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Merge branch 'timers/locking'

This commit is contained in:
Ingo Molnar 2011-02-06 12:59:22 +01:00
parent 83a06bf50b f266a5110d
commit 55835eb62f
2 changed files with 8 additions and 3 deletions
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5
arch/x86/include/asm/mmu_context.h
View File

@ -36,8 +36,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
unsigned cpu = smp_processor_id();
if (likely(prev != next)) {
/* stop flush ipis for the previous mm */
cpumask_clear_cpu(cpu, mm_cpumask(prev));
#ifdef CONFIG_SMP
percpu_write(cpu_tlbstate.state, TLBSTATE_OK);
percpu_write(cpu_tlbstate.active_mm, next);
@ -47,6 +45,9 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
/* Re-load page tables */
load_cr3(next->pgd);
/* stop flush ipis for the previous mm */
cpumask_clear_cpu(cpu, mm_cpumask(prev));
/*
* load the LDT, if the LDT is different:
*/

6
kernel/timer.c
View File

@ -969,10 +969,14 @@ EXPORT_SYMBOL(try_to_del_timer_sync);
int del_timer_sync(struct timer_list *timer)
{
#ifdef CONFIG_LOCKDEP
unsigned long flags;
raw_local_irq_save(flags);
local_bh_disable();
lock_map_acquire(&timer->lockdep_map);
lock_map_release(&timer->lockdep_map);
local_bh_enable();
_local_bh_enable();
raw_local_irq_restore(flags);
#endif
/*
* don't use it in hardirq context, because it