diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-10 16:22:56 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-11 15:44:57 +0200 |
| commit | 8d28aab59fe939be40efae870ced0b05caa259fb (patch) | |
| tree | 63cbe1eb47521a9005d98c695d44c4ab480730d3 /arch/x86/kernel/cpu/intel_64.c | |
| parent | 3d0decc4f49e8645cd6369b02ed076bebd3d61ad (diff) | |
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 'arch/x86/kernel/cpu/intel_64.c')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_64.c b/arch/x86/kernel/cpu/intel_64.c index fcb1cc9d75c..02f773399e3 100644 --- a/arch/x86/kernel/cpu/intel_64.c +++ b/arch/x86/kernel/cpu/intel_64.c @@ -12,6 +12,8 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c) if ((c->x86 == 0xf && c->x86_model >= 0x03) || (c->x86 == 0x6 && c->x86_model >= 0x0e)) set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); + + set_cpu_cap(c, X86_FEATURE_SYSENTER32); } /* |