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>

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 9010ca715c03..affea509c174 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 {