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CVS commit: [netbsd-5-0] src/sys/arch/sparc64

Module Name:    src
Committed By:   sborrill
Date:           Mon Oct 19 09:01:43 UTC 2009

Modified Files:
        src/sys/arch/sparc64/include [netbsd-5-0]: userret.h
        src/sys/arch/sparc64/sparc64 [netbsd-5-0]: trap.c

Log Message:
Pull up the following revisions(s) (requested by nakayama in ticket #1103):
        sys/arch/sparc64/include/userret.h:     revision 1.9
        sys/arch/sparc64/sparc64/trap.c:        revision 1.158

Merge want_ast check in userret() into trap handler, and repeat preempt()
call while want_resched is true.  While there remove unnecessary #if 1. This
should fix a performance degradation of disk I/O on heavy load.

To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.8.12.1 src/sys/arch/sparc64/include/userret.h
cvs rdiff -u -r1.155 -r1.155.8.1 src/sys/arch/sparc64/sparc64/trap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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