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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 1CC49D116EA for ; Fri, 28 Nov 2025 17:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gdQDOqyfil+DNkwzLkg7VF450RbTdgCc8NqtMW6uRW4=; b=1byT7OAvvkm0CIUlIu1pooMvGU HKCozU8Cex4KvSypt8qZBtU9TotiOuWHxN9SN60KHbkP2jJjEwk9H8yn9OeueUaXuD31D5BVe8w65 owvHHOTYV6PUS2mJHvjUbZYN2SsL6mXv7M64M7mGeuI3QU/vcDLrJqpve6rWjivfF7OitiqFSAIr8 PiCrMrXZoFuSbexTou+xbH0Qrr0ogPUwyJ0xzHtsFjyM0IvI/7q3WtUl/RV0qXJCQwLh0xpZ8qLki 0rPEOQssGm+R2vfOugOAq+/QZimCrymSmpN7EG5EtULEzpPT39LTwG9SfrFG7HUUBAY5yKH5vYKkN 2zOgoaPA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vP2BF-00000000jM5-3ZRv; Fri, 28 Nov 2025 17:22:49 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vP2BD-00000000jL8-3Fvz for linux-arm-kernel@lists.infradead.org; Fri, 28 Nov 2025 17:22:49 +0000 Date: Fri, 28 Nov 2025 18:22:42 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1764350564; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=gdQDOqyfil+DNkwzLkg7VF450RbTdgCc8NqtMW6uRW4=; b=exD/y7j999jCv6bS9IMXmr8sD3f5ooPKDx0FbXkjx8Zj/4jZp0LGdf83r48cRlz7csM4Ga 774RSGWxq23m0i77jv/+q1WYKBFSNoHeK0SHXnAycfz20MDDwCsouqDKIt0UomOqQW2JEt Ifm/vEMXWcO7DbLtSF415CnpmUT2oDJIBZ9e17a+9JOTcn0g0uIN9m0bLfNklQ8Xln2Xu6 LvEijg/kINBpfKtj9Zr2zSHXizNpjkYvM1MVykXCXlUGgNkpllZmDS64AXJTlju+wuK9M6 r6QIBEfXSaR7tiPshZakf/KZ37DzfOetx999jxpGfk44srLtQmtiUsi98BQykQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1764350564; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=gdQDOqyfil+DNkwzLkg7VF450RbTdgCc8NqtMW6uRW4=; b=M4CSl6gqnCuJP+oILiEsB+RMaQsPNdVWA8BsfnJdgpZXuMRB31+BAQu7VwjE/LRYhROu4e 95a+J06qa8kBsGCA== From: Sebastian Andrzej Siewior To: "Russell King (Oracle)" Cc: Xie Yuanbin , akpm@linux-foundation.org, arnd@arndb.de, brauner@kernel.org, david.laight@runbox.com, hch@lst.de, jack@suse.com, kuninori.morimoto.gx@renesas.com, liaohua4@huawei.com, lilinjie8@huawei.com, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, marc.zyngier@arm.com, nico@fluxnic.net, pangliyuan1@huawei.com, pfalcato@suse.de, punitagrawal@gmail.com, rjw@rjwysocki.net, rppt@kernel.org, tony@atomide.com, vbabka@suse.cz, viro@zeniv.linux.org.uk, wangkefeng.wang@huawei.com, will@kernel.org, wozizhi@huaweicloud.com Subject: Re: [RFC PATCH v2 1/2] ARM/mm/fault: always goto bad_area when handling with page faults of kernel address Message-ID: <20251128172242.cCNBVf7H@linutronix.de> References: <20251127145127.qUXs_UAE@linutronix.de> <20251128022756.9973-1-xieyuanbin1@huawei.com> <20251128120359.Xc09qn1W@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251128_092247_954445_0772CCBF X-CRM114-Status: GOOD ( 13.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2025-11-28 17:01:18 [+0000], Russell King (Oracle) wrote: > > I hope Russell will add them once he gets to it. They got reviewed, I > > added them to the patch system. > > I'm not sure which patches you're talking about, but discussion is > still ongoing, so it would be greatly premature to merge anything. This thread https://lore.kernel.org/all/20251110145555.2555055-1-bigeasy@linutronix.de/ and the patches are 9459/1 to 9463/1 in your patch system. They address other issues, not this one. > https://lore.kernel.org/r/aSmUnZZATTn3JD7m@willie-the-truck > > There are now many threads each with their own discussion, which > makes it more difficult to work out which is the implementation that > should be merged. Clearly, not everyone knows about the other > discussion threads. So Will suggested to let change the handler and handle this case. The other patch is avoiding handling addr > TASK_SIZE. Any preferences from your side? Sebastian