From mboxrd@z Thu Jan 1 00:00:00 1970 From: timur@codeaurora.org (Timur Tabi) Date: Thu, 23 Feb 2017 14:46:49 -0600 Subject: [PATCH v2] arm64: Fix the kernel panic() on QDF2400 platform In-Reply-To: <1487880125-1371-1-git-send-email-shankerd@codeaurora.org> References: <1487880125-1371-1-git-send-email-shankerd@codeaurora.org> Message-ID: <4d97310a-4b91-07ac-1ce0-faacb8da03b0@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 02/23/2017 02:02 PM, Shanker Donthineni wrote: > The commit 38fd94b0275c 'arm64: Work around Falkor erratum 1003' has > been added to fix the hardware bug but causing a system crash. The "causes" > value of the register x1 which contains 'struct mm_struct *' should > be preserved inside macro pre_ttbr0_update_workaround. The subject line seems a bit vague and alarmist to me. In my opinion, this is more descriptive: arm64: qcom: pre_ttbr0_update_workaround should not clobber register x1 -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.