aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-09-19 14:09:23 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-09-19 14:09:23 -0400
commit2422084a94fcd5038406261b331672a13c92c050 (patch)
tree18b8aede90f388b9e2808b1517a105ad5171e6ac
parent81cef8e38babd1dd07eb53fccc956620a1b4f32e (diff)
parent494486a1d2697f2153199b6501ab5b4d6e15a2bb (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6: alpha: deal with multiple simultaneously pending signals alpha: fix a 14 years old bug in sigreturn tracing alpha: unb0rk sigsuspend() and rt_sigsuspend() alpha: belated ERESTART_RESTARTBLOCK race fix alpha: Shift perf event pending work earlier in timer interrupt alpha: wire up fanotify and prlimit64 syscalls alpha: kill big kernel lock alpha: fix build breakage in asm/cacheflush.h alpha: remove unnecessary cast from void* in assignment. alpha: Use static const char * const where possible
Diffstat
-rw-r--r--arch/alpha/include/asm/cacheflush.h2
-rw-r--r--arch/alpha/include/asm/unistd.h6
-rw-r--r--arch/alpha/kernel/entry.S61
-rw-r--r--arch/alpha/kernel/err_ev6.c12
-rw-r--r--arch/alpha/kernel/err_marvel.c33
-rw-r--r--arch/alpha/kernel/err_titan.c35
-rw-r--r--arch/alpha/kernel/osf_sys.c9
-rw-r--r--arch/alpha/kernel/pci-sysfs.c2
-rw-r--r--arch/alpha/kernel/signal.c41
-rw-r--r--arch/alpha/kernel/srm_env.c2
-rw-r--r--arch/alpha/kernel/systbls.S3
-rw-r--r--arch/alpha/kernel/time.c10
-rw-r--r--arch/alpha/kernel/traps.c3
13 files changed, 88 insertions, 131 deletions
diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
index 01d71e1c8a9e..012f1243b1c1 100644
--- a/arch/alpha/include/asm/cacheflush.h
+++ b/arch/alpha/include/asm/cacheflush.h
@@ -43,6 +43,8 @@ extern void smp_imb(void);
43/* ??? Ought to use this in arch/alpha/kernel/signal.c too. */ 43/* ??? Ought to use this in arch/alpha/kernel/signal.c too. */
44 44
45#ifndef CONFIG_SMP 45#ifndef CONFIG_SMP
46#include <linux/sched.h>
47
46extern void __load_new_mm_context(struct mm_struct *); 48extern void __load_new_mm_context(struct mm_struct *);
47static inline void 49static inline void
48flush_icache_user_range(struct vm_area_struct *vma, struct page *page, 50flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index 804e5311c841..058937bf5a77 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -449,10 +449,13 @@
449#define __NR_pwritev 491 449#define __NR_pwritev 491
450#define __NR_rt_tgsigqueueinfo 492 450#define __NR_rt_tgsigqueueinfo 492
451#define __NR_perf_event_open 493 451#define __NR_perf_event_open 493
452#define __NR_fanotify_init 494
453#define __NR_fanotify_mark 495
454#define __NR_prlimit64 496
452 455
453#ifdef __KERNEL__ 456#ifdef __KERNEL__
454 457
455#define NR_SYSCALLS 494 458#define NR_SYSCALLS 497
456 459
457#define __ARCH_WANT_IPC_PARSE_VERSION 460#define __ARCH_WANT_IPC_PARSE_VERSION
458#define __ARCH_WANT_OLD_READDIR 461#define __ARCH_WANT_OLD_READDIR
@@ -463,6 +466,7 @@
463#define __ARCH_WANT_SYS_OLD_GETRLIMIT 466#define __ARCH_WANT_SYS_OLD_GETRLIMIT
464#define __ARCH_WANT_SYS_OLDUMOUNT 467#define __ARCH_WANT_SYS_OLDUMOUNT
465#define __ARCH_WANT_SYS_SIGPENDING 468#define __ARCH_WANT_SYS_SIGPENDING
469#define __ARCH_WANT_SYS_RT_SIGSUSPEND
466 470
467/* "Conditional" syscalls. What we want is 471/* "Conditional" syscalls. What we want is
468 472
