Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756003AbaG3X5x (ORCPT ); Wed, 30 Jul 2014 19:57:53 -0400 Received: from mail-pa0-f50.google.com ([209.85.220.50]:63656 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755091AbaG3X5u (ORCPT ); Wed, 30 Jul 2014 19:57:50 -0400 From: behanw@converseincode.com To: ard.biesheuvel@linaro.org, catalin.marinas@arm.com, k.khlebnikov@samsung.com, olof@lixom.net, peterz@infradead.org, takahiro.akashi@linaro.org, tglx@linutronix.de, will.deacon@arm.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@kernel.org, dwmw2@infradead.org, Behan Webster , Mark Charlebois Subject: [PATCH 3/4] arm64: LLVMLinux: Calculate current_thread_info from current_stack_pointer Date: Wed, 30 Jul 2014 16:57:28 -0700 Message-Id: <1406764649-20326-4-git-send-email-behanw@converseincode.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406764649-20326-1-git-send-email-behanw@converseincode.com> References: <1406764649-20326-1-git-send-email-behanw@converseincode.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Behan Webster Use the global current_stack_pointer to get the value of the stack pointer. This change supports being able to compile the kernel with both gcc and clang. Signed-off-by: Behan Webster Signed-off-by: Mark Charlebois Reviewed-by: Jan-Simon M??ller --- arch/arm64/include/asm/thread_info.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index e6b6094..c2432d2 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -80,8 +80,8 @@ static inline struct thread_info *current_thread_info(void) __attribute_const__; static inline struct thread_info *current_thread_info(void) { - register unsigned long sp asm ("sp"); - return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); + return (struct thread_info *) \ + (current_stack_pointer & ~(THREAD_SIZE - 1)); } #define thread_saved_pc(tsk) \ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/