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 smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 873EAC433EF for ; Wed, 27 Apr 2022 12:26:58 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 1DEC9418CE; Wed, 27 Apr 2022 12:26:58 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id L10LcmcJ_Eow; Wed, 27 Apr 2022 12:26:57 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 6E69A418D5; Wed, 27 Apr 2022 12:26:56 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 3B857C0039; Wed, 27 Apr 2022 12:26:56 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6A712C002D for ; Wed, 27 Apr 2022 12:26:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 650B440612 for ; Wed, 27 Apr 2022 12:26:55 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=alien8.de Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ggDbTG92hblO for ; Wed, 27 Apr 2022 12:26:53 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by smtp2.osuosl.org (Postfix) with ESMTPS id 48A3D40A8A for ; Wed, 27 Apr 2022 12:26:53 +0000 (UTC) Received: from zn.tnic (p5de8eeb4.dip0.t-ipconnect.de [93.232.238.180]) (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 F12FD1EC0535; Wed, 27 Apr 2022 14:26:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1651062406; 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=m8FIMyp7ZxBzuhSiLeCthOnvDkv17+5J5OEYlvXy4cw=; b=BLLaHL/v37UgDg8YVRsrBqadD8/AOSlOYjrucBOjQQ4xkZtUmRhQrtSNB17Ys/XD22MHUj MPbAFv85Gl0kwftQJ2j7hRfqy+kq1IIvbV23CGj4wW9vhmkKwCo9RqDF2QbHU9er4YnlbF ezdiJhZzKnMWPMSM6WibhwDeLBc92c4= Date: Wed, 27 Apr 2022 14:26:41 +0200 From: Borislav Petkov To: Juergen Gross Subject: Re: [PATCH 2/2] virtio: replace arch_has_restricted_virtio_memory_access() Message-ID: References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> Cc: linux-hyperv@vger.kernel.org, "Michael S. Tsirkin" , Peter Zijlstra , Dave Hansen , virtualization@lists.linux-foundation.org, "H. Peter Anvin" , Alexander Gordeev , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Wei Liu , Stephen Hemminger , Arnd Bergmann , x86@kernel.org, Dexuan Cui , Christoph Hellwig , Ingo Molnar , Haiyang Zhang , Vasily Gorbik , Heiko Carstens , Andy Lutomirski , Thomas Gleixner , linux-kernel@vger.kernel.org, Oleksandr Tyshchenko , Sven Schnelle X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Apr 27, 2022 at 08:40:08AM +0200, Juergen Gross wrote: > I was planning to look at the x86 cpu features to see whether some of > those might be candidates to be switched to platform features instead. I'd say "never touch a running system" unless the platform features are of an advantage... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization