From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b10km-0000k2-0Q for qemu-devel@nongnu.org; Thu, 12 May 2016 20:14:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b10kj-0002nR-PD for qemu-devel@nongnu.org; Thu, 12 May 2016 20:14:50 -0400 Received: from mail-qg0-x242.google.com ([2607:f8b0:400d:c04::242]:36430) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b10kj-0002nN-Jw for qemu-devel@nongnu.org; Thu, 12 May 2016 20:14:49 -0400 Received: by mail-qg0-x242.google.com with SMTP id f74so6833988qge.3 for ; Thu, 12 May 2016 17:14:49 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Thu, 12 May 2016 14:13:13 -1000 Message-Id: <1463098420-29113-13-git-send-email-rth@twiddle.net> In-Reply-To: <1463098420-29113-1-git-send-email-rth@twiddle.net> References: <1463098420-29113-1-git-send-email-rth@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 12/39] tcg: Note requirement on atomic direct jump patching List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, Sergey Fedorov , Sergey Fedorov From: Sergey Fedorov Signed-off-by: Sergey Fedorov Signed-off-by: Sergey Fedorov Reviewed-by: Alex Bennée Message-Id: <1461341333-19646-12-git-send-email-sergey.fedorov@linaro.org> Signed-off-by: Richard Henderson --- include/exec/exec-all.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 30cdd69..6c113a3 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -230,6 +230,7 @@ static inline void tlb_flush_by_mmuidx(CPUState *cpu, ...) || defined(__sparc__) || defined(__aarch64__) \ || defined(__s390x__) || defined(__mips__) \ || defined(CONFIG_TCG_INTERPRETER) +/* NOTE: Direct jump patching must be atomic to be thread-safe. */ #define USE_DIRECT_JUMP #endif -- 2.5.5