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-rw-r--r--Documentation/vm/hugetlbpage.txt11
-rw-r--r--README23
-rw-r--r--arch/i386/kernel/apm.c2
-rw-r--r--arch/i386/kernel/cpuid.c2
-rw-r--r--arch/i386/kernel/kprobes.c18
-rw-r--r--arch/i386/kernel/msr.c2
-rw-r--r--arch/i386/mach-voyager/voyager_cat.c1
-rw-r--r--arch/ia64/kernel/kprobes.c10
-rw-r--r--arch/m32r/kernel/entry.S55
-rw-r--r--arch/m32r/kernel/process.c4
-rw-r--r--arch/m32r/kernel/signal.c4
-rw-r--r--arch/powerpc/kernel/kprobes.c14
-rw-r--r--arch/sparc64/kernel/kprobes.c12
-rw-r--r--arch/um/drivers/cow_user.c2
-rw-r--r--arch/um/include/longjmp.h4
-rw-r--r--arch/um/include/sysdep-i386/kernel-offsets.h2
-rw-r--r--arch/um/include/sysdep-x86_64/kernel-offsets.h2
-rw-r--r--arch/um/os-Linux/mem.c118
-rw-r--r--arch/um/os-Linux/process.c8
-rw-r--r--arch/um/os-Linux/skas/process.c36
-rw-r--r--arch/um/os-Linux/start_up.c24
-rw-r--r--arch/um/os-Linux/trap.c4
-rw-r--r--arch/um/os-Linux/uaccess.c4
-rw-r--r--arch/um/os-Linux/util.c2
-rw-r--r--arch/um/sys-i386/signal.c6
-rw-r--r--arch/um/sys-i386/stub_segv.c4
-rw-r--r--arch/um/sys-x86_64/stub_segv.c10
-rw-r--r--arch/x86_64/kernel/kprobes.c10
-rw-r--r--drivers/char/ipmi/ipmi_bt_sm.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c4
-rw-r--r--drivers/char/tty_io.c8
-rw-r--r--drivers/i2c/chips/m41t00.c8
-rw-r--r--drivers/ide/pci/alim15x3.c2
-rw-r--r--drivers/ide/pci/atiixp.c1
-rw-r--r--drivers/ide/pci/pdc202xx_old.c2
-rw-r--r--drivers/ide/setup-pci.c13
-rw-r--r--drivers/parport/parport_pc.c20
-rw-r--r--drivers/pnp/manager.c4
-rw-r--r--drivers/serial/m32r_sio.c1
-rw-r--r--drivers/video/aty/radeon_base.c2
-rw-r--r--drivers/video/fbmem.c14
-rw-r--r--drivers/video/savage/savagefb_driver.c8
-rw-r--r--fs/Kconfig6
-rw-r--r--fs/exec.c2
-rw-r--r--fs/locks.c9
-rw-r--r--fs/proc/base.c21
-rw-r--r--include/asm-i386/atomic.h5
-rw-r--r--include/asm-m32r/assembler.h5
-rw-r--r--include/asm-m32r/mappi3/mappi3_pld.h22
-rw-r--r--include/asm-m32r/ptrace.h25
-rw-r--r--include/asm-m32r/semaphore.h64
-rw-r--r--include/asm-m32r/sigcontext.h2
-rw-r--r--include/asm-m32r/system.h67
-rw-r--r--include/asm-x86_64/percpu.h2
-rw-r--r--include/linux/ide.h1
-rw-r--r--include/linux/pci_ids.h4
-rw-r--r--include/linux/sched.h3
-rw-r--r--kernel/exit.c2
-rw-r--r--kernel/fork.c2
-rw-r--r--kernel/power/snapshot.c9
-rw-r--r--lib/Kconfig.debug2
-rw-r--r--mm/oom_kill.c71
-rw-r--r--mm/page_alloc.c10
-rw-r--r--mm/slob.c10
-rw-r--r--scripts/kconfig/conf.c3
-rw-r--r--security/selinux/ss/mls.c2
-rw-r--r--usr/gen_init_cpio.c4
67 files changed, 459 insertions, 377 deletions
diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt
index 2803f63c1a27..687104bfd09a 100644
--- a/Documentation/vm/hugetlbpage.txt
+++ b/Documentation/vm/hugetlbpage.txt
@@ -32,7 +32,16 @@ The output of "cat /proc/meminfo" will have lines like:
32..... 32.....
33HugePages_Total: xxx 33HugePages_Total: xxx
34HugePages_Free: yyy 34HugePages_Free: yyy
35Hugepagesize: zzz KB 35HugePages_Rsvd: www
36Hugepagesize: zzz kB
37
38where:
39HugePages_Total is the size of the pool of hugepages.
40HugePages_Free is the number of hugepages in the pool that are not yet
41allocated.
42HugePages_Rsvd is short for "reserved," and is the number of hugepages
43for which a commitment to allocate from the pool has been made, but no
44allocation has yet been made. It's vaguely analogous to overcommit.
36 45
37/proc/filesystems should also show a filesystem of type "hugetlbfs" configured 46/proc/filesystems should also show a filesystem of type "hugetlbfs" configured
38in the kernel. 47in the kernel.
diff --git a/README b/README
index 05e055530bbb..3e264723b863 100644
--- a/README
+++ b/README
@@ -165,10 +165,31 @@ CONFIGURING the kernel:
165 "make xconfig" X windows (Qt) based configuration tool. 165 "make xconfig" X windows (Qt) based configuration tool.
166 "make gconfig" X windows (Gtk) based configuration tool. 166 "make gconfig" X windows (Gtk) based configuration tool.
167 "make oldconfig" Default all questions based on the contents of 167 "make oldconfig" Default all questions based on the contents of
168 your existing ./.config file. 168 your existing ./.config file and asking about
169 new config symbols.
169 "make silentoldconfig" 170 "make silentoldconfig"
170 Like above, but avoids cluttering the screen 171 Like above, but avoids cluttering the screen
171 with questions already answered. 172 with questions already answered.
173 "make defconfig" Create a ./.config file by using the default
174 symbol values from arch/$ARCH/defconfig.
175 "make allyesconfig"
176 Create a ./.config file by setting symbol
177 values to 'y' as much as possible.
178 "make allmodconfig"
179 Create a ./.config file by setting symbol
180 values to 'm' as much as possible.
181 "make allnoconfig" Create a ./.config file by setting symbol
182 values to 'n' as much as possible.
183 "make randconfig" Create a ./.config file by setting symbol
184 values to random values.
185
186 The allyesconfig/allmodconfig/allnoconfig/randconfig variants can
187 also use the environment variable KCONFIG_ALLCONFIG to specify a
188 filename that contains config options that the user requires to be
189 set to a specific value. If KCONFIG_ALLCONFIG=filename is not used,
190 "make *config" checks for a file named "all{yes/mod/no/random}.config"
191 for symbol values that are to be forced. If this file is not found,
192 it checks for a file named "all.config" to contain forced values.
172 193
173 NOTES on "make config": 194 NOTES on "make config":
174 - having unnecessary drivers will make the kernel bigger, and can 195 - having unnecessary drivers will make the kernel bigger, and can
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index da30a374dd4e..df0e1745f189 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -1079,7 +1079,7 @@ static int apm_console_blank(int blank)
1079 break; 1079 break;
1080 } 1080 }
1081 1081
1082 if (error == APM_NOT_ENGAGED && state != APM_STATE_READY) { 1082 if (error == APM_NOT_ENGAGED) {
1083 static int tried; 1083 static int tried;
1084 int eng_error; 1084 int eng_error;
1085 if (tried++ == 0) { 1085 if (tried++ == 0) {
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index 006141d1c12a..1d9a4abcdfc7 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -168,7 +168,7 @@ static int cpuid_class_device_create(int i)
168 return err; 168 return err;
169} 169}
170 170
171static int __devinit cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) 171static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
172{ 172{
173 unsigned int cpu = (unsigned long)hcpu; 173 unsigned int cpu = (unsigned long)hcpu;
174 174
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index f19768789e8a..043f5292e70a 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -43,7 +43,7 @@ DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
43DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); 43DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
44 44
45/* insert a jmp code */ 45/* insert a jmp code */
46static inline void set_jmp_op(void *from, void *to) 46static __always_inline void set_jmp_op(void *from, void *to)
47{ 47{
48 struct __arch_jmp_op { 48 struct __arch_jmp_op {
49 char op; 49 char op;
@@ -57,7 +57,7 @@ static inline void set_jmp_op(void *from, void *to)
57/* 57/*
58 * returns non-zero if opcodes can be boosted. 58 * returns non-zero if opcodes can be boosted.
59 */ 59 */
60static inline int can_boost(kprobe_opcode_t opcode) 60static __always_inline int can_boost(kprobe_opcode_t opcode)
61{ 61{
62 switch (opcode & 0xf0 ) { 62 switch (opcode & 0xf0 ) {
63 case 0x70: 63 case 0x70:
@@ -88,7 +88,7 @@ static inline int can_boost(kprobe_opcode_t opcode)
88/* 88/*
89 * returns non-zero if opcode modifies the interrupt flag. 89 * returns non-zero if opcode modifies the interrupt flag.
90 */ 90 */
91static inline int is_IF_modifier(kprobe_opcode_t opcode) 91static int __kprobes is_IF_modifier(kprobe_opcode_t opcode)
92{ 92{
93 switch (opcode) { 93 switch (opcode) {
94 case 0xfa: /* cli */ 94 case 0xfa: /* cli */
@@ -138,7 +138,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
138 mutex_unlock(&kprobe_mutex); 138 mutex_unlock(&kprobe_mutex);
139} 139}
140 140
141static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) 141static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
142{ 142{
143 kcb->prev_kprobe.kp = kprobe_running(); 143 kcb->prev_kprobe.kp = kprobe_running();
144 kcb->prev_kprobe.status = kcb->kprobe_status; 144 kcb->prev_kprobe.status = kcb->kprobe_status;
@@ -146,7 +146,7 @@ static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
146 kcb->prev_kprobe.saved_eflags = kcb->kprobe_saved_eflags; 146 kcb->prev_kprobe.saved_eflags = kcb->kprobe_saved_eflags;
147} 147}
148 148
149static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) 149static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
150{ 150{
151 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; 151 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
152 kcb->kprobe_status = kcb->prev_kprobe.status; 152 kcb->kprobe_status = kcb->prev_kprobe.status;
@@ -154,7 +154,7 @@ static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
154 kcb->kprobe_saved_eflags = kcb->prev_kprobe.saved_eflags; 154 kcb->kprobe_saved_eflags = kcb->prev_kprobe.saved_eflags;
155} 155}
156 156
157static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, 157static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
158 struct kprobe_ctlblk *kcb) 158 struct kprobe_ctlblk *kcb)
159{ 159{
160 __get_cpu_var(current_kprobe) = p; 160 __get_cpu_var(current_kprobe) = p;
@@ -164,7 +164,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
164 kcb->kprobe_saved_eflags &= ~IF_MASK; 164 kcb->kprobe_saved_eflags &= ~IF_MASK;
165} 165}
166 166
167static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) 167static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
168{ 168{
169 regs->eflags |= TF_MASK; 169 regs->eflags |= TF_MASK;
170 regs->eflags &= ~IF_MASK; 170 regs->eflags &= ~IF_MASK;
@@ -507,7 +507,7 @@ no_change:
507 * Interrupts are disabled on entry as trap1 is an interrupt gate and they 507 * Interrupts are disabled on entry as trap1 is an interrupt gate and they
508 * remain disabled thoroughout this function. 508 * remain disabled thoroughout this function.
509 */ 509 */
510static inline int post_kprobe_handler(struct pt_regs *regs) 510static int __kprobes post_kprobe_handler(struct pt_regs *regs)
511{ 511{
512 struct kprobe *cur = kprobe_running(); 512 struct kprobe *cur = kprobe_running();
513 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); 513 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -543,7 +543,7 @@ out:
543 return 1; 543 return 1;
544} 544}
545 545
546static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) 546static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
547{ 547{
548 struct kprobe *cur = kprobe_running(); 548 struct kprobe *cur = kprobe_running();
549 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); 549 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index 1d0a55e68760..7a328230e540 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -251,7 +251,7 @@ static int msr_class_device_create(int i)
251 return err; 251 return err;
252} 252}
253 253
254static int __devinit msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) 254static int msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
255{ 255{
256 unsigned int cpu = (unsigned long)hcpu; 256 unsigned int cpu = (unsigned long)hcpu;
257 257
diff --git a/arch/i386/mach-voyager/voyager_cat.c b/arch/i386/mach-voyager/voyager_cat.c
index 3039539de51e..10d21df14531 100644
--- a/arch/i386/mach-voyager/voyager_cat.c
+++ b/arch/i386/mach-voyager/voyager_cat.c
@@ -120,7 +120,6 @@ static struct resource qic_res = {
120 * It writes num_bits of the data buffer in msg starting at start_bit. 120 * It writes num_bits of the data buffer in msg starting at start_bit.
121 * Note: This function assumes that any unused bit in the data stream 121 * Note: This function assumes that any unused bit in the data stream
122 * is set to zero so that the ors will work correctly */ 122 * is set to zero so that the ors will work correctly */
123#define BITS_PER_BYTE 8
124static void 123static void
125cat_pack(__u8 *msg, const __u16 start_bit, __u8 *data, const __u16 num_bits) 124cat_pack(__u8 *msg, const __u16 start_bit, __u8 *data, const __u16 num_bits)
126{ 125{
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 789881ca83d4..f9039f88d01d 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -251,7 +251,7 @@ static void __kprobes prepare_break_inst(uint template, uint slot,
251 update_kprobe_inst_flag(template, slot, major_opcode, kprobe_inst, p); 251 update_kprobe_inst_flag(template, slot, major_opcode, kprobe_inst, p);
252} 252}
253 253
254static inline void get_kprobe_inst(bundle_t *bundle, uint slot, 254static void __kprobes get_kprobe_inst(bundle_t *bundle, uint slot,
255 unsigned long *kprobe_inst, uint *major_opcode) 255 unsigned long *kprobe_inst, uint *major_opcode)
256{ 256{
257 unsigned long kprobe_inst_p0, kprobe_inst_p1; 257 unsigned long kprobe_inst_p0, kprobe_inst_p1;
@@ -278,7 +278,7 @@ static inline void get_kprobe_inst(bundle_t *bundle, uint slot,
278} 278}
279 279
280/* Returns non-zero if the addr is in the Interrupt Vector Table */ 280/* Returns non-zero if the addr is in the Interrupt Vector Table */
281static inline int in_ivt_functions(unsigned long addr) 281static int __kprobes in_ivt_functions(unsigned long addr)
282{ 282{
283 return (addr >= (unsigned long)__start_ivt_text 283 return (addr >= (unsigned long)__start_ivt_text
284 && addr < (unsigned long)__end_ivt_text); 284 && addr < (unsigned long)__end_ivt_text);
@@ -308,19 +308,19 @@ static int __kprobes valid_kprobe_addr(int template, int slot,
308 return 0; 308 return 0;
309} 309}
310 310
311static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) 311static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
312{ 312{
313 kcb->prev_kprobe.kp = kprobe_running(); 313 kcb->prev_kprobe.kp = kprobe_running();
314 kcb->prev_kprobe.status = kcb->kprobe_status; 314 kcb->prev_kprobe.status = kcb->kprobe_status;
315} 315}
316 316
317static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) 317static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
318{ 318{
319 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; 319 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
320 kcb->kprobe_status = kcb->prev_kprobe.status; 320 kcb->kprobe_status = kcb->prev_kprobe.status;
321} 321}
322 322
323static inline void set_current_kprobe(struct kprobe *p, 323static void __kprobes set_current_kprobe(struct kprobe *p,
324 struct kprobe_ctlblk *kcb) 324 struct kprobe_ctlblk *kcb)
325{ 325{
326 __get_cpu_var(current_kprobe) = p; 326 __get_cpu_var(current_kprobe) = p;
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
index 3871b65f0c82..920bb742b7a2 100644
--- a/arch/m32r/kernel/entry.S
+++ b/arch/m32r/kernel/entry.S
@@ -20,7 +20,7 @@
20 * Stack layout in 'ret_from_system_call': 20 * Stack layout in 'ret_from_system_call':
21 * ptrace needs to have all regs on the stack. 21 * ptrace needs to have all regs on the stack.
