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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4114C433FE for ; Thu, 30 Sep 2021 04:14:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 525FB61880 for ; Thu, 30 Sep 2021 04:14:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 525FB61880 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=soleen.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id E0FED940086; Thu, 30 Sep 2021 00:14:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DBE9C94003A; Thu, 30 Sep 2021 00:14:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C609F940086; Thu, 30 Sep 2021 00:14:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0076.hostedemail.com [216.40.44.76]) by kanga.kvack.org (Postfix) with ESMTP id B64D594003A for ; Thu, 30 Sep 2021 00:14:26 -0400 (EDT) Received: from smtpin33.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 624D11835228A for ; Thu, 30 Sep 2021 04:14:26 +0000 (UTC) X-FDA: 78642922932.33.E32A44C Received: from mail-lf1-f46.google.com (mail-lf1-f46.google.com [209.85.167.46]) by imf07.hostedemail.com (Postfix) with ESMTP id 2165110001E4 for ; Thu, 30 Sep 2021 04:14:26 +0000 (UTC) Received: by mail-lf1-f46.google.com with SMTP id e15so19660959lfr.10 for ; Wed, 29 Sep 2021 21:14:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sO0x8NIMxwP46ESNIv2xpVjBhysVETzW2chJwSBzRwU=; b=kOlfRcYl1zI/gm4F+aW0myQT/iEast95dJACdmRQDm/TcEZVdiddb+ZHtb4dTO1PP1 FPwpfswU1f7ejYcpmDCbVjc3jtKwFKzmTJ8b8B7Yz7eH+YZRqoxQY2hCaSBZB/+ckvcn 7xuIQoniNOBP/999GVUyrZiQk3WNHJk8LWkH7fBSRQZ03VZPi1HUOTkdAY7RCw36g9ul gYt0MDwcyjJ6uERhtAsR6nQEwcz8E9RQUcCb78SK+1EdGOGHxVV/4ULDNYo8HMx5K0YZ KVlXXRC1RSK3czc3oJTVRvrFJyEpR5E/tzkQHZr7sZLGOe6X1hbk2T8JpZQdRuTEdptA 5pTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sO0x8NIMxwP46ESNIv2xpVjBhysVETzW2chJwSBzRwU=; b=qp6S3qVzoWUaK4XAgQqygVCdhQu7d7rq14X5SsKAdBY+20pB2O21a2e/7Rv8qHa9dP nlWTTfvDJXEIEa4p+7IFb7cagBYVcoIagGg4Pqrt8fW/jGvwCmRTCSlf6vj9aT0Vqjst CF6T0zwQeZYpXwdiLWlrg9UXs8ncKd7pxqBicsMv8rtSAbAiXIC8OMBQiMjp6Qycu8np kOuaCAKdMQaA5UPk2vopS4Laks6J97spSyEUjb1be/Nfmx0ZJJEKuBDEzw65wE/+SUZA 8XyPpORTnJgAlYw0sCgudZOl81IxQgyycj4OPl+vTpDVzyXoJUkqgpINCGowrZ1bP24k 1gJQ== X-Gm-Message-State: AOAM531Pz2VSDHFD0ewjHY6TdFlfbr7FCvCPrwxrnkKNdh6s5DNpI/Kw a5N42euWRMSH4ku3I/Vkl4bSexjTT4NOgGLOWTjulQ== X-Google-Smtp-Source: ABdhPJxT+3WPkEoiGoMMpArF5WTfk12bq/AM8QQ4F1c4ZuLJ3bH+idLVa4cTe2g4hOcjOFRhdOfeMfagydqhPQG7CPM= X-Received: by 2002:a05:6512:b08:: with SMTP id w8mr3509908lfu.505.1632975264674; Wed, 29 Sep 2021 21:14:24 -0700 (PDT) MIME-Version: 1.0 References: <20210916231325.125533-1-pasha.tatashin@soleen.com> In-Reply-To: From: Pasha Tatashin Date: Thu, 30 Sep 2021 00:13:47 -0400 Message-ID: Subject: Re: [PATCH v17 00/15] arm64: MMU enabled kexec relocation To: Catalin Marinas Cc: James Morris , Sasha Levin , "Eric W. Biederman" , kexec mailing list , LKML , Jonathan Corbet , Will Deacon , Linux ARM , Marc Zyngier , James Morse , Vladimir Murzin , Matthias Brugger , linux-mm , Mark Rutland , steve.capper@arm.com, rfontana@redhat.com, Thomas Gleixner , Selin Dag , Tyler Hicks , Pingfan Liu , Andrew Morton , madvenka@linux.microsoft.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 2165110001E4 X-Stat-Signature: mmzf6i1pqni177ox1fb8p5uc8d4f1xtj Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=soleen.com header.s=google header.b=kOlfRcYl; spf=pass (imf07.hostedemail.com: domain of pasha.tatashin@soleen.com designates 209.85.167.46 as permitted sender) smtp.mailfrom=pasha.tatashin@soleen.com; dmarc=none X-HE-Tag: 1632975266-755530 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > FWIW, I'm fine with this series. I think the only concern raised by > James and not addressed is the possibility of the failure of the memory > allocation for copying the page tables during kexec. If anyone will > complain in the future, we can look into adding a fallback mechanism to > do the relocation with the MMU off. > > Acked-by: Catalin Marinas Thank you. Pasha