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index b45d913a51c3..ab1ee0ab082b 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -317,14 +317,14 @@ ret_from_sys_call:
317 ldq $0, SP_OFF($sp) 317 ldq $0, SP_OFF($sp)
318 and $0, 8, $0 318 and $0, 8, $0
319 beq $0, restore_all 319 beq $0, restore_all
320ret_from_reschedule: 320ret_to_user:
321 /* Make sure need_resched and sigpending don't change between 321 /* Make sure need_resched and sigpending don't change between
322 sampling and the rti. */ 322 sampling and the rti. */
323 lda $16, 7 323 lda $16, 7
324 call_pal PAL_swpipl 324 call_pal PAL_swpipl
325 ldl $5, TI_FLAGS($8) 325 ldl $5, TI_FLAGS($8)
326 and $5, _TIF_WORK_MASK, $2 326 and $5, _TIF_WORK_MASK, $2
327 bne $5, work_pending 327 bne $2, work_pending
328restore_all: 328restore_all:
329 RESTORE_ALL 329 RESTORE_ALL
330 call_pal PAL_rti 330 call_pal PAL_rti
@@ -363,7 +363,7 @@ $ret_success:
363 * $8: current. 363 * $8: current.
364 * $19: The old syscall number, or zero if this is not a return 364 * $19: The old syscall number, or zero if this is not a return
365 * from a syscall that errored and is possibly restartable. 365 * from a syscall that errored and is possibly restartable.
366 * $20: Error indication. 366 * $20: The old a3 value
367 */ 367 */
368 368
369 .align 4 369 .align 4
@@ -392,12 +392,18 @@ $work_resched:
392 392
393$work_notifysig: 393$work_notifysig:
394 mov $sp, $16 394 mov $sp, $16
395 br $1, do_switch_stack 395 bsr $1, do_switch_stack
396 mov $sp, $17 396 mov $sp, $17
397 mov $5, $18 397 mov $5, $18
398 mov $19, $9 /* save old syscall number */
399 mov $20, $10 /* save old a3 */
400 and $5, _TIF_SIGPENDING, $2
401 cmovne $2, 0, $9 /* we don't want double syscall restarts */
398 jsr $26, do_notify_resume 402 jsr $26, do_notify_resume
403 mov $9, $19
404 mov $10, $20
399 bsr $1, undo_switch_stack 405 bsr $1, undo_switch_stack
400 br restore_all 406 br ret_to_user
401.end work_pending 407.end work_pending
402 408
403/* 409/*
@@ -430,6 +436,7 @@ strace:
430 beq $1, 1f 436 beq $1, 1f
431 ldq $27, 0($2) 437 ldq $27, 0($2)
4321: jsr $26, ($27), sys_gettimeofday 4381: jsr $26, ($27), sys_gettimeofday
439ret_from_straced:
433 ldgp $gp, 0($26) 440 ldgp $gp, 0($26)
434 441
435 /* check return.. */ 442 /* check return.. */
@@ -757,11 +764,15 @@ sys_vfork:
757 .ent sys_sigreturn 764 .ent sys_sigreturn
758sys_sigreturn: 765sys_sigreturn:
759 .prologue 0 766 .prologue 0
767 lda $9, ret_from_straced
768 cmpult $26, $9, $9
760 mov $sp, $17 769 mov $sp, $17
761 lda $18, -SWITCH_STACK_SIZE($sp) 770 lda $18, -SWITCH_STACK_SIZE($sp)
762 lda $sp, -SWITCH_STACK_SIZE($sp) 771 lda $sp, -SWITCH_STACK_SIZE($sp)
763 jsr $26, do_sigreturn 772 jsr $26, do_sigreturn
764 br $1, undo_switch_stack 773 bne $9, 1f
774 jsr $26, syscall_trace
7751: br $1, undo_switch_stack
765 br ret_from_sys_call 776 br ret_from_sys_call
766.end sys_sigreturn 777.end sys_sigreturn
767 778
@@ -770,47 +781,19 @@ sys_sigreturn:
770 .ent sys_rt_sigreturn 781 .ent sys_rt_sigreturn
771sys_rt_sigreturn: 782sys_rt_sigreturn:
772 .prologue 0 783 .prologue 0
784 lda $9, ret_from_straced
785 cmpult $26, $9, $9
773 mov $sp, $17 786 mov $sp, $17
774 lda $18, -SWITCH_STACK_SIZE($sp) 787 lda $18, -SWITCH_STACK_SIZE($sp)
775 lda $sp, -SWITCH_STACK_SIZE($sp) 788 lda $sp, -SWITCH_STACK_SIZE($sp)
