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PR/38335 CVS commit: [netbsd-5-0] src/sys/arch/alpha/alpha

The following reply was made to PR port-alpha/38335; it has been noted by GNATS.

From: Soren Jacobsen <>
Subject: PR/38335 CVS commit: [netbsd-5-0] src/sys/arch/alpha/alpha
Date: Sun, 15 Nov 2009 05:55:01 +0000

 Module Name:   src
 Committed By:  snj
 Date:          Sun Nov 15 05:55:00 UTC 2009
 Modified Files:
        src/sys/arch/alpha/alpha [netbsd-5-0]: pmap.c
 Log Message:
 Pull up following revision(s) (requested by mhitch in ticket #1137):
        sys/arch/alpha/alpha/pmap.c: revision 1.250
 The tlb shootdown IPI can interrupt the pool_cache_get() in places that
 can cause a deadlock or pool cache corruption.  Take the shootdown job
 queue mutex before calling pool_cache_get(), which will block the IPI
 interrupts and seems to fix the remaining tlb shootdown deadlocks and
 pool cache corruption I've been seeing.  Should address both
 PR port-alpha/38335 and PR port-alpha/42174.
 To generate a diff of this commit:
 cvs rdiff -u -r1.236.14.2 -r1.236.14.3 src/sys/arch/alpha/alpha/pmap.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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