Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp3958639pxb; Tue, 17 Nov 2020 07:53:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJyoYuA7OXQFvQ6lYBeZTkTN3SD2Xp237hWQqSlcwGDTExIt5w6tU61C2fGEsQvT9kQQzfyr X-Received: by 2002:a17:906:af69:: with SMTP id os9mr1992237ejb.180.1605628417769; Tue, 17 Nov 2020 07:53:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1605628417; cv=none; d=google.com; s=arc-20160816; b=wLppHXmsuUo2gfIC+M1G/w574hx8WNcj1nLhvTV7UC2sZGp3VUHcfSFvM2rHiNRbA8 hIzf3WPcbkQA4NBHOrYldFgH81G39lzCiEHthfK7JbX80atzy8diDKH5kRdKoJs2PLjL AR0VzwDHB8bcO7gidKzksm3TZB1OiT0hi5AJoQleI3RAOoX/zRtLWsHQRNvCE3PZlSgD Wx2MDOgLwBict3eaMM86k3cVsQUHyc+8uGy/RL2KFo7ggt+NJqYImhw9rZviSh63FrH9 RW/nZzSZqocHSr1syc80dTio/kN4fAS7MHY/2j3NDkq1civAhf5Fywu/q0ItIURsAXqP jjhQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=Xy0eIJq45cOjFkGS+v3fXywAVpq7YfmHCg00OPy1c58=; b=ja/u0jR/yTBYkjgzGJ+eepvont0KTEs6s5LK1rlkGlDegwK2DXxflgiYV+kflKsGOn UbT/TZBkul3o1EVqlgMcPiPFTn5UkZtK4WmD3VUW/pWyf8tWM2Ko6tF4dLVvQ+sSSrkV S532D8ucXOwngp6jzK1tVFc6aWLFt2Ur+JcPUJjcuQbCAi3yia+e40t3fXC6co9p1YVX apcIobETiht81s04VqiLiMFuyiiMBUQUYZHdfSQmxU0MxfRrNwqGunJCC9HRMsLkcteE 3Lz8xmye4eKONhknVE7vSmw4t2yo1e9Vd8uvHCXGTWFJd/T/MiTTM/ud9zpmiAIGCHz8 3T2w== 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 f7si13230280ejr.344.2020.11.17.07.53.13; Tue, 17 Nov 2020 07:53:37 -0800 (PST) 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 S1726697AbgKQPva (ORCPT + 99 others); Tue, 17 Nov 2020 10:51:30 -0500 Received: from mx2.suse.de ([195.135.220.15]:37224 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726667AbgKQPv3 (ORCPT ); Tue, 17 Nov 2020 10:51:29 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 8A716AD79; Tue, 17 Nov 2020 15:51:28 +0000 (UTC) Date: Tue, 17 Nov 2020 16:51:25 +0100 From: Oscar Salvador To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Rashmica Gupta , Andrew Morton , Mike Rapoport , Michal Hocko , Wei Yang Subject: Re: [PATCH v2 7/8] powerpc/mm: remove linear mapping if __add_pages() fails in arch_add_memory() Message-ID: <20201117155125.GF15987@linux> References: <20201111145322.15793-1-david@redhat.com> <20201111145322.15793-8-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201111145322.15793-8-david@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 11, 2020 at 03:53:21PM +0100, David Hildenbrand wrote: > Let's revert what we did in case seomthing goes wrong and we return an "something" :-) > error - as already done on arm64 and s390x. > > Cc: Michael Ellerman > Cc: Benjamin Herrenschmidt > Cc: Paul Mackerras > Cc: Rashmica Gupta > Cc: Andrew Morton > Cc: Mike Rapoport > Cc: Michal Hocko > Cc: Oscar Salvador > Cc: Wei Yang > Signed-off-by: David Hildenbrand Reviewed-by: Oscar Salvador -- Oscar Salvador SUSE L3