776 jsr $26, do_rt_sigreturn 789 jsr $26, do_rt_sigreturn
777 br $1, undo_switch_stack 790 bne $9, 1f
791 jsr $26, syscall_trace
7921: br $1, undo_switch_stack
778 br ret_from_sys_call 793 br ret_from_sys_call
779.end sys_rt_sigreturn 794.end sys_rt_sigreturn
780 795
781 .align 4 796 .align 4
782 .globl sys_sigsuspend
783 .ent sys_sigsuspend
784sys_sigsuspend:
785 .prologue 0
786 mov $sp, $17
787 br $1, do_switch_stack
788 mov $sp, $18
789 subq $sp, 16, $sp
790 stq $26, 0($sp)
791 jsr $26, do_sigsuspend
792 ldq $26, 0($sp)
793 lda $sp, SWITCH_STACK_SIZE+16($sp)
794 ret
795.end sys_sigsuspend
796
797 .align 4
798 .globl sys_rt_sigsuspend
799 .ent sys_rt_sigsuspend
800sys_rt_sigsuspend:
801 .prologue 0
802 mov $sp, $18
803 br $1, do_switch_stack
804 mov $sp, $19
805 subq $sp, 16, $sp
806 stq $26, 0($sp)
807 jsr $26, do_rt_sigsuspend
808 ldq $26, 0($sp)
809 lda $sp, SWITCH_STACK_SIZE+16($sp)
810 ret
811.end sys_rt_sigsuspend
812
813 .align 4
814 .globl sys_sethae 797 .globl sys_sethae
815 .ent sys_sethae 798 .ent sys_sethae
816sys_sethae: 799sys_sethae:
diff --git a/arch/alpha/kernel/err_ev6.c b/arch/alpha/kernel/err_ev6.c
index 8ca6345bf131..253cf1a87481 100644
--- a/arch/alpha/kernel/err_ev6.c
+++ b/arch/alpha/kernel/err_ev6.c
@@ -90,11 +90,13 @@ static int
90ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn, 90ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn,
91 u64 c_stat, u64 c_sts, int print) 91 u64 c_stat, u64 c_sts, int print)
92{ 92{
93 char *sourcename[] = { "UNKNOWN", "UNKNOWN", "UNKNOWN", 93 static const char * const sourcename[] = {
94 "MEMORY", "BCACHE", "DCACHE", 94 "UNKNOWN", "UNKNOWN", "UNKNOWN",
95 "BCACHE PROBE", "BCACHE PROBE" }; 95 "MEMORY", "BCACHE", "DCACHE",
96 char *streamname[] = { "D", "I" }; 96 "BCACHE PROBE", "BCACHE PROBE"
97 char *bitsname[] = { "SINGLE", "DOUBLE" }; 97 };
98 static const char * const streamname[] = { "D", "I" };
99 static const char * const bitsname[] = { "SINGLE", "DOUBLE" };
98 int status = MCHK_DISPOSITION_REPORT; 100 int status = MCHK_DISPOSITION_REPORT;
99 int source = -1, stream = -1, bits = -1; 101 int source = -1, stream = -1, bits = -1;
100 102
diff --git a/arch/alpha/kernel/err_marvel.c b/arch/alpha/kernel/err_marvel.c
index 5c905aaaeccd..648ae88aeb8a 100644
--- a/arch/alpha/kernel/err_marvel.c
+++ b/arch/alpha/kernel/err_marvel.c
@@ -589,22 +589,23 @@ marvel_print_pox_spl_cmplt(u64 spl_cmplt)
589static void 589static void
590marvel_print_pox_trans_sum(u64 trans_sum) 590marvel_print_pox_trans_sum(u64 trans_sum)
591{ 591{
592 char *pcix_cmd[] = { "Interrupt Acknowledge", 592 static const char * const pcix_cmd[] = {
593 "Special Cycle", 593 "Interrupt Acknowledge",
594 "I/O Read", 594 "Special Cycle",
595 "I/O Write", 595 "I/O Read",
596 "Reserved", 596 "I/O Write",
597 "Reserved / Device ID Message", 597 "Reserved",
598 "Memory Read", 598 "Reserved / Device ID Message",
599 "Memory Write", 599 "Memory Read",
600 "Reserved / Alias to Memory Read Block", 600 "Memory Write",
601 "Reserved / Alias to Memory Write Block", 601 "Reserved / Alias to Memory Read Block",
602 "Configuration Read", 602 "Reserved / Alias to Memory Write Block",
603 "Configuration Write", 603 "Configuration Read",
604 "Memory Read Multiple / Split Completion", 604 "Configuration Write",
