From: Cliff Wickman <cpw@sgi.com>
Date: Fri, 3 Apr 2009 13:34:32 +0000 (-0500)
Subject: x86: UV BAU messaging timeouts
X-Git-Tag: v2.6.30-rc3~72^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4c4688f72e638708e5f6b5c259699de82a36fec;p=pandora-kernel.git

x86: UV BAU messaging timeouts

This patch replaces a 'nop' uv_enable_timeouts() in the
UV TLB shootdown code. (somehow, long ago that function got
eviscerated)

If any cpu in the destination node does not get interrupted by the
message and post completion in a reasonable time the hardware
should respond to the sender with an error.  This function
enables such timeouts.

Tested on the UV hardware simulator.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
LKML-Reference: <E1LpjXU-00007e-Qh@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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