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=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 25634C433C1 for ; Fri, 19 Mar 2021 17:13:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4D236196F for ; Fri, 19 Mar 2021 17:13:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229949AbhCSRNZ (ORCPT ); Fri, 19 Mar 2021 13:13:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:37004 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230047AbhCSRNA (ORCPT ); Fri, 19 Mar 2021 13:13:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B09B36191E; Fri, 19 Mar 2021 17:12:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616173980; bh=uDhMMbrq9my6cPt0LQ0nvw3mts2ZTsfmJd5fIsqnNUg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CQuP/rkNNhpR6bBvaP9CzRE66yWr6NfTvEZRFougZJ8n6q0S0bKXAKZeY+3ltkwnB MnzJj7R6BsJmUnW3Fm46Hac8yMqerFdOPkF58lGUqmLYFGrczvRKQg9mNK8sFsURlO cG0OovaHjv/Pg97DnWZWca+67FeMrMSz7DsNWcQNBcRMY0uHOyePHnzOsLoD7TU0om aL9vbDNCdYpZtBqLWxz00toIasUP7cL684U2PkUgOCb0nyH2WHH0cKgOTLbT95jnoi jTSr/eayK6tn3LBphwJUEOjAGH9nz3vJFGApa6+nkJVY99BUH4UKgt9p1X/EvISdxg iiBvbWbRfEZRQ== Date: Fri, 19 Mar 2021 17:12:56 +0000 From: Mark Brown To: Andre Przywara Cc: Will Deacon , Catalin Marinas , Shuah Khan , Amit Daniel Kachhap , Vincenzo Frascino , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Nathan Chancellor , Nick Desaulniers , clang-built-linux@googlegroups.com Subject: Re: [PATCH 00/11] kselftest/arm64: mte: Fix feature detection and compilation Message-ID: <20210319171256.GJ5619@sirena.org.uk> References: <20210319165334.29213-1-andre.przywara@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="LQAwcd5tHl0Qlnzi" Content-Disposition: inline In-Reply-To: <20210319165334.29213-1-andre.przywara@arm.com> X-Cookie: No purchase necessary. User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org --LQAwcd5tHl0Qlnzi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Mar 19, 2021 at 04:53:23PM +0000, Andre Przywara wrote: > When trying to run the arm64 MTE (Memory Tagging Extension) selftests > on a model with the new FEAT_MTE3 capability, the MTE feature detection > failed, because it was overzealously checking for one exact feature > version only (0b0010). Trying to fix that (patch 06/11) led me into the > rabbit hole of userland tool compilation, which triggered patches Reviewed-by: Mark Brown --LQAwcd5tHl0Qlnzi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEyBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmBU25cACgkQJNaLcl1U h9CEdwf3YoRRl30t3x5bn0WGArLP2mi6Ooy91v0UBGn8SFscluaqqoT/iW0j+fo9 XgYlbrtm3Ebom03v+noCm5DxfhoKHv6WY2Zia1esAcx6DR6Jug+A2L0bThyv0F/Q KwSMs/u8hoonRB3D/TObp1bQBolcrQpxpMq1uuAqLp4Ri25OgEFhpeCs6r1ZLRrh SGGcQ2/5At6EBSOY1QOD4S9x9HIA9bzwy4x+67913KMMlmG81QXDSg6H1z8QhqgJ 3fwkumsCXNHlWxUNSnekBWMfgXaqiCHj3rr+HnHf98i8r4tpwiZiCb1PhzBoVv/x 6ALw7xjE/RT9etfrnZN2/1krg+TO =jCOF -----END PGP SIGNATURE----- --LQAwcd5tHl0Qlnzi--