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    Subject[tip:x86/uv] x86: UV, SGI RTC: loop through installed UV blades
    Commit-ID:  8661984f628c6f7d9cbaac6697f26d6b0be3ad3b
    Gitweb: http://git.kernel.org/tip/8661984f628c6f7d9cbaac6697f26d6b0be3ad3b
    Author: "Dimitri Sivanich" <sivanich@sgi.com>
    AuthorDate: Wed, 4 Mar 2009 12:57:19 -0600
    Commit: Ingo Molnar <mingo@elte.hu>
    CommitDate: Wed, 4 Mar 2009 20:25:37 +0100

    x86: UV, SGI RTC: loop through installed UV blades

    Add macro to loop through each possible blade.

    Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: john stultz <johnstul@us.ibm.com>
    LKML-Reference: <20090304185719.GB24419@sgi.com>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>


    ---
    arch/x86/include/asm/uv/uv_hub.h | 4 ++++
    1 files changed, 4 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
    index 777327e..9f4dfba 100644
    --- a/arch/x86/include/asm/uv/uv_hub.h
    +++ b/arch/x86/include/asm/uv/uv_hub.h
    @@ -199,6 +199,10 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
    #define SCIR_CPU_ACTIVITY 0x02 /* not idle */
    #define SCIR_CPU_HB_INTERVAL (HZ) /* once per second */

    +/* Loop through all installed blades */
    +#define for_each_possible_blade(bid) \
    + for ((bid) = 0; (bid) < uv_num_possible_blades(); (bid)++)
    +
    /*
    * Macros for converting between kernel virtual addresses, socket local physical
    * addresses, and UV global physical addresses.

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