CVS commit: [netbsd-6] src/sys/arch/usermode/usermode

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Wed Aug  8 15:32:25 UTC 2012

Modified Files:
        src/sys/arch/usermode/usermode [netbsd-6]: trap.c

Log Message:
Pull up following revision(s) (requested by reinoud in ticket #463):
        sys/arch/usermode/usermode/trap.c: revision 1.66
Fix IO lockups in NetBSD/usermode.
1) Don't block IO signals since the return path is not garanteed to enable the
signal again.
2) Since signals can get dropped, do a 2nd pass over the routines.


To generate a diff of this commit:
cvs rdiff -u -r1.63.2.2 -r1.63.2.3 src/sys/arch/usermode/usermode/trap.c

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