This make sure it's paravirtualized correctly when CONFIG_PARAVIRT=y.
Signed-off-by: Rusty Russell <[email protected]>
diff -r 4ff048622391 drivers/md/raid6x86.h
--- a/drivers/md/raid6x86.h Thu Dec 28 16:52:54 2006 +1100
+++ b/drivers/md/raid6x86.h Fri Dec 29 10:09:38 2006 +1100
@@ -75,13 +75,14 @@ static inline unsigned long raid6_get_fp
unsigned long cr0;
preempt_disable();
- asm volatile("mov %%cr0,%0 ; clts" : "=r" (cr0));
+ cr0 = read_cr0();
+ clts();
return cr0;
}
static inline void raid6_put_fpu(unsigned long cr0)
{
- asm volatile("mov %0,%%cr0" : : "r" (cr0));
+ write_cr0(cr0);
preempt_enable();
}
-
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