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authorJeremy Fitzhardinge <jeremy@goop.org>2008-07-10 16:22:56 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-11 15:44:57 +0200
commit8d28aab59fe939be40efae870ced0b05caa259fb (patch)
tree63cbe1eb47521a9005d98c695d44c4ab480730d3 /arch/x86/kernel/cpu/centaur_64.c
parent3d0decc4f49e8645cd6369b02ed076bebd3d61ad (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/centaur_64.c')
-rw-r--r--arch/x86/kernel/cpu/centaur_64.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/centaur_64.c b/arch/x86/kernel/cpu/centaur_64.c
index 13526fd5cce..2026d2119cd 100644
--- a/arch/x86/kernel/cpu/centaur_64.c
+++ b/arch/x86/kernel/cpu/centaur_64.c
@@ -10,6 +10,8 @@ static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
{
if (c->x86 == 0x6 && c->x86_model >= 0xf)
set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
+
+ set_cpu_cap(c, X86_FEATURE_SYSENTER32);
}
static void __cpuinit init_centaur(struct cpuinfo_x86 *c)