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    Subject[tip:x86/urgent] x86/UV2: Remove stale no-resources test for UV2 BAU
    Commit-ID:  478c6e529e7bd7c6ef8994c55bd252c287c35893
    Gitweb: http://git.kernel.org/tip/478c6e529e7bd7c6ef8994c55bd252c287c35893
    Author: Cliff Wickman <cpw@sgi.com>
    AuthorDate: Mon, 16 Jan 2012 15:20:50 -0600
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Tue, 17 Jan 2012 09:09:56 +0100

    x86/UV2: Remove stale no-resources test for UV2 BAU

    This patch removes an unnecessary test for a
    no-destination-resources-available condition that looks like a
    destination timeout in UV1, but is separately distinguishable in
    UV2.

    Signed-off-by: Cliff Wickman <cpw@sgi.com>
    Link: http://lkml.kernel.org/r/20120116212050.GD5767@sgi.com
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    arch/x86/platform/uv/tlb_uv.c | 10 ----------
    1 files changed, 0 insertions(+), 10 deletions(-)

    diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
    index 9010ca7..affea50 100644
    --- a/arch/x86/platform/uv/tlb_uv.c
    +++ b/arch/x86/platform/uv/tlb_uv.c
    @@ -642,16 +642,6 @@ static int uv2_wait_completion(struct bau_desc *bau_desc,
    } else if (descriptor_stat == UV2H_DESC_DEST_TIMEOUT) {
    stat->s_dtimeout++;
    ttm = get_cycles();
    - /*
    - * Our retries may be blocked by all destination
    - * swack resources being consumed, and a timeout
    - * pending. In that case hardware returns the
    - * ERROR that looks like a destination timeout.
    - */
    - if (cycles_2_us(ttm - bcp->send_message) < timeout_us) {
    - bcp->conseccompletes = 0;
    - return FLUSH_RETRY_PLUGGED;
    - }
    bcp->conseccompletes = 0;
    return FLUSH_RETRY_TIMEOUT;
    } else {

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