From patchwork Thu May 21 19:26:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 11563891 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2A7F914C0 for ; Thu, 21 May 2020 19:39:16 +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 024A6204EC for ; Thu, 21 May 2020 19:39:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="iMyEo7j3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 024A6204EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:57768 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jbr2B-0002EG-72 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 21 May 2020 15:39:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39162) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jbqpr-0007tJ-Cs for qemu-devel@nongnu.org; Thu, 21 May 2020 15:26:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:46370) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jbqpq-0002Yu-Dy for qemu-devel@nongnu.org; Thu, 21 May 2020 15:26:31 -0400 Received: from sstabellini-ThinkPad-T480s.hsd1.ca.comcast.net (c-67-164-102-47.hsd1.ca.comcast.net [67.164.102.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2764B20829; Thu, 21 May 2020 19:26:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590089189; bh=qth0gZ5xBbaWEKdqHxl0V348J7lsE6oOo/kwx1SoOOg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iMyEo7j32pCrxOnF9egdv4Uwx6R32QNKGD+ACg/qr2frOpcD3wK/xz0AgXRoEISsp uI8Z/AtNXF6IFKZ6YxFF5qr/P72r9EywZH/omTw7DbNwRZ5WT+AY8923/rXiBSFkNk bKwPA/c4oO8HacbNFmGHKWpGt1R3BBHWeudOH5oc= From: Stefano Stabellini To: groug@kaod.org Subject: [PATCH v2 3/3] xen/9pfs: increase max ring order to 9 Date: Thu, 21 May 2020 12:26:27 -0700 Message-Id: <20200521192627.15259-3-sstabellini@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Received-SPF: pass client-ip=198.145.29.99; envelope-from=sstabellini@kernel.org; helo=mail.kernel.org X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/21 15:26:19 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, 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: , Cc: sstabellini@kernel.org, paul@xen.org, qemu_oss@crudebyte.com, qemu-devel@nongnu.org, anthony.perard@citrix.com, Stefano Stabellini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" 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 Reviewed-by: Christian Schoenebeck --- Changes in v2: - patch added --- 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;