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authorIngo Molnar <mingo@elte.hu>2008-10-27 10:50:54 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-27 10:50:54 +0100
commit4944dd62de21230af039eda7cd218e9a09021d11 (patch)
treebac70f7bab8506c7e1b0408bacbdb0b1d77262e9 /arch/x86/include/asm/vgtod.h
parentf17845e5d97ead8fbdadfd40039e058ec7cf4a42 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into tracing/urgent
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 00000000000..dc27a69e5d2
--- /dev/null
+++ b/arch/x86/include/asm/vgtod.h
@@ -0,0 +1,29 @@
+#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;
+
+ int sysctl_enabled;
+ struct timezone sys_tz;
+ struct { /* extract of a clocksource struct */
+ cycle_t (*vread)(void);
+ cycle_t cycle_last;
+ cycle_t mask;
+ u32 mult;
+ u32 shift;
+ } clock;
+ struct timespec wall_to_monotonic;
+};
+extern struct vsyscall_gtod_data __vsyscall_gtod_data
+__section_vsyscall_gtod_data;
+extern struct vsyscall_gtod_data vsyscall_gtod_data;
+
+#endif /* _ASM_X86_VGTOD_H */