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x86-64: Move vread_tsc and vread_hpet into the vDSO

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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>
This commit is contained in:
Andy Lutomirski
2011-07-14 06:47:22 -04:00
committed by H. Peter Anvin
parent 433bd805e5
commit 98d0ac38ca
12 changed files with 57 additions and 79 deletions
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arch/x86/kernel/tsc.c
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@@ -777,7 +777,7 @@ static struct clocksource clocksource_tsc = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS |
CLOCK_SOURCE_MUST_VERIFY,
#ifdef CONFIG_X86_64
.archdata = { .vread = vread_tsc },
.archdata = { .vclock_mode = VCLOCK_TSC },
#endif
};