diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-13 20:24:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-06-02 09:20:20 +0100 |
| commit | 8229c54fa1747765dae1a77875b04e4d69f6ab62 (patch) | |
| tree | 359deac974ef4297566ca8dfd59e72c501c3d38d /arch/arm | |
| parent | 0aeb3408ca9773283b0ae63771c4b17f39e204df (diff) | |
ARM: consolidate last remaining open-coded alignment trap enable
We can use the alignment_trap assembly macro here too.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 8 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-header.S | 4 |
3 files changed, 4 insertions, 10 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index cac5b88216e..cb6fa30c22a 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -344,7 +344,7 @@ ENDPROC(__pabt_svc) @ @ Enable the alignment trap while in kernel mode @ - alignment_trap r0 + alignment_trap r0, .LCcralign @ @ Clear FP to mark the first stack frame diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index a2dcafdf1bc..7139d4a7dea 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -365,13 +365,7 @@ ENTRY(vector_swi) str r0, [sp, #S_OLD_R0] @ Save OLD_R0 #endif zero_fp - -#ifdef CONFIG_ALIGNMENT_TRAP - ldr ip, __cr_alignment - ldr ip, [ip] - mcr p15, 0, ip, c1, c0 @ update control register -#endif - + alignment_trap ip, __cr_alignment enable_irq ct_user_exit get_thread_info tsk diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 1420725142c..45a1df9bf75 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -37,9 +37,9 @@ #endif .endm - .macro alignment_trap, rtemp + .macro alignment_trap, rtemp, label #ifdef CONFIG_ALIGNMENT_TRAP - ldr \rtemp, .LCcralign + ldr \rtemp, \label ldr \rtemp, [\rtemp] mcr p15, 0, \rtemp, c1, c0 #endif |