CVS commit: src/sys/arch/x86

["Chuck Silvers" <chs%netbsd.org@localhost>]

Module Name:    src
Committed By:   chs
Date:           Fri Apr  6 17:23:40 UTC 2012

Modified Files:
        src/sys/arch/x86/include: specialreg.h
        src/sys/arch/x86/x86: errata.c

Log Message:
bring in this change from openbsd:
Implement the AMD suggested workaround for family 10h & 12h errata 721
"Processor May Incorrectly Update Stack Pointer" by setting a bit
marked 'reserved' in an MSR that is only "documented" to exist on 12h.


To generate a diff of this commit:
cvs rdiff -u -r1.56 -r1.57 src/sys/arch/x86/include/specialreg.h
cvs rdiff -u -r1.19 -r1.20 src/sys/arch/x86/x86/errata.c

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