Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp2274402pxb; Tue, 12 Oct 2021 03:09:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJySSCOlZRNnWjx7pVyKcNzvtcoShn0GmPcJ8ANGvHPkc/+fA+m7y7nDva1S6wOgVWPxEpi7 X-Received: by 2002:a17:90a:a585:: with SMTP id b5mr4884739pjq.97.1634033344406; Tue, 12 Oct 2021 03:09:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634033344; cv=none; d=google.com; s=arc-20160816; b=GoQ/ezOrWRf0tcFCuIWGFlPBMLxLPeTFdj0F+TwBwqRipfZkSsik3gY6L8hmmerxip 9+AvT/wOizyFvfielp+04v7LEd/7rJDQTyx1H/JG+GuZhSBfRAvymkcCOD0Q3oZ/R0rM PERyVMLY3eBmuG66KGbNOluhBD4OrLagy8XP2yGBwwjE9bF43UYssnrcnk3QHNCaHm9N jlcS2OcfAQRfUVs8JR+uhJ+u2QU5AzjmjfIplz9Y9GkRYzobDNSDqfTe9vJ8xDlKqZPi N2exLMAUKlJ6FHuxm7mX4X4wdlATnjyJqLnTXTzNrJIJQi662uBG3SWYrFkuGgZtMteO pBZw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=4CnN+q5NNu1/y0HBwsvP31LOimAmbdgobHUjVn5iW1Q=; b=wICc2RjWg+HLtX8JdYy/+fBO4u/u/KN0CF7Ma+FhM6XjZ+RBVfZ7OYGwhnQD5xx17G CPurLqayrCsQtpwvzdJ+VS6pNz4pFoMtvw1S1rHaiwSTYfZ/1Zgmt3JZu7jZ9VRqSp/k ERQQ1cKNvJAgdHUkAFKJkWuStm8Ia8HFpTdcnv+tJpmfsHvJzXTNMkbVkwCTrotDfj5h RBxqHDI9GOe5HRpJSK95g2zK1IGdFgQPS2tVspjjqPtMQszGKjFTZtrTIQE5w0hCjH9D AFounc+nooAUXwZ4RVgtHHgBQ5nLR6KssVtmK601LTdAmtyMac7asT2dRJkD9LjKJIV1 VjOQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=1CdakWEr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lx10si4303163pjb.4.2021.10.12.03.08.51; Tue, 12 Oct 2021 03:09:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=1CdakWEr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235796AbhJLKIZ (ORCPT + 99 others); Tue, 12 Oct 2021 06:08:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:33722 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235534AbhJLKIZ (ORCPT ); Tue, 12 Oct 2021 06:08:25 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D487360698; Tue, 12 Oct 2021 10:06:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1634033183; bh=afRaiB2x46Dy5EwPdZ0GaOyJyMOe/U1RoFhf+sQW94k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1CdakWEr955c3rxOuGkNsleaaeIP4jvOURkXyKGQ16kXeHMi1IT07zKNSblMHbJLW y1/rppdbRKcWEjGQtBQVm9JrY9SSSVYlhhNCli9m4i6LNUBa+10tkPiE9D1rxzWUtM U9vIuE2/exPIfXhX/zREsXLN7fov6zO63Yxgsw88= Date: Tue, 12 Oct 2021 12:06:21 +0200 From: Greg KH To: Suren Baghdasaryan Cc: stable@vger.kernel.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, peterx@redhat.com, aarcange@redhat.com, david@redhat.com, jgg@ziepe.ca, ktkhai@virtuozzo.com, shli@fb.com, namit@vmware.com, hch@lst.de, oleg@redhat.com, kirill@shutemov.name, jack@suse.cz, willy@infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH 1/1] gup: document and work around "COW can break either way" issue Message-ID: References: <20211012015244.693594-1-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211012015244.693594-1-surenb@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 11, 2021 at 06:52:44PM -0700, Suren Baghdasaryan wrote: > From: Linus Torvalds > > From: Linus Torvalds > > commit 17839856fd588f4ab6b789f482ed3ffd7c403e1f upstream. Both backports now queued up, thanks. greg k-h