Commit 26317812 authored by Linus Walleij's avatar Linus Walleij Committed by Russell King
Browse files

ARM: 8982/1: mm: Simplify act_mm macro 



The act_mm assembly macro is actually partly reimplementing
get_thread_info so let's just use that.

Suggested-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 846484ea

arch/arm/mm/proc-macros.S

+1 −3
Original line number Diff line number Diff line
@@ -5,7 +5,6 @@ 
 *  VMA_VM_FLAGS

 *  VM_EXEC

 */

#include <linux/const.h>

#include <asm/asm-offsets.h>

#include <asm/thread_info.h>
@@ -31,8 +30,7 @@ 
 * act_mm - get current->active_mm

 */

	.macro	act_mm, rd

	bic	\rd, sp, #(THREAD_SIZE - 1) & ~63

	bic	\rd, \rd, #63

	get_thread_info \rd

	ldr	\rd, [\rd, #TI_TASK]

	.if (TSK_ACTIVE_MM > IMM12_MASK)

	add	\rd, \rd, #TSK_ACTIVE_MM & ~IMM12_MASK

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