22 * if the order here is changed, it needs to be 22 * if the order here is changed, it needs to be
23 * updated in fork.c:copy_process, signal.c:do_signal, 23 * updated in fork.c:copy_thread, signal.c:do_signal,
24 * ptrace.c and ptrace.h 24 * ptrace.c and ptrace.h
25 * 25 *
26 * M32Rx/M32R2 M32R 26 * M32Rx/M32R2 M32R
@@ -41,18 +41,17 @@
41 * @(0x38,sp) - syscall_nr ditto 41 * @(0x38,sp) - syscall_nr ditto
42 * @(0x3c,sp) - acc0h @(0x3c,sp) - acch 42 * @(0x3c,sp) - acc0h @(0x3c,sp) - acch
43 * @(0x40,sp) - acc0l @(0x40,sp) - accl 43 * @(0x40,sp) - acc0l @(0x40,sp) - accl
44 * @(0x44,sp) - acc1h @(0x44,sp) - psw 44 * @(0x44,sp) - acc1h @(0x44,sp) - dummy_acc1h
45 * @(0x48,sp) - acc1l @(0x48,sp) - bpc 45 * @(0x48,sp) - acc1l @(0x48,sp) - dummy_acc1l
46 * @(0x4c,sp) - psw @(0x4c,sp) - bbpsw 46 * @(0x4c,sp) - psw ditto
47 * @(0x50,sp) - bpc @(0x50,sp) - bbpc 47 * @(0x50,sp) - bpc ditto
48 * @(0x54,sp) - bbpsw @(0x54,sp) - spu (cr3) 48 * @(0x54,sp) - bbpsw ditto
49 * @(0x58,sp) - bbpc @(0x58,sp) - fp (r13) 49 * @(0x58,sp) - bbpc ditto
50 * @(0x5c,sp) - spu (cr3) @(0x5c,sp) - lr (r14) 50 * @(0x5c,sp) - spu (cr3) ditto
51 * @(0x60,sp) - fp (r13) @(0x60,sp) - spi (cr12) 51 * @(0x60,sp) - fp (r13) ditto
52 * @(0x64,sp) - lr (r14) @(0x64,sp) - orig_r0 52 * @(0x64,sp) - lr (r14) ditto
53 * @(0x68,sp) - spi (cr2) 53 * @(0x68,sp) - spi (cr2) ditto
54 * @(0x6c,sp) - orig_r0 54 * @(0x6c,sp) - orig_r0 ditto
55 *
56 */ 55 */
57 56
58#include <linux/config.h> 57#include <linux/config.h>
@@ -102,6 +101,12 @@
102#define ACC0L(reg) @(0x40,reg) 101#define ACC0L(reg) @(0x40,reg)
103#define ACC1H(reg) @(0x44,reg) 102#define ACC1H(reg) @(0x44,reg)
104#define ACC1L(reg) @(0x48,reg) 103#define ACC1L(reg) @(0x48,reg)
104#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
105#define ACCH(reg) @(0x3C,reg)
106#define ACCL(reg) @(0x40,reg)
107#else
108#error unknown isa configuration
109#endif
105#define PSW(reg) @(0x4C,reg) 110#define PSW(reg) @(0x4C,reg)
106#define BPC(reg) @(0x50,reg) 111#define BPC(reg) @(0x50,reg)
107#define BBPSW(reg) @(0x54,reg) 112#define BBPSW(reg) @(0x54,reg)
@@ -111,21 +116,6 @@
111#define LR(reg) @(0x64,reg) 116#define LR(reg) @(0x64,reg)
112#define SP(reg) @(0x68,reg) 117#define SP(reg) @(0x68,reg)
113#define ORIG_R0(reg) @(0x6C,reg) 118#define ORIG_R0(reg) @(0x6C,reg)
114#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
115#define ACCH(reg) @(0x3C,reg)
116#define ACCL(reg) @(0x40,reg)
117#define PSW(reg) @(0x44,reg)
118#define BPC(reg) @(0x48,reg)
119#define BBPSW(reg) @(0x4C,reg)
120#define BBPC(reg) @(0x50,reg)
121#define SPU(reg) @(0x54,reg)
122#define FP(reg) @(0x58,reg) /* FP = R13 */
123#define LR(reg) @(0x5C,reg)
124#define SP(reg) @(0x60,reg)
125#define ORIG_R0(reg) @(0x64,reg)
126#else
127#error unknown isa configuration
128#endif
129 119
130CF_MASK = 0x00000001 120CF_MASK = 0x00000001
131TF_MASK = 0x00000100 121TF_MASK = 0x00000100
@@ -142,7 +132,7 @@ VM_MASK = 0x00020000
142#endif 132#endif
143 133
144ENTRY(ret_from_fork) 134ENTRY(ret_from_fork)
145 ld r0, @sp+ 135 pop r0
146 bl schedule_tail 136 bl schedule_tail
147 GET_THREAD_INFO(r8) 137 GET_THREAD_INFO(r8)
148 bra syscall_exit 138 bra syscall_exit
@@ -231,7 +221,7 @@ restore_all:
231 RESTORE_ALL 221 RESTORE_ALL
232 222
233 # perform work that needs to be done immediately before resumption 223 # perform work that needs to be done immediately before resumption
234 # r9 : frags 224 # r9 : flags
235 ALIGN 225 ALIGN
236work_pending: 226work_pending:
237 and3 r4, r9, #_TIF_NEED_RESCHED 227 and3 r4, r9, #_TIF_NEED_RESCHED
@@ -320,7 +310,7 @@ ENTRY(ei_handler)
320; GET_ICU_STATUS; 310; GET_ICU_STATUS;
321 seth r0, #shigh(M32R_ICU_ISTS_ADDR) 311 seth r0, #shigh(M32R_ICU_ISTS_ADDR)
322 ld r0, @(low(M32R_ICU_ISTS_ADDR),r0) 312 ld r0, @(low(M32R_ICU_ISTS_ADDR),r0)
323 st r0, @-sp 313 push r0
324#if defined(CONFIG_SMP) 314#if defined(CONFIG_SMP)
325 /* 315 /*
326 * If IRQ == 0 --> Nothing to do, Not write IMASK 316 * If IRQ == 0 --> Nothing to do, Not write IMASK
@@ -557,7 +547,7 @@ check_end:
557#endif /* CONFIG_PLAT_M32104UT */ 547#endif /* CONFIG_PLAT_M32104UT */
558 bl do_IRQ 548 bl do_IRQ
559#endif /* CONFIG_SMP */ 549#endif /* CONFIG_SMP */
560 ld r14, @sp+ 550 pop r14
561 seth r0, #shigh(M32R_ICU_IMASK_ADDR) 551 seth r0, #shigh(M32R_ICU_IMASK_ADDR)
562 st r14, @(low(M32R_ICU_IMASK_ADDR),r0) 552 st r14, @(low(M32R_ICU_IMASK_ADDR),r0)
563#else 553#else
@@ -1015,4 +1005,3 @@ ENTRY(sys_call_table)
1015 .long sys_waitid 1005 .long sys_waitid
1016 1006
1017syscall_table_size=(.-sys_call_table) 1007syscall_table_size=(.-sys_call_table)
1018
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 5dfc7ea45cf7..065f5e719058 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -116,6 +116,10 @@ void cpu_idle (void)
116 116
117void machine_restart(char *__unused) 117void machine_restart(char *__unused)
118{ 118{
119#if defined(CONFIG_PLAT_MAPPI3)
120 outw(1, (unsigned long)PLD_REBOOT);
121#endif
122
119 printk("Please push reset button!\n"); 123 printk("Please push reset button!\n");
120 while (1) 124 while (1)
121 cpu_relax(); 125 cpu_relax();
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index cb33097fefc4..6498ee70bb73 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -118,6 +118,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
118#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) 118#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
119 COPY(acch); 119 COPY(acch);
120 COPY(accl); 120 COPY(accl);
121 COPY(dummy_acc1h);
122 COPY(dummy_acc1l);
121#else 123#else
122#error unknown isa configuration 124#error unknown isa configuration
123#endif 125#endif
@@ -203,6 +205,8 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
203#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) 205#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
204 COPY(acch); 206 COPY(acch);
205 COPY(accl); 207 COPY(accl);
208 COPY(dummy_acc1h);
209 COPY(dummy_acc1l);
206#else 210#else
207#error unknown isa configuration 211#error unknown isa configuration
208#endif 212#endif
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index ad7a90212204..856ef1a832b9 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -88,7 +88,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
88 mutex_unlock(&kprobe_mutex); 88 mutex_unlock(&kprobe_mutex);
89} 89}
90 90
91static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) 91static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
92{ 92{
93 kprobe_opcode_t insn = *p->ainsn.insn; 93 kprobe_opcode_t insn = *p->ainsn.insn;
94 94
@@ -101,21 +101,21 @@ static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
101 regs->nip = (unsigned long)p->ainsn.insn; 101 regs->nip = (unsigned long)p->ainsn.insn;
102} 102}
103 103
104static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) 104static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
105{ 105{
106 kcb->prev_kprobe.kp = kprobe_running(); 106 kcb->prev_kprobe.kp = kprobe_running();
107 kcb->prev_kprobe.status = kcb->kprobe_status; 107 kcb->prev_kprobe.status = kcb->kprobe_status;
108 kcb->prev_kprobe.saved_msr = kcb->kprobe_saved_msr; 108 kcb->prev_kprobe.saved_msr = kcb->kprobe_saved_msr;
109} 109}
110 110
111static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) 111static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
112{ 112{
113 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; 113 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
114 kcb->kprobe_status = kcb->prev_kprobe.status; 114 kcb->kprobe_status = kcb->prev_kprobe.status;
115 kcb->kprobe_saved_msr = kcb->prev_kprobe.saved_msr; 115 kcb->kprobe_saved_msr = kcb->prev_kprobe.saved_msr;
116} 116}
117 117
118static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, 118static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
119 struct kprobe_ctlblk *kcb) 119 struct kprobe_ctlblk *kcb)
120{ 120{
121 __get_cpu_var(current_kprobe) = p; 121 __get_cpu_var(current_kprobe) = p;
@@ -141,7 +141,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe *rp,
141 } 141 }
142} 142}
143 143
144static inline int kprobe_handler(struct pt_regs *regs) 144static int __kprobes kprobe_handler(struct pt_regs *regs)
145{ 145{
146 struct kprobe *p; 146 struct kprobe *p;
147 int ret = 0; 147 int ret = 0;
@@ -334,7 +334,7 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
334 regs->nip = (unsigned long)p->addr + 4; 334 regs->nip = (unsigned long)p->addr + 4;
335} 335}
336 336
337static inline int post_kprobe_handler(struct pt_regs *regs) 337static int __kprobes post_kprobe_handler(struct pt_regs *regs)
338{ 338{
339 struct kprobe *cur = kprobe_running(); 339 struct kprobe *cur = kprobe_running();
340 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); 340 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -370,7 +370,7 @@ out:
370 return 1; 370 return 1;
371} 371}
372 372
373static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) 373static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
374{ 374{
375 struct kprobe *cur = kprobe_running(); 375 struct kprobe *cur = kprobe_running();
376 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); 376 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c
index ffc7309e9f22..2e1c824c1cc9 100644
--- a/arch/sparc64/kernel/kprobes.c
+++ b/arch/sparc64/kernel/kprobes.c
@@ -63,7 +63,7 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
63 flushi(p->addr); 63 flushi(p->addr);
64} 64}
65 65
66static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) 66static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
67{ 67{
68 kcb->prev_kprobe.kp = kprobe_running(); 68 kcb->prev_kprobe.kp = kprobe_running();
69 kcb->prev_kprobe.status = kcb->kprobe_status; 69 kcb->prev_kprobe.status = kcb->kprobe_status;
@@ -71,7 +71,7 @@ static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
71 kcb->prev_kprobe.orig_tstate_pil = kcb->kprobe_orig_tstate_pil; 71 kcb->prev_kprobe.orig_tstate_pil = kcb->kprobe_orig_tstate_pil;
72} 72}
73 73
74static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) 74static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
75{ 75{
76 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; 76 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
77 kcb->kprobe_status = kcb->prev_kprobe.status; 77 kcb->kprobe_status = kcb->prev_kprobe.status;
@@ -79,7 +79,7 @@ static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
79 kcb->kprobe_orig_tstate_pil = kcb->prev_kprobe.orig_tstate_pil; 79 kcb->kprobe_orig_tstate_pil = kcb->prev_kprobe.orig_tstate_pil;
80} 80}
81 81
82static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, 82static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
83 struct kprobe_ctlblk *kcb) 83 struct kprobe_ctlblk *kcb)
84{ 84{
85 __get_cpu_var(current_kprobe) = p; 85 __get_cpu_var(current_kprobe) = p;
@@ -87,7 +87,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
87 kcb->kprobe_orig_tstate_pil = (regs->tstate & TSTATE_PIL); 87 kcb->kprobe_orig_tstate_pil = (regs->tstate & TSTATE_PIL);
88} 88}
89 89
90static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs, 90static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs,
91 struct kprobe_ctlblk *kcb) 91 struct kprobe_ctlblk *kcb)
92{ 92{
93 regs->tstate |= TSTATE_PIL; 93 regs->tstate |= TSTATE_PIL;
@@ -273,7 +273,7 @@ static void __kprobes resume_execution(struct kprobe *p,
273 kcb->kprobe_orig_tstate_pil); 273 kcb->kprobe_orig_tstate_pil);
274} 274}
275 275
276static inline int post_kprobe_handler(struct pt_regs *regs) 276static int __kprobes post_kprobe_handler(struct pt_regs *regs)
277{ 277{
278 struct kprobe *cur = kprobe_running(); 278 struct kprobe *cur = kprobe_running();
279 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); 279 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -300,7 +300,7 @@ out:
300 return 1; 300 return 1;
301} 301}
302 302
303static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) 303static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
304{ 304{
305 struct kprobe *cur = kprobe_running(); 305 struct kprobe *cur = kprobe_running();
306 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); 306 struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 0ec4052db9c5..6ab852bfcd3a 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -100,7 +100,7 @@ struct cow_header_v3_broken {
