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[76.93.135.111]) by mx.google.com with ESMTPSA id c7sm76140475pbt.0.2014.03.11.11.40.20 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 11 Mar 2014 11:40:21 -0700 (PDT) From: Sebastian Capella 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 , Lorenzo Pieralisi , Konstantin Khlebnikov , Steven Capper , Stephen Warren , Tejun Heo Subject: [PATCH v8 1/2] ARM: avoid tracers in soft_restart Date: Tue, 11 Mar 2014 11:40:13 -0700 Message-Id: <1394563214-26007-2-git-send-email-sebastian.capella@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1394563214-26007-1-git-send-email-sebastian.capella@linaro.org> References: <1394563214-26007-1-git-send-email-sebastian.capella@linaro.org> Sender: linux-pm-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: sebastian.capella@linaro.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.220.181 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Use of tracers in local_irq_disable is causes recursive aborts when called with irqs disabled and using a temporary stack (hibernation). 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 Cc: Lorenzo Pieralisi Cc: Konstantin Khlebnikov Cc: Steven Capper Cc: Stephen Warren Cc: Tejun Heo --- 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. */