d2312e3379
This patch move the vsyscall_gtod_data handling out of vsyscall_64.c into an additonal file vsyscall_gtod.c to make the functionality available for x86 32 bit kernel. It also adds a new vsyscall_32.c which setup the VVAR page. Reviewed-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Stefani Seibold <stefani@seibold.net> Link: http://lkml.kernel.org/r/1395094933-14252-2-git-send-email-stefani@seibold.net Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
15 lines
424 B
C
15 lines
424 B
C
/* x86-specific clocksource additions */
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#ifndef _ASM_X86_CLOCKSOURCE_H
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#define _ASM_X86_CLOCKSOURCE_H
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#define VCLOCK_NONE 0 /* No vDSO clock available. */
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#define VCLOCK_TSC 1 /* vDSO should use vread_tsc. */
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#define VCLOCK_HPET 2 /* vDSO should use vread_hpet. */
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#define VCLOCK_PVCLOCK 3 /* vDSO should use vread_pvclock. */
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struct arch_clocksource_data {
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int vclock_mode;
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};
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#endif /* _ASM_X86_CLOCKSOURCE_H */
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