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    Subject[tip:x86/numa] x86: Implement x86_32_early_logical_apicid() for bigsmp_32
    Commit-ID:  12bf24a47c1a095233cc8a8b863b509a0d8e0f2c
    Gitweb: http://git.kernel.org/tip/12bf24a47c1a095233cc8a8b863b509a0d8e0f2c
    Author: Tejun Heo <tj@kernel.org>
    AuthorDate: Sun, 23 Jan 2011 14:37:35 +0100
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Fri, 28 Jan 2011 14:54:07 +0100

    x86: Implement x86_32_early_logical_apicid() for bigsmp_32

    Signed-off-by: Tejun Heo <tj@kernel.org>
    Cc: eric.dumazet@gmail.com
    Cc: yinghai@kernel.org
    Cc: brgerst@gmail.com
    Cc: gorcunov@gmail.com
    Cc: penberg@kernel.org
    Cc: shaohui.zheng@intel.com
    Cc: rientjes@google.com
    LKML-Reference: <1295789862-25482-10-git-send-email-tj@kernel.org>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    arch/x86/kernel/apic/bigsmp_32.c | 8 +++++++-
    1 files changed, 7 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
    index dd32a9b..bc7ed04 100644
    --- a/arch/x86/kernel/apic/bigsmp_32.c
    +++ b/arch/x86/kernel/apic/bigsmp_32.c
    @@ -45,6 +45,12 @@ static unsigned long bigsmp_check_apicid_present(int bit)
    return 1;
    }

    +static int bigsmp_early_logical_apicid(int cpu)
    +{
    + /* on bigsmp, logical apicid is the same as physical */
    + return early_per_cpu(x86_cpu_to_apicid, cpu);
    +}
    +
    static inline unsigned long calculate_ldr(int cpu)
    {
    unsigned long val, id;
    @@ -252,5 +258,5 @@ struct apic apic_bigsmp = {
    .wait_icr_idle = native_apic_wait_icr_idle,
    .safe_wait_icr_idle = native_safe_apic_wait_icr_idle,

    - .x86_32_early_logical_apicid = noop_x86_32_early_logical_apicid,
    + .x86_32_early_logical_apicid = bigsmp_early_logical_apicid,
    };

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