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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75FEFC433F5 for ; Fri, 4 Feb 2022 21:50:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0A9AB6B0072; Fri, 4 Feb 2022 16:50:07 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0310B6B0073; Fri, 4 Feb 2022 16:50:06 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E138E6B0074; Fri, 4 Feb 2022 16:50:06 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0121.hostedemail.com [216.40.44.121]) by kanga.kvack.org (Postfix) with ESMTP id CCE7A6B0072 for ; Fri, 4 Feb 2022 16:50:06 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 802358126963 for ; Fri, 4 Feb 2022 21:50:06 +0000 (UTC) X-FDA: 79106440812.21.F1E9283 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by imf14.hostedemail.com (Postfix) with ESMTP id 1937A100005 for ; Fri, 4 Feb 2022 21:49:57 +0000 (UTC) Received: from zn.tnic (dslb-088-067-221-104.088.067.pools.vodafone-ip.de [88.67.221.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 1F4B01EC051E; Fri, 4 Feb 2022 22:49:51 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1644011391; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=fz8mGn5BOy2DieOoSZMrMULfKn9aZV+hq3dOFBMU7OA=; b=AYwZQgPXEHeM4bHXv25Qg14ii4tf7Laou46fjqMj+JVnEHviTt8tqubc2/KSU25dwtVnoY hzYyVOFebfDcF3xB+Ez7pVEFVzlGdmcDymFYvU53Zrf2t799+2qhidiVLCHDwnYFqIaz/J +iG1VLnhpmLRrrszSsmV3YFa0CdONcw= Date: Fri, 4 Feb 2022 22:49:46 +0100 From: Borislav Petkov To: Tom Lendacky Cc: "Limonciello, Mario" , Martin Fernandez , linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, ardb@kernel.org, dvhart@infradead.org, andy@infradead.org, gregkh@linuxfoundation.org, rafael@kernel.org, rppt@kernel.org, akpm@linux-foundation.org, daniel.gutson@eclypsium.com, hughsient@gmail.com, alex.bazhaniuk@eclypsium.com, alison.schofield@intel.com, keescook@chromium.org Subject: Re: [PATCH v6 6/6] drivers/node: Show in sysfs node's crypto capabilities Message-ID: References: <20220203164328.203629-1-martin.fernandez@eclypsium.com> <20220203164328.203629-7-martin.fernandez@eclypsium.com> <67d2711b-200c-0894-4ff7-beb3eb304399@amd.com> <5c5ffe29-d3d3-2955-cf78-ad275110f012@amd.com> <5ee34cad-8daf-6282-f2ed-cbc92a89d013@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 1937A100005 X-Rspam-User: nil Authentication-Results: imf14.hostedemail.com; dkim=temperror ("DNS error when getting key") header.d=alien8.de header.s=dkim header.b=AYwZQgPX; dmarc=temperror reason="query timed out" header.from=alien8.de (policy=temperror); spf=temperror (imf14.hostedemail.com: error in processing during lookup of bp@alien8.de: DNS error) smtp.mailfrom=bp@alien8.de X-Stat-Signature: fmtr7eukhyur1w6ajgo8fowcuxgz6e96 X-HE-Tag: 1644011397-644449 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Feb 04, 2022 at 12:49:08PM -0600, Tom Lendacky wrote: > Yep, and that should be safe. We would have to look at the generated code as > there can't be any memory stores after the native_wbinvd() and before the > native_halt(). I don't think anything else changes here besides the CPUID. Rest of the asm is the same. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette