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authorDavid Howells <dhowells@redhat.com>2006-12-05 09:37:56 -0500
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 09:37:56 -0500
commit4c1ac1b49122b805adfa4efc620592f68dccf5db (patch)
tree87557f4bc2fd4fe65b7570489c2f610c45c0adcd /arch/x86_64
parentc4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff)
parentd916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/kernel/early_printk.c2
-rw-r--r--arch/x86_64/kernel/io_apic.c2
-rw-r--r--arch/x86_64/kernel/traps.c10
-rw-r--r--arch/x86_64/lib/csum-partial.c7
-rw-r--r--arch/x86_64/lib/csum-wrappers.c37
5 files changed, 35 insertions, 23 deletions
diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c
index e22ecd54870d..47b6d90349da 100644
--- a/arch/x86_64/kernel/early_printk.c
+++ b/arch/x86_64/kernel/early_printk.c
@@ -224,7 +224,7 @@ static int __init setup_early_printk(char *buf)
224 return 0; 224 return 0;
225 early_console_initialized = 1; 225 early_console_initialized = 1;
226 226
227 if (!strcmp(buf,"keep")) 227 if (strstr(buf, "keep"))
228 keep_early = 1; 228 keep_early = 1;
229 229
230 if (!strncmp(buf, "serial", 6)) { 230 if (!strncmp(buf, "serial", 6)) {
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 14654e682411..c80081a6ba41 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -754,10 +754,8 @@ void __setup_vector_irq(int cpu)
754{ 754{
755 /* Initialize vector_irq on a new cpu */ 755 /* Initialize vector_irq on a new cpu */
756 /* This function must be called with vector_lock held */ 756 /* This function must be called with vector_lock held */
757 unsigned long flags;
758 int irq, vector; 757 int irq, vector;
759 758
760
761 /* Mark the inuse vectors */ 759 /* Mark the inuse vectors */
762 for (irq = 0; irq < NR_IRQ_VECTORS; ++irq) { 760 for (irq = 0; irq < NR_IRQ_VECTORS; ++irq) {
763 if (!cpu_isset(cpu, irq_domain[irq])) 761 if (!cpu_isset(cpu, irq_domain[irq]))
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index a153d0a01b72..0d65b22f229c 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -242,12 +242,19 @@ static int dump_trace_unwind(struct unwind_frame_info *info, void *context)
242 * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack 242 * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack
243 */ 243 */
244 244
245static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
246{
247 void *t = (void *)tinfo;
248 return p > t && p < t + THREAD_SIZE - 3;
249}
250
245void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack, 251void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack,
246 struct stacktrace_ops *ops, void *data) 252 struct stacktrace_ops *ops, void *data)
247{ 253{
248 const unsigned cpu = smp_processor_id(); 254 const unsigned cpu = smp_processor_id();
249 unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; 255 unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr;
250 unsigned used = 0; 256 unsigned used = 0;
257 struct thread_info *tinfo;
251 258
252 if (!tsk) 259 if (!tsk)
253 tsk = current; 260 tsk = current;
@@ -370,7 +377,8 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
370 /* 377 /*
371 * This handles the process stack: 378 * This handles the process stack:
372 */ 379 */
373 HANDLE_STACK (((long) stack & (THREAD_SIZE-1)) != 0); 380 tinfo = current_thread_info();
381 HANDLE_STACK (valid_stack_ptr(tinfo, stack));
374#undef HANDLE_STACK 382#undef HANDLE_STACK
375} 383}
376EXPORT_SYMBOL(dump_trace); 384EXPORT_SYMBOL(dump_trace);
diff --git a/arch/x86_64/lib/csum-partial.c b/arch/x86_64/lib/csum-partial.c
index c493735218da..06ae630de82b 100644
--- a/arch/x86_64/lib/csum-partial.c
+++ b/arch/x86_64/lib/csum-partial.c
@@ -132,9 +132,10 @@ static __force_inline unsigned do_csum(const unsigned char *buff, unsigned len)
132 * 132 *
133 * it's best to have buff aligned on a 64-bit boundary 133 * it's best to have buff aligned on a 64-bit boundary
134 */ 134 */
135unsigned csum_partial(const unsigned char *buff, unsigned len, unsigned sum) 135__wsum csum_partial(const void *buff, int len, __wsum sum)
136{ 136{
137 return add32_with_carry(do_csum(buff, len), sum); 137 return (__force __wsum)add32_with_carry(do_csum(buff, len),
138 (__force u32)sum);
138} 139}
139 140
140EXPORT_SYMBOL(csum_partial); 141EXPORT_SYMBOL(csum_partial);
@@ -143,7 +144,7 @@ EXPORT_SYMBOL(csum_partial);
143 * this routine is used for miscellaneous IP-like checksums, mainly 144 * this routine is used for miscellaneous IP-like checksums, mainly
144 * in icmp.c 145 * in icmp.c
145 */ 146 */
146unsigned short ip_compute_csum(unsigned char * buff, int len) 147__sum16 ip_compute_csum(const void *buff, int len)
147{ 148{
148 return csum_fold(csum_partial(buff,len,0)); 149 return csum_fold(csum_partial(buff,len,0));
149} 150}
diff --git a/arch/x86_64/lib/csum-wrappers.c b/arch/x86_64/lib/csum-wrappers.c
index b1320ec58428..fd42a4a095fc 100644
--- a/arch/x86_64/lib/csum-wrappers.c
+++ b/arch/x86_64/lib/csum-wrappers.c
@@ -18,9 +18,9 @@
18 * Returns an 32bit unfolded checksum of the buffer. 18 * Returns an 32bit unfolded checksum of the buffer.
19 * src and dst are best aligned to 64bits. 19 * src and dst are best aligned to 64bits.
20 */ 20 */
21unsigned int 21__wsum
22csum_partial_copy_from_user(const unsigned char __user *src, unsigned char *dst, 22csum_partial_copy_from_user(const void __user *src, void *dst,
23 int len, unsigned int isum, int *errp) 23 int len, __wsum isum, int *errp)
24{ 24{
25 might_sleep(); 25 might_sleep();
26 *errp = 0; 26 *errp = 0;
@@ -34,17 +34,19 @@ csum_partial_copy_from_user(const unsigned char __user *src, unsigned char *dst,
34 if (unlikely((unsigned long)src & 6)) { 34 if (unlikely((unsigned long)src & 6)) {
35 while (((unsigned long)src & 6) && len >= 2) { 35 while (((unsigned long)src & 6) && len >= 2) {
36 __u16 val16; 36 __u16 val16;
37 *errp = __get_user(val16, (__u16 __user *)src); 37 *errp = __get_user(val16, (const __u16 __user *)src);
38 if (*errp) 38 if (*errp)
39 return isum; 39 return isum;
40 *(__u16 *)dst = val16; 40 *(__u16 *)dst = val16;
41 isum = add32_with_carry(isum, val16); 41 isum = (__force __wsum)add32_with_carry(
42 (__force unsigned)isum, val16);
42 src += 2; 43 src += 2;
43 dst += 2; 44 dst += 2;
44 len -= 2; 45 len -= 2;
45 } 46 }
46 } 47 }
47 isum = csum_partial_copy_generic((__force void *)src,dst,len,isum,errp,NULL); 48 isum = csum_partial_copy_generic((__force const void *)src,
49 dst, len, isum, errp, NULL);
48 if (likely(*errp == 0)) 50 if (likely(*errp == 0))
49 return isum; 51 return isum;
50 } 52 }
@@ -66,9 +68,9 @@ EXPORT_SYMBOL(csum_partial_copy_from_user);
66 * Returns an 32bit unfolded checksum of the buffer. 68 * Returns an 32bit unfolded checksum of the buffer.
