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-rw-r--r--arch/arm/include/asm/assembler.h5
-rw-r--r--arch/arm/mm/cache-v7.S2
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 @@
137 disable_irq 137 disable_irq
138 .endm 138 .endm
139 139
140 .macro save_and_disable_irqs_notrace, oldcpsr
141 mrs \oldcpsr, cpsr
142 disable_irq_notrace
143 .endm
144
140/* 145/*
141 * Restore interrupt state previously stored in a register. We don't 146 * Restore interrupt state previously stored in a register. We don't
142 * guarantee that this will preserve the flags. 147 * 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:
55 cmp r1, #2 @ see what cache we have at this level 55 cmp r1, #2 @ see what cache we have at this level
56 blt skip @ skip if no cache, or just i-cache 56 blt skip @ skip if no cache, or just i-cache
57#ifdef CONFIG_PREEMPT 57#ifdef CONFIG_PREEMPT
58 save_and_disable_irqs r9 @ make cssr&csidr read atomic 58 save_and_disable_irqs_notrace r9 @ make cssr&csidr read atomic
59#endif 59#endif
60 mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr 60 mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr
61 isb @ isb to sych the new cssr&csidr 61 isb @ isb to sych the new cssr&csidr