605 "Dual Address Cycle", 605 "Memory Read Multiple / Split Completion",
606 "Memory Read Line / Memory Read Block", 606 "Dual Address Cycle",
607 "Memory Write and Invalidate / Memory Write Block" 607 "Memory Read Line / Memory Read Block",
608 "Memory Write and Invalidate / Memory Write Block"
608 }; 609 };
609 610
610#define IO7__POX_TRANSUM__PCI_ADDR__S (0) 611#define IO7__POX_TRANSUM__PCI_ADDR__S (0)
diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c
index f7ed97ce0dfd..c3b3781a03de 100644
--- a/arch/alpha/kernel/err_titan.c
+++ b/arch/alpha/kernel/err_titan.c
@@ -75,8 +75,12 @@ titan_parse_p_serror(int which, u64 serror, int print)
75 int status = MCHK_DISPOSITION_REPORT; 75 int status = MCHK_DISPOSITION_REPORT;
76 76
77#ifdef CONFIG_VERBOSE_MCHECK 77#ifdef CONFIG_VERBOSE_MCHECK
78 char *serror_src[] = {"GPCI", "APCI", "AGP HP", "AGP LP"}; 78 static const char * const serror_src[] = {
79 char *serror_cmd[] = {"DMA Read", "DMA RMW", "SGTE Read", "Reserved"}; 79 "GPCI", "APCI", "AGP HP", "AGP LP"
80 };
81 static const char * const serror_cmd[] = {
82 "DMA Read", "DMA RMW", "SGTE Read", "Reserved"
83 };
80#endif /* CONFIG_VERBOSE_MCHECK */ 84#endif /* CONFIG_VERBOSE_MCHECK */
81 85
82#define TITAN__PCHIP_SERROR__LOST_UECC (1UL << 0) 86#define TITAN__PCHIP_SERROR__LOST_UECC (1UL << 0)
@@ -140,14 +144,15 @@ titan_parse_p_perror(int which, int port, u64 perror, int print)
140 int status = MCHK_DISPOSITION_REPORT; 144 int status = MCHK_DISPOSITION_REPORT;
141 145
142#ifdef CONFIG_VERBOSE_MCHECK 146#ifdef CONFIG_VERBOSE_MCHECK
143 char *perror_cmd[] = { "Interrupt Acknowledge", "Special Cycle", 147 static const char * const perror_cmd[] = {
144 "I/O Read", "I/O Write", 148 "Interrupt Acknowledge", "Special Cycle",
145 "Reserved", "Reserved", 149 "I/O Read", "I/O Write",
146 "Memory Read", "Memory Write", 150 "Reserved", "Reserved",
147 "Reserved", "Reserved", 151 "Memory Read", "Memory Write",
148 "Configuration Read", "Configuration Write", 152 "Reserved", "Reserved",
149 "Memory Read Multiple", "Dual Address Cycle", 153 "Configuration Read", "Configuration Write",
150 "Memory Read Line","Memory Write and Invalidate" 154 "Memory Read Multiple", "Dual Address Cycle",
155 "Memory Read Line", "Memory Write and Invalidate"
151 }; 156 };
152#endif /* CONFIG_VERBOSE_MCHECK */ 157#endif /* CONFIG_VERBOSE_MCHECK */
153 158
@@ -273,11 +278,11 @@ titan_parse_p_agperror(int which, u64 agperror, int print)
273 int cmd, len; 278 int cmd, len;
274 unsigned long addr; 279 unsigned long addr;
275 280
276 char *agperror_cmd[] = { "Read (low-priority)", "Read (high-priority)", 281 static const char * const agperror_cmd[] = {
277 "Write (low-priority)", 282 "Read (low-priority)", "Read (high-priority)",
278 "Write (high-priority)", 283 "Write (low-priority)", "Write (high-priority)",
279 "Reserved", "Reserved", 284 "Reserved", "Reserved",
280 "Flush", "Fence" 285 "Flush", "Fence"
281 }; 286 };
282#endif /* CONFIG_VERBOSE_MCHECK */ 287#endif /* CONFIG_VERBOSE_MCHECK */
283 288
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 5d1e6d6ce684..547e8b84b2f7 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -15,7 +15,6 @@
15#include <linux/kernel.h> 15#include <linux/kernel.h>
16#include <linux/mm.h> 16#include <linux/mm.h>
17#include <linux/smp.h> 17#include <linux/smp.h>
18#include <linux/smp_lock.h>
19#include <linux/stddef.h> 18#include <linux/stddef.h>
20#include <linux/syscalls.h> 19#include <linux/syscalls.h>
21#include <linux/unistd.h> 20#include <linux/unistd.h>
@@ -69,7 +68,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
69{ 68{
70 struct mm_struct *mm; 69 struct mm_struct *mm;
71 70
72 lock_kernel();
73 mm = current->mm; 71 mm = current->mm;
74 mm->end_code = bss_start + bss_len; 72 mm->end_code = bss_start + bss_len;
75 mm->start_brk = bss_start + bss_len; 73 mm->start_brk = bss_start + bss_len;
@@ -78,7 +76,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
78 printk("set_program_attributes(%lx %lx %lx %lx)\n", 76 printk("set_program_attributes(%lx %lx %lx %lx)\n",
79 text_start, text_len, bss_start, bss_len); 77 text_start, text_len, bss_start, bss_len);
80#endif 78#endif
81 unlock_kernel();
82 return 0; 79 return 0;
83} 80}
84 81
@@ -517,7 +514,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
517 long error; 514 long error;
518 int __user *min_buf_size_ptr; 515 int __user *min_buf_size_ptr;
519 516
520 lock_kernel();
521 switch (code) { 517 switch (code) {
522 case PL_SET: 518 case PL_SET:
523 if (get_user(error, &args->set.nbytes)) 519 if (get_user(error, &args->set.nbytes))
@@ -547,7 +543,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
547 error = -EOPNOTSUPP; 543 error = -EOPNOTSUPP;
548 break; 544 break;
549 }; 545 };
550 unlock_kernel();
551 return error; 546 return error;
552} 547}
553 548
@@ -594,7 +589,7 @@ SYSCALL_DEFINE2(osf_sigstack, struct sigstack __user *, uss,
594 589
595SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count) 590SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
596{ 591{
597 char *sysinfo_table[] = { 592 const char *sysinfo_table[] = {
598 utsname()->sysname, 593 utsname()->sysname,
599 utsname()->nodename, 594 utsname()->nodename,
600 utsname()->release, 595 utsname()->release,
@@ -606,7 +601,7 @@ SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
606 "dummy", /* secure RPC domain */ 601 "dummy", /* secure RPC domain */
607 }; 602 };
608 unsigned long offset; 603 unsigned long offset;
609 char *res; 604 const char *res;
610 long len, err = -EINVAL; 605 long len, err = -EINVAL;
611 606
612 offset = command-1; 607 offset = command-1;
diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 738fc824e2ea..b899e95f79fd 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -66,7 +66,7 @@ static int pci_mmap_resource(struct kobject *kobj,
66{ 66{
67 struct pci_dev *pdev = to_pci_dev(container_of(kobj, 67 struct pci_dev *pdev = to_pci_dev(container_of(kobj,
68 struct device, kobj)); 68 struct device, kobj));
69 struct resource *res = (struct resource *)attr->private; 69 struct resource *res = attr->private;
70 enum pci_mmap_state mmap_type; 70 enum pci_mmap_state mmap_type;
71 struct pci_bus_region bar; 71 struct pci_bus_region bar;
72 int i; 72 int i;
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 0932dbb1ef8e..0f6b51ae865a 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -144,8 +144,7 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
144/* 144/*
145 * Atomically swap in the new signal mask, and wait for a signal. 145 * Atomically swap in the new signal mask, and wait for a signal.
146 */ 146 */
147asmlinkage int 147SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
148do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
149{ 148{
150 mask &= _BLOCKABLE; 149 mask &= _BLOCKABLE;
151 spin_lock_irq(&current->sighand->siglock); 150 spin_lock_irq(&current->sighand->siglock);
@@ -154,41 +153,6 @@ do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
154 recalc_sigpending(); 153 recalc_sigpending();
155 spin_unlock_irq(&current->sighand->siglock); 154 spin_unlock_irq(&current->sighand->siglock);
156 155
157 /* Indicate EINTR on return from any possible signal handler,
158 which will not come back through here, but via sigreturn. */
159 regs->r0 = EINTR;
160 regs->r19 = 1;
161
162 current->state = TASK_INTERRUPTIBLE;
163 schedule();
164 set_thread_flag(TIF_RESTORE_SIGMASK);
165 return -ERESTARTNOHAND;
166}
167
168asmlinkage int
169do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize,
170 struct pt_regs *regs, struct switch_stack *sw)
171{
172 sigset_t set;
173
174 /* XXX: Don't preclude handling different sized sigset_t's. */
175 if (sigsetsize != sizeof(sigset_t))
176 return -EINVAL;
177 if (copy_from_user(&set, uset, sizeof(set)))
178 return -EFAULT;
179
180 sigdelsetmask(&set, ~_BLOCKABLE);
181 spin_lock_irq(&current->sighand->siglock);
182 current->saved_sigmask = current->blocked;
183 current->blocked = set;
184 recalc_sigpending();
185 spin_unlock_irq(&current->sighand->siglock);
186
187 /* Indicate EINTR on return from any possible signal handler,
188 which will not come back through here, but via sigreturn. */
189 regs->r0 = EINTR;
190 regs->r19 = 1;
191
192 current->state = TASK_INTERRUPTIBLE; 156 current->state = TASK_INTERRUPTIBLE;
193 schedule(); 157 schedule();
194 set_thread_flag(TIF_RESTORE_SIGMASK); 158 set_thread_flag(TIF_RESTORE_SIGMASK);
@@ -239,6 +203,8 @@ restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
239 unsigned long usp; 203 unsigned long usp;
240 long i, err = __get_user(regs->pc, &sc->sc_pc); 204 long i, err = __get_user(regs->pc, &sc->sc_pc);
241 205
206 current_thread_info()->restart_block.fn = do_no_restart_syscall;
207
242 sw->r26 = (unsigned long) ret_from_sys_call; 208 sw->r26 = (unsigned long) ret_from_sys_call;
243 209
244 err |= __get_user(regs->r0, sc->sc_regs+0); 210 err |= __get_user(regs->r0, sc->sc_regs+0);
@@ -591,7 +557,6 @@ syscall_restart(unsigned long r0, unsigned long r19,
591 regs->pc -= 4; 557 regs->pc -= 4;
592 break; 558 break;
593 case ERESTART_RESTARTBLOCK: 559 case ERESTART_RESTARTBLOCK:
594 current_thread_info()->restart_block.fn = do_no_restart_syscall;
595 regs->r0 = EINTR; 560 regs->r0 = EINTR;
596 break; 561 break;
597 } 562 }
diff --git a/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c
index 4afc1a1e2e5a..f0df3fbd8402 100644
--- a/arch/alpha/kernel/srm_env.c
+++ b/arch/alpha/kernel/srm_env.c
@@ -87,7 +87,7 @@ static int srm_env_proc_show(struct seq_file *m, void *v)
87 srm_env_t *entry; 87 srm_env_t *entry;
88 char *page; 88 char *page;
89 89
90 entry = (srm_env_t *)m->private; 90 entry = m->private;
