From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E19D9C43461 for ; Mon, 14 Sep 2020 15:41:10 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9715920EDD for ; Mon, 14 Sep 2020 15:41:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LBrr1MJb"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="0sLp88Se" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9715920EDD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=tifwsuylJsUCI9CHVoulXoGCc61CZng+BBxRFR6qzxw=; b=LBrr1MJbazuOKVL8IYV6ZV10yt QxPaO6rhgfmPiTGG7d2zAJ3uoGWSoQpjVhx6KUsFeHQbNXEaDutdOpaFEQVFgp1Qua/XTF91Knwsj 43FXQ7sZTYyuFdc8r8sAb8TnrmnMiIzHUSE2W5Hk3ZeMYE2LR9Po4mxJE/rHnVCluScAX+KIMYwEh Pb/KbC1ce0M63Ht1K+E/OLRmM1QsFHqdxfFKfM/nGt0lka/a+s056bFutt7ZqaSumLFVhMUghNKDQ J+OfuPtRqaA3lkMmVEXzvKQERsToUyrVDzvks2u6MQczrPqNM1OR8sk1tt3bPYVtf2Qb4CeL6UKJD MAWiUd0A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kHqa5-0004ri-CH; Mon, 14 Sep 2020 15:39:49 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kHqa2-0004qQ-3M for linux-arm-kernel@lists.infradead.org; Mon, 14 Sep 2020 15:39:46 +0000 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A650520756; Mon, 14 Sep 2020 15:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600097985; bh=1/HRpWVLm3KozpwWOHhLU5lAY+Y9eor2wMD4c3TuAOk=; h=From:To:Cc:Subject:Date:From; b=0sLp88SevaVMui3fppmWjovac2mIWKCqW/heaoZNysr/TNOkFyrx477mDq0cl7XBD WLQK1auUTfxVBFekcIw2ISS2ERAe5fjczE/IRG2oI7/pTNKz++tX2ZwTXMjvMRKFH2 NZzjzeZRq0d/xr6AnD0XOWKC9xK8uMwXiisY6k7o= From: Mark Brown To: Catalin Marinas , Will Deacon Subject: [PATCH v3 0/3] arm64: Convert to ARCH_STACKWALK Date: Mon, 14 Sep 2020 16:34:06 +0100 Message-Id: <20200914153409.25097-1-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200914_113946_202784_A35B8F5F X-CRM114-Status: GOOD ( 14.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , linux-s390@vger.kernel.org, Vasily Gorbik , Heiko Carstens , x86@kernel.org, linux-kernel@vger.kernel.org, Christian Borntraeger , Mark Brown , Borislav Petkov , "H . Peter Anvin" , Thomas Gleixner , Miroslav Benes , Jiri Slaby , Ingo Molnar , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series updates the arm64 stacktrace code to use the newer and much simpler arch_stack_walk() interface, the main benefit being a single entry point to the arch code with no need for the arch code to worry about skipping frames. Along the way I noticed that the reliable parameter to the arch_stack_walk() callback appears to be redundant so there's also a patch here removing that from the existing code to simplify the interface. This is preparatory work for implementing reliable stack trace for arm64. v3: - Rebase onto v5.9-rc3. - Fix handling of task == current. - Flip the sense of the walk_stackframe() callback. v2: - Rebase onto v5.9-rc1. Mark Brown (3): stacktrace: Remove reliable argument from arch_stack_walk() callback arm64: stacktrace: Make stack walk callback consistent with generic code arm64: stacktrace: Convert to ARCH_STACKWALK arch/arm64/Kconfig | 1 + arch/arm64/include/asm/stacktrace.h | 2 +- arch/arm64/kernel/perf_callchain.c | 6 +-- arch/arm64/kernel/return_address.c | 8 +-- arch/arm64/kernel/stacktrace.c | 84 +++++------------------------ arch/s390/kernel/stacktrace.c | 4 +- arch/x86/kernel/stacktrace.c | 10 ++-- include/linux/stacktrace.h | 5 +- kernel/stacktrace.c | 8 ++- 9 files changed, 32 insertions(+), 96 deletions(-) base-commit: f75aef392f869018f78cfedf3c320a6b3fcfda6b -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel