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x86: add framework to disable CPUID bits on the command line

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There are already various options to disable specific cpuid bits
on the command line. They all use their own variable. Add a generic
mask to make this easier in the future.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andi Kleen
2008-01-30 13:33:20 +01:00
committed by Ingo Molnar
parent f95f2f7b9d
commit 7d851c8d3d
4 changed files with 17 additions and 0 deletions
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include/asm-x86/processor.h
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@@ -118,6 +118,7 @@ struct cpuinfo_x86 {
extern struct cpuinfo_x86 boot_cpu_data;
extern struct cpuinfo_x86 new_cpu_data;
extern struct tss_struct doublefault_tss;
extern __u32 cleared_cpu_caps[NCAPINTS];
#ifdef CONFIG_SMP
DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);