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x86/CPU: Modify detect_extended_topology() to return result

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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
This commit is contained in:
Suravee Suthikulpanit
2018-04-27 16:48:00 -05:00
committed by Thomas Gleixner
parent 68091ee7ac
commit 6c4f5abaf3
2 changed files with 5 additions and 5 deletions
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2
arch/x86/include/asm/processor.h
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@@ -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