Commit 5e097445 authored Jan 18, 2006 by Nicolas Pitre Committed by Russell King Jan 18, 2006

[ARM] 3271/1: ARM EABI: fix calling of cmpxchg syscall emulation



Patch from Nicolas Pitre

This is kernel provided user space code.

Since a syscall is used, it has to be updated to work with EABI.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent fcca538b

arch/arm/kernel/entry-armv.S

+4 −1

Original line number	Diff line number	Diff line
		@@ -735,8 +735,11 @@ __kuser_cmpxchg: @ 0xffff0fc0
		* The kernel itself must perform the operation.
		* A special ghost syscall is used for that (see traps.c).
		*/
		stmfd sp!, {r7, lr}
		mov r7, #0xff00 @ 0xfff0 into r7 for EABI
		orr r7, r7, #0xf0
		swi #0x9ffff0
		mov pc, lr
		ldmfd sp!, {r7, pc}

		#elif __LINUX_ARM_ARCH__ < 6