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authorDavid Howells <dhowells@redhat.com>2006-12-05 14:37:56 +0000
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 14:37:56 +0000
commit4c1ac1b49122b805adfa4efc620592f68dccf5db (patch)
tree87557f4bc2fd4fe65b7570489c2f610c45c0adcd /arch/x86_64/kernel
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/kernel')
-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
3 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c
index e22ecd54870..47b6d90349d 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)
return 0;
early_console_initialized = 1;
- if (!strcmp(buf,"keep"))
+ if (strstr(buf, "keep"))
keep_early = 1;
if (!strncmp(buf, "serial", 6)) {
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 14654e68241..c80081a6ba4 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)
{
/* Initialize vector_irq on a new cpu */
/* This function must be called with vector_lock held */
- unsigned long flags;
int irq, vector;
-
/* Mark the inuse vectors */
for (irq = 0; irq < NR_IRQ_VECTORS; ++irq) {
if (!cpu_isset(cpu, irq_domain[irq]))
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index a153d0a01b7..0d65b22f229 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)
* severe exception (double fault, nmi, stack fault, debug, mce) hardware stack
*/
+static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
+{
+ void *t = (void *)tinfo;
+ return p > t && p < t + THREAD_SIZE - 3;
+}
+
void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack,
struct stacktrace_ops *ops, void *data)
{
const unsigned cpu = smp_processor_id();
unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr;
unsigned used = 0;
+ struct thread_info *tinfo;
if (!tsk)
tsk = current;
@@ -370,7 +377,8 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
/*
* This handles the process stack:
*/
- HANDLE_STACK (((long) stack & (THREAD_SIZE-1)) != 0);
+ tinfo = current_thread_info();
+ HANDLE_STACK (valid_stack_ptr(tinfo, stack));
#undef HANDLE_STACK
}
EXPORT_SYMBOL(dump_trace);