redonkable/alistair23-linux
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replace x86_read/write_per_cpu with a common function.

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x86_read_per_cpu() and its writeish sister are not present in x86_64. So in
this patch, we replace them with __get_cpu_var(), which is present in both

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Glauber de Oliveira Costa 2008-01-30 13:32:11 +01:00 committed by Ingo Molnar
parent 53fd13cff0
commit bfd074e05b
1 changed files with 5 additions and 5 deletions
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10
arch/x86/kernel/paravirt.c
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@ -238,18 +238,18 @@ static DEFINE_PER_CPU(enum paravirt_lazy_mode, paravirt_lazy_mode) = PARAVIRT_LA
static inline void enter_lazy(enum paravirt_lazy_mode mode) static inline void enter_lazy(enum paravirt_lazy_mode mode)
{ {
BUG_ON(x86_read_percpu(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE); BUG_ON(__get_cpu_var(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
BUG_ON(preemptible()); BUG_ON(preemptible());
x86_write_percpu(paravirt_lazy_mode, mode); __get_cpu_var(paravirt_lazy_mode) = mode;
} }
void paravirt_leave_lazy(enum paravirt_lazy_mode mode) void paravirt_leave_lazy(enum paravirt_lazy_mode mode)
{ {
BUG_ON(x86_read_percpu(paravirt_lazy_mode) != mode); BUG_ON(__get_cpu_var(paravirt_lazy_mode) != mode);
BUG_ON(preemptible()); BUG_ON(preemptible());
x86_write_percpu(paravirt_lazy_mode, PARAVIRT_LAZY_NONE); __get_cpu_var(paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
} }
void paravirt_enter_lazy_mmu(void) void paravirt_enter_lazy_mmu(void)
@ -274,7 +274,7 @@ void paravirt_leave_lazy_cpu(void)
enum paravirt_lazy_mode paravirt_get_lazy_mode(void) enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
{ {
return x86_read_percpu(paravirt_lazy_mode); return __get_cpu_var(paravirt_lazy_mode);
} }
struct pv_info pv_info = { struct pv_info pv_info = {