adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-29 04:06:22 +00:00
Code Issues Projects Releases Packages Wiki Activity

[PATCH] m32r: Fix smp.c for preempt kernel

Browse source 
This patch fixes the following BUG message of arch/m32r/smp.c for
CONFIG_DEBUG_PREEMPT:

BUG: using smp_processor_id() in preemptible

This message is displayed by an smp_processor_id() execution during
kernel's preemptible-state.

Signed-off-by: Hitoshi Yamamoto <hitoshiy@isl.melco.co.jp>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Hirokazu Takata 2005-10-14 15:59:07 -07:00 committed by Linus Torvalds
parent 6593b58cfb
commit a90933fb4e
1 changed files with 8 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
arch/m32r/kernel/smp.c
View file

@ -275,12 +275,14 @@ static void flush_tlb_all_ipi(void *info)
*==========================================================================*/
void smp_flush_tlb_mm(struct mm_struct *mm)
{
int cpu_id = smp_processor_id();
int cpu_id;
cpumask_t cpu_mask;
unsigned long *mmc = &mm->context[cpu_id];
unsigned long *mmc;
unsigned long flags;
preempt_disable();
cpu_id = smp_processor_id();
mmc = &mm->context[cpu_id];
cpu_mask = mm->cpu_vm_mask;
cpu_clear(cpu_id, cpu_mask);
@ -343,12 +345,14 @@ void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long va)
{
struct mm_struct *mm = vma->vm_mm;
int cpu_id = smp_processor_id();
int cpu_id;
cpumask_t cpu_mask;
unsigned long *mmc = &mm->context[cpu_id];
unsigned long *mmc;
unsigned long flags;
preempt_disable();
cpu_id = smp_processor_id();
mmc = &mm->context[cpu_id];
cpu_mask = mm->cpu_vm_mask;
cpu_clear(cpu_id, cpu_mask);