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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 A59DEC433E2 for ; Wed, 2 Sep 2020 17:38:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6EE002083B for ; Wed, 2 Sep 2020 17:38:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599068331; bh=892k+dIylN07Z0BoztCYZcV5Ytx97ziH7oUUHRgPXqo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=z5s4UGLM1XPj+sQfl4GQYsAgG1V08qyPuiZfSJkc+BBxkz6XZtpFGjok+aCI2YY4H sckt5fBvFgFN7A7/Ze20ufMal1NFxmnNVQSvZCtSStPM2MYqloLXNkqeDXol7mgwmO UEZEWhmEXgRffogaNRm1lf0PhDJvbIs6v0Lx7FLE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727080AbgIBRiu (ORCPT ); Wed, 2 Sep 2020 13:38:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:47832 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726310AbgIBRip (ORCPT ); Wed, 2 Sep 2020 13:38:45 -0400 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 86587207EA; Wed, 2 Sep 2020 17:38:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599068324; bh=892k+dIylN07Z0BoztCYZcV5Ytx97ziH7oUUHRgPXqo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YPzU8gtmGBeTUanqpXk7UJRNk6O69/FSTFV8yQVQKfTwJ3X1RGCVRYfU9wkciD2qF oYtTBnekZnRir41Ch1d5oIwLQ4e46jxgMlQXFwagw7ttAfw2RxYwtsttkENJr5geDp O/e7vzV/ldyN8zGyd0/SMs35pcCpruT4H9gowlpk= Date: Wed, 2 Sep 2020 18:38:03 +0100 From: Mark Brown To: Mark Rutland Cc: Catalin Marinas , Will Deacon , Vasily Gorbik , Heiko Carstens , Borislav Petkov , Thomas Gleixner , "H. Peter Anvin" , Christian Borntraeger , Ingo Molnar , Jiri Slaby , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Miroslav Benes Subject: Re: [PATCH v2 0/3] arm64: Convert to ARCH_STACKWALK Message-ID: <20200902173803.GE6162@sirena.org.uk> References: <20200819124913.37261-1-broonie@kernel.org> <20200901160626.GE95447@C02TD0UTHF1T.local> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="jTMWTj4UTAEmbWeb" Content-Disposition: inline In-Reply-To: <20200901160626.GE95447@C02TD0UTHF1T.local> X-Cookie: Prices higher in Alaska and Hawaii. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --jTMWTj4UTAEmbWeb Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 01, 2020 at 05:06:26PM +0100, Mark Rutland wrote: > Just to check, has the skipping logic been tested to work equivalently > to what we had before? By inspection I think it should, but since it > relies on function call boundaries it always strikes me as fragile. > If you could confirm that (e.g. with LKDTM perhaps?)=A0that'd be great. > Assuming that looks right, for the series: I've tested this with LKDTM and otherwise and didn't spot any issues (and just did a bit of retesting) but it is a pretty manual process so it's possible I missed something. --jTMWTj4UTAEmbWeb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl9P2HoACgkQJNaLcl1U h9BFyAf/WmL+czCJwJk4VCBeI8Qs2/FFr8HfxOjvcihHhHLoo47xrAWoGVeJcoGB B0KxiGvi/sgW230Q8vgawFwzN5pte2FFt8RoXRKNste1aMWTVp2d66nHXg4T3Xa+ 1tzhUh1MBWkQCDW2lKroA6RFs4UIX8b0ulYz26VFwpE/is4vcAv77AnCYNIMfqa1 cC/FbZO4VJfSu5vgdtrMSmt0NAczKRI5OpO056olErHtnSmBxagekOrMyDofUwjz TKcOHNMwH/BdiQFL7BjqDZykxwV1MKNcaXSEd/HTsnCurMbMTCfAsakolqbDDDiL DG06jT7beQldWH9+cTAb45lPf08ifQ== =knFg -----END PGP SIGNATURE----- --jTMWTj4UTAEmbWeb--