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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8DA63C433EF for ; Sun, 26 Jun 2022 09:22:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Mzvr05sIAz4rTlbau36DqNOkNxaVPpQJ1ycRvBmxsLw=; b=AqO0NeSmb47qPN Uu01BQbCh8IoC39UC+E9R5omGih1zuDV3BLvZ+Q5M6iM6iX3CvPnMgHVrsuArw9bvkfsz3UqsFqMV Vs+zsC9SVoMwabM0vtcq0UZZgO8tDCoz6wuS8X1/dUabSk5ptUBGqOGm2KUr0Vc3fCDWhPRfVas5G 3Bgr+EJQsbQhLUnM7ntwrqLO2UXm3zNgqZjjGu1jISMqzHVCmqKWjE4e9wVoBXKbS3uF/IRT28f0P 9cjHdHil0O/beS0W0wBulMYjY9ZEjfr1KB86NSGEk6Cso90t6end2S3SbNHc9orti/KkgWlqfynr5 B5RqwOIm/NoOD5k4WOxQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o5OSc-00ArGC-Ts; Sun, 26 Jun 2022 09:21:42 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o5OSa-00ArEk-Ay for linux-arm-kernel@lists.infradead.org; Sun, 26 Jun 2022 09:21:41 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8F9402B; Sun, 26 Jun 2022 02:21:39 -0700 (PDT) Received: from FVFF77S0Q05N (unknown [10.57.71.61]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 43DBD3F792; Sun, 26 Jun 2022 02:21:37 -0700 (PDT) Date: Sun, 26 Jun 2022 10:21:33 +0100 From: Mark Rutland To: Will Deacon Cc: andrey.konovalov@linux.dev, Catalin Marinas , kernel-team@android.com, Alexander Potapenko , Dmitry Vyukov , linux-arm-kernel@lists.infradead.org, Vincenzo Frascino , Andrey Konovalov , kasan-dev@googlegroups.com, Andrey Konovalov , Marco Elver , Andrey Ryabinin , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] arm64: kasan: do not instrument stacktrace.c Message-ID: References: <165599625020.2988777.9370908523559678089.b4-ty@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <165599625020.2988777.9370908523559678089.b4-ty@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220626_022140_456080_27807027 X-CRM114-Status: GOOD ( 14.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 On Thu, Jun 23, 2022 at 08:31:32PM +0100, Will Deacon wrote: > On Mon, 23 May 2022 16:51:51 +0200, andrey.konovalov@linux.dev wrote: > > From: Andrey Konovalov > > > > Disable KASAN instrumentation of arch/arm64/kernel/stacktrace.c. > > > > This speeds up Generic KASAN by 5-20%. > > > > As a side-effect, KASAN is now unable to detect bugs in the stack trace > > collection code. This is taken as an acceptable downside. > > > > [...] > > Applied to arm64 (for-next/stacktrace), thanks! I had to fix conflicts > in both of the patches, so please can you take a quick look at the result? > > [1/2] arm64: kasan: do not instrument stacktrace.c > https://git.kernel.org/arm64/c/802b91118d11 > [2/2] arm64: stacktrace: use non-atomic __set_bit > https://git.kernel.org/arm64/c/446297b28a21 I take it that was just the s/frame/state/ conflict? FWIW, that looks good to me; thanks for sorting that out! Mark. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel