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 52805C369C2 for ; Tue, 22 Apr 2025 11:05:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H9iXRvvlMp61keyB43OuJP77K0mIuP0I0t1mbGGxgIM=; b=XxRZm0UOvWv8xVLC/3mqYabuUT LD5SxfO2UAktgSLjhk/9TNdKd5qOskfhEn2GDII/roGqr9vDCuTNvfV8oXRn6a59ZWurAnpkXDdnm aMipe2octKivn2GkYGTXoRERG9AxTxDraMQZFrJynJ6x7wyaAg7gYen22QK58xDTBz3oqh4Y9HH8S xY6ItG8o23v/FrimMXP1nlo6qn7CsGlh0eyy3/cop8mNKQrSzbNdEmaIp2BFrKJoQAWVF23H5zAOC Ko87U1tQqoRi38VRMw6Mi7emgkq20zCao6J0lsUQFJjo3kDqCZRmlDjURqGSA45ndwZga4qwJF44k j3W+7vFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u7BRW-00000006se6-483h; Tue, 22 Apr 2025 11:05:34 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u7Amn-00000006jrm-1s6Y for kexec@lists.infradead.org; Tue, 22 Apr 2025 10:23:30 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id D88735C5AC9; Tue, 22 Apr 2025 10:21:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 064A9C4CEE9; Tue, 22 Apr 2025 10:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745317408; bh=GZxrYBqQBXppm3LaGAF4B92nKPIRJYF2oXWlcivlKC4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ag4snIpJc0wi0Vkbeqrb9C7HG7rcmyD7Rs8taAmOeswZEPSGBBiyKdQ21tTSx0l1M eH9uB4VcNGU7GHooIL5lb0cJ8QB8eaWdKggPaijDQkhURZrgPdMNIBmESee3O2z9zN LRi+41s+VOZjMEHGDJvPHOhX1+OZSPwg3Ydjo7b9FHriVxvjRpRwg4ojsGMpDBMbRa 4kq/lWGFpa8kw8W4/tamw3N2aLl+ylJotzNaKPw56oGiV6sor+11KGqKdB1vk4Pyoq EKiQ6mmnjNSB6Bng6CvOEVcC6tFdGfUrPzbsr1qwVBVggAcGCT1R5axLKqreRmJL4/ SsrqwuhSRCovA== Date: Tue, 22 Apr 2025 11:23:25 +0100 From: Simon Horman To: Ross Lagerwall Cc: kexec@lists.infradead.org Subject: Re: [PATCH] x86_64: Use the x86-64 level for purgatory Message-ID: <20250422102325.GS2789685@horms.kernel.org> References: <20250417083140.697272-1-ross.lagerwall@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250417083140.697272-1-ross.lagerwall@citrix.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250422_032329_541794_FD175F10 X-CRM114-Status: GOOD ( 11.87 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Thu, Apr 17, 2025 at 09:31:40AM +0100, Ross Lagerwall wrote: > The compiler may be configured by default to use a newer > microarchitecture level such as x86-64-v3. Set purgatory to compile > using the baseline x86-64 level since the environment isn't set up > correctly to use SSE and AVX instructions. At the same time, be a bit > paranoid and add some additional flags to ensure that the compiler > doesn't use any such instructions. > > Signed-off-by: Ross Lagerwall Thanks Ross, applied for inclusion in v2.0.32.