From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Capella Subject: [PATCH v3 2/3] ARM: avoid tracers in soft_restart Date: Tue, 25 Feb 2014 16:01:59 -0800 Message-ID: <1393372920-3896-3-git-send-email-sebastian.capella@linaro.org> References: <1393372920-3896-1-git-send-email-sebastian.capella@linaro.org> Return-path: In-Reply-To: <1393372920-3896-1-git-send-email-sebastian.capella@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linaro-kernel@lists.linaro.org, linux-arm-kernel@lists.infradead.org Cc: Sebastian Capella , Russell King , Andrew Morton , Thomas Gleixner , Will Deacon , Robin Holt List-Id: linux-pm@vger.kernel.org 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 Cc: Russell King Cc: Andrew Morton Cc: Thomas Gleixner Cc: Will Deacon Cc: Robin Holt --- 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