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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 DDC94CDB471 for ; Tue, 23 Jun 2026 18:33:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 55EDC10EC47; Tue, 23 Jun 2026 18:33:49 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.b="HmuvRFHe"; dkim-atps=neutral Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by gabe.freedesktop.org (Postfix) with ESMTPS id 585FA10EC47 for ; Tue, 23 Jun 2026 18:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=8gavGOESHLq3+poxJrUxbYbmCuo9oiYFM15F/Tg6AEA=; b=HmuvRFHeDE7oJMQz0vOstfzrQZ caCfhKNV7npiQ9lxy2BfPq+mh/C3C0nm5oPCSr7DO2Ubc61J6uJxhYZAcprNT9gWiDtpO3JhMIZH2 c+B9CuXL30eQZ5nTU+FlHZlGMM2IvnROwgBxPkEkByNe8jxasvwd57rX42o3l8KDJrWErQVxVtP1N 1fQSn62S/yX4og+7pYw/D3lQZaO50zuxLbxspWGoPQ9PCq14W+crmwXsT//eJqlEDBqfpHLwo7E7W AM2fCdu0SwaipdbFyBVeOXcAWPMIYGJ8MbM0jgjYmElkgn/tir72WYvOGIew7cMxKvt6S9NmfddqV ZYaUEwqA==; Received: from willy by casper.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wc5wM-00000006cwF-1Y3h; Tue, 23 Jun 2026 18:33:42 +0000 Date: Tue, 23 Jun 2026 19:33:42 +0100 From: Matthew Wilcox To: "Christian A. Ehrhardt" Cc: Boris Brezillon , dri-devel@lists.freedesktop.org, Steven Price , Liviu Dudau , Andrew Morton , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm/panthor: Check VMA boundaries for PMD mappings Message-ID: References: <20260623181942.1536598-1-lk@c--e.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260623181942.1536598-1-lk@c--e.de> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, Jun 23, 2026 at 08:19:42PM +0200, Christian A. Ehrhardt wrote: > The panthor version is only compile tested because I don't > have the hardware. However, the code is identical to that > fixed in [1] and I have a reproducer for that. > > No need for for stable backports. The code is new in 7.1. What documentation did you need to see to persuade you to use map_pages instead of writing a huge_fault handler? (yes, you're all Doing It Wrong, please stop, but help us help you)