git: vkernel - do not set SA_NODEFER for SIGIO and SIGUSR1

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit aa56bc86de90a38efb257081b2227934e132b83b
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Fri Jul 29 01:21:59 2011 -0700

    vkernel - do not set SA_NODEFER for SIGIO and SIGUSR1
    
    * Do not set SA_NODEFER for SIGIO and SIGUSR1 in vkernels.  This fixes a
      stack overflow which can occur under heavy I/O or IPI loads.

Summary of changes:
 sys/platform/vkernel/i386/exception.c     |    2 ++
 sys/platform/vkernel64/x86_64/exception.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/aa56bc86de90a38efb257081b2227934e132b83b


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