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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-20 09:20:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-20 09:20:55 -0700
commitac8bf564307962a763a52b34e771205c58b76ec8 (patch)
tree851fe4ebd22cca979744dace54a8d628143bbc4b /arch/sparc/kernel/irq_64.c
parent34388d1c4feae50d61d6f4ec7594b9076d6d24db (diff)
parent28a1f533ae8606020238b840b82ae70a3f87609e (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix hardirq tracing in trap return path. sparc64: Use correct pt_regs in decode_access_size() error paths. sparc64: Fix PREEMPT_ACTIVE value. sparc64: Run NMIs on the hardirq stack. sparc64: Allocate sufficient stack space in ftrace stubs. sparc: Fix forgotten kmemleak headers inclusion
Diffstat (limited to 'arch/sparc/kernel/irq_64.c')
-rw-r--r--arch/sparc/kernel/irq_64.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 454ce3a2527..830d70a3e20 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -22,6 +22,7 @@
#include <linux/seq_file.h>
#include <linux/ftrace.h>
#include <linux/irq.h>
+#include <linux/kmemleak.h>
#include <asm/ptrace.h>
#include <asm/processor.h>
@@ -46,6 +47,7 @@
#include "entry.h"
#include "cpumap.h"
+#include "kstack.h"
#define NUM_IVECS (IMAP_INR + 1)
@@ -712,24 +714,6 @@ void ack_bad_irq(unsigned int virt_irq)
void *hardirq_stack[NR_CPUS];
void *softirq_stack[NR_CPUS];
-static __attribute__((always_inline)) void *set_hardirq_stack(void)
-{
- void *orig_sp, *sp = hardirq_stack[smp_processor_id()];
-
- __asm__ __volatile__("mov %%sp, %0" : "=r" (orig_sp));
- if (orig_sp < sp ||
- orig_sp > (sp + THREAD_SIZE)) {
- sp += THREAD_SIZE - 192 - STACK_BIAS;
- __asm__ __volatile__("mov %0, %%sp" : : "r" (sp));
- }
-
- return orig_sp;
-}
-static __attribute__((always_inline)) void restore_hardirq_stack(void *orig_sp)
-{
- __asm__ __volatile__("mov %0, %%sp" : : "r" (orig_sp));
-}
-
void __irq_entry handler_irq(int irq, struct pt_regs *regs)
{
unsigned long pstate, bucket_pa;