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 DF7F9C433FE for ; Wed, 6 Oct 2021 16:28:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6B8960EE5 for ; Wed, 6 Oct 2021 16:28:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239387AbhJFQaT (ORCPT ); Wed, 6 Oct 2021 12:30:19 -0400 Received: from mga18.intel.com ([134.134.136.126]:62657 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231987AbhJFQaR (ORCPT ); Wed, 6 Oct 2021 12:30:17 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10129"; a="212978594" X-IronPort-AV: E=Sophos;i="5.85,352,1624345200"; d="scan'208";a="212978594" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Oct 2021 09:28:24 -0700 X-IronPort-AV: E=Sophos;i="5.85,352,1624345200"; d="scan'208";a="589820412" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Oct 2021 09:28:22 -0700 Received: from andy by smile with local (Exim 4.95) (envelope-from ) id 1mY9mE-009Ft8-QL; Wed, 06 Oct 2021 19:28:18 +0300 Date: Wed, 6 Oct 2021 19:28:18 +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 08:27:36PM +0300, Andy Shevchenko wrote: > On Mon, Jun 14, 2021 at 08:07:33PM +0300, Andy Shevchenko wrote: > > 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. > > Double checked, confirmed that it's NOT working. Any news here? Shall I resend my series? -- With Best Regards, Andy Shevchenko From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga06.intel.com ([134.134.136.31]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mY9mM-00F0LP-Df for kexec@lists.infradead.org; Wed, 06 Oct 2021 16:28:27 +0000 Date: Wed, 6 Oct 2021 19:28:18 +0300 From: Andy Shevchenko Subject: Re: [PATCH v1 0/2] firmware: dmi_scan: Make it work in kexec'ed kernel Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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+dwmw2=infradead.org@lists.infradead.org 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 On Mon, Jun 14, 2021 at 08:27:36PM +0300, Andy Shevchenko wrote: > On Mon, Jun 14, 2021 at 08:07:33PM +0300, Andy Shevchenko wrote: > > 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. > > Double checked, confirmed that it's NOT working. Any news here? Shall I resend my series? -- With Best Regards, Andy Shevchenko _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec