From 8229c54fa1747765dae1a77875b04e4d69f6ab62 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 13 Apr 2014 20:24:51 +0100 Subject: [PATCH] ARM: consolidate last remaining open-coded alignment trap enable We can use the alignment_trap assembly macro here too. Signed-off-by: Russell King --- arch/arm/kernel/entry-armv.S | 2 +- arch/arm/kernel/entry-common.S | 8 +------- 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 cac5b88216e6..cb6fa30c22a7 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 a2dcafdf1bc8..7139d4a7dea7 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 1420725142ca..45a1df9bf759 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