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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-23 01:55:20 -0400
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/vgtod.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/vgtod.h')
-rw-r--r--arch/x86/include/asm/vgtod.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
new file mode 100644
index 000000000000..38fd13364021
--- /dev/null
+++ b/arch/x86/include/asm/vgtod.h
@@ -0,0 +1,29 @@
1#ifndef ASM_X86__VGTOD_H
2#define ASM_X86__VGTOD_H
3
4#include <asm/vsyscall.h>
5#include <linux/clocksource.h>
6
7struct vsyscall_gtod_data {
8 seqlock_t lock;
9
10 /* open coded 'struct timespec' */
11 time_t wall_time_sec;
12 u32 wall_time_nsec;
13
14 int sysctl_enabled;
15 struct timezone sys_tz;
16 struct { /* extract of a clocksource struct */
17 cycle_t (*vread)(void);
18 cycle_t cycle_last;
19 cycle_t mask;
20 u32 mult;
21 u32 shift;
22 } clock;
23 struct timespec wall_to_monotonic;
24};
25extern struct vsyscall_gtod_data __vsyscall_gtod_data
26__section_vsyscall_gtod_data;
27extern struct vsyscall_gtod_data vsyscall_gtod_data;
28
29#endif /* ASM_X86__VGTOD_H */