mirror of
https://github.com/torvalds/linux.git
synced 2024-11-07 20:51:47 +00:00
98d0ac38ca
The vsyscall page now consists entirely of trap instructions. Cc: John Stultz <johnstul@us.ibm.com> Signed-off-by: Andy Lutomirski <luto@mit.edu> Link: http://lkml.kernel.org/r/637648f303f2ef93af93bae25186e9a1bea093f5.1310639973.git.luto@mit.edu Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
28 lines
561 B
C
28 lines
561 B
C
#ifndef _ASM_X86_VGTOD_H
|
|
#define _ASM_X86_VGTOD_H
|
|
|
|
#include <asm/vsyscall.h>
|
|
#include <linux/clocksource.h>
|
|
|
|
struct vsyscall_gtod_data {
|
|
seqlock_t lock;
|
|
|
|
/* open coded 'struct timespec' */
|
|
time_t wall_time_sec;
|
|
u32 wall_time_nsec;
|
|
|
|
struct timezone sys_tz;
|
|
struct { /* extract of a clocksource struct */
|
|
int vclock_mode;
|
|
cycle_t cycle_last;
|
|
cycle_t mask;
|
|
u32 mult;
|
|
u32 shift;
|
|
} clock;
|
|
struct timespec wall_to_monotonic;
|
|
struct timespec wall_time_coarse;
|
|
};
|
|
extern struct vsyscall_gtod_data vsyscall_gtod_data;
|
|
|
|
#endif /* _ASM_X86_VGTOD_H */
|