Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp335003ybz; Wed, 29 Apr 2020 00:48:17 -0700 (PDT) X-Google-Smtp-Source: APiQypI7rJA6J3FNkIN0wIqdSSADA1lj8hdcCNQZPxj9r0Jnn44KIxaHbfp4Bd481NLZyQZVKvJE X-Received: by 2002:a50:a365:: with SMTP id 92mr1326499edn.220.1588146497044; Wed, 29 Apr 2020 00:48:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588146497; cv=none; d=google.com; s=arc-20160816; b=sH6Z76+8bUsSNqP/TS5ZzYSNwV5hwxCg1g9k76GLmLBYSoYSeXb0o7EGjyyclPSTuT RC/1rUqk5St4Zr4vO2vhFeHc4OA+dIWy/pU/T6zTCu7g41HteNXgrKsTwXbH+LujlrL+ JWr2iNY5R/dVdx9CK9Q9jTmJRTYUaVldch2cgt4vQN4UZD0HVDlarzPrcI4DHXvvSWSr k+UcQbLRn94LpuE77dESQnwOH7WdIyYH307dJtWcnEAzVo/2ck1hOZvJ5NolNO9zha2L Pv7C7C3gl+uZ082+K95murwHPIgXX3MvGnRNmBE/gKezSgD8UXDZRi+jVJ4+OJq9vyBa FIng== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=CU1r87DEf9EDqidLSkEplO1lYUftmrsA2E1BOSxydts=; b=ouJcvTHu4lBqTpNou+rEnan4CAJHfEIp1CkGnUcQS7wLMOV5teOBn54yDSTzoBuxLi D4xPMtslILiLmBcNNFk67VJs68nYXLFsPJi50CFzfir5z60Yw8b31VxqAVJlDslgzN9G CX4Cs5vtOMXsOa5L3rMyXKV9gfLxemip/Qc+Db3S1+yW0NgdlC2EDg9rTiVkTjdDPZji wEUQ3TyeIok1RiXcBNq0jjvTh15UCXKhahghGLWNTuSmHQPkTrhmf7a2gDaaZ1N4Kjxz NJ7TOvsnT0mytuA4hZjDZT+wqfuqFqtcy/8hHooVcrxmpJ8+dZQI/GY8FpgYjehA2yqk VUVQ== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s7si2992211edh.266.2020.04.29.00.47.53; Wed, 29 Apr 2020 00:48:17 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726501AbgD2HqY (ORCPT + 99 others); Wed, 29 Apr 2020 03:46:24 -0400 Received: from mail-oo1-f68.google.com ([209.85.161.68]:46020 "EHLO mail-oo1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726355AbgD2HqX (ORCPT ); Wed, 29 Apr 2020 03:46:23 -0400 Received: by mail-oo1-f68.google.com with SMTP id 190so215648ooa.12 for ; Wed, 29 Apr 2020 00:46:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=CU1r87DEf9EDqidLSkEplO1lYUftmrsA2E1BOSxydts=; b=XjXFCOF34lVLKg5FGTTur8y7Y8DRHJDK/4giPtvdsMw0RJQB/iclbfaHyRU75Kfz7r vXniOfmyrFg61T4SZPk39TzG6Cjoj/aHshnSVXvy5VM2vU2sRWj/jClaBExRehRn2cmY G7i3chS7vtGUjiNGNeGHLtcV3ZEs313f2snaKoeFVDaMtezCYFUM5hvlciIvfwtipm+f R0FnoEr7WikoqfpV4NsEel5LDHPIMa5KujltjzZ9V7mHdPWBjLT8Ukij5GlUyrVNZXKH bPUF5lVRYT5p5zHCOQ5cJgSnEgbAnI/+k0HwQ8KHnOo4DYv8lHIjsZm8IZs7aXjQFhv7 +h7w== X-Gm-Message-State: AGi0PuaLysGOn8onl2EB1Pe2rmDSjvlYGxClprm5/kwQES73IVQjah+x LLeoQyZxL+6w7IB4d3aId7eppyaOQoVQRF2lOIk= X-Received: by 2002:a4a:e8db:: with SMTP id h27mr26395547ooe.40.1588146382572; Wed, 29 Apr 2020 00:46:22 -0700 (PDT) MIME-Version: 1.0 References: <20200428194449.22615-1-willy@infradead.org> <20200428194449.22615-7-willy@infradead.org> In-Reply-To: <20200428194449.22615-7-willy@infradead.org> From: Geert Uytterhoeven Date: Wed, 29 Apr 2020 09:46:11 +0200 Message-ID: Subject: Re: [PATCH 6/7] mm: Set pt_mm in PTE constructor To: Matthew Wilcox Cc: Linux MM , Linux Kernel Mailing List , Linux ARM , Will Deacon , Catalin Marinas , Russell King , linux-m68k Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 28, 2020 at 9:45 PM Matthew Wilcox wrote: > From: "Matthew Wilcox (Oracle)" > > By setting pt_mm for pages in use as page tables, we can help with > debugging and lay the foundation for handling hardware errors in page > tables more gracefully. It also opens up the possibility for adding > more sanity checks in the future. > > Signed-off-by: Matthew Wilcox (Oracle) > arch/m68k/include/asm/mcf_pgalloc.h | 2 +- > arch/m68k/mm/motorola.c | 2 +- Reviewed-by: Geert Uytterhoeven Acked-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds