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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFEFEC433FE for ; Fri, 4 Mar 2022 18:34:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237974AbiCDSfp (ORCPT ); Fri, 4 Mar 2022 13:35:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229513AbiCDSfo (ORCPT ); Fri, 4 Mar 2022 13:35:44 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1307F186BBF; Fri, 4 Mar 2022 10:34:56 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A251FB82B33; Fri, 4 Mar 2022 18:34:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2148C340E9; Fri, 4 Mar 2022 18:34:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646418893; bh=6OJXo+wTmMDK0HYpOgD2/ABd5hCrQTAMKWEXggBmyOw=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=c5BIgDgGY5+UJ8lwXu0RUuqqDY2FsV55y7zqdD81HMLJsCUFHxwLD5g2naHzJgV1v 1MeHNrJq5YN7791I5ErtSn3+aP8kR8ELuDXVPBHVgj+P8I0TT4yBUS2RngS6m+Ubb5 Q8s7j0Znait2ySrOM/kbEn0ixjLu7mfK0m/Pcgx+WMNF/tFrCsrzuOaNS776zsbTt0 tijwGq75oacS+5xptb9yln2+FZnS2Rs9ipw2O3nVMPbCUEO98dJD4V/u0Z1ihSGiF7 DoVZjXICH6IoGw2yScL7Xjvb4xVTi1GpLjPgB0qorQ1f923z