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[23.128.96.38]) by mx.google.com with ESMTPS id w4-20020a17090aad4400b00285864c15d3si1715664pjv.156.2023.11.24.02.49.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Nov 2023 02:49:19 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) client-ip=23.128.96.38; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Nv8zz3+x; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id 5D2128321291; Fri, 24 Nov 2023 02:49:17 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345811AbjKXKs5 (ORCPT + 99 others); Fri, 24 Nov 2023 05:48:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345711AbjKXKsy (ORCPT ); Fri, 24 Nov 2023 05:48:54 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27DBE1B2 for ; Fri, 24 Nov 2023 02:48:54 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F4192C433C7; Fri, 24 Nov 2023 10:48:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700822934; bh=kFNGBEV5KZVkGa0eNZHwyRy+Zdp7kSVSo5j7XiYUfFA=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=Nv8zz3+x3ChUMdQEo3BExPH42WyXDDU6UihftL7511gbsoQpDDgl3vzQh+KWKHlm2 S7hjuLEwuJbJF4gGiqaG4GhOqbjp2PAqD7fsaxMgmI01a4QKxU6hgofrKRd8W7lnPa E/yqeH13d5lTUkgbY5CLmip6hd1RTrGMFb0BmNvtvUqaFO3Rbeqq5d2yLF0ElKJgEL d67ACiflF+1nsBPhYzSeKwVHYLcNa9LH7rYykM9BfSyMwEyw9A1yXHMIN7BTzRgzvE xbZnarKTGcGU2vi/hjq8vwsqj40so7FqkX20R5Vv5JacvtPJYiJr8SrBTmU8HBW2yM jHlO7V0FALPfw== Message-ID: <812abc1247327534cb3e044006a54513.mripard@kernel.org> Date: Fri, 24 Nov 2023 10:48:51 +0000 From: "Maxime Ripard" To: "Dmitry Osipenko" Subject: Re: [PATCH v18 10/26] drm/shmem-helper: Use refcount_t for vmap_use_count In-Reply-To: <20231029230205.93277-11-dmitry.osipenko@collabora.com> References: <20231029230205.93277-11-dmitry.osipenko@collabora.com> Cc: dri-devel@lists.freedesktop.org, kernel@collabora.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, "Boris Brezillon" , "Chia-I Wu" , =?utf-8?b?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Daniel Vetter" , "David Airlie" , "Emma Anholt" , "Gerd Hoffmann" , "Gurchetan Singh" , "Maarten Lankhorst" , "Maxime Ripard" , "Melissa Wen" , "Qiang Yu" , "Steven Price" , "Thomas Zimmermann" Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Fri, 24 Nov 2023 02:49:17 -0800 (PST) On Mon, 30 Oct 2023 02:01:49 +0300, Dmitry Osipenko wrote: > Use refcount_t helper for vmap_use_count to make refcounting consistent > with pages_use_count and pages_pin_count that use refcount_t. This also > makes vmapping to benefit from the refcount_t's overflow checks. > > Reviewed-by: Boris Brezillon > > [ ... ] Acked-by: Maxime Ripard Thanks! Maxime