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    Subject[PATCH 3/5] x86 idle: remove NOP halt_works()
    Date
    From: Len Brown <len.brown@intel.com>

    no functional change

    Signed-off-by: Len Brown <len.brown@intel.com>
    ---
    arch/x86/include/asm/processor.h | 5 -----
    arch/x86/kernel/process.c | 3 +--
    2 files changed, 1 insertions(+), 7 deletions(-)

    diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
    index b5c83f1..8776232 100644
    --- a/arch/x86/include/asm/processor.h
    +++ b/arch/x86/include/asm/processor.h
    @@ -147,11 +147,6 @@ DECLARE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);

    extern const struct seq_operations cpuinfo_op;

    -static inline int hlt_works(int cpu)
    -{
    - return 1;
    -}
    -
    #define cache_line_size() (boot_cpu_data.x86_cache_alignment)

    extern void cpu_detect(struct cpuinfo_x86 *c);
    diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
    index 4966c7e..cd461c3 100644
    --- a/arch/x86/kernel/process.c
    +++ b/arch/x86/kernel/process.c
    @@ -414,8 +414,7 @@ void stop_this_cpu(void *dummy)
    disable_local_APIC();

    for (;;) {
    - if (hlt_works(smp_processor_id()))
    - halt();
    + halt();
    }
    }

    --
    1.7.4.1.343.ga91df


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