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Subject[PATCH v3 2/3] ARM: avoid tracers in soft_restart
Date
Use of tracers in local_irq_disable is causes abort loops when called
with irqs disabled using a temporary stack. Replace local_irq_disable
with raw_local_irq_disable instead to avoid tracers.

Signed-off-by: Sebastian Capella <sebastian.capella@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Robin Holt <robin.m.holt@gmail.com>
---
arch/arm/kernel/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 92f7b15..f58b723 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -100,7 +100,7 @@ void soft_restart(unsigned long addr)
u64 *stack = soft_restart_stack + ARRAY_SIZE(soft_restart_stack);

/* Disable interrupts first */
- local_irq_disable();
+ raw_local_irq_disable();
local_fiq_disable();

/* Disable the L2 if we're the last man standing. */
--
1.7.9.5


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