Messages in this thread Patch in this message | | | Date | Fri, 5 Aug 2011 22:58:58 GMT | From | tip-bot for Borislav Petkov <> | Subject | [tip:x86/cpu] x86: Add a BSP cpu_dev helper |
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Commit-ID: a110b5ec7371592eac856ac5c22dc7b518952d44 Gitweb: http://git.kernel.org/tip/a110b5ec7371592eac856ac5c22dc7b518952d44 Author: Borislav Petkov <bp@amd64.org> AuthorDate: Fri, 5 Aug 2011 20:01:16 +0200 Committer: H. Peter Anvin <hpa@linux.intel.com> CommitDate: Fri, 5 Aug 2011 12:26:49 -0700
x86: Add a BSP cpu_dev helper
Add a function ptr to struct cpu_dev which is destined to be run only once on the BSP during boot.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Link: http://lkml.kernel.org/r/20110805180116.GB26217@aftab Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> --- arch/x86/kernel/cpu/common.c | 3 +++ arch/x86/kernel/cpu/cpu.h | 1 + 2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 22a073d..8ed394a 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -681,6 +681,9 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) filter_cpuid_features(c, false); setup_smep(c); + + if (this_cpu->c_bsp_init) + this_cpu->c_bsp_init(c); } void __init early_cpu_init(void) diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index e765633..1b22dcc 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -18,6 +18,7 @@ struct cpu_dev { struct cpu_model_info c_models[4]; void (*c_early_init)(struct cpuinfo_x86 *); + void (*c_bsp_init)(struct cpuinfo_x86 *); void (*c_init)(struct cpuinfo_x86 *); void (*c_identify)(struct cpuinfo_x86 *); unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
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