From mboxrd@z Thu Jan 1 00:00:00 1970 From: sboyd@codeaurora.org (Stephen Boyd) Date: Wed, 28 Jan 2015 12:22:41 -0800 Subject: [PATCH 0/2] Fix secondary CPU boot for thumb2 kernels In-Reply-To: <1421869698-27341-1-git-send-email-sboyd@codeaurora.org> References: <1421869698-27341-1-git-send-email-sboyd@codeaurora.org> Message-ID: <54C94511.30508@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/21/15 11:48, Stephen Boyd wrote: > Currently I can't boot up secondary CPUs on qcom platforms when I > compile the kernel for THUMB2 mode. This is because we always enter > the kernel in ARM mode regardless of what mode the kernel is compiled > for. This patchset adds a small wrapper to secondary_startup() called > secondary_startup_arm() that allows us to switch into THUMB2 mode if > we need to. If the kernel is compiled for ARM mode it shouldn't have > any effect. > > Stephen Boyd (2): > ARM: Add a secondary_startup that assumes ARM mode > ARM: qcom: Use secondary_startup_arm() > > arch/arm/kernel/head.S | 7 +++++++ > arch/arm/mach-qcom/platsmp.c | 4 ++-- > 2 files changed, 9 insertions(+), 2 deletions(-) > Any comments here? Perhaps I can send this through the patch tracker? -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project