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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 510DBD3F29E for ; Fri, 18 Oct 2024 21:32:32 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t1uZd-0001xp-JL; Fri, 18 Oct 2024 17:31:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t1uZb-0001xh-Pz for qemu-devel@nongnu.org; Fri, 18 Oct 2024 17:31:52 -0400 Received: from sender4-pp-f112.zoho.com ([136.143.188.112]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t1uZZ-00083j-U4 for qemu-devel@nongnu.org; Fri, 18 Oct 2024 17:31:51 -0400 ARC-Seal: i=1; a=rsa-sha256; t=1729287096; cv=none; d=zohomail.com; s=zohoarc; b=D/QqWorOkJA1pNOBIn6sKZ/fLeDwi1mA4UlEr7se/Tu/efI0cQsr/Hc7ZQ3cEogN2GeHhbMhgF62dWLRODmcwTeSkh0arOGCgobCzPDxpqk/Y7s3vhtZJtcRDbKTwrl48o+8V/twvUVLFBot5Uk4uLrtGtFH+nThNkwkiUPih4M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1729287096; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=LXXoBs4X/hBLqGM0zkccMo/cdFgF1gW++CFbevlQFxc=; b=jb7UWl1sMHO34pBtX5f8zFbfPnnNw+9xNhgu5ycRFF0g+R+wfjmGbkN95Gci7W37t+feC6CmMDYjaZC1sF5x7N5n+Ney5LklOqR17GrOwwDQdScvLwk8kNliIhLp7GnwdnI1QxbFOYsN2vyo+grRF/ezeRUTw39cAWzWeq5hgk8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1729287096; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=LXXoBs4X/hBLqGM0zkccMo/cdFgF1gW++CFbevlQFxc=; b=BLfqnmOySVaUse9rILwCsGD3I6MycNcecPP6qVYKeo53wuf+7eJ5DER48qw2u3bk j8CRDjdBVCloM2ZjOkvc+Qlu2OWHp4ILWd2u41QwxtYyzpQAcNJsCjLD4DHT3aVwQsN qDVPRVR/bAAJVr6WbDSnw88JRsRqieF1CGcrSsmM= Received: by mx.zohomail.com with SMTPS id 1729287094761984.6438213480325; Fri, 18 Oct 2024 14:31:34 -0700 (PDT) Message-ID: Date: Sat, 19 Oct 2024 00:31:27 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/6] virtio-gpu: Support asynchronous fencing To: Akihiko Odaki , Huang Rui , =?UTF-8?Q?Marc-Andr=C3=A9_Lureau?= , =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , Gerd Hoffmann , =?UTF-8?Q?Alex_Benn=C3=A9e?= , "Michael S . Tsirkin" , Paolo Bonzini Cc: Gert Wollny , qemu-devel@nongnu.org, Gurchetan Singh , Alyssa Ross , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?Q?Christian_K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Rob Clark , Yiwei Zhang , Sergio Lopez Pascual References: <20241015043238.114034-1-dmitry.osipenko@collabora.com> <20241015043238.114034-6-dmitry.osipenko@collabora.com> <9362f8ac-5616-4f6d-b424-3a2b679c2141@daynix.com> From: Dmitry Osipenko Content-Language: en-US In-Reply-To: <9362f8ac-5616-4f6d-b424-3a2b679c2141@daynix.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ZohoMailClient: External Received-SPF: pass client-ip=136.143.188.112; envelope-from=dmitry.osipenko@collabora.com; helo=sender4-pp-f112.zoho.com 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 10/18/24 08:28, Akihiko Odaki wrote: >> +static void virgl_write_context_fence(void *opaque, uint32_t ctx_id, >> +                                      uint32_t ring_idx, uint64_t fence) >> +{ >> +    VirtIOGPU *g = opaque; > > What about taking the BQL here instead of having a QEMUBH? That will block virglrenderer thread writing the fence, which in turns might block other virglrenderer threads. -- Best regards, Dmitry