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 X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12172C433E0 for ; Fri, 22 May 2020 12:36:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C0BF0206D5 for ; Fri, 22 May 2020 12:36:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (4096-bit key) header.d=crudebyte.com header.i=@crudebyte.com header.b="J3UdL6hb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C0BF0206D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=crudebyte.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52650 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jc6uH-0003IV-Vc for qemu-devel@archiver.kernel.org; Fri, 22 May 2020 08:36:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43076) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jc6tX-0001wW-3E for qemu-devel@nongnu.org; Fri, 22 May 2020 08:35:23 -0400 Received: from kylie.crudebyte.com ([5.189.157.229]:40463) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jc6tV-0004lO-Aa for qemu-devel@nongnu.org; Fri, 22 May 2020 08:35:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=kylie; h=Content-Type:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Content-ID:Content-Description; bh=s+1V0pEB50rYRyIwA7wXYUGxsJPR+9Evou9xWslXhjc=; b=J3UdL6hblWlKgIeR5YCdzqh2YB AcVpmmmPEFpEszSmLPMFap56pZLeCwTDHI010ay7Hy+kL3KFNeLMaJxLFS/vKPiAZBMwqwPF94Mj+ T0LeO9QY7d4H7GKYH/QTSQrmvYZbVaRYObAZlzZEh8K2rR2jPnStHNGA6x8ORlwNr+6mMYSU6dpGO ClwwCn0F6989Pp6C7Q2KRWX6QZhojQhcZCHO/gK5LJZFE9b8+CBqnz96DnsUmx9Ko36vp4tkyZpQn ycJc9RyGRdLg8dgRCchZfmvJXh/TcEqsDL/GWLcKXVM1FLz48HM3oVf3w4q0oURYhlfzjPt+wNkti MPjwTFd9i16gzSAzdVr+SzDkGEKMGvSOjIDoEFEvTF9Df3BuIIIjKmPjKAxTSwe3d1XU/pOxh40Da 8JCRLRnIadMDI+OU5FuHfiRXHJdRo6ErgjTJYfCVYSFKg2ybnsyUl0gh6naXkrvGU4pRBaT4NN/lN Vt1ZrTV+Is5hIWau85WFk9IgR2jZBeumnK3rK7m9n8dnvIr4tV8pC4EK4EPch8ulg3LCsaYZtSX9a GHm2HUcRyQvSM87ppQWpy9zqLBcrHyzlAgemT12dWXLsooejp/r22dQMhoDIs/3ISUVKtTspkOjhe Z/g05J/stnIWdFHUQQ7FBmQdGyBE+qOP+KP4DZfWg=; From: Christian Schoenebeck To: qemu-devel@nongnu.org Cc: Stefano Stabellini , groug@kaod.org, paul@xen.org, anthony.perard@citrix.com, Stefano Stabellini Subject: Re: [PATCH v2 3/3] xen/9pfs: increase max ring order to 9 Date: Fri, 22 May 2020 14:35:07 +0200 Message-ID: <33834763.32Gg69QpJT@silver> In-Reply-To: <20200521192627.15259-3-sstabellini@kernel.org> References: <20200521192627.15259-3-sstabellini@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Received-SPF: pass client-ip=5.189.157.229; envelope-from=qemu_oss@crudebyte.com; helo=kylie.crudebyte.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/22 08:35:18 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Donnerstag, 21. Mai 2020 21:26:27 CEST Stefano Stabellini wrote: > From: Stefano Stabellini > > The max order allowed by the protocol is 9. Increase the max order > supported by QEMU to 9 to increase performance. > > Signed-off-by: Stefano Stabellini > --- > Changes in v2: > - patch added > --- Reviewed-by: Christian Schoenebeck > hw/9pfs/xen-9p-backend.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c > index 3c84c86ab8..a969fcc54c 100644 > --- a/hw/9pfs/xen-9p-backend.c > +++ b/hw/9pfs/xen-9p-backend.c > @@ -21,7 +21,7 @@ > > #define VERSIONS "1" > #define MAX_RINGS 8 > -#define MAX_RING_ORDER 8 > +#define MAX_RING_ORDER 9 > > typedef struct Xen9pfsRing { > struct Xen9pfsDev *priv; Best regards, Christian Schoenebeck