67 * src and dst are best aligned to 64bits. 69 * src and dst are best aligned to 64bits.
68 */ 70 */
69unsigned int 71__wsum
70csum_partial_copy_to_user(unsigned const char *src, unsigned char __user *dst, 72csum_partial_copy_to_user(const void *src, void __user *dst,
71 int len, unsigned int isum, int *errp) 73 int len, __wsum isum, int *errp)
72{ 74{
73 might_sleep(); 75 might_sleep();
74 if (unlikely(!access_ok(VERIFY_WRITE, dst, len))) { 76 if (unlikely(!access_ok(VERIFY_WRITE, dst, len))) {
@@ -79,7 +81,8 @@ csum_partial_copy_to_user(unsigned const char *src, unsigned char __user *dst,
79 if (unlikely((unsigned long)dst & 6)) { 81 if (unlikely((unsigned long)dst & 6)) {
80 while (((unsigned long)dst & 6) && len >= 2) { 82 while (((unsigned long)dst & 6) && len >= 2) {
81 __u16 val16 = *(__u16 *)src; 83 __u16 val16 = *(__u16 *)src;
82 isum = add32_with_carry(isum, val16); 84 isum = (__force __wsum)add32_with_carry(
85 (__force unsigned)isum, val16);
83 *errp = __put_user(val16, (__u16 __user *)dst); 86 *errp = __put_user(val16, (__u16 __user *)dst);
84 if (*errp) 87 if (*errp)
85 return isum; 88 return isum;
@@ -104,19 +107,21 @@ EXPORT_SYMBOL(csum_partial_copy_to_user);
104 * 107 *
105 * Returns an 32bit unfolded checksum of the buffer. 108 * Returns an 32bit unfolded checksum of the buffer.
106 */ 109 */
107unsigned int 110__wsum
108csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst, int len, unsigned int sum) 111csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
109{ 112{
110 return csum_partial_copy_generic(src,dst,len,sum,NULL,NULL); 113 return csum_partial_copy_generic(src,dst,len,sum,NULL,NULL);
111} 114}
112EXPORT_SYMBOL(csum_partial_copy_nocheck); 115EXPORT_SYMBOL(csum_partial_copy_nocheck);
113 116
114unsigned short csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, 117__sum16 csum_ipv6_magic(const struct in6_addr *saddr,
115 __u32 len, unsigned short proto, unsigned int sum) 118 const struct in6_addr *daddr,
119 __u32 len, unsigned short proto, __wsum sum)
116{ 120{
117 __u64 rest, sum64; 121 __u64 rest, sum64;
118 122
119 rest = (__u64)htonl(len) + (__u64)htons(proto) + (__u64)sum; 123 rest = (__force __u64)htonl(len) + (__force __u64)htons(proto) +
124 (__force __u64)sum;
120 asm(" addq (%[saddr]),%[sum]\n" 125 asm(" addq (%[saddr]),%[sum]\n"
121 " adcq 8(%[saddr]),%[sum]\n" 126 " adcq 8(%[saddr]),%[sum]\n"
122 " adcq (%[daddr]),%[sum]\n" 127 " adcq (%[daddr]),%[sum]\n"
@@ -124,7 +129,7 @@ unsigned short csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr,
124 " adcq $0,%[sum]\n" 129 " adcq $0,%[sum]\n"
125 : [sum] "=r" (sum64) 130 : [sum] "=r" (sum64)
126 : "[sum]" (rest),[saddr] "r" (saddr), [daddr] "r" (daddr)); 131 : "[sum]" (rest),[saddr] "r" (saddr), [daddr] "r" (daddr));
127 return csum_fold(add32_with_carry(sum64 & 0xffffffff, sum64>>32)); 132 return csum_fold((__force __wsum)add32_with_carry(sum64 & 0xffffffff, sum64>>32));
128} 133}
129 134
130EXPORT_SYMBOL(csum_ipv6_magic); 135EXPORT_SYMBOL(csum_ipv6_magic);