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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAAAFC433DF for ; Tue, 19 May 2020 08:06:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA4EB207E8 for ; Tue, 19 May 2020 08:06:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JtDAr4x6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728615AbgESIGd (ORCPT ); Tue, 19 May 2020 04:06:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728611AbgESIGc (ORCPT ); Tue, 19 May 2020 04:06:32 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EEF1C061A0C; Tue, 19 May 2020 01:06:32 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id f6so6041751pgm.1; Tue, 19 May 2020 01:06:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=uQMpGjbYoWk8uaOr+TgHDPlcC+gHeyUprHQUVNojJpI=; b=JtDAr4x6+sGs4Vho3Ks43qUAaQFgbO23DZUISshK5z95XihBDafEDULQwQ1ucUC7sf Zqv4gdaUjvsmfe5iA9ArvtRv5uykcljqPZMZP1LUnmjLe5p/4oVXTtlSIbycFIa72M+D oAT8bh4IsfuppPwFyLj2oD/n3NChc9bdFWhei2ZtnyxC7QSuHmWFaDADXV13M8AbR6WH tNmbYTBO8hGeXSN11nBS2i+QFBpHb2Aa8YHYv/6l6qbIck4Rf1wI2gDSCiAE08Wyr4q+ b997nnz1a/jdxgc5hHi1U/gbvNYhEw2Ajb70eDGR82MC45S2d7nMSvFdGsmLVak5megp 5Pvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=uQMpGjbYoWk8uaOr+TgHDPlcC+gHeyUprHQUVNojJpI=; b=lZTXBWqAnU26qloe4vLj4/qk6cUMDIKNEGNUnMtDBklbevSc0jEJYPpQIjKliNrsTy auo9OSsetQefrbPR5pbqGF6NuMiwi29cxBMKV1yvExQXINUb9u1CSjS/ftVzBUYyLWlo bDWY0uFDE4Ab8fT8Tt0FXRCjc0hJdIpt7EATT1XPGF4xn7KDczIeSXvqDsaR+DtJPYXs FteqIHp/y//taC3+mVAkw1IA4rFclvjCWidlXWe7ZTyTH6QLCX5iYh2xcqz53w8G2Zp7 2bgVqDAUxJtKLYCL2on4zDU4sokLvG5Y5UQjI2Hx/rF5isAgR0uvIxLQu9M4waxAtzU0 lLwQ== X-Gm-Message-State: AOAM532PV7hsqsUyRWESrc8jRIyo0/YiVjDeNtYVZO1P05zWjCdjjF7i nFhz+vOB9U8CPldyr2nX3OTaz2pk X-Google-Smtp-Source: ABdhPJzMM6CxEuSd8Yc1s6dUx2b6h5j5Ni7eBCPNcPreIEshV2siHmyTbYzNoXiqPPbi776cSf1WTQ== X-Received: by 2002:a63:3546:: with SMTP id c67mr17968004pga.379.1589875591626; Tue, 19 May 2020 01:06:31 -0700 (PDT) Received: from localhost ([2401:fa00:8f:203:5bbb:c872:f2b1:f53b]) by smtp.gmail.com with ESMTPSA id p4sm1985920pff.159.2020.05.19.01.06.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 May 2020 01:06:30 -0700 (PDT) Date: Tue, 19 May 2020 17:06:28 +0900 From: Sergey Senozhatsky To: Hans Verkuil Cc: Sergey Senozhatsky , Hans Verkuil , Mauro Carvalho Chehab , Tomasz Figa , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 00/14] Implement V4L2_BUF_FLAG_NO_CACHE_* flags Message-ID: <20200519080628.GB161827@google.com> References: <20200514160153.3646-1-sergey.senozhatsky@gmail.com> <3fee9a3d-30fe-826a-7a36-b4c9720a94db@xs4all.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3fee9a3d-30fe-826a-7a36-b4c9720a94db@xs4all.nl> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Hans, On (20/05/18 17:18), Hans Verkuil wrote: > Hi Sergey, > > On 14/05/2020 18:01, Sergey Senozhatsky wrote: > > Hello > > > > v6 changes: > > The design has been slightly reworked. The cache-hints capability has > > been renamed to SUPPORTS_MMAP_CACHE_HINTS and is reported for all queues > > that support MMAP and allow cache hints. However, the actual hints and > > memory consistency are ignored unless the queue is used for the MMAP > > streaming I/O. Plus some cleanups, documentation updates, and so on. > > This looks good. If there are no new comments then I plan to make a PR for 5.9 in > two weeks. > > Thank you for all your work on this! Hans, Tomasz, Ezequiel, thanks for all the help and guidance. -ss