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Tue, 26 May 2020 11:50:33 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EF823A4055; Tue, 26 May 2020 11:50:32 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av23.portsmouth.uk.ibm.com (Postfix) with SMTP; Tue, 26 May 2020 11:50:32 +0000 (GMT) Received: from bahia.ibmuc.com (sig-9-145-63-64.uk.ibm.com [9.145.63.64]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 36E192201C7; Tue, 26 May 2020 13:50:32 +0200 (CEST) From: Greg Kurz To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 5/5] xen/9pfs: increase max ring order to 9 Date: Tue, 26 May 2020 13:49:32 +0200 Message-Id: <20200526114931.391049-6-groug@kaod.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200526114931.391049-1-groug@kaod.org> References: <20200526114931.391049-1-groug@kaod.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-05-26_02:2020-05-26, 2020-05-26 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=849 malwarescore=0 suspectscore=0 phishscore=0 cotscore=-2147483648 impostorscore=0 adultscore=0 mlxscore=0 priorityscore=1501 clxscore=1034 lowpriorityscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005260080 Received-SPF: softfail client-ip=148.163.158.5; envelope-from=groug@kaod.org; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/26 07:50:54 X-ACL-Warn: Detected OS = Linux 3.x [generic] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, KHOP_DYNAMIC=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_SOFTFAIL=0.665, 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: Stefano Stabellini , Christian Schoenebeck , Greg Kurz Errors-To: qemu-devel-bounces+qemu-devel=archiver.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 Message-Id: <20200521192627.15259-3-sstabellini@kernel.org> Signed-off-by: Greg Kurz --- 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 3c84c86ab873..a969fcc54c34 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;