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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 C472EEB8FB5 for ; Wed, 6 Sep 2023 07:39:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=3U/YkwNBLxO+qK6KcYv6NRNDnyR5Tle2jV4Nm2FZzks=; b=zq1wSg5u8LqlWy MwKxnc8CxafSRQsL8e5vTBu6ppHuiUqj1jYGHsToZnMHsITSeC/pK9gcB1WqnxezkVW6e8qMGrPlX drXuVtILMN86fqppPKAAlwhzxPgeaE87Ju9hor4/cRjJKj7FBMd1s/BMPwVl8WUIMFrOoJBlHGZz/ FUlVix7hedbQSvO+DVbC0boULH78vpom10TTOxWX+/FI+RCQ70gviTw0WtThr4ioPpnXhwZ8nXORN mhdiu7LIygR6fmkrB+P6iu25OXTZNc/HZS2tw9bb5so78bkiCoePwdUzD4BEJ0xzryqJ/niBdn0n0 FWgR9Y5E/RZeti5YauAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qdn8G-007XGJ-0G; Wed, 06 Sep 2023 07:39:24 +0000 Received: from mgamail.intel.com ([192.55.52.120]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qdn8D-007XFU-25 for kexec@lists.infradead.org; Wed, 06 Sep 2023 07:39:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693985961; x=1725521961; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=9DWfOXctPMjyadaaUcywDcWCHVuND2DRm2KBk4DeAY8=; b=KFaG+ffi5S+KJKLF8bPHYBC8vIMVHBeKRFEyRujS53lQio7goD9EpFgb JHy3IvYyoj2LPnUzcNzEgK24ezoJNdqm59QaGgwZIk9ZuHpfWDcSW9PFj q0tBr3aws7kU3/TCG1ddtP2Tk4wA39FlTs9hF3r8GeydQiGCg9MC0XfGl DztgxBTON8b0dTEhWkPzAyOZDZo/1rqDxFpZ5iSv584/s/AuLJkO+RQ4Q E/OWnr58w9mwc5Ftp5ECx/n7cEc5F3GP2EcH0PRY+HL/mc/Z8v916MOPv sVq135sa/MrpUqcld9mf39cPutsuM4FKg/+Z3wzsjNfsBIxhhy7rnl3Sb A==; X-IronPort-AV: E=McAfee;i="6600,9927,10824"; a="375898440" X-IronPort-AV: E=Sophos;i="6.02,231,1688454000"; d="scan'208";a="375898440" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2023 00:39:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10824"; a="988133778" X-IronPort-AV: E=Sophos;i="6.02,231,1688454000"; d="scan'208";a="988133778" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.home\044ger.corp.intel.com) ([10.252.60.154]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2023 00:39:16 -0700 From: Adrian Hunter To: "Kirill A. Shutemov" , Borislav Petkov , Andrew Morton Cc: Dave Hansen , Vlastimil Babka , Mike Rapoport , Lorenzo Stoakes , Tom Lendacky , Baoquan He , Vivek Goyal , Dave Young , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, linux-efi@vger.kernel.org, kexec@lists.infradead.org Subject: [PATCH 0/3] Do not map unaccepted memory Date: Wed, 6 Sep 2023 10:38:59 +0300 Message-Id: <20230906073902.4229-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_003921_693794_03713FAA X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Hi Support for unaccepted memory was added recently, refer commit dcdfdd40fa82 ("mm: Add support for unaccepted memory"), whereby a virtual machine may need to accept memory before it can be used. Plug a few gaps where RAM is exposed without checking if it is unaccepted memory. Adrian Hunter (3): proc/vmcore: Do not map unaccepted memory proc/kcore: Do not map unaccepted memory /dev/mem: Do not map unaccepted memory drivers/char/mem.c | 9 +++++++-- fs/proc/kcore.c | 10 +++++++++- fs/proc/vmcore.c | 15 ++++++++++++--- 3 files changed, 28 insertions(+), 6 deletions(-) Regards Adrian _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec