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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B404FC636CC for ; Mon, 20 Feb 2023 10:50:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230324AbjBTKt7 (ORCPT ); Mon, 20 Feb 2023 05:49:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231350AbjBTKty (ORCPT ); Mon, 20 Feb 2023 05:49:54 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4141CBB84 for ; Mon, 20 Feb 2023 02:49:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676890147; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i+IrwP2BnQ+t/YdFo+t5fvXd2ZtYLj+C5Gx+3ACfu0I=; b=WVtANXQBnKoYj5O3wO7h1H4GbrsMANk3o/JWczOw3lhDg/fGxm7nwGNHKZI/UR9nkGq0bO aboOqxn+vV545ykBWFKLqIZfpz+JpG+y7MNyO7P4QUiPdUkFivV4+7tjXU4VP2I/iUCvHK JYw3deokzsVD7Qfs2cMlFGP8LCoBAfk= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-491-jasF8v-gPQ2iNFprKINAtw-1; Mon, 20 Feb 2023 05:49:03 -0500 X-MC-Unique: jasF8v-gPQ2iNFprKINAtw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C675585A5A3; Mon, 20 Feb 2023 10:49:02 +0000 (UTC) Received: from redhat.com (unknown [10.33.36.52]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4C0E9C15BA0; Mon, 20 Feb 2023 10:49:00 +0000 (UTC) Date: Mon, 20 Feb 2023 10:48:57 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: "Michael S. Tsirkin" , qemu-devel@nongnu.org, "Jason A. Donenfeld" , x86@kernel.org, linux-kernel@vger.kernel.org, Dov Murik , Tom Lendacky , Gerd Hoffmann , Paolo Bonzini , Richard Henderson , "H . Peter Anvin" , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Nathan Chancellor , Borislav Petkov , Eric Biggers Subject: Re: [PATCH RFC 0/7] revert RNG seed mess Message-ID: Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= References: <20230208211212.41951-1-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/2.2.9 (2022-11-12) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 10, 2023 at 11:32:58AM +0000, Daniel P. Berrangé wrote: > On Wed, Feb 08, 2023 at 04:12:23PM -0500, Michael S. Tsirkin wrote: > > All attempts to fix up passing RNG seed via setup_data entry failed. > > Let's just rip out all of it. We'll start over. > > > > > > Warning: all I did was git revert the relevant patches and resolve the > > (trivial) conflicts. Not even compiled - it's almost midnight here. > > > > Jason this is the kind of approach I'd like to see, not yet another > > pointer math rich patch I need to spend time reviewing. Just get us back > > to where we started. We can redo "x86: use typedef for SetupData struct" > > later if we want, it's benign. > > This approach looks suitable for applying to the 7.2 tree too, > which will be good for fixing the regressions in stable. Since no further alternative has been proposed, can you consider sending a pull request for this series. This has been broken for too long and many users & vendors are looking for an official fix to be applied to master before they backport to 7.2 With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|