[PATCH 15/15] replace x86_read/write_per_cpu with a common function.

Glauber de Oliveira Costa
2007-12-20T20:13:37Z

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>
---
arch/x86/kernel/paravirt.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

Index: linux-2.6-x86/arch/x86/kernel/paravirt.c
===================================================================
--- linux-2.6-x86.orig/arch/x86/kernel/paravirt.c 2007-12-20 19:08:11.000000000 -0800
+++ linux-2.6-x86/arch/x86/kernel/paravirt.c 2007-12-20 19:08:18.000000000 -0800
@@ -238,18 +238,18 @@

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());

- x86_write_percpu(paravirt_lazy_mode, mode);
+ __get_cpu_var(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());

- x86_write_percpu(paravirt_lazy_mode, PARAVIRT_LAZY_NONE);
+ __get_cpu_var(paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
}

void paravirt_enter_lazy_mmu(void)
@@ -274,7 +274,7 @@

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 = {