Commit 4348e917 authored by Borislav Petkov (AMD)'s avatar Borislav Petkov (AMD)
Browse files

x86/fpu: Clarify the "xa" symbolic name used in the XSTATE* macros 



Tie together the %[xa] in the XSAVE/XRSTOR definitions with the
respective usage in the asm macros so that it is perfectly clear.

No functional changes.

Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
parent 2883b4c2

arch/x86/kernel/fpu/xstate.h

+4 −0
Original line number Diff line number Diff line
@@ -109,6 +109,10 @@ static inline int update_pkru_in_sigframe(struct xregs_state __user *buf, u64 ma 
/*

 * After this @err contains 0 on success or the trap number when the

 * operation raises an exception.

 *

 * The [xa] input parameter below represents the struct xregs_state pointer

 * and the asm symbolic name for the argument used in the XSAVE/XRSTOR insns

 * above.

 */

#define XSTATE_OP(op, st, lmask, hmask, err)				\

	asm volatile("1:" op "\n\t"					\