Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 060feb65 authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

x86, doc: Revert "x86: Document rdmsr_safe restrictions" 



This reverts commit ce37defc
"x86: Document rdmsr_safe restrictions", as these restrictions no longer apply.

Reported-by: default avatarBorislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/20120419171609.GH3221@aftab.osrc.amd.com


Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent 4c5023a3

arch/x86/include/asm/msr.h

+1 −8
Original line number Original line Diff line number Diff line
@@ -169,14 +169,7 @@ static inline int wrmsr_safe(unsigned msr, unsigned low, unsigned high) 
	return native_write_msr_safe(msr, low, high);

	return native_write_msr_safe(msr, low, high);

}

}





/*

/* rdmsr with exception handling */

 * 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.

 */

#define rdmsr_safe(msr, p1, p2)					\

#define rdmsr_safe(msr, p1, p2)					\

({								\

({								\

	int __err;						\

	int __err;						\