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[23.128.96.18]) by mx.google.com with ESMTP id lr17si11070183ejb.104.2021.06.14.10.08.55; Mon, 14 Jun 2021 10:09:19 -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; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234859AbhFNRKA (ORCPT + 99 others); Mon, 14 Jun 2021 13:10:00 -0400 Received: from mga17.intel.com ([192.55.52.151]:27173 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234056AbhFNRJ7 (ORCPT ); Mon, 14 Jun 2021 13:09:59 -0400 IronPort-SDR: 5rJdn/tN7TQkKY8GtrKjIKfAw4xEas4+dr4gOJGFiRlioUlnHSebn3PfkpBT1jcUbQErQ9iPM6 qQJSvIfMmU7Q== X-IronPort-AV: E=McAfee;i="6200,9189,10015"; a="186219185" X-IronPort-AV: E=Sophos;i="5.83,273,1616482800"; d="scan'208";a="186219185" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2021 10:07:39 -0700 IronPort-SDR: 4XeDyNei1DGThgPXtXTDeh7EMz9LgxDeeJpLhA64s4Vd/30J39NLMDB1xVHIyZu/YZjYL0+sT3 5d8XfE5Y2JyA== X-IronPort-AV: E=Sophos;i="5.83,273,1616482800"; d="scan'208";a="420841276" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2021 10:07:37 -0700 Received: from andy by smile with local (Exim 4.94) (envelope-from ) id 1lsq3h-002Hnw-QP; Mon, 14 Jun 2021 20:07:33 +0300 Date: Mon, 14 Jun 2021 20:07:33 +0300 From: Andy Shevchenko To: Dave Young Cc: Jean Delvare , Linux Kernel Mailing List , Mika Westerberg , Javier =?iso-8859-1?B?VGnh?= , kexec@lists.infradead.org, Eric Biederman , linux-efi , Matt Fleming , Ard Biesheuvel Subject: Re: [PATCH v1 0/2] firmware: dmi_scan: Make it work in kexec'ed kernel Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 14, 2021 at 06:38:30PM +0300, Andy Shevchenko wrote: > On Sat, Jun 12, 2021 at 12:40:57PM +0800, Dave Young wrote: > > > Probably it is doable to have kexec on 32bit efi working > > > without runtime service support, that means no need the trick of fixed > > > mapping. > > > > > > If I can restore my vm to boot 32bit efi on this weekend then I may provide some draft > > > patches for test. > > > > Unfortunately I failed to setup a 32bit efi guest, here are some > > untested draft patches, please have a try. > > Thanks for the patches. > > As previously, I have reverted my hacks and applied your patches (also I > dropped patches from previous mail against kernel and kexec-tools) for both > kernel and user space on first and second environments. > > It does NOT solve the issue. > > If there is no idea pops up soon, I'm going to resend my series that > workarounds the issue. Hold on, I may have made a mistake during testing. Let me retest this. -- With Best Regards, Andy Shevchenko