100 __u32 alignment; 100 __u32 alignment;
101 __u32 cow_format; 101 __u32 cow_format;
102 char backing_file[PATH_LEN_V3]; 102 char backing_file[PATH_LEN_V3];
103}; 103} __attribute__((packed));
104 104
105/* COW format definitions - for now, we have only the usual COW bitmap */ 105/* COW format definitions - for now, we have only the usual COW bitmap */
106#define COW_BITMAP 0 106#define COW_BITMAP 0
diff --git a/arch/um/include/longjmp.h b/arch/um/include/longjmp.h
index 018b3819ab0b..8e7053013f7b 100644
--- a/arch/um/include/longjmp.h
+++ b/arch/um/include/longjmp.h
@@ -4,11 +4,11 @@
4#include <setjmp.h> 4#include <setjmp.h>
5#include "os.h" 5#include "os.h"
6 6
7#define UML_SIGLONGJMP(buf, val) do { \ 7#define UML_LONGJMP(buf, val) do { \
8 longjmp(*buf, val); \ 8 longjmp(*buf, val); \
9} while(0) 9} while(0)
10 10
11#define UML_SIGSETJMP(buf, enable) ({ \ 11#define UML_SETJMP(buf, enable) ({ \
12 int n; \ 12 int n; \
13 enable = get_signals(); \ 13 enable = get_signals(); \
14 n = setjmp(*buf); \ 14 n = setjmp(*buf); \
diff --git a/arch/um/include/sysdep-i386/kernel-offsets.h b/arch/um/include/sysdep-i386/kernel-offsets.h
index 82f96c574144..2c13de321f2f 100644
--- a/arch/um/include/sysdep-i386/kernel-offsets.h
+++ b/arch/um/include/sysdep-i386/kernel-offsets.h
@@ -1,6 +1,7 @@
1#include <linux/stddef.h> 1#include <linux/stddef.h>
2#include <linux/sched.h> 2#include <linux/sched.h>
3#include <linux/elf.h> 3#include <linux/elf.h>
4#include <asm/mman.h>
4 5
5#define DEFINE(sym, val) \ 6#define DEFINE(sym, val) \
6 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 7 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -16,6 +17,7 @@
16void foo(void) 17void foo(void)
17{ 18{
18 OFFSET(HOST_TASK_DEBUGREGS, task_struct, thread.arch.debugregs); 19 OFFSET(HOST_TASK_DEBUGREGS, task_struct, thread.arch.debugregs);
20 DEFINE(KERNEL_MADV_REMOVE, MADV_REMOVE);
19#ifdef CONFIG_MODE_TT 21#ifdef CONFIG_MODE_TT
20 OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); 22 OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
21#endif 23#endif
diff --git a/arch/um/include/sysdep-x86_64/kernel-offsets.h b/arch/um/include/sysdep-x86_64/kernel-offsets.h
index 5ce93abd0b54..939cc475757a 100644
--- a/arch/um/include/sysdep-x86_64/kernel-offsets.h
+++ b/arch/um/include/sysdep-x86_64/kernel-offsets.h
@@ -4,6 +4,7 @@
4#include <linux/time.h> 4#include <linux/time.h>
5#include <linux/elf.h> 5#include <linux/elf.h>
6#include <asm/page.h> 6#include <asm/page.h>
7#include <asm/mman.h>
7 8
8#define DEFINE(sym, val) \ 9#define DEFINE(sym, val) \
9 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 10 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -18,6 +19,7 @@
18 19
19void foo(void) 20void foo(void)
20{ 21{
22 DEFINE(KERNEL_MADV_REMOVE, MADV_REMOVE);
21#ifdef CONFIG_MODE_TT 23#ifdef CONFIG_MODE_TT
22 OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); 24 OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
23#endif 25#endif
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 71bb90a7606d..c6432e729241 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -8,6 +8,7 @@
8#include <fcntl.h> 8#include <fcntl.h>
9#include <sys/types.h> 9#include <sys/types.h>
10#include <sys/mman.h> 10#include <sys/mman.h>
11#include <sys/statfs.h>
11#include "kern_util.h" 12#include "kern_util.h"
12#include "user.h" 13#include "user.h"
13#include "user_util.h" 14#include "user_util.h"
@@ -19,6 +20,7 @@
19 20
20#include <sys/param.h> 21#include <sys/param.h>
21 22
23static char *default_tmpdir = "/tmp";
22static char *tempdir = NULL; 24static char *tempdir = NULL;
23 25
24static void __init find_tempdir(void) 26static void __init find_tempdir(void)
@@ -34,7 +36,7 @@ static void __init find_tempdir(void)
34 break; 36 break;
35 } 37 }
36 if((dir == NULL) || (*dir == '\0')) 38 if((dir == NULL) || (*dir == '\0'))
37 dir = "/tmp"; 39 dir = default_tmpdir;
38 40
39 tempdir = malloc(strlen(dir) + 2); 41 tempdir = malloc(strlen(dir) + 2);
40 if(tempdir == NULL){ 42 if(tempdir == NULL){
@@ -46,6 +48,96 @@ static void __init find_tempdir(void)
46 strcat(tempdir, "/"); 48 strcat(tempdir, "/");
47} 49}
48 50
51/* This will return 1, with the first character in buf being the
52 * character following the next instance of c in the file. This will
53 * read the file as needed. If there's an error, -errno is returned;
54 * if the end of the file is reached, 0 is returned.
55 */
56static int next(int fd, char *buf, int size, char c)
57{
58 int n;
59 char *ptr;
60
61 while((ptr = strchr(buf, c)) == NULL){
62 n = read(fd, buf, size - 1);
63 if(n == 0)
64 return 0;
65 else if(n < 0)
66 return -errno;
67
68 buf[n] = '\0';
69 }
70
71 ptr++;
72 memmove(buf, ptr, strlen(ptr) + 1);
73 return 1;
74}
75
76static int checked_tmpdir = 0;
77
78/* Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner
79 * way to do this than to parse /proc/mounts. statfs will return the
80 * same filesystem magic number and fs id for both /dev and /dev/shm
81 * when they are both tmpfs, so you can't tell if they are different
82 * filesystems. Also, there seems to be no other way of finding the
83 * mount point of a filesystem from within it.
84 *
85 * If a /dev/shm tmpfs entry is found, then we switch to using it.
86 * Otherwise, we stay with the default /tmp.
87 */
88static void which_tmpdir(void)
89{
90 int fd, found;
91 char buf[128] = { '\0' };
92
93 if(checked_tmpdir)
94 return;
95
96 checked_tmpdir = 1;
97
98 printf("Checking for tmpfs mount on /dev/shm...");
99
100 fd = open("/proc/mounts", O_RDONLY);
101 if(fd < 0){
102 printf("failed to open /proc/mounts, errno = %d\n", errno);
103 return;
104 }
105
106 while(1){
107 found = next(fd, buf, sizeof(buf) / sizeof(buf[0]), ' ');
108 if(found != 1)
109 break;
110
111 if(!strncmp(buf, "/dev/shm", strlen("/dev/shm")))
112 goto found;
113
114 found = next(fd, buf, sizeof(buf) / sizeof(buf[0]), '\n');
115 if(found != 1)
116 break;
117 }
118
119err:
120 if(found == 0)
121 printf("nothing mounted on /dev/shm\n");
122 else if(found < 0)
123 printf("read returned errno %d\n", -found);
124
125 return;
126
127found:
128 found = next(fd, buf, sizeof(buf) / sizeof(buf[0]), ' ');
129 if(found != 1)
130 goto err;
131
132 if(strncmp(buf, "tmpfs", strlen("tmpfs"))){
133 printf("not tmpfs\n");
134 return;
135 }
136
137 printf("OK\n");
138 default_tmpdir = "/dev/shm";
139}
140
49/* 141/*
50 * This proc still used in tt-mode 142 * This proc still used in tt-mode
51 * (file: kernel/tt/ptproxy/proxy.c, proc: start_debugger). 143 * (file: kernel/tt/ptproxy/proxy.c, proc: start_debugger).
@@ -56,6 +148,7 @@ int make_tempfile(const char *template, char **out_tempname, int do_unlink)
56 char *tempname; 148 char *tempname;
57 int fd; 149 int fd;
58 150
151 which_tmpdir();
59 tempname = malloc(MAXPATHLEN); 152 tempname = malloc(MAXPATHLEN);
60 153
61 find_tempdir(); 154 find_tempdir();
@@ -137,3 +230,26 @@ int create_mem_file(unsigned long long len)
137 } 230 }
138 return(fd); 231 return(fd);
139} 232}
233
234
235void check_tmpexec(void)
236{
237 void *addr;
238 int err, fd = create_tmp_file(UM_KERN_PAGE_SIZE);
239
240 addr = mmap(NULL, UM_KERN_PAGE_SIZE,
241 PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
242 printf("Checking PROT_EXEC mmap in %s...",tempdir);
243 fflush(stdout);
244 if(addr == MAP_FAILED){
245 err = errno;
246 perror("failed");
247 if(err == EPERM)
248 printf("%s must be not mounted noexec\n",tempdir);
249 exit(1);
250 }
251 printf("OK\n");
252 munmap(addr, UM_KERN_PAGE_SIZE);
253
254 close(fd);
255}
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index 8176b0b52047..3505f44f8a25 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -190,7 +190,7 @@ int os_unmap_memory(void *addr, int len)
190} 190}
191 191
192#ifndef MADV_REMOVE 192#ifndef MADV_REMOVE
193#define MADV_REMOVE 0x5 /* remove these pages & resources */ 193#define MADV_REMOVE KERNEL_MADV_REMOVE
194#endif 194#endif
195 195
196int os_drop_memory(void *addr, int length) 196int os_drop_memory(void *addr, int length)
@@ -216,7 +216,7 @@ int can_drop_memory(void)
216 } 216 }
217 217
218 addr = mmap64(NULL, UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE, 218 addr = mmap64(NULL, UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
219 MAP_PRIVATE, fd, 0); 219 MAP_SHARED, fd, 0);
220 if(addr == MAP_FAILED){ 220 if(addr == MAP_FAILED){
221 printk("Mapping test memory file failed, err = %d\n", -errno); 221 printk("Mapping test memory file failed, err = %d\n", -errno);
222 return 0; 222 return 0;
@@ -266,11 +266,11 @@ void init_new_thread_signals(int altstack)
266 266
267int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr) 267int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
268{ 268{
269 sigjmp_buf buf; 269 jmp_buf buf;
270 int n, enable; 270 int n, enable;
271 271
272 *jmp_ptr = &buf; 272 *jmp_ptr = &buf;
273 n = UML_SIGSETJMP(&buf, enable); 273 n = UML_SETJMP(&buf, enable);
274 if(n != 0) 274 if(n != 0)
275 return(n); 275 return(n);
276 (*fn)(arg); 276 (*fn)(arg);
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 045ae0037456..0776bc18ca85 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -434,7 +434,7 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
434 void (*handler)(int)) 434 void (*handler)(int))
435{ 435{
436 unsigned long flags; 436 unsigned long flags;
437 sigjmp_buf switch_buf, fork_buf; 437 jmp_buf switch_buf, fork_buf;
438 int enable; 438 int enable;
439 439
440 *switch_buf_ptr = &switch_buf; 440 *switch_buf_ptr = &switch_buf;
@@ -450,7 +450,7 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
450 */ 450 */
451 flags = get_signals(); 451 flags = get_signals();
452 block_signals(); 452 block_signals();
453 if(UML_SIGSETJMP(&fork_buf, enable) == 0) 453 if(UML_SETJMP(&fork_buf, enable) == 0)
454 new_thread_proc(stack, handler); 454 new_thread_proc(stack, handler);
455 455
456 remove_sigstack(); 456 remove_sigstack();
@@ -466,35 +466,35 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
466 466
467void thread_wait(void *sw, void *fb) 467void thread_wait(void *sw, void *fb)
468{ 468{
469 sigjmp_buf buf, **switch_buf = sw, *fork_buf; 469 jmp_buf buf, **switch_buf = sw, *fork_buf;
470 int enable; 470 int enable;
471 471
472 *switch_buf = &buf; 472 *switch_buf = &buf;
473 fork_buf = fb; 473 fork_buf = fb;
474 if(UML_SIGSETJMP(&buf, enable) == 0) 474 if(UML_SETJMP(&buf, enable) == 0)
475 siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK); 475 siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK);
476} 476}
477 477
478void switch_threads(void *me, void *next) 478void switch_threads(void *me, void *next)
479{ 479{
480 sigjmp_buf my_buf, **me_ptr = me, *next_buf = next; 480 jmp_buf my_buf, **me_ptr = me, *next_buf = next;
481 int enable; 481 int enable;
482 482
483 *me_ptr = &my_buf; 483 *me_ptr = &my_buf;
484 if(UML_SIGSETJMP(&my_buf, enable) == 0) 484 if(UML_SETJMP(&my_buf, enable) == 0)
485 UML_SIGLONGJMP(next_buf, 1); 485 UML_LONGJMP(next_buf, 1);
486} 486}
487 487
488static sigjmp_buf initial_jmpbuf; 488static jmp_buf initial_jmpbuf;
489 489
490/* XXX Make these percpu */ 490/* XXX Make these percpu */
491static void (*cb_proc)(void *arg); 491static void (*cb_proc)(void *arg);
492static void *cb_arg; 492static void *cb_arg;
493static sigjmp_buf *cb_back; 493static jmp_buf *cb_back;
494 494
495int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr) 495int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
496{ 496{
497 sigjmp_buf **switch_buf = switch_buf_ptr; 497 jmp_buf **switch_buf = switch_buf_ptr;
498 int n, enable; 498 int n, enable;
499 499
500 set_handler(SIGWINCH, (__sighandler_t) sig_handler, 500 set_handler(SIGWINCH, (__sighandler_t) sig_handler,
@@ -502,7 +502,7 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
502 SIGVTALRM, -1); 502 SIGVTALRM, -1);
503 503
504 *fork_buf_ptr = &initial_jmpbuf; 504 *fork_buf_ptr = &initial_jmpbuf;
505 n = UML_SIGSETJMP(&initial_jmpbuf, enable); 505 n = UML_SETJMP(&initial_jmpbuf, enable);
506 switch(n){ 506 switch(n){
507 case INIT_JMP_NEW_THREAD: 507 case INIT_JMP_NEW_THREAD:
508 new_thread_proc((void *) stack, new_thread_handler); 508 new_thread_proc((void *) stack, new_thread_handler);
@@ -512,7 +512,7 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
512 break; 512 break;
513 case INIT_JMP_CALLBACK: 513 case INIT_JMP_CALLBACK:
514 (*cb_proc)(cb_arg); 514 (*cb_proc)(cb_arg);
515 UML_SIGLONGJMP(cb_back, 1); 515 UML_LONGJMP(cb_back, 1);
516 break; 516 break;
517 case INIT_JMP_HALT: 517 case INIT_JMP_HALT:
518 kmalloc_ok = 0; 518 kmalloc_ok = 0;
@@ -523,12 +523,12 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
523 default: 523 default:
524 panic("Bad sigsetjmp return in start_idle_thread - %d\n", n); 524 panic("Bad sigsetjmp return in start_idle_thread - %d\n", n);
525 } 525 }
526 UML_SIGLONGJMP(*switch_buf, 1); 526 UML_LONGJMP(*switch_buf, 1);
527} 527}
528 528
529void initial_thread_cb_skas(void (*proc)(void *), void *arg) 529void initial_thread_cb_skas(void (*proc)(void *), void *arg)
530{ 530{
531 sigjmp_buf here; 531 jmp_buf here;
532 int enable; 532 int enable;
533 533
534 cb_proc = proc; 534 cb_proc = proc;
@@ -536,8 +536,8 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg)
536 cb_back = &here; 536 cb_back = &here;
537 537
538 block_signals(); 538 block_signals();
539 if(UML_SIGSETJMP(&here, enable) == 0) 539 if(UML_SETJMP(&here, enable) == 0)
540 UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_CALLBACK); 540 UML_LONGJMP(&initial_jmpbuf, INIT_JMP_CALLBACK);
541 unblock_signals(); 541 unblock_signals();
542 542
543 cb_proc = NULL; 543 cb_proc = NULL;
@@ -548,13 +548,13 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg)
548void halt_skas(void) 548void halt_skas(void)
549{ 549{
550 block_signals(); 550 block_signals();
551 UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_HALT); 551 UML_LONGJMP(&initial_jmpbuf, INIT_JMP_HALT);
552} 552}
553 553
554void reboot_skas(void) 554void reboot_skas(void)
555{ 555{
556 block_signals(); 556 block_signals();
557 UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_REBOOT); 557 UML_LONGJMP(&initial_jmpbuf, INIT_JMP_REBOOT);
558} 558}
559 559
560void switch_mm_skas(struct mm_id *mm_idp) 560void switch_mm_skas(struct mm_id *mm_idp)
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 387e26af301a..503148504009 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -296,29 +296,7 @@ static void __init check_ptrace(void)
296 check_sysemu(); 296 check_sysemu();
297} 297}
298 298
299extern int create_tmp_file(unsigned long long len); 299extern void check_tmpexec(void);
300
301static void check_tmpexec(void)
302{
303 void *addr;
304 int err, fd = create_tmp_file(UM_KERN_PAGE_SIZE);
305
306 addr = mmap(NULL, UM_KERN_PAGE_SIZE,
307 PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
308 printf("Checking PROT_EXEC mmap in /tmp...");
309 fflush(stdout);
310 if(addr == MAP_FAILED){
311 err = errno;
312 perror("failed");
313 if(err == EPERM)
314 printf("/tmp must be not mounted noexec\n");
315 exit(1);
316 }
317 printf("OK\n");
318 munmap(addr, UM_KERN_PAGE_SIZE);
319
320 close(fd);
321}
322 300
323void os_early_checks(void) 301void os_early_checks(void)
324{ 302{
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
index a9f6b26f9828..90b29ae9af46 100644
--- a/arch/um/os-Linux/trap.c
+++ b/arch/um/os-Linux/trap.c
@@ -35,7 +35,7 @@ void os_fill_handlinfo(struct kern_handlers h)
35 35
36void do_longjmp(void *b, int val) 36void do_longjmp(void *b, int val)
37{ 37{
38 sigjmp_buf *buf = b; 38 jmp_buf *buf = b;
39 39
40 UML_SIGLONGJMP(buf, val); 40 UML_LONGJMP(buf, val);
41} 41}
diff --git a/arch/um/os-Linux/uaccess.c b/arch/um/os-Linux/uaccess.c
index 166fb66995df..e523719330b2 100644
--- a/arch/um/os-Linux/uaccess.c
+++ b/arch/um/os-Linux/uaccess.c
@@ -16,9 +16,9 @@ unsigned long __do_user_copy(void *to, const void *from, int n,
16 unsigned long *faddrp = (unsigned long *) fault_addr, ret; 16 unsigned long *faddrp = (unsigned long *) fault_addr, ret;
17 int enable; 17 int enable;
18 18
19 sigjmp_buf jbuf; 19 jmp_buf jbuf;
20 *fault_catcher = &jbuf; 20 *fault_catcher = &jbuf;
21 if(UML_SIGSETJMP(&jbuf, enable) == 0){ 21 if(UML_SETJMP(&jbuf, enable) == 0){
22 (*op)(to, from, n); 22 (*op)(to, from, n);
23 ret = 0; 23 ret = 0;
24 *faulted_out = 0; 24 *faulted_out = 0;
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index e32065e2fdc8..c47a2a7ce70e 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -104,7 +104,7 @@ void setup_hostinfo(void)
104int setjmp_wrapper(void (*proc)(void *, void *), ...) 104int setjmp_wrapper(void (*proc)(void *, void *), ...)
105{ 105{
106 va_list args; 106 va_list args;
107 sigjmp_buf buf; 107 jmp_buf buf;
108 int n; 108 int n;
109 109
110 n = sigsetjmp(buf, 1); 110 n = sigsetjmp(buf, 1);
diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
index 618fd8594643..0709fc6670c2 100644
--- a/arch/um/sys-i386/signal.c
+++ b/arch/um/sys-i386/signal.c
@@ -57,7 +57,7 @@ static int copy_sc_from_user_skas(struct pt_regs *regs,
57 return(0); 57 return(0);
58} 58}
59 59
60int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate __user *to_fp, 60int copy_sc_to_user_skas(struct sigcontext __user *to, struct _fpstate __user *to_fp,
61 struct pt_regs *regs, unsigned long sp) 61 struct pt_regs *regs, unsigned long sp)
62{ 62{
63 struct sigcontext sc; 63 struct sigcontext sc;
@@ -132,7 +132,7 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from,
132 return(err); 132 return(err);
133} 133}
134 134
135int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate __user *fp, 135int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp,
136 struct sigcontext *from, int fpsize, unsigned long sp) 136 struct sigcontext *from, int fpsize, unsigned long sp)
137{ 137{
138 struct _fpstate __user *to_fp; 138 struct _fpstate __user *to_fp;
@@ -167,7 +167,7 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from)
167 return(ret); 167 return(ret);
168} 168}
169 169
170static int copy_sc_to_user(struct sigcontext *to, struct _fpstate __user *fp, 170static int copy_sc_to_user(struct sigcontext __user *to, struct _fpstate __user *fp,
171 struct pt_regs *from, unsigned long sp) 171 struct pt_regs *from, unsigned long sp)
172{ 172{
173 return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs), 173 return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs),
diff --git a/arch/um/sys-i386/stub_segv.c b/arch/um/sys-i386/stub_segv.c
index a37f672ec964..2355dc19c46c 100644
--- a/arch/um/sys-i386/stub_segv.c
+++ b/arch/um/sys-i386/stub_segv.c
@@ -27,6 +27,6 @@ stub_segv_handler(int sig)
27 * the stack in its original form when we do the sigreturn here, by 27 * the stack in its original form when we do the sigreturn here, by
28 * hand. 28 * hand.
29 */ 29 */
30 __asm__("mov %0,%%esp ; movl %1, %%eax ; " 30 __asm__ __volatile__("mov %0,%%esp ; movl %1, %%eax ; "
31 "int $0x80" : : "a" (sc), "g" (__NR_sigreturn)); 31 "int $0x80" : : "a" (sc), "g" (__NR_sigreturn));
32} 32}
diff --git a/arch/um/sys-x86_64/stub_segv.c b/arch/um/sys-x86_64/stub_segv.c
index a27099533198..1c967026c957 100644
--- a/arch/um/sys-x86_64/stub_segv.c
+++ b/arch/um/sys-x86_64/stub_segv.c
@@ -33,7 +33,7 @@ stub_segv_handler(int sig)
33 struct ucontext *uc; 33 struct ucontext *uc;
34 int pid; 34 int pid;
35 35
36 __asm__("movq %%rdx, %0" : "=g" (uc) :); 36 __asm__ __volatile__("movq %%rdx, %0" : "=g" (uc) :);
37 GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA), 37 GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA),
38 &uc->uc_mcontext); 38 &uc->uc_mcontext);
39 39
@@ -44,8 +44,8 @@ stub_segv_handler(int sig)
44 * the signal frame. So, we use the ucontext pointer, which we know 44 * the signal frame. So, we use the ucontext pointer, which we know
45 * already, to get the signal frame pointer, and add 8 to that. 45 * already, to get the signal frame pointer, and add 8 to that.
46 */ 46 */
47 __asm__("movq %0, %%rsp; movq %1, %%rax ; syscall": : 47 __asm__ __volatile__("movq %0, %%rsp; movq %1, %%rax ; syscall": :
48 "g" ((unsigned long) container_of(uc, struct rt_sigframe, 48 "g" ((unsigned long)
49 uc) + 8), 49 container_of(uc, struct rt_sigframe, uc) + 8),
50 "g" (__NR_rt_sigreturn)); 50 "g" (__NR_rt_sigreturn));
51} 51}
diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c
index accbff3fec49..1eaa5dae6174 100644
--- a/arch/x86_64/kernel/kprobes.c
+++ b/arch/x86_64/kernel/kprobes.c
@@ -53,7 +53,7 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
53/* 53/*
54 * returns non-zero if opcode modifies the interrupt flag. 54 * returns non-zero if opcode modifies the interrupt flag.
55 */ 55 */
56static inline int is_IF_modifier(kprobe_opcode_t *insn) 56static __always_inline int is_IF_modifier(kprobe_opcode_t *insn)
57{ 57{
58 switch (*insn) { 58 switch (*insn) {
59 case 0xfa: /* cli */ 59 case 0xfa: /* cli */
@@ -84,7 +84,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
84 * If it does, return the address of the 32-bit displacement word. 84 * If it does, return the address of the 32-bit displacement word.
85 * If not, return null. 85 * If not, return null.
86 */ 86 */
87static inline s32 *is_riprel(u8 *insn) 87static s32 __kprobes *is_riprel(u8 *insn)
88{ 88{
89#define W(row,b0,b1,b2,b3,b4,b5,b6,b7,b8,b9,ba,bb,bc,bd,be,bf) \ 89#define W(row,b0,b1,b2,b3,b4,b5,b6,b7,b8,b9,ba,bb,bc,bd,be,bf) \
90 (((b0##UL << 0x0)|(b1##UL << 0x1)|(b2##UL << 0x2)|(b3##UL << 0x3) | \ 90 (((b0##UL << 0x0)|(b1##UL << 0x1)|(b2##UL << 0x2)|(b3##UL << 0x3) | \
@@ -229,7 +229,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
229 mutex_unlock(&kprobe_mutex); 229 mutex_unlock(&kprobe_mutex);
230} 230}
231 231
232static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) 232static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
233{ 233{
234 kcb->prev_kprobe.kp = kprobe_running(); 234 kcb->prev_kprobe.kp = kprobe_running();
235 kcb->prev_kprobe.status = kcb->kprobe_status; 235 kcb->prev_kprobe.status = kcb->kprobe_status;
@@ -237,7 +237,7 @@ static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
237 kcb->prev_kprobe.saved_rflags = kcb->kprobe_saved_rflags; 237 kcb->prev_kprobe.saved_rflags = kcb->kprobe_saved_rflags;
238} 238}
239 239
240static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) 240static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
241{ 241{
242 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; 242 __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
243 kcb->kprobe_status = kcb->prev_kprobe.status; 243 kcb->kprobe_status = kcb->prev_kprobe.status;
@@ -245,7 +245,7 @@ static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
245 kcb->kprobe_saved_rflags = kcb->prev_kprobe.saved_rflags; 245 kcb->kprobe_saved_rflags = kcb->prev_kprobe.saved_rflags;
246} 246}
247 247
248static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, 248static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
249 struct kprobe_ctlblk *kcb) 249 struct kprobe_ctlblk *kcb)
250{ 250{
251 __get_cpu_var(current_kprobe) = p; 251 __get_cpu_var(current_kprobe) = p;
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index 58dcdee1cd71..0030cd8e2e95 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -165,7 +165,7 @@ static int bt_start_transaction(struct si_sm_data *bt,
165{ 165{
166 unsigned int i; 166 unsigned int i;
167 167
168 if ((size < 2) || (size > IPMI_MAX_MSG_LENGTH)) 168 if ((size < 2) || (size > (IPMI_MAX_MSG_LENGTH - 2)))
169 return -1; 169 return -1;
170 170
171 if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED)) 171 if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED))
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index a86c0f29953e..b36eef0e9d19 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2198,11 +2198,11 @@ static inline void wait_for_timer_and_thread(struct smi_info *smi_info)
2198 } 2198 }
2199} 2199}
2200 2200
2201static struct ipmi_default_vals 2201static __devinitdata struct ipmi_default_vals
2202{ 2202{
2203 int type; 2203 int type;
2204 int port; 2204 int port;
2205} __devinit ipmi_defaults[] = 2205} ipmi_defaults[] =
2206{ 2206{
2207 { .type = SI_KCS, .port = 0xca2 }, 2207 { .type = SI_KCS, .port = 0xca2 },
2208 { .type = SI_SMIC, .port = 0xca9 }, 2208 { .type = SI_SMIC, .port = 0xca9 },
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 841f0bd3eaaf..f07637a8f88f 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2723,7 +2723,11 @@ static void __do_SAK(void *arg)
2723 } 2723 }
2724 task_lock(p); 2724 task_lock(p);
2725 if (p->files) { 2725 if (p->files) {
2726 rcu_read_lock(); 2726 /*
2727 * We don't take a ref to the file, so we must
2728 * hold ->file_lock instead.
2729 */
2730 spin_lock(&p->files->file_lock);
2727 fdt = files_fdtable(p->files); 2731 fdt = files_fdtable(p->files);
2728 for (i=0; i < fdt->max_fds; i++) { 2732 for (i=0; i < fdt->max_fds; i++) {
2729 filp = fcheck_files(p->files, i); 2733 filp = fcheck_files(p->files, i);
@@ -2738,7 +2742,7 @@ static void __do_SAK(void *arg)
2738 break; 2742 break;
2739 } 2743 }
2740 } 2744 }
2741 rcu_read_unlock(); 2745 spin_unlock(&p->files->file_lock);
2742 } 2746 }
2743 task_unlock(p); 2747 task_unlock(p);
2744 } while_each_thread(g, p); 2748 } while_each_thread(g, p);
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c
index 27fc9ff2961a..99ab4ec34390 100644
--- a/drivers/i2c/chips/m41t00.c
+++ b/drivers/i2c/chips/m41t00.c
@@ -131,13 +131,13 @@ m41t00_set(void *arg)
131 if ((i2c_smbus_write_byte_data(save_client, 0, tm.tm_sec & 0x7f) < 0) 131 if ((i2c_smbus_write_byte_data(save_client, 0, tm.tm_sec & 0x7f) < 0)
132 || (i2c_smbus_write_byte_data(save_client, 1, tm.tm_min & 0x7f) 132 || (i2c_smbus_write_byte_data(save_client, 1, tm.tm_min & 0x7f)
133 < 0) 133 < 0)
134 || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x7f) 134 || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x3f)
135 < 0) 135 < 0)
136 || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x7f) 136 || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x3f)
137 < 0) 137 < 0)
138 || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x7f) 138 || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x1f)
139 < 0) 139 < 0)
140 || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0x7f) 140 || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0xff)
141 < 0)) 141 < 0))
142 142
143 dev_warn(&save_client->dev,"m41t00: can't write to rtc chip\n"); 143 dev_warn(&save_client->dev,"m41t00: can't write to rtc chip\n");
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index cf84350efc55..8b24b4f2a839 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -731,6 +731,8 @@ static unsigned int __devinit ata66_ali15x3 (ide_hwif_t *hwif)
731 731
732 if(m5229_revision <= 0x20) 732 if(m5229_revision <= 0x20)
733 tmpbyte = (tmpbyte & (~0x02)) | 0x01; 733 tmpbyte = (tmpbyte & (~0x02)) | 0x01;
734 else if (m5229_revision == 0xc7)
735 tmpbyte |= 0x03;
734 else 736 else
735 tmpbyte |= 0x01; 737 tmpbyte |= 0x01;
736 738
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index df9ee9a78435..900efd1da587 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -348,6 +348,7 @@ static struct pci_device_id atiixp_pci_tbl[] = {
348 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 348 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
349 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 349 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
350 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 350 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
351 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
351 { 0, }, 352 { 0, },
352}; 353};
353MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl); 354MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index 6f8f8645b02c..7ce5bf783688 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -798,7 +798,6 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
798 .autodma = AUTODMA, 798 .autodma = AUTODMA,
799 .bootable = OFF_BOARD, 799 .bootable = OFF_BOARD,
800 .extra = 48, 800 .extra = 48,
801 .flags = IDEPCI_FLAG_FORCE_PDC,
802 },{ /* 2 */ 801 },{ /* 2 */
803 .name = "PDC20263", 802 .name = "PDC20263",
804 .init_setup = init_setup_pdc202ata4, 803 .init_setup = init_setup_pdc202ata4,
@@ -819,7 +818,6 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
819 .autodma = AUTODMA, 818 .autodma = AUTODMA,
820 .bootable = OFF_BOARD, 819 .bootable = OFF_BOARD,
821 .extra = 48, 820 .extra = 48,
822 .flags = IDEPCI_FLAG_FORCE_PDC,
823 },{ /* 4 */ 821 },{ /* 4 */
824 .name = "PDC20267", 822 .name = "PDC20267",
825 .init_setup = init_setup_pdc202xx, 823 .init_setup = init_setup_pdc202xx,
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 7ebf992e8c2f..462ed3006c30 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -580,7 +580,6 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
580 int port; 580 int port;
581 int at_least_one_hwif_enabled = 0; 581 int at_least_one_hwif_enabled = 0;
582 ide_hwif_t *hwif, *mate = NULL; 582 ide_hwif_t *hwif, *mate = NULL;
583 static int secondpdc = 0;
584 u8 tmp; 583 u8 tmp;
585 584
586 index->all = 0xf0f0; 585 index->all = 0xf0f0;
@@ -592,21 +591,9 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
592 for (port = 0; port <= 1; ++port) { 591 for (port = 0; port <= 1; ++port) {
593 ide_pci_enablebit_t *e = &(d->enablebits[port]); 592 ide_pci_enablebit_t *e = &(d->enablebits[port]);
594 593
595 /*
596 * If this is a Promise FakeRaid controller,
597 * the 2nd controller will be marked as
598 * disabled while it is actually there and enabled
599 * by the bios for raid purposes.
600 * Skip the normal "is it enabled" test for those.
601 */
602 if ((d->flags & IDEPCI_FLAG_FORCE_PDC) &&
603 (secondpdc++==1) && (port==1))
604 goto controller_ok;
605
606 if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) || 594 if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
607 (tmp & e->mask) != e->val)) 595 (tmp & e->mask) != e->val))
608 continue; /* port not enabled */ 596 continue; /* port not enabled */
609controller_ok:
610 597
611 if (d->channels <= port) 598 if (d->channels <= port)
612 break; 599 break;
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index d5890027f8af..48bbf32fd980 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -97,7 +97,7 @@ static struct superio_struct { /* For Super-IO chips autodetection */
97 int io; 97 int io;
98 int irq; 98 int irq;
99 int dma; 99 int dma;
100} superios[NR_SUPERIOS] __devinitdata = { {0,},}; 100} superios[NR_SUPERIOS] = { {0,},};
101 101
102static int user_specified; 102static int user_specified;
103#if defined(CONFIG_PARPORT_PC_SUPERIO) || \ 103#if defined(CONFIG_PARPORT_PC_SUPERIO) || \
@@ -1557,7 +1557,7 @@ static int __devinit get_superio_dma (struct parport *p)
1557 return PARPORT_DMA_NONE; 1557 return PARPORT_DMA_NONE;
1558} 1558}
1559 1559
1560static int __devinit get_superio_irq (struct parport *p) 1560static int get_superio_irq (struct parport *p)
1561{ 1561{
1562 int i=0; 1562 int i=0;
1563 while( (superios[i].io != p->base) && (i<NR_SUPERIOS)) 1563 while( (superios[i].io != p->base) && (i<NR_SUPERIOS))
@@ -1579,7 +1579,7 @@ static int __devinit get_superio_irq (struct parport *p)
1579 * this shall always be the case!) 1579 * this shall always be the case!)
1580 * 1580 *
1581 */ 1581 */
1582static int __devinit parport_SPP_supported(struct parport *pb) 1582static int parport_SPP_supported(struct parport *pb)
1583{ 1583{
1584 unsigned char r, w; 1584 unsigned char r, w;
1585 1585
@@ -1660,7 +1660,7 @@ static int __devinit parport_SPP_supported(struct parport *pb)
1660 * two bits of ECR aren't writable, so we check by writing ECR and 1660 * two bits of ECR aren't writable, so we check by writing ECR and
1661 * reading it back to see if it's what we expect. 1661 * reading it back to see if it's what we expect.
1662 */ 1662 */
1663static int __devinit parport_ECR_present(struct parport *pb) 1663static int parport_ECR_present(struct parport *pb)
1664{ 1664{
1665 struct parport_pc_private *priv = pb->private_data; 1665 struct parport_pc_private *priv = pb->private_data;
1666 unsigned char r = 0xc; 1666 unsigned char r = 0xc;
@@ -1712,7 +1712,7 @@ static int __devinit parport_ECR_present(struct parport *pb)
1712 * be misdetected here is rather academic. 1712 * be misdetected here is rather academic.
1713 */ 1713 */
1714 1714
1715static int __devinit parport_PS2_supported(struct parport *pb) 1715static int parport_PS2_supported(struct parport *pb)
1716{ 1716{
1717 int ok = 0; 1717 int ok = 0;
1718 1718
@@ -1868,7 +1868,7 @@ static int __devinit parport_ECP_supported(struct parport *pb)
1868} 1868}
1869#endif 1869#endif
1870 1870
1871static int __devinit parport_ECPPS2_supported(struct parport *pb) 1871static int parport_ECPPS2_supported(struct parport *pb)
1872{ 1872{
1873 const struct parport_pc_private *priv = pb->private_data; 1873 const struct parport_pc_private *priv = pb->private_data;
1874 int result; 1874 int result;
@@ -1886,7 +1886,7 @@ static int __devinit parport_ECPPS2_supported(struct parport *pb)
1886 1886
1887/* EPP mode detection */ 1887/* EPP mode detection */
1888 1888
1889static int __devinit parport_EPP_supported(struct parport *pb) 1889static int parport_EPP_supported(struct parport *pb)
1890{ 1890{
1891 const struct parport_pc_private *priv = pb->private_data; 1891 const struct parport_pc_private *priv = pb->private_data;
1892 1892
@@ -1931,7 +1931,7 @@ static int __devinit parport_EPP_supported(struct parport *pb)
1931 return 1; 1931 return 1;
1932} 1932}
1933 1933
1934static int __devinit parport_ECPEPP_supported(struct parport *pb) 1934static int parport_ECPEPP_supported(struct parport *pb)
1935{ 1935{
1936 struct parport_pc_private *priv = pb->private_data; 1936 struct parport_pc_private *priv = pb->private_data;
1937 int result; 1937 int result;
@@ -2073,7 +2073,7 @@ static int __devinit irq_probe_SPP(struct parport *pb)
2073 * When ECP is available we can autoprobe for IRQs. 2073 * When ECP is available we can autoprobe for IRQs.
2074 * NOTE: If we can autoprobe it, we can register the IRQ. 2074 * NOTE: If we can autoprobe it, we can register the IRQ.
2075 */ 2075 */
2076static int __devinit parport_irq_probe(struct parport *pb) 2076static int parport_irq_probe(struct parport *pb)
2077{ 2077{
2078 struct parport_pc_private *priv = pb->private_data; 2078 struct parport_pc_private *priv = pb->private_data;
2079 2079
@@ -2779,7 +2779,7 @@ static struct parport_pc_pci {
2779 /* If set, this is called after probing for ports. If 'failed' 2779 /* If set, this is called after probing for ports. If 'failed'
2780 * is non-zero we couldn't use any of the ports. */ 2780 * is non-zero we couldn't use any of the ports. */
2781 void (*postinit_hook) (struct pci_dev *pdev, int failed); 2781 void (*postinit_hook) (struct pci_dev *pdev, int failed);
2782} cards[] __devinitdata = { 2782} cards[] = {
2783 /* siig_1p_10x */ { 1, { { 2, 3 }, } }, 2783 /* siig_1p_10x */ { 1, { { 2, 3 }, } },
2784 /* siig_2p_10x */ { 2, { { 2, 3 }, { 4, 5 }, } }, 2784 /* siig_2p_10x */ { 2, { { 2, 3 }, { 4, 5 }, } },
2785 /* siig_1p_20x */ { 1, { { 0, 1 }, } }, 2785 /* siig_1p_20x */ { 1, { { 0, 1 }, } },
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index c4256aa32bcb..6fff109bdab6 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -479,7 +479,7 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
479int pnp_start_dev(struct pnp_dev *dev) 479int pnp_start_dev(struct pnp_dev *dev)
480{ 480{
481 if (!pnp_can_write(dev)) { 481 if (!pnp_can_write(dev)) {
482 pnp_info("Device %s does not supported activation.", dev->dev.bus_id); 482 pnp_info("Device %s does not support activation.", dev->dev.bus_id);
483 return -EINVAL; 483 return -EINVAL;
484 } 484 }
485 485
@@ -503,7 +503,7 @@ int pnp_start_dev(struct pnp_dev *dev)
503int pnp_stop_dev(struct pnp_dev *dev) 503int pnp_stop_dev(struct pnp_dev *dev)
504{ 504{
505 if (!pnp_can_disable(dev)) { 505 if (!pnp_can_disable(dev)) {
506 pnp_info("Device %s does not supported disabling.", dev->dev.bus_id); 506 pnp_info("Device %s does not support disabling.", dev->dev.bus_id);
507 return -EINVAL; 507 return -EINVAL;
508 } 508 }
509 if (dev->protocol->disable(dev)<0) { 509 if (dev->protocol->disable(dev)<0) {
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index e9c10c0a30fc..321a40f33b50 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -1057,7 +1057,6 @@ static void m32r_sio_console_write(struct console *co, const char *s,
1057{ 1057{
1058 struct uart_sio_port *up = &m32r_sio_ports[co->index]; 1058 struct uart_sio_port *up = &m32r_sio_ports[co->index];
1059 unsigned int ier; 1059 unsigned int ier;
1060 int i;
1061 1060
1062 /* 1061 /*
1063 * First save the UER then disable the interrupts 1062 * First save the UER then disable the interrupts
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 9a6b5b39b88e..387a18a47ac2 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -2265,7 +2265,7 @@ static struct bin_attribute edid2_attr = {
2265}; 2265};
2266 2266
2267 2267
2268static int radeonfb_pci_register (struct pci_dev *pdev, 2268static int __devinit radeonfb_pci_register (struct pci_dev *pdev,
2269 const struct pci_device_id *ent) 2269 const struct pci_device_id *ent)
2270{ 2270{
2271 struct fb_info *info; 2271 struct fb_info *info;
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 8d8eadb64853..372aa1776827 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -674,13 +674,19 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
674 total_size = info->fix.smem_len; 674 total_size = info->fix.smem_len;
675 675
676 if (p > total_size) 676 if (p > total_size)
677 return 0; 677 return -EFBIG;
678 678
679 if (count >= total_size) 679 if (count > total_size) {
680 err = -EFBIG;
680 count = total_size; 681 count = total_size;
682 }
683
684 if (count + p > total_size) {
685 if (!err)
686 err = -ENOSPC;
681 687
682 if (count + p > total_size)
683 count = total_size - p; 688 count = total_size - p;
689 }
684 690
685 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, 691 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
686 GFP_KERNEL); 692 GFP_KERNEL);
@@ -722,7 +728,7 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
722 728
723 kfree(buffer); 729 kfree(buffer);
724 730
725 return (err) ? err : cnt; 731 return (cnt) ? cnt : err;
726} 732}
727 733
728#ifdef CONFIG_KMOD 734#ifdef CONFIG_KMOD
diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c
index 10e6b3aab9ea..0da624e6524f 100644
--- a/drivers/video/savage/savagefb_driver.c
+++ b/drivers/video/savage/savagefb_driver.c
@@ -73,7 +73,7 @@
73/* --------------------------------------------------------------------- */ 73/* --------------------------------------------------------------------- */
74 74
75 75
76static char *mode_option __initdata = NULL; 76static char *mode_option __devinitdata = NULL;
77 77
78#ifdef MODULE 78#ifdef MODULE
79 79
@@ -1545,7 +1545,7 @@ static int __devinit savage_map_mmio (struct fb_info *info)
1545 return 0; 1545 return 0;
1546} 1546}
1547 1547
1548static void __devinit savage_unmap_mmio (struct fb_info *info) 1548static void savage_unmap_mmio (struct fb_info *info)
1549{ 1549{
1550 struct savagefb_par *par = info->par; 1550 struct savagefb_par *par = info->par;
1551 DBG ("savage_unmap_mmio"); 1551 DBG ("savage_unmap_mmio");
@@ -1597,7 +1597,7 @@ static int __devinit savage_map_video (struct fb_info *info,
1597 return 0; 1597 return 0;
1598} 1598}
1599 1599
1600static void __devinit savage_unmap_video (struct fb_info *info) 1600static void savage_unmap_video (struct fb_info *info)
1601{ 1601{
1602 struct savagefb_par *par = info->par; 1602 struct savagefb_par *par = info->par;
1603 1603
@@ -1614,7 +1614,7 @@ static void __devinit savage_unmap_video (struct fb_info *info)
1614 } 1614 }
1615} 1615}
1616 1616
1617static int __devinit savage_init_hw (struct savagefb_par *par) 1617static int savage_init_hw (struct savagefb_par *par)
1618{ 1618{
1619 unsigned char config1, m, n, n1, n2, sr8, cr3f, cr66 = 0, tmp; 1619 unsigned char config1, m, n, n1, n2, sr8, cr3f, cr66 = 0, tmp;
1620 1620
diff --git a/fs/Kconfig b/fs/Kconfig
index 2524629dc835..f9b5842c8d2d 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -842,6 +842,12 @@ config TMPFS
842config HUGETLBFS 842config HUGETLBFS
843 bool "HugeTLB file system support" 843 bool "HugeTLB file system support"
844 depends X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN 844 depends X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN
845 help
846 hugetlbfs is a filesystem backing for HugeTLB pages, based on
847 ramfs. For architectures that support it, say Y here and read
848 <file:Documentation/vm/hugetlbpage.txt> for details.
849
850 If unsure, say N.
845 851
846config HUGETLB_PAGE 852config HUGETLB_PAGE
847 def_bool HUGETLBFS 853 def_bool HUGETLBFS
diff --git a/fs/exec.c b/fs/exec.c
index 4121bb559739..3a79d97ac234 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -712,7 +712,7 @@ static int de_thread(struct task_struct *tsk)
712 attach_pid(current, PIDTYPE_PID, current->pid); 712 attach_pid(current, PIDTYPE_PID, current->pid);
713 attach_pid(current, PIDTYPE_PGID, current->signal->pgrp); 713 attach_pid(current, PIDTYPE_PGID, current->signal->pgrp);
714 attach_pid(current, PIDTYPE_SID, current->signal->session); 714 attach_pid(current, PIDTYPE_SID, current->signal->session);
715 list_add_tail(&current->tasks, &init_task.tasks); 715 list_add_tail_rcu(&current->tasks, &init_task.tasks);
716 716
717 current->group_leader = current; 717 current->group_leader = current;
718 leader->group_leader = current; 718 leader->group_leader = current;
diff --git a/fs/locks.c b/fs/locks.c
index dda83d6cd48b..efad798824dc 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2230,7 +2230,12 @@ void steal_locks(fl_owner_t from)
2230 2230
2231 lock_kernel(); 2231 lock_kernel();
2232 j = 0; 2232 j = 0;
2233 rcu_read_lock(); 2233
2234 /*
2235 * We are not taking a ref to the file structures, so
2236 * we need to acquire ->file_lock.
2237 */
2238 spin_lock(&files->file_lock);
2234 fdt = files_fdtable(files); 2239 fdt = files_fdtable(files);
2235 for (;;) { 2240 for (;;) {
2236 unsigned long set; 2241 unsigned long set;
@@ -2248,7 +2253,7 @@ void steal_locks(fl_owner_t from)
2248 set >>= 1; 2253 set >>= 1;
2249 } 2254 }
2250 } 2255 }
2251 rcu_read_unlock(); 2256 spin_unlock(&files->file_lock);
2252 unlock_kernel(); 2257 unlock_kernel();
2253} 2258}
2254EXPORT_SYMBOL(steal_locks); 2259EXPORT_SYMBOL(steal_locks);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index a3a3eecef689..6cc77dc3f3ff 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -297,16 +297,20 @@ static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsm
297 297
298 files = get_files_struct(task); 298 files = get_files_struct(task);
299 if (files) { 299 if (files) {
300 rcu_read_lock(); 300 /*
301 * We are not taking a ref to the file structure, so we must
302 * hold ->file_lock.
303 */
304 spin_lock(&files->file_lock);
301 file = fcheck_files(files, fd); 305 file = fcheck_files(files, fd);
302 if (file) { 306 if (file) {
303 *mnt = mntget(file->f_vfsmnt); 307 *mnt = mntget(file->f_vfsmnt);
304 *dentry = dget(file->f_dentry); 308 *dentry = dget(file->f_dentry);
305 rcu_read_unlock(); 309 spin_unlock(&files->file_lock);
306 put_files_struct(files); 310 put_files_struct(files);
307 return 0; 311 return 0;
308 } 312 }
309 rcu_read_unlock(); 313 spin_unlock(&files->file_lock);
310 put_files_struct(files); 314 put_files_struct(files);
311 } 315 }
312 return -ENOENT; 316 return -ENOENT;
@@ -1523,7 +1527,12 @@ static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry,
1523 if (!files) 1527 if (!files)
1524 goto out_unlock; 1528 goto out_unlock;
1525 inode->i_mode = S_IFLNK; 1529 inode->i_mode = S_IFLNK;
1526 rcu_read_lock(); 1530
1531 /*
1532 * We are not taking a ref to the file structure, so we must
1533 * hold ->file_lock.
1534 */
1535 spin_lock(&files->file_lock);
1527 file = fcheck_files(files, fd); 1536 file = fcheck_files(files, fd);
1528 if (!file) 1537 if (!file)
1529 goto out_unlock2; 1538 goto out_unlock2;
@@ -1531,7 +1540,7 @@ static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry,
1531 inode->i_mode |= S_IRUSR | S_IXUSR; 1540 inode->i_mode |= S_IRUSR | S_IXUSR;
1532 if (file->f_mode & 2) 1541 if (file->f_mode & 2)
1533 inode->i_mode |= S_IWUSR | S_IXUSR; 1542 inode->i_mode |= S_IWUSR | S_IXUSR;
1534 rcu_read_unlock(); 1543 spin_unlock(&files->file_lock);
1535 put_files_struct(files); 1544 put_files_struct(files);
1536 inode->i_op = &proc_pid_link_inode_operations; 1545 inode->i_op = &proc_pid_link_inode_operations;
1537 inode->i_size = 64; 1546 inode->i_size = 64;
@@ -1541,7 +1550,7 @@ static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry,
1541 return NULL; 1550 return NULL;
1542 1551
1543out_unlock2: 1552out_unlock2:
1544 rcu_read_unlock(); 1553 spin_unlock(&files->file_lock);
1545 put_files_struct(files); 1554 put_files_struct(files);
1546out_unlock: 1555out_unlock:
1547 iput(inode); 1556 iput(inode);
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h
index 22d80ece95cb..4ddce5296a78 100644
--- a/include/asm-i386/atomic.h
+++ b/include/asm-i386/atomic.h
@@ -183,6 +183,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v)
183{ 183{
184 int __i; 184 int __i;
185#ifdef CONFIG_M386 185#ifdef CONFIG_M386
186 unsigned long flags;
186 if(unlikely(boot_cpu_data.x86==3)) 187 if(unlikely(boot_cpu_data.x86==3))
187 goto no_xadd; 188 goto no_xadd;
188#endif 189#endif
@@ -196,10 +197,10 @@ static __inline__ int atomic_add_return(int i, atomic_t *v)
196 197
197#ifdef CONFIG_M386 198#ifdef CONFIG_M386
198no_xadd: /* Legacy 386 processor */ 199no_xadd: /* Legacy 386 processor */
199 local_irq_disable(); 200 local_irq_save(flags);
200 __i = atomic_read(v); 201 __i = atomic_read(v);
201 atomic_set(v, i + __i); 202 atomic_set(v, i + __i);
202 local_irq_enable(); 203 local_irq_restore(flags);
203 return i + __i; 204 return i + __i;
204#endif 205#endif
205} 206}
diff --git a/include/asm-m32r/assembler.h b/include/asm-m32r/assembler.h
index b7f4d8aaeb46..1a1aa17edd33 100644
--- a/include/asm-m32r/assembler.h
+++ b/include/asm-m32r/assembler.h
@@ -109,6 +109,9 @@
109 push r13 109 push r13
110 mvfachi r13 110 mvfachi r13
111 push r13 111 push r13
112 ldi r13, #0
113 push r13 ; dummy push acc1h
114 push r13 ; dummy push acc1l
112#else 115#else
113#error unknown isa configuration 116#error unknown isa configuration
114#endif 117#endif
@@ -156,6 +159,8 @@
156 pop r13 159 pop r13
157 mvtaclo r13, a1 160 mvtaclo r13, a1
158#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) 161#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
162 pop r13 ; dummy pop acc1h
163 pop r13 ; dummy pop acc1l
159 pop r13 164 pop r13
160 mvtachi r13 165 mvtachi r13
161 pop r13 166 pop r13
diff --git a/include/asm-m32r/mappi3/mappi3_pld.h b/include/asm-m32r/mappi3/mappi3_pld.h
index 1d3c25d61bcb..031369a7afc8 100644
--- a/include/asm-m32r/mappi3/mappi3_pld.h
+++ b/include/asm-m32r/mappi3/mappi3_pld.h
@@ -53,16 +53,14 @@
53/* Power Control of MMC and CF */ 53/* Power Control of MMC and CF */
54#define PLD_CPCR __reg16(PLD_BASE + 0x14000) 54#define PLD_CPCR __reg16(PLD_BASE + 0x14000)
55 55
56 56/* ICU */
57/*==== ICU ====*/ 57#define M32R_IRQ_PC104 (5) /* INT4(PC/104) */
58#define M32R_IRQ_PC104 (5) /* INT4(PC/104) */ 58#define M32R_IRQ_I2C (28) /* I2C-BUS */
59#define M32R_IRQ_I2C (28) /* I2C-BUS */ 59#define PLD_IRQ_CFIREQ (6) /* INT5 CFC Card Interrupt */
60#define PLD_IRQ_CFIREQ (6) /* INT5 CFC Card Interrupt */ 60#define PLD_IRQ_CFC_INSERT (7) /* INT6 CFC Card Insert & Eject */
61#define PLD_IRQ_CFC_INSERT (7) /* INT6 CFC Card Insert */ 61#define PLD_IRQ_IDEIREQ (8) /* INT7 IDE Interrupt */
62#define PLD_IRQ_IDEIREQ (8) /* INT7 IDE Interrupt */ 62#define PLD_IRQ_MMCCARD (43) /* MMC Card Insert */
63#define PLD_IRQ_MMCCARD (43) /* MMC Card Insert */ 63#define PLD_IRQ_MMCIRQ (44) /* MMC Transfer Done */
64#define PLD_IRQ_MMCIRQ (44) /* MMC Transfer Done */
65
66 64
67#if 0 65#if 0
68/* LED Control 66/* LED Control
@@ -97,7 +95,6 @@
97#define PLD_CRC16ADATA __reg16(PLD_BASE + 0x18008) 95#define PLD_CRC16ADATA __reg16(PLD_BASE + 0x18008)
98#define PLD_CRC16AINDATA __reg16(PLD_BASE + 0x1800a) 96#define PLD_CRC16AINDATA __reg16(PLD_BASE + 0x1800a)
99 97
100
101#if 0 98#if 0
102/* RTC */ 99/* RTC */
103#define PLD_RTCCR __reg16(PLD_BASE + 0x1c000) 100#define PLD_RTCCR __reg16(PLD_BASE + 0x1c000)
@@ -140,4 +137,7 @@
140 137
141#endif 138#endif
142 139
140/* Reset Control */
141#define PLD_REBOOT __reg16(PLD_BASE + 0x38000)
142
143#endif /* _MAPPI3_PLD.H */ 143#endif /* _MAPPI3_PLD.H */
diff --git a/include/asm-m32r/ptrace.h b/include/asm-m32r/ptrace.h
index 0d058b2d844e..53c792452dfc 100644
--- a/include/asm-m32r/ptrace.h
+++ b/include/asm-m32r/ptrace.h
@@ -43,6 +43,14 @@
43#define PT_ACC1L 18 43#define PT_ACC1L 18
44#define PT_ACCH PT_ACC0H 44#define PT_ACCH PT_ACC0H
45#define PT_ACCL PT_ACC0L 45#define PT_ACCL PT_ACC0L
46#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
47#define PT_ACCH 15
48#define PT_ACCL 16
49#define PT_DUMMY_ACC1H 17
50#define PT_DUMMY_ACC1L 18
51#else
52#error unknown isa conifiguration
53#endif
46#define PT_PSW 19 54#define PT_PSW 19
47#define PT_BPC 20 55#define PT_BPC 20
48#define PT_BBPSW 21 56#define PT_BBPSW 21
@@ -52,21 +60,6 @@
52#define PT_LR 25 60#define PT_LR 25
53#define PT_SPI 26 61#define PT_SPI 26
54#define PT_ORIGR0 27 62#define PT_ORIGR0 27
55#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
56#define PT_ACCH 15
57#define PT_ACCL 16
58#define PT_PSW 17
59#define PT_BPC 18
60#define PT_BBPSW 19
61#define PT_BBPC 20
62#define PT_SPU 21
63#define PT_FP 22
64#define PT_LR 23
65#define PT_SPI 24
66#define PT_ORIGR0 25
67#else
68#error unknown isa conifiguration
69#endif
70 63
71/* virtual pt_reg entry for gdb */ 64/* virtual pt_reg entry for gdb */
72#define PT_PC 30 65#define PT_PC 30
@@ -121,6 +114,8 @@ struct pt_regs {
121#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) 114#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
122 unsigned long acch; 115 unsigned long acch;
123 unsigned long accl; 116 unsigned long accl;
117 unsigned long dummy_acc1h;
118 unsigned long dummy_acc1l;
124#else 119#else
125#error unknown isa configuration 120#error unknown isa configuration
126#endif 121#endif
diff --git a/include/asm-m32r/semaphore.h b/include/asm-m32r/semaphore.h
index bf447c52a0a1..81750edc8916 100644
--- a/include/asm-m32r/semaphore.h
+++ b/include/asm-m32r/semaphore.h
@@ -9,7 +9,7 @@
9 * SMP- and interrupt-safe semaphores.. 9 * SMP- and interrupt-safe semaphores..
10 * 10 *
11 * Copyright (C) 1996 Linus Torvalds 11 * Copyright (C) 1996 Linus Torvalds
12 * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org> 12 * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
13 */ 13 */
14 14
15#include <linux/config.h> 15#include <linux/config.h>
@@ -77,27 +77,8 @@ asmlinkage void __up(struct semaphore * sem);
77 */ 77 */
78static inline void down(struct semaphore * sem) 78static inline void down(struct semaphore * sem)
79{ 79{
80 unsigned long flags;
81 long count;
82
83 might_sleep(); 80 might_sleep();
84 local_irq_save(flags); 81 if (unlikely(atomic_dec_return(&sem->count) < 0))
85 __asm__ __volatile__ (
86 "# down \n\t"
87 DCACHE_CLEAR("%0", "r4", "%1")
88 M32R_LOCK" %0, @%1; \n\t"
89 "addi %0, #-1; \n\t"
90 M32R_UNLOCK" %0, @%1; \n\t"
91 : "=&r" (count)
92 : "r" (&sem->count)
93 : "memory"
94#ifdef CONFIG_CHIP_M32700_TS1
95 , "r4"
96#endif /* CONFIG_CHIP_M32700_TS1 */
97 );
98 local_irq_restore(flags);
99
100 if (unlikely(count < 0))
101 __down(sem); 82 __down(sem);
102} 83}
103 84
@@ -107,28 +88,10 @@ static inline void down(struct semaphore * sem)
107 */ 88 */
108static inline int down_interruptible(struct semaphore * sem) 89static inline int down_interruptible(struct semaphore * sem)
109{ 90{
110 unsigned long flags;
111 long count;
112 int result = 0; 91 int result = 0;
113 92
114 might_sleep(); 93 might_sleep();
115 local_irq_save(flags); 94 if (unlikely(atomic_dec_return(&sem->count) < 0))
116 __asm__ __volatile__ (
117 "# down_interruptible \n\t"
118 DCACHE_CLEAR("%0", "r4", "%1")
119 M32R_LOCK" %0, @%1; \n\t"
120 "addi %0, #-1; \n\t"
121 M32R_UNLOCK" %0, @%1; \n\t"
122 : "=&r" (count)
123 : "r" (&sem->count)
124 : "memory"
125#ifdef CONFIG_CHIP_M32700_TS1
126 , "r4"
127#endif /* CONFIG_CHIP_M32700_TS1 */
128 );
129 local_irq_restore(flags);
130
131 if (unlikely(count < 0))
132 result = __down_interruptible(sem); 95 result = __down_interruptible(sem);
133 96
134 return result; 97 return result;
@@ -174,26 +137,7 @@ static inline int down_trylock(struct semaphore * sem)
174 */ 137 */
175static inline void up(struct semaphore * sem) 138static inline void up(struct semaphore * sem)
176{ 139{
177 unsigned long flags; 140 if (unlikely(atomic_inc_return(&sem->count) <= 0))
178 long count;
179
180 local_irq_save(flags);
181 __asm__ __volatile__ (
182 "# up \n\t"
183 DCACHE_CLEAR("%0", "r4", "%1")
184 M32R_LOCK" %0, @%1; \n\t"
185 "addi %0, #1; \n\t"
186 M32R_UNLOCK" %0, @%1; \n\t"
187 : "=&r" (count)
188 : "r" (&sem->count)
189 : "memory"
190#ifdef CONFIG_CHIP_M32700_TS1
191 , "r4"
192#endif /* CONFIG_CHIP_M32700_TS1 */
193 );
194 local_irq_restore(flags);
195
196 if (unlikely(count <= 0))
197 __up(sem); 141 __up(sem);
198} 142}
199 143
diff --git a/include/asm-m32r/sigcontext.h b/include/asm-m32r/sigcontext.h
index c233e2def2a3..942b8a30937d 100644
--- a/include/asm-m32r/sigcontext.h
+++ b/include/asm-m32r/sigcontext.h
@@ -32,6 +32,8 @@ struct sigcontext {
32#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) 32#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
33 unsigned long sc_acch; 33 unsigned long sc_acch;
34 unsigned long sc_accl; 34 unsigned long sc_accl;
35 unsigned long sc_dummy_acc1h;
36 unsigned long sc_dummy_acc1l;
35#else 37#else
36#error unknown isa configuration 38#error unknown isa configuration
37#endif 39#endif
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index c5ab5da56d21..e55013f378e5 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -6,8 +6,8 @@
6 * License. See the file "COPYING" in the main directory of this archive 6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details. 7 * for more details.
8 * 8 *
9 * Copyright (C) 2001 by Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto 9 * Copyright (C) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
10 * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org> 10 * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
11 */ 11 */
12 12
13#include <linux/config.h> 13#include <linux/config.h>
@@ -19,49 +19,28 @@
19 * switch_to(prev, next) should switch from task `prev' to `next' 19 * switch_to(prev, next) should switch from task `prev' to `next'
20 * `prev' will never be the same as `next'. 20 * `prev' will never be the same as `next'.
21 * 21 *
22 * `next' and `prev' should be struct task_struct, but it isn't always defined 22 * `next' and `prev' should be task_t, but it isn't always defined
23 */ 23 */
24 24
25#define switch_to(prev, next, last) do { \ 25#define switch_to(prev, next, last) do { \
26 register unsigned long arg0 __asm__ ("r0") = (unsigned long)prev; \
27 register unsigned long arg1 __asm__ ("r1") = (unsigned long)next; \
28 register unsigned long *oldsp __asm__ ("r2") = &(prev->thread.sp); \
29 register unsigned long *newsp __asm__ ("r3") = &(next->thread.sp); \
30 register unsigned long *oldlr __asm__ ("r4") = &(prev->thread.lr); \
31 register unsigned long *newlr __asm__ ("r5") = &(next->thread.lr); \
32 register struct task_struct *__last __asm__ ("r6"); \
33 __asm__ __volatile__ ( \ 26 __asm__ __volatile__ ( \
34 "st r8, @-r15 \n\t" \ 27 " seth lr, #high(1f) \n" \
35 "st r9, @-r15 \n\t" \ 28 " or3 lr, lr, #low(1f) \n" \
36 "st r10, @-r15 \n\t" \ 29 " st lr, @%4 ; store old LR \n" \
37 "st r11, @-r15 \n\t" \ 30 " ld lr, @%5 ; load new LR \n" \
38 "st r12, @-r15 \n\t" \ 31 " st sp, @%2 ; store old SP \n" \
39 "st r13, @-r15 \n\t" \ 32 " ld sp, @%3 ; load new SP \n" \
40 "st r14, @-r15 \n\t" \ 33 " push %1 ; store `prev' on new stack \n" \
41 "seth r14, #high(1f) \n\t" \ 34 " jmp lr \n" \
42 "or3 r14, r14, #low(1f) \n\t" \ 35 " .fillinsn \n" \
43 "st r14, @r4 ; store old LR \n\t" \ 36 "1: \n" \
44 "st r15, @r2 ; store old SP \n\t" \ 37 " pop %0 ; restore `__last' from new stack \n" \
45 "ld r15, @r3 ; load new SP \n\t" \ 38 : "=r" (last) \
46 "st r0, @-r15 ; store 'prev' onto new stack \n\t" \ 39 : "0" (prev), \
47 "ld r14, @r5 ; load new LR \n\t" \ 40 "r" (&(prev->thread.sp)), "r" (&(next->thread.sp)), \
48 "jmp r14 \n\t" \ 41 "r" (&(prev->thread.lr)), "r" (&(next->thread.lr)) \
49 ".fillinsn \n " \ 42 : "memory", "lr" \
50 "1: \n\t" \
51 "ld r6, @r15+ ; load 'prev' from new stack \n\t" \
52 "ld r14, @r15+ \n\t" \
53 "ld r13, @r15+ \n\t" \
54 "ld r12, @r15+ \n\t" \
55 "ld r11, @r15+ \n\t" \
56 "ld r10, @r15+ \n\t" \
57 "ld r9, @r15+ \n\t" \
58 "ld r8, @r15+ \n\t" \
59 : "=&r" (__last) \
60 : "r" (arg0), "r" (arg1), "r" (oldsp), "r" (newsp), \
61 "r" (oldlr), "r" (newlr) \
62 : "memory" \
63 ); \ 43 ); \
64 last = __last; \
65} while(0) 44} while(0)
66 45
67/* 46/*
@@ -167,8 +146,8 @@ extern void __xchg_called_with_bad_pointer(void);
167#define DCACHE_CLEAR(reg0, reg1, addr) 146#define DCACHE_CLEAR(reg0, reg1, addr)
168#endif /* CONFIG_CHIP_M32700_TS1 */ 147#endif /* CONFIG_CHIP_M32700_TS1 */
169 148
170static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr, 149static inline unsigned long
171 int size) 150__xchg(unsigned long x, volatile void * ptr, int size)
172{ 151{
173 unsigned long flags; 152 unsigned long flags;
174 unsigned long tmp = 0; 153 unsigned long tmp = 0;
@@ -220,7 +199,7 @@ static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr,
220 199
221#define __HAVE_ARCH_CMPXCHG 1 200#define __HAVE_ARCH_CMPXCHG 1
222 201
223static __inline__ unsigned long 202static inline unsigned long
224__cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new) 203__cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
225{ 204{
226 unsigned long flags; 205 unsigned long flags;
@@ -254,7 +233,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
254 if something tries to do an invalid cmpxchg(). */ 233 if something tries to do an invalid cmpxchg(). */
255extern void __cmpxchg_called_with_bad_pointer(void); 234extern void __cmpxchg_called_with_bad_pointer(void);
256 235
257static __inline__ unsigned long 236static inline unsigned long
258__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) 237__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
259{ 238{
260 switch (size) { 239 switch (size) {
diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h
index 4405b4adeaba..7f33aaf9f7b1 100644
--- a/include/asm-x86_64/percpu.h
+++ b/include/asm-x86_64/percpu.h
@@ -26,7 +26,7 @@
26#define percpu_modcopy(pcpudst, src, size) \ 26#define percpu_modcopy(pcpudst, src, size) \
27do { \ 27do { \
28 unsigned int __i; \ 28 unsigned int __i; \
29 for_each_cpu(__i) \ 29 for_each_possible_cpu(__i) \
30 memcpy((pcpudst)+__per_cpu_offset(__i), \ 30 memcpy((pcpudst)+__per_cpu_offset(__i), \
31 (src), (size)); \ 31 (src), (size)); \
32} while (0) 32} while (0)
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 8d2db412ba9c..a8bef1d1371c 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1220,7 +1220,6 @@ typedef struct ide_pci_enablebit_s {
1220enum { 1220enum {
1221 /* Uses ISA control ports not PCI ones. */ 1221 /* Uses ISA control ports not PCI ones. */
1222 IDEPCI_FLAG_ISA_PORTS = (1 << 0), 1222 IDEPCI_FLAG_ISA_PORTS = (1 << 0),
1223 IDEPCI_FLAG_FORCE_PDC = (1 << 1),
1224}; 1223};
1225 1224
1226typedef struct ide_pci_device_s { 1225typedef struct ide_pci_device_s {
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 8d03e10212f5..d6fe048376ab 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -356,6 +356,10 @@
356#define PCI_DEVICE_ID_ATI_IXP300_SATA 0x436e 356#define PCI_DEVICE_ID_ATI_IXP300_SATA 0x436e
357#define PCI_DEVICE_ID_ATI_IXP400_IDE 0x4376 357#define PCI_DEVICE_ID_ATI_IXP400_IDE 0x4376
358#define PCI_DEVICE_ID_ATI_IXP400_SATA 0x4379 358#define PCI_DEVICE_ID_ATI_IXP400_SATA 0x4379
359#define PCI_DEVICE_ID_ATI_IXP400_SATA2 0x437a
360#define PCI_DEVICE_ID_ATI_IXP600_SATA 0x4380
361#define PCI_DEVICE_ID_ATI_IXP600_SRAID 0x4381
362#define PCI_DEVICE_ID_ATI_IXP600_IDE 0x438c
359 363
360#define PCI_VENDOR_ID_VLSI 0x1004 364#define PCI_VENDOR_ID_VLSI 0x1004
361#define PCI_DEVICE_ID_VLSI_82C592 0x0005 365#define PCI_DEVICE_ID_VLSI_82C592 0x0005
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b7d31e2e1729..29b7d4f87d20 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1192,8 +1192,7 @@ extern void wait_task_inactive(task_t * p);
1192#define remove_parent(p) list_del_init(&(p)->sibling) 1192#define remove_parent(p) list_del_init(&(p)->sibling)
1193#define add_parent(p) list_add_tail(&(p)->sibling,&(p)->parent->children) 1193#define add_parent(p) list_add_tail(&(p)->sibling,&(p)->parent->children)
1194 1194
1195#define next_task(p) list_entry((p)->tasks.next, struct task_struct, tasks) 1195#define next_task(p) list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)
1196#define prev_task(p) list_entry((p)->tasks.prev, struct task_struct, tasks)
1197 1196
1198#define for_each_process(p) \ 1197#define for_each_process(p) \
1199 for (p = &init_task ; (p = next_task(p)) != &init_task ; ) 1198 for (p = &init_task ; (p = next_task(p)) != &init_task ; )
diff --git a/kernel/exit.c b/kernel/exit.c
index 1a9787ac6173..f86434d7b3d1 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -56,7 +56,7 @@ static void __unhash_process(struct task_struct *p)
56 detach_pid(p, PIDTYPE_PGID); 56 detach_pid(p, PIDTYPE_PGID);
57 detach_pid(p, PIDTYPE_SID); 57 detach_pid(p, PIDTYPE_SID);
58 58
59 list_del_init(&p->tasks); 59 list_del_rcu(&p->tasks);
60 __get_cpu_var(process_counts)--; 60 __get_cpu_var(process_counts)--;
61 } 61 }
62 list_del_rcu(&p->thread_group); 62 list_del_rcu(&p->thread_group);
diff --git a/kernel/fork.c b/kernel/fork.c
index 54b15f8cda53..34515772611e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1204,7 +1204,7 @@ static task_t *copy_process(unsigned long clone_flags,
1204 attach_pid(p, PIDTYPE_PGID, process_group(p)); 1204 attach_pid(p, PIDTYPE_PGID, process_group(p));
1205 attach_pid(p, PIDTYPE_SID, p->signal->session); 1205 attach_pid(p, PIDTYPE_SID, p->signal->session);
1206 1206
1207 list_add_tail(&p->tasks, &init_task.tasks); 1207 list_add_tail_rcu(&p->tasks, &init_task.tasks);
1208 __get_cpu_var(process_counts)++; 1208 __get_cpu_var(process_counts)++;
1209 } 1209 }
1210 attach_pid(p, PIDTYPE_PID, p->pid); 1210 attach_pid(p, PIDTYPE_PID, p->pid);
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index c5863d02c89e..3eeedbb13b78 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -240,14 +240,15 @@ static void copy_data_pages(struct pbe *pblist)
240 * free_pagedir - free pages allocated with alloc_pagedir() 240 * free_pagedir - free pages allocated with alloc_pagedir()
241 */ 241 */
242 242
243static void free_pagedir(struct pbe *pblist) 243static void free_pagedir(struct pbe *pblist, int clear_nosave_free)
244{ 244{
245 struct pbe *pbe; 245 struct pbe *pbe;
246 246
247 while (pblist) { 247 while (pblist) {
248 pbe = (pblist + PB_PAGE_SKIP)->next; 248 pbe = (pblist + PB_PAGE_SKIP)->next;
249 ClearPageNosave(virt_to_page(pblist)); 249 ClearPageNosave(virt_to_page(pblist));
250 ClearPageNosaveFree(virt_to_page(pblist)); 250 if (clear_nosave_free)
251 ClearPageNosaveFree(virt_to_page(pblist));
251 free_page((unsigned long)pblist); 252 free_page((unsigned long)pblist);
252 pblist = pbe; 253 pblist = pbe;
253 } 254 }
@@ -389,7 +390,7 @@ struct pbe *alloc_pagedir(unsigned int nr_pages, gfp_t gfp_mask, int safe_needed
389 pbe->next = alloc_image_page(gfp_mask, safe_needed); 390 pbe->next = alloc_image_page(gfp_mask, safe_needed);
390 } 391 }
391 if (!pbe) { /* get_zeroed_page() failed */ 392 if (!pbe) { /* get_zeroed_page() failed */
392 free_pagedir(pblist); 393 free_pagedir(pblist, 1);
393 pblist = NULL; 394 pblist = NULL;
394 } else 395 } else
395 create_pbe_list(pblist, nr_pages); 396 create_pbe_list(pblist, nr_pages);
@@ -736,7 +737,7 @@ static int create_image(struct snapshot_handle *handle)
736 pblist = alloc_pagedir(nr_copy_pages, GFP_ATOMIC, 1); 737 pblist = alloc_pagedir(nr_copy_pages, GFP_ATOMIC, 1);
737 if (pblist) 738 if (pblist)
738 copy_page_backup_list(pblist, p); 739 copy_page_backup_list(pblist, p);
739 free_pagedir(p); 740 free_pagedir(p, 0);
740 if (!pblist) 741 if (!pblist)
741 error = -ENOMEM; 742 error = -ENOMEM;
742 } 743 }
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d57fd9181b18..6ecc180beb71 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -101,7 +101,7 @@ config DEBUG_PREEMPT
101 101
102config DEBUG_MUTEXES 102config DEBUG_MUTEXES
103 bool "Mutex debugging, deadlock detection" 103 bool "Mutex debugging, deadlock detection"
104 default y 104 default n
105 depends on DEBUG_KERNEL 105 depends on DEBUG_KERNEL
106 help 106 help
107 This allows mutex semantics violations and mutex related deadlocks 107 This allows mutex semantics violations and mutex related deadlocks
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 78747afad6b0..042e6436c3ee 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -46,15 +46,25 @@
46unsigned long badness(struct task_struct *p, unsigned long uptime) 46unsigned long badness(struct task_struct *p, unsigned long uptime)
47{ 47{
48 unsigned long points, cpu_time, run_time, s; 48 unsigned long points, cpu_time, run_time, s;
49 struct list_head *tsk; 49 struct mm_struct *mm;
50 struct task_struct *child;
50 51
51 if (!p->mm) 52 task_lock(p);
53 mm = p->mm;
54 if (!mm) {
55 task_unlock(p);
52 return 0; 56 return 0;
57 }
53 58
54 /* 59 /*
55 * The memory size of the process is the basis for the badness. 60 * The memory size of the process is the basis for the badness.
56 */ 61 */
57 points = p->mm->total_vm; 62 points = mm->total_vm;
63
64 /*
65 * After this unlock we can no longer dereference local variable `mm'
66 */
67 task_unlock(p);
58 68
59 /* 69 /*
60 * Processes which fork a lot of child processes are likely 70 * Processes which fork a lot of child processes are likely
@@ -64,11 +74,11 @@ unsigned long badness(struct task_struct *p, unsigned long uptime)
64 * child is eating the vast majority of memory, adding only half 74 * child is eating the vast majority of memory, adding only half
65 * to the parents will make the child our kill candidate of choice. 75 * to the parents will make the child our kill candidate of choice.
66 */ 76 */
67 list_for_each(tsk, &p->children) { 77 list_for_each_entry(child, &p->children, sibling) {
68 struct task_struct *chld; 78 task_lock(child);
69 chld = list_entry(tsk, struct task_struct, sibling); 79 if (child->mm != mm && child->mm)
70 if (chld->mm != p->mm && chld->mm) 80 points += child->mm->total_vm/2 + 1;
71 points += chld->mm->total_vm/2 + 1; 81 task_unlock(child);
72 } 82 }
73 83
74 /* 84 /*
@@ -244,17 +254,24 @@ static void __oom_kill_task(task_t *p, const char *message)
244 force_sig(SIGKILL, p); 254 force_sig(SIGKILL, p);
245} 255}
246 256
247static struct mm_struct *oom_kill_task(task_t *p, const char *message) 257static int oom_kill_task(task_t *p, const char *message)
248{ 258{
249 struct mm_struct *mm = get_task_mm(p); 259 struct mm_struct *mm;
250 task_t * g, * q; 260 task_t * g, * q;
251 261
252 if (!mm) 262 mm = p->mm;
253 return NULL; 263
254 if (mm == &init_mm) { 264 /* WARNING: mm may not be dereferenced since we did not obtain its
255 mmput(mm); 265 * value from get_task_mm(p). This is OK since all we need to do is
256 return NULL; 266 * compare mm to q->mm below.
257 } 267 *
268 * Furthermore, even if mm contains a non-NULL value, p->mm may
269 * change to NULL at any time since we do not hold task_lock(p).
270 * However, this is of no concern to us.
271 */
272
273 if (mm == NULL || mm == &init_mm)
274 return 1;
258 275
259 __oom_kill_task(p, message); 276 __oom_kill_task(p, message);
260 /* 277 /*
@@ -266,13 +283,12 @@ static struct mm_struct *oom_kill_task(task_t *p, const char *message)
266 __oom_kill_task(q, message); 283 __oom_kill_task(q, message);
267 while_each_thread(g, q); 284 while_each_thread(g, q);
268 285
269 return mm; 286 return 0;
270} 287}
271 288
272static struct mm_struct *oom_kill_process(struct task_struct *p, 289static int oom_kill_process(struct task_struct *p, unsigned long points,
273 unsigned long points, const char *message) 290 const char *message)
274{ 291{
275 struct mm_struct *mm;
276 struct task_struct *c; 292 struct task_struct *c;
277 struct list_head *tsk; 293 struct list_head *tsk;
278 294
@@ -283,9 +299,8 @@ static struct mm_struct *oom_kill_process(struct task_struct *p,
283 c = list_entry(tsk, struct task_struct, sibling); 299 c = list_entry(tsk, struct task_struct, sibling);
284 if (c->mm == p->mm) 300 if (c->mm == p->mm)
285 continue; 301 continue;
286 mm = oom_kill_task(c, message); 302 if (!oom_kill_task(c, message))
287 if (mm) 303 return 0;
288 return mm;
289 } 304 }
290 return oom_kill_task(p, message); 305 return oom_kill_task(p, message);
291} 306}
@@ -300,7 +315,6 @@ static struct mm_struct *oom_kill_process(struct task_struct *p,
300 */ 315 */
301void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order) 316void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order)
302{ 317{
303 struct mm_struct *mm = NULL;
304 task_t *p; 318 task_t *p;
305 unsigned long points = 0; 319 unsigned long points = 0;
306 320
@@ -320,12 +334,12 @@ void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order)
320 */ 334 */
321 switch (constrained_alloc(zonelist, gfp_mask)) { 335 switch (constrained_alloc(zonelist, gfp_mask)) {
322 case CONSTRAINT_MEMORY_POLICY: 336 case CONSTRAINT_MEMORY_POLICY:
323 mm = oom_kill_process(current, points, 337 oom_kill_process(current, points,
324 "No available memory (MPOL_BIND)"); 338 "No available memory (MPOL_BIND)");
325 break; 339 break;
326 340
327 case CONSTRAINT_CPUSET: 341 case CONSTRAINT_CPUSET:
328 mm = oom_kill_process(current, points, 342 oom_kill_process(current, points,
329 "No available memory in cpuset"); 343 "No available memory in cpuset");
330 break; 344 break;
331 345
@@ -347,8 +361,7 @@ retry:
347 panic("Out of memory and no killable processes...\n"); 361 panic("Out of memory and no killable processes...\n");
348 } 362 }
349 363
350 mm = oom_kill_process(p, points, "Out of memory"); 364 if (oom_kill_process(p, points, "Out of memory"))
351 if (!mm)
352 goto retry; 365 goto retry;
353 366
354 break; 367 break;
@@ -357,8 +370,6 @@ retry:
357out: 370out:
358 read_unlock(&tasklist_lock); 371 read_unlock(&tasklist_lock);
359 cpuset_unlock(); 372 cpuset_unlock();
360 if (mm)
361 mmput(mm);
362 373
363 /* 374 /*
364 * Give "p" a good chance of killing itself before we 375 * Give "p" a good chance of killing itself before we
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 97d6827c7d66..123c60586740 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -232,11 +232,13 @@ static inline void prep_zero_page(struct page *page, int order, gfp_t gfp_flags)
232 * zone->lock is already acquired when we use these. 232 * zone->lock is already acquired when we use these.
233 * So, we don't need atomic page->flags operations here. 233 * So, we don't need atomic page->flags operations here.
234 */ 234 */
235static inline unsigned long page_order(struct page *page) { 235static inline unsigned long page_order(struct page *page)
236{
236 return page_private(page); 237 return page_private(page);
237} 238}
238 239
239static inline void set_page_order(struct page *page, int order) { 240static inline void set_page_order(struct page *page, int order)
241{
240 set_page_private(page, order); 242 set_page_private(page, order);
241 __SetPageBuddy(page); 243 __SetPageBuddy(page);
242} 244}
@@ -299,9 +301,9 @@ static inline int page_is_buddy(struct page *page, int order)
299 301
300 if (PageBuddy(page) && page_order(page) == order) { 302 if (PageBuddy(page) && page_order(page) == order) {
301 BUG_ON(page_count(page) != 0); 303 BUG_ON(page_count(page) != 0);
302 return 1; 304 return 1;
303 } 305 }
304 return 0; 306 return 0;
305} 307}
306 308
307/* 309/*
diff --git a/mm/slob.c b/mm/slob.c
index 9bcc7e2cabfd..a68255ba4553 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -354,9 +354,7 @@ void *__alloc_percpu(size_t size)
354 if (!pdata) 354 if (!pdata)
355 return NULL; 355 return NULL;
356 356
357 for (i = 0; i < NR_CPUS; i++) { 357 for_each_possible_cpu(i) {
358 if (!cpu_possible(i))
359 continue;
360 pdata->ptrs[i] = kmalloc(size, GFP_KERNEL); 358 pdata->ptrs[i] = kmalloc(size, GFP_KERNEL);
361 if (!pdata->ptrs[i]) 359 if (!pdata->ptrs[i])
362 goto unwind_oom; 360 goto unwind_oom;
@@ -383,11 +381,9 @@ free_percpu(const void *objp)
383 int i; 381 int i;
384 struct percpu_data *p = (struct percpu_data *) (~(unsigned long) objp); 382 struct percpu_data *p = (struct percpu_data *) (~(unsigned long) objp);
385 383
386 for (i = 0; i < NR_CPUS; i++) { 384 for_each_possible_cpu(i)
387 if (!cpu_possible(i))
388 continue;
389 kfree(p->ptrs[i]); 385 kfree(p->ptrs[i]);
390 } 386
391 kfree(p); 387 kfree(p);
392} 388}
393EXPORT_SYMBOL(free_percpu); 389EXPORT_SYMBOL(free_percpu);
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index ae5ab981bb1d..8012d1076876 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -5,6 +5,7 @@
5 5
6#include <ctype.h> 6#include <ctype.h>
7#include <stdlib.h> 7#include <stdlib.h>
8#include <stdio.h>
8#include <string.h> 9#include <string.h>
9#include <unistd.h> 10#include <unistd.h>
10#include <time.h> 11#include <time.h>
@@ -531,7 +532,7 @@ int main(int ac, char **av)
531 break; 532 break;
532 case 'h': 533 case 'h':
533 case '?': 534 case '?':
534 printf("%s [-o|-s] config\n", av[0]); 535 fprintf(stderr, "See README for usage info\n");
535 exit(0); 536 exit(0);
536 } 537 }
537 } 538 }
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index 640d0bfdbc68..84047f69f9c1 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -264,7 +264,7 @@ int mls_context_to_sid(char oldc,
264 264
265 if (!selinux_mls_enabled) { 265 if (!selinux_mls_enabled) {
266 if (def_sid != SECSID_NULL && oldc) 266 if (def_sid != SECSID_NULL && oldc)
267 *scontext += strlen(*scontext); 267 *scontext += strlen(*scontext)+1;
268 return 0; 268 return 0;
269 } 269 }
270 270
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index 33dbcbf77c5b..83acd6cc0b3c 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -471,6 +471,7 @@ int main (int argc, char *argv[])
471 "ERROR: incorrect format, could not locate file type line %d: '%s'\n", 471 "ERROR: incorrect format, could not locate file type line %d: '%s'\n",
472 line_nr, line); 472 line_nr, line);
473 ec = -1; 473 ec = -1;
474 break;
474 } 475 }
475 476
476 if ('\n' == *type) { 477 if ('\n' == *type) {
@@ -506,7 +507,8 @@ int main (int argc, char *argv[])
506 line_nr, line); 507 line_nr, line);
507 } 508 }
508 } 509 }
509 cpio_trailer(); 510 if (ec == 0)
511 cpio_trailer();
510 512
511 exit(ec); 513 exit(ec);
512} 514}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-19 13:30:07 -0500