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 EA813C369D7 for ; Wed, 23 Apr 2025 17:43:53 +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=gz6XPH5dTXhZ+p7z4WCpqGdZLtsXQJypb0y2zX//0iQ=; b=b7vGG5/j4w3ZSOz+149eVPLo9J m/J/ObRcLnRheVkbgHRaasFF9f71HhQ/Yv3CkwKFEF/zcN6h3bGdzMIlwpbQgi77NOG7Opw+jtOFl IUr1ZGVJTIPAbNII3r50RUGoAMKboU5M7wEG84zGJqLDtjJAGTLIMiHT+JTG/GnAaIxgruDw4OGzH V83ZwoatcuyxJjRc3ZLL0Bh8Uj57YB1hxe+u6hk40dUr1HOzrh2LR8VALpau06rBcxmlHLsGBBEqj Kqc2cfzDFaTflnT4rNNNPDem4HvYJ7Q/bsXigN6yKSOJsBVu3N9bJAc7gdiG1V+FWE93gyLrlS27E S2tHPKuQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u7e8X-0000000BNUr-02IB; Wed, 23 Apr 2025 17:43:53 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u7cIV-0000000B0pX-2aw4 for kexec@lists.infradead.org; Wed, 23 Apr 2025 15:46:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id D758C5C5D54; Wed, 23 Apr 2025 15:43:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08C44C4CEE2; Wed, 23 Apr 2025 15:46:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745423162; bh=BhZFpUxi94GLjJWTWf7FPpAvH1veItLj/dYL0TaLmtg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qioLqQsNnt+av13XR17DWTzrP+JvN0nHwiwZVgokh5egYB49NtqNFXi4lqdoNAm3g V2i7bWNbFrWbD2koZJK2nyYTPo+TdgXmEFqELVskJxXr9q1JJgJAuHjgP6bRhpRtZN 5Go3/cg7FH57HwytURS/n9Qxc7Nn0GCdVsSZrJ2s6zgheZ5UHWiHbY59szEzI/8TfM /tyU6+jfkzS0JDzGy8KsIv7LUF2hL9eFYL1LfFdWYoq7HRcn8un0vXe0QaoWd+uaRa ZxH2OVLIwvsMJlloeWJO9lTC8/HRjKPkQhw5nVtDjG38yI+chq98OuQoHJdgj27oFU hxKrwMhj892bQ== Date: Wed, 23 Apr 2025 16:45:59 +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: <20250423154559.GY2843373@horms.kernel.org> References: <20250417083140.697272-1-ross.lagerwall@citrix.com> <20250422102325.GS2789685@horms.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250422102325.GS2789685@horms.kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250423_084603_840075_EDBDCAEE X-CRM114-Status: GOOD ( 16.40 ) 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 Tue, Apr 22, 2025 at 11:23:25AM +0100, Simon Horman wrote: > 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. Sorry, I forgot to add this yesterday (I am not a robot :). The patch can be found at: - x86_64: Use the x86-64 level for purgatory https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/commit/?id=14f48ea80e51