Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 05:02:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Nicolas Pitre 2006-01-18 22:38:49 +00:00 committed by Russell King
parent fcca538b83
commit 5e0974459d
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/kernel/entry-armv.S
View File

@ -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