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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

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* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Fix missed hardware breakpoints across multiple threads
This commit is contained in:
Linus Torvalds 2008-03-28 10:34:21 -07:00
commit 8c178beeb2
1 changed files with 5 additions and 5 deletions
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10
arch/powerpc/kernel/process.c
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@ -241,8 +241,12 @@ void discard_lazy_cpu_state(void)
}
#endif /* CONFIG_SMP */
static DEFINE_PER_CPU(unsigned long, current_dabr);
int set_dabr(unsigned long dabr)
{
__get_cpu_var(current_dabr) = dabr;
#ifdef CONFIG_PPC_MERGE /* XXX for now */
if (ppc_md.set_dabr)
return ppc_md.set_dabr(dabr);
@ -259,8 +263,6 @@ int set_dabr(unsigned long dabr)
DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array);
#endif
static DEFINE_PER_CPU(unsigned long, current_dabr);
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *new)
{
@ -325,10 +327,8 @@ struct task_struct *__switch_to(struct task_struct *prev,
#endif /* CONFIG_SMP */
if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr)) {
if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr))
set_dabr(new->thread.dabr);
__get_cpu_var(current_dabr) = new->thread.dabr;
}
new_thread = &new->thread;
old_thread = &current->thread;