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Commit 478c6e52 authored by Cliff Wickman's avatar Cliff Wickman Committed by Ingo Molnar
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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: default avatarCliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116212050.GD5767@sgi.com


Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c5d35d39

arch/x86/platform/uv/tlb_uv.c

+0 −10
Original line number Diff line number Diff line
@@ -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 {