91 page = (char *)__get_free_page(GFP_USER); 91 page = (char *)__get_free_page(GFP_USER);
92 if (!page) 92 if (!page)
93 return -ENOMEM; 93 return -ENOMEM;
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index 09acb786e72b..ce594ef533cc 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -512,6 +512,9 @@ sys_call_table:
512 .quad sys_pwritev 512 .quad sys_pwritev
513 .quad sys_rt_tgsigqueueinfo 513 .quad sys_rt_tgsigqueueinfo
514 .quad sys_perf_event_open 514 .quad sys_perf_event_open
515 .quad sys_fanotify_init
516 .quad sys_fanotify_mark /* 495 */
517 .quad sys_prlimit64
515 518
516 .size sys_call_table, . - sys_call_table 519 .size sys_call_table, . - sys_call_table
517 .type sys_call_table, @object 520 .type sys_call_table, @object
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index eacceb26d9c8..396af1799ea4 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -191,16 +191,16 @@ irqreturn_t timer_interrupt(int irq, void *dev)
191 191
192 write_sequnlock(&xtime_lock); 192 write_sequnlock(&xtime_lock);
193 193
194#ifndef CONFIG_SMP
195 while (nticks--)
196 update_process_times(user_mode(get_irq_regs()));
197#endif
198
199 if (test_perf_event_pending()) { 194 if (test_perf_event_pending()) {
200 clear_perf_event_pending(); 195 clear_perf_event_pending();
201 perf_event_do_pending(); 196 perf_event_do_pending();
202 } 197 }
203 198
199#ifndef CONFIG_SMP
200 while (nticks--)
201 update_process_times(user_mode(get_irq_regs()));
202#endif
203
204 return IRQ_HANDLED; 204 return IRQ_HANDLED;
205} 205}
206 206
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index b14f015008ad..0414e021a91c 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -13,7 +13,6 @@
13#include <linux/sched.h> 13#include <linux/sched.h>
14#include <linux/tty.h> 14#include <linux/tty.h>
15#include <linux/delay.h> 15#include <linux/delay.h>
16#include <linux/smp_lock.h>
17#include <linux/module.h> 16#include <linux/module.h>
18#include <linux/init.h> 17#include <linux/init.h>
19#include <linux/kallsyms.h> 18#include <linux/kallsyms.h>
@@ -623,7 +622,6 @@ do_entUna(void * va, unsigned long opcode, unsigned long reg,
623 return; 622 return;
624 } 623 }
625 624
626 lock_kernel();
627 printk("Bad unaligned kernel access at %016lx: %p %lx %lu\n", 625 printk("Bad unaligned kernel access at %016lx: %p %lx %lu\n",
628 pc, va, opcode, reg); 626 pc, va, opcode, reg);
629 do_exit(SIGSEGV); 627 do_exit(SIGSEGV);
@@ -646,7 +644,6 @@ got_exception:
646 * Yikes! No one to forward the exception to. 644 * Yikes! No one to forward the exception to.
647 * Since the registers are in a weird format, dump them ourselves. 645 * Since the registers are in a weird format, dump them ourselves.
648 */ 646 */
649 lock_kernel();
650 647
651 printk("%s(%d): unhandled unaligned exception\n", 648 printk("%s(%d): unhandled unaligned exception\n",
652 current->comm, task_pid_nr(current)); 649 current->comm, task_pid_nr(current));
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-25 17:57:33 -0500