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Commit 64b028b2 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86: Clean up the loadsegment() macro 



Make it readable in the source too, not just in the assembly output.
No change in functionality.

Cc: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1259176706-5908-1-git-send-email-brgerst@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 79b0379c

arch/x86/include/asm/system.h

+15 −13
Original line number Diff line number Diff line
@@ -157,16 +157,18 @@ extern void native_load_gs_index(unsigned); 
 */

#define loadsegment(seg, value)						\

do {									\

	unsigned short __val = value;		\

	unsigned short __val = (value);					\

									\

	asm volatile("						\n"	\

		     "1:\t"			\

		     "movl %k0,%%" #seg "\n"	\

		     "1:	movl %k0,%%" #seg "		\n"	\

									\

		     ".section .fixup,\"ax\"			\n"	\

		     "2:\t"			\

		     "xorl %k0,%k0\n\t"		\

		     "2:	xorl %k0,%k0			\n"	\

		     "		jmp 1b				\n"	\

		     ".previous					\n"	\

									\

		     _ASM_EXTABLE(1b, 2b)				\

									\

		     : "+r" (__val) : : "memory");			\

} while (0)