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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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