diff options
| -rw-r--r-- | arch/arm/include/asm/assembler.h | 5 | ||||
| -rw-r--r-- | arch/arm/mm/cache-v7.S | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 62f8095d46de..23371b17b23e 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -137,6 +137,11 @@ disable_irq .endm + .macro save_and_disable_irqs_notrace, oldcpsr + mrs \oldcpsr, cpsr + disable_irq_notrace + .endm + /* * Restore interrupt state previously stored in a register. We don't * guarantee that this will preserve the flags. diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 7a24d39661f0..a655d3da386d 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -55,7 +55,7 @@ loop1: cmp r1, #2 @ see what cache we have at this level blt skip @ skip if no cache, or just i-cache #ifdef CONFIG_PREEMPT - save_and_disable_irqs r9 @ make cssr&csidr read atomic + save_and_disable_irqs_notrace r9 @ make cssr&csidr read atomic #endif mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr isb @ isb to sych the new cssr&csidr |