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    SubjectRe: [PATCH 01/16] x86: Kill unused static boot_cpu_logical_apicid in smpboot.c
    From
    On Sun, Jan 23, 2011 at 5:37 AM, Tejun Heo <tj@kernel.org> wrote:
    > Signed-off-by: Tejun Heo <tj@kernel.org>
    > Reviewed-by: Pekka Enberg <penberg@kernel.org>
    > ---
    >  arch/x86/kernel/smpboot.c |    6 +-----
    >  1 files changed, 1 insertions(+), 5 deletions(-)
    >
    > diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
    > index 763df77..c255980 100644
    > --- a/arch/x86/kernel/smpboot.c
    > +++ b/arch/x86/kernel/smpboot.c
    > @@ -165,8 +165,6 @@ static void unmap_cpu_to_node(int cpu)
    >  #endif
    >
    >  #ifdef CONFIG_X86_32
    > -static int boot_cpu_logical_apicid;
    > -
    >  u8 cpu_2_logical_apicid[NR_CPUS] __read_mostly =
    >                                        { [0 ... NR_CPUS-1] = BAD_APICID };
    >
    > @@ -1096,9 +1094,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
    >         * Setup boot CPU information
    >         */
    >        smp_store_cpu_info(0); /* Final full version of the data */
    > -#ifdef CONFIG_X86_32
    > -       boot_cpu_logical_apicid = logical_smp_processor_id();
    > -#endif
    > +
    >        current_thread_info()->cpu = 0;  /* needed? */
    >        for_each_possible_cpu(i) {
    >                zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);

    Acked-by: Yinghai Lu <yinghai@kernel.org>
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