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| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-05-17 00:22:41 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-05-17 00:22:41 +0400 |
| commit | 796038799a72adb279d785c9154df6eeb98b6e8d (patch) | |
| tree | cb8d244b42bb988a07bbffa8eeffab3f3200591a /arch/x86/realmode/rm/trampoline_32.S | |
| parent | 34d0b02e08470c56a411ba6da1f377bc6da02826 (diff) | |
| download | linux-796038799a72adb279d785c9154df6eeb98b6e8d.tar.xz | |
x86, realmode: Mask out EFER.LMA when saving trampoline EFER
Some AMD processors apparently #GP(0) if EFER.LMA is set in WRMSR,
rather than ignoring it. Thus, we need to mask it out.
Reported-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Borislav Petkov <bp@alien8.de>
Cc: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1336501366-28617-24-git-send-email-jarkko.sakkinen@intel.com
Diffstat (limited to 'arch/x86/realmode/rm/trampoline_32.S')
0 files changed, 0 insertions, 0 deletions