From patchwork Fri Feb 7 10:18:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AKASHI Takahiro X-Patchwork-Id: 3602421 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E4610BF418 for ; Fri, 7 Feb 2014 11:54:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 35F422010E for ; Fri, 7 Feb 2014 11:54:01 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 53AD120114 for ; Fri, 7 Feb 2014 11:54:00 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBiYz-0004w6-2z; Fri, 07 Feb 2014 10:21:38 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBiYO-0002wN-JM; Fri, 07 Feb 2014 10:21:00 +0000 Received: from mail-pa0-f53.google.com ([209.85.220.53]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBiY1-0002q0-Aa for linux-arm-kernel@lists.infradead.org; Fri, 07 Feb 2014 10:20:38 +0000 Received: by mail-pa0-f53.google.com with SMTP id lj1so2990256pab.40 for ; Fri, 07 Feb 2014 02:20:15 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=9rxkeOcnDhzajukw3k0Up3yxQdHvp10krcPOkGxiNqM=; b=hUVryDEnxFgXEdqDMgVIj1LYee4JPwB/LIkvrebLIjWvjXDGeK/gB67buSvLlAmH2m /FBgXmcMlb/NLlSNVZbNL/+851UA3t5F2G2D4L2ydysltS+MhV9ClxkNVGZuDdRvAfXS cdHJNxS3xBSOnBnCoPMOJMgH3xku+XFLyl4EjkDnoDY0D2rpqnxHulkSGU//t78KQLzn 5qm7GdlT5EFNKCozcH32IwWMuEJF47/msB3L8uOWLblDnXUV0VjobXSweeX0EUtl/ij7 /ycXwJejEMzm6ulHUxyiA1KJKc/ZCEpqmB1t5ujy770louEXKfRSTsTHZyTorPpIFbVB qAkg== X-Gm-Message-State: ALoCoQn2j35zn2mNETshQICau782GAEU8sxOzdVhEQS1zVSbqyy/nsLuSrh2kRJIbDq7IH6L822R X-Received: by 10.68.197.66 with SMTP id is2mr18663545pbc.96.1391768415460; Fri, 07 Feb 2014 02:20:15 -0800 (PST) Received: from localhost.localdomain (KD182249085115.au-net.ne.jp. [182.249.85.115]) by mx.google.com with ESMTPSA id e6sm12093179pbg.4.2014.02.07.02.20.10 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 07 Feb 2014 02:20:14 -0800 (PST) From: AKASHI Takahiro To: rostedt@goodmis.org, fweisbec@gmail.com, mingo@redhat.com, catalin.marinas@arm.com, will.deacon@arm.com, gkulkarni@caviumnetworks.com, tim.bird@sonymobile.com Subject: [PATCH v3 6/6] arm64: Add 'notrace' attribute to unwind_frame() for ftrace Date: Fri, 7 Feb 2014 19:18:56 +0900 Message-Id: <1391768336-5642-7-git-send-email-takahiro.akashi@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1391768336-5642-1-git-send-email-takahiro.akashi@linaro.org> References: <1382598488-13511-1-git-send-email-takahiro.akashi@linaro.org> <1391768336-5642-1-git-send-email-takahiro.akashi@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140207_052037_498547_397658E4 X-CRM114-Status: UNSURE ( 9.45 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) Cc: linaro-kernel@lists.linaro.org, patches@linaro.org, arndb@arndb.de, linux-kernel@vger.kernel.org, AKASHI Takahiro , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP walk_stackframe() calls unwind_frame(), and if walk_stackframe() is "notrace", unwind_frame() should be also "notrace". Signed-off-by: AKASHI Takahiro --- arch/arm64/kernel/stacktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index c3b6c63..54122c4 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -35,7 +35,7 @@ * ldp x29, x30, [sp] * add sp, sp, #0x10 */ -int unwind_frame(struct stackframe *frame) +int notrace unwind_frame(struct stackframe *frame) { unsigned long high, low; unsigned long fp = frame->fp;