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| author | Jeff Garzik <jeff@garzik.org> | 2006-08-29 17:55:59 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-08-29 17:55:59 -0400 |
| commit | b01e86fee6c821e4e003fd4e9f65453ac478a58e (patch) | |
| tree | 21695e10cbe7001d2ccc8c87cee5e7a7865b1025 /arch/arm/kernel/entry-armv.S | |
| parent | e889173c2c67dc288e9b050ab066cfae151b047e (diff) | |
| parent | 60d4684068ff1eec78f55b5888d0bd2d4cca1520 (diff) | |
Merge /spare/repo/linux-2.6 into upstream
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 7ea5f01dfc7..de4e3313790 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -634,6 +634,14 @@ ENTRY(__switch_to) * purpose. */ + .macro usr_ret, reg +#ifdef CONFIG_ARM_THUMB + bx \reg +#else + mov pc, \reg +#endif + .endm + .align 5 .globl __kuser_helper_start __kuser_helper_start: @@ -675,7 +683,7 @@ __kuser_memory_barrier: @ 0xffff0fa0 #if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP) mcr p15, 0, r0, c7, c10, 5 @ dmb #endif - mov pc, lr + usr_ret lr .align 5 @@ -778,7 +786,7 @@ __kuser_cmpxchg: @ 0xffff0fc0 mov r0, #-1 adds r0, r0, #0 #endif - mov pc, lr + usr_ret lr #else @@ -792,7 +800,7 @@ __kuser_cmpxchg: @ 0xffff0fc0 #ifdef CONFIG_SMP mcr p15, 0, r0, c7, c10, 5 @ dmb #endif - mov pc, lr + usr_ret lr #endif @@ -834,16 +842,11 @@ __kuser_cmpxchg: @ 0xffff0fc0 __kuser_get_tls: @ 0xffff0fe0 #if !defined(CONFIG_HAS_TLS_REG) && !defined(CONFIG_TLS_REG_EMUL) - ldr r0, [pc, #(16 - 8)] @ TLS stored at 0xffff0ff0 - mov pc, lr - #else - mrc p15, 0, r0, c13, c0, 3 @ read TLS register - mov pc, lr - #endif + usr_ret lr .rep 5 .word 0 @ pad up to __kuser_helper_version |