mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-29 22:02:02 +00:00
bb8985586b
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
22 lines
409 B
C
22 lines
409 B
C
#ifndef ASM_X86__SYSTEM_64_H
|
|
#define ASM_X86__SYSTEM_64_H
|
|
|
|
#include <asm/segment.h>
|
|
#include <asm/cmpxchg.h>
|
|
|
|
|
|
static inline unsigned long read_cr8(void)
|
|
{
|
|
unsigned long cr8;
|
|
asm volatile("movq %%cr8,%0" : "=r" (cr8));
|
|
return cr8;
|
|
}
|
|
|
|
static inline void write_cr8(unsigned long val)
|
|
{
|
|
asm volatile("movq %0,%%cr8" :: "r" (val) : "memory");
|
|
}
|
|
|
|
#include <linux/irqflags.h>
|
|
|
|
#endif /* ASM_X86__SYSTEM_64_H */
|