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| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-04-19 17:07:34 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-04-19 17:07:34 -0700 |
| commit | 060feb650010c261fcfbae9de9348b46cedcd3cd (patch) | |
| tree | 4b9c478222c77bd572201086b62f3c2ec808a171 /arch | |
| parent | 4c5023a3fa2ec12b7ed313b276b157917575745b (diff) | |
| download | linux-060feb650010c261fcfbae9de9348b46cedcd3cd.tar.gz linux-060feb650010c261fcfbae9de9348b46cedcd3cd.tar.bz2 linux-060feb650010c261fcfbae9de9348b46cedcd3cd.zip | |
x86, doc: Revert "x86: Document rdmsr_safe restrictions"
This reverts commit ce37defc0f6673f5ca2c92ed5cfcaf290ae7dd16
"x86: Document rdmsr_safe restrictions", as these restrictions no longer apply.
Reported-by: Borislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/20120419171609.GH3221@aftab.osrc.amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/msr.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 95203d40ffdd..084ef95274cd 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -169,14 +169,7 @@ static inline int wrmsr_safe(unsigned msr, unsigned low, unsigned high) return native_write_msr_safe(msr, low, high); } -/* - * rdmsr with exception handling. - * - * Please note that the exception handling works only after we've - * switched to the "smart" #GP handler in trap_init() which knows about - * exception tables - using this macro earlier than that causes machine - * hangs on boxes which do not implement the @msr in the first argument. - */ +/* rdmsr with exception handling */ #define rdmsr_safe(msr, p1, p2) \ ({ \ int __err; \ |