From patchwork Fri Apr 3 16:51:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 11473167 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 57853159A for ; Fri, 3 Apr 2020 16:51:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 368F02080C for ; Fri, 3 Apr 2020 16:51:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="f/6K9izj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404154AbgDCQvm (ORCPT ); Fri, 3 Apr 2020 12:51:42 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:33662 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2404137AbgDCQvm (ORCPT ); Fri, 3 Apr 2020 12:51:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585932701; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:in-reply-to:in-reply-to:references:references; bh=8YeWmblf5mS/8GdUhzLA4Htge8P1tK+DUvfsT44OWM8=; b=f/6K9izjQnUQFRZnEsR0ubNwaAJpsOYQ/Erf6Ibj3qVr74HSoNkmuiN8eSA6bKwuqwoi7t AoOWD0LW1HDZrjdCjZx/9vAprjcyvs0P9YgsdHmZoCQkbyVWL9jBXK9B30BzzmxEP9T0KV tKwjZvtB41RCva+mMIZDVzMAcE7vOOM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-452-4k1-NX7ePo2t4I62hjtMTw-1; Fri, 03 Apr 2020 12:51:39 -0400 X-MC-Unique: 4k1-NX7ePo2t4I62hjtMTw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4758D1005513; Fri, 3 Apr 2020 16:51:38 +0000 (UTC) Received: from eperezma.remote.csb (ovpn-113-28.ams2.redhat.com [10.36.113.28]) by smtp.corp.redhat.com (Postfix) with ESMTP id DE378A0A7B; Fri, 3 Apr 2020 16:51:31 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: "Michael S. Tsirkin" Cc: kvm list , "virtualization@lists.linux-foundation.org" , Linux Next Mailing List , =?utf-8?q?Eugenio_P?= =?utf-8?q?=C3=A9rez?= , Stephen Rothwell , Cornelia Huck , Halil Pasic , "linux-kernel@vger.kernel.org" , Christian Borntraeger Subject: [PATCH 2/8] vhost: Not cleaning batched descs in VHOST_SET_VRING_BASE ioctl Date: Fri, 3 Apr 2020 18:51:13 +0200 Message-Id: <20200403165119.5030-3-eperezma@redhat.com> In-Reply-To: <20200403165119.5030-1-eperezma@redhat.com> References: <20200403165119.5030-1-eperezma@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org They are cleaned in vhost_vq_set_backend --- drivers/vhost/vhost.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 0395229486a9..882d0df57e24 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1579,7 +1579,6 @@ long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *arg vq->last_avail_idx = s.num; /* Forget the cached index value. */ vq->avail_idx = vq->last_avail_idx; - vq->ndescs = vq->first_desc = 0; break; case VHOST_GET_VRING_BASE: s.index = idx;