x86: introduce noxsave boot parameter
commit0c752a93353d9b17dbe148312d732fbe06d235e1
authorSuresh Siddha <suresh.b.siddha@intel.com>
Fri, 22 May 2009 19:17:45 +0000 (22 12:17 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Fri, 22 May 2009 20:10:54 +0000 (22 13:10 -0700)
tree944b37d214dd478abc1c5d2b51573ec87be59c63
parentbca23dba760d6705c013f89113c46570378fb626
x86: introduce noxsave boot parameter

Introduce "noxsave" boot parameter which will disable the cpu's xsave/xrstor
capabilities. Useful for debugging and working around xsave related issues.

[ Impact: make it possible to debug problems in the field ]

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Documentation/kernel-parameters.txt
arch/x86/kernel/cpu/common.c