Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp5789979imm; Mon, 27 Aug 2018 04:28:19 -0700 (PDT) X-Google-Smtp-Source: ANB0VdYqXxPOAOMmhOZU409RJWJ51bB1ak+XPGk2fexDEaQV2UsVtQkLQJ8qUho6YF+6Tut3WZZ+ X-Received: by 2002:a63:f14d:: with SMTP id o13-v6mr11847117pgk.236.1535369299867; Mon, 27 Aug 2018 04:28:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535369299; cv=none; d=google.com; s=arc-20160816; b=k/hVOkg80eq5hatgNKkYGjIRe9gg0UKHQZP8MDrBfIVijezoE7s+czPBnYffH1CUx2 mEN68Rv4dCBT5EOTWyMu/Mqn/APLRyWHr+Njm2FChsi821+njf93LxARNlTVy8Wwyc3t adw2+vvPf6pgKkbBSTnxa3KWt8ncW5AjmjbJ5dYGmPzQbvWNqZldHovQAWgwbzQfPCgk G7yaEgcpl4dKlfW2iE22SjJCaog3Ucu0lCvqMEG5I4N1K6U60NBWlTDtJYK263f3alRo KQqasC0r4sOZAcWyUU2nsJzVPbLtmXlUQl2gMN7T7BMMlmZ5Op1ttlkmGBh8bg3zOKTU JKxA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=heTNB2cH7gTMhMGFyyS2ItQcdfSPp8FISFRvmSga2s8=; b=XBpxPbTXbk9rUD/xW/VrGwA7/sVj0Xr+4cCQ6S8b1mUoiAjpLS74YsDXPxj/80iC2D W0dYmLPmodghT8Kiah5it8H/E0aIu+sxMWb6OGswT6HL8z0nc+CLhS0qIRfMQDRB7jAe wc/n3yw6bKfi7VdCNw411YC7zjKHqoCTjD52yA00VYNXKBOwSMirDhlOt54N61uP2v6f JNJeaZnIlpzCivhukA3diJs4oPV3LfNLbPaH7Y8hw9lSWUGwYKMqwkmRih+oYMdYj66L R2cH8wvu2nkfixQ2JvVgDI2Sy80+hxMiP3uwAb3PuhWry9VCV3O43CPTQHPAF33ySbhI FdtA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f7-v6si15018287pfc.174.2018.08.27.04.28.04; Mon, 27 Aug 2018 04:28:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727345AbeH0PMw (ORCPT + 99 others); Mon, 27 Aug 2018 11:12:52 -0400 Received: from mail-ed1-f43.google.com ([209.85.208.43]:45478 "EHLO mail-ed1-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726972AbeH0PMw (ORCPT ); Mon, 27 Aug 2018 11:12:52 -0400 Received: by mail-ed1-f43.google.com with SMTP id p52-v6so10166393eda.12 for ; Mon, 27 Aug 2018 04:26:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=heTNB2cH7gTMhMGFyyS2ItQcdfSPp8FISFRvmSga2s8=; b=VGqCF7m8aB0Vj/EMMuXaSTUjczWzTn34GZIQ+hmv51SwQjZQaXakgSwIP4StSyo7tD b4YBibL3/+jC3Ptl+s+F3E6q+NyXSayR8AzNWDuwvx+yIn6B97xzMxjx+lrhsPge83DF A6Y4Pvn7unScVF7/seXEW/K+gNkdC0drcY5F9Vb26pldqW6gx3TM/nSFJmjzf8w49+yR 7rcTGMMCjPXdbMskEa4hwBecwRwB0RbamajVKoIkZ0AURPXo9j9hPHV47gpibvV6r3Ke QNLpSBOQrkY0sRmdae0WZvnTy+fxG2j+COFI3nTr4Piz11M3IIdTW7+lVZagFnTzWBmm 90HQ== X-Gm-Message-State: APzg51BxGYtWq0doxisYv6bkaykVwBVHStU00EnY2+6rqRaFCA8g1dH0 HODifSdAjYmlI6J4skkRxNQ= X-Received: by 2002:a50:8c45:: with SMTP id p63-v6mr16745307edp.84.1535369195849; Mon, 27 Aug 2018 04:26:35 -0700 (PDT) Received: from tiehlicka.suse.cz (prg-ext-pat.suse.com. [213.151.95.130]) by smtp.gmail.com with ESMTPSA id v1-v6sm6454416edf.3.2018.08.27.04.26.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Aug 2018 04:26:34 -0700 (PDT) From: Michal Hocko To: Andrew Morton Cc: Tetsuo Handa , , LKML Subject: [PATCH 0/3] mmu_notifiers follow ups Date: Mon, 27 Aug 2018 13:26:20 +0200 Message-Id: <20180827112623.8992-1-mhocko@kernel.org> X-Mailer: git-send-email 2.18.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrew, Tetsuo has noticed some fallouts from 93065ac753e4 ("mm, oom: distinguish blockable mode for mmu notifiers"). One of them has been fixed and picked up by AMD/DRM maintainer [1]. XEN issue is fixed by patch 1. I have also clarified expectations about blockable semantic of invalidate_range_end. Finally the last patch removes MMU_INVALIDATE_DOES_NOT_BLOCK which is no longer used nor needed. [1] http://lkml.kernel.org/r/20180824135257.GU29735@dhcp22.suse.cz