diff options
| author | Andy Lutomirski <[email protected]> | 2016-12-09 10:24:05 -0800 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2016-12-19 11:54:20 +0100 |
| commit | 1c52d859cb2d417e7216d3e56bb7fea88444cec9 (patch) | |
| tree | f67d4ee216a13d8666ea81e0f0a527a3cc16746a | |
| parent | 3df8d9208569ef0b2313e516566222d745f3b94b (diff) | |
x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels
We support various non-Intel CPUs that don't have the CPUID
instruction, so the M486 test was wrong. For now, fix it with a big
hammer: handle missing CPUID on all 32-bit CPUs.
Reported-by: One Thousand Gnomes <[email protected]>
Signed-off-by: Andy Lutomirski <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Matthew Whitehead <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Henrique de Moraes Holschuh <[email protected]>
Cc: Andrew Cooper <[email protected]>
Cc: Boris Ostrovsky <[email protected]>
Cc: xen-devel <[email protected]>
Link: http://lkml.kernel.org/r/685bd083a7c036f7769510b6846315b17d6ba71f.1481307769.git.luto@kernel.org
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 6aa741fbe1df..b934871ae226 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -607,7 +607,7 @@ static inline void sync_core(void) { int tmp; -#ifdef CONFIG_M486 +#ifdef CONFIG_X86_32 /* * Do a CPUID if available, otherwise do a jump. The jump * can conveniently enough be the jump around CPUID. |