diff options
| author | Jeremy Fitzhardinge | 2008-07-11 01:22:56 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-07-11 15:44:57 +0200 |
| commit | 8d28aab59fe939be40efae870ced0b05caa259fb (patch) | |
| tree | 63cbe1eb47521a9005d98c695d44c4ab480730d3 /include/asm-x86/cpufeature.h | |
| parent | x86: fix tsc unification buglet with ftrace and stackprotector (diff) | |
| download | kernel-qcow2-linux-8d28aab59fe939be40efae870ced0b05caa259fb.tar.gz kernel-qcow2-linux-8d28aab59fe939be40efae870ced0b05caa259fb.tar.xz kernel-qcow2-linux-8d28aab59fe939be40efae870ced0b05caa259fb.zip | |
x86_64: add pseudo-features for 32-bit compat syscall
Add pseudo-feature bits to describe whether the CPU supports sysenter
and/or syscall from ia32-compat userspace. This removes a hardcoded
test in vdso32-setup.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/cpufeature.h')
| -rw-r--r-- | include/asm-x86/cpufeature.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 84a56da397b1..75ef959db329 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -74,8 +74,8 @@ #define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */ #define X86_FEATURE_PEBS (3*32+12) /* Precise-Event Based Sampling */ #define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */ -/* 14 free */ -/* 15 free */ +#define X86_FEATURE_SYSCALL32 (3*32+14) /* syscall in ia32 userspace */ +#define X86_FEATURE_SYSENTER32 (3*32+15) /* sysenter in ia32 userspace */ #define X86_FEATURE_REP_GOOD (3*32+16) /* rep microcode works well on this CPU */ #define X86_FEATURE_MFENCE_RDTSC (3*32+17) /* Mfence synchronizes RDTSC */ #define X86_FEATURE_LFENCE_RDTSC (3*32+18) /* Lfence synchronizes RDTSC */ |