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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AM7PR08MB5493.eurprd08.prod.outlook.com (2603:10a6:20b:102::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.20; Fri, 25 Jun 2021 11:27:13 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::75ce:1d52:cb60:e955]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::75ce:1d52:cb60:e955%6]) with mapi id 15.20.4264.023; Fri, 25 Jun 2021 11:27:13 +0000 Subject: Re: [PATCH v3 0/5] block-copy: make helper APIs thread safe To: Emanuele Giuseppe Esposito , qemu-block@nongnu.org Cc: John Snow , Kevin Wolf , Max Reitz , Paolo Bonzini , Stefan Hajnoczi , qemu-devel@nongnu.org References: <20210614081130.22134-1-eesposit@redhat.com> From: Vladimir Sementsov-Ogievskiy Message-ID: Date: Fri, 25 Jun 2021 14:27:10 +0300 User-Agent: Mozilla/5.0 (X11; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR05-DB8-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, MSGID_FROM_MTA_HEADER=0.001, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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: 2.1.23 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" 14.06.2021 11:11, Emanuele Giuseppe Esposito wrote: > This serie of patches bring thread safety to the smaller APIs used by > block-copy, namely ratelimit, progressmeter, co-shared-resource > and aiotask. > The end goal is to reduce the usage of AioContexlock in block-copy, > by introducing smaller granularity locks thus on making the block layer > thread safe. > > What's missing for block-copy to be fully thread-safe is fixing > the CoSleep API to allow cross-thread sleep and wakeup. > Paolo is working on it and will post the patches once his new > CoSleep API is accepted. > > Patches 1-3 work on ratelimit, 4 covers progressmeter and > 5 co-shared-resources. > > Signed-off-by: Emanuele Giuseppe Esposito Thanks, applied to the jobs branch -- Best regards, Vladimir