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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2018-04-27 16:48:00 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-05-06 12:49:16 +0200 |
| commit | 6c4f5abaf3566dbf5b26e7b14f4392be400f12e3 (patch) | |
| tree | 30c084c51a96b247edfba8dc79de2a7b7ab0f050 /arch/x86/include/asm/processor.h | |
| parent | 68091ee7ac3c1a8786fe1bebbd616b14236efb99 (diff) | |
| download | lwn-6c4f5abaf3566dbf5b26e7b14f4392be400f12e3.tar.gz lwn-6c4f5abaf3566dbf5b26e7b14f4392be400f12e3.zip | |
x86/CPU: Modify detect_extended_topology() to return result
Current implementation does not communicate whether it can successfully
detect CPUID function 0xB information. Therefore, modify the function to
return success or error codes. This will be used by subsequent patches.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1524865681-112110-2-git-send-email-suravee.suthikulpanit@amd.com
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -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 4fa4206029e3..7aa2caa82b2d 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -193,7 +193,7 @@ extern u32 get_scattered_cpuid_leaf(unsigned int level, extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); extern void init_amd_cacheinfo(struct cpuinfo_x86 *c); -extern void detect_extended_topology(struct cpuinfo_x86 *c); +extern int detect_extended_topology(struct cpuinfo_x86 *c); extern void detect_ht(struct cpuinfo_x86 *c); #ifdef CONFIG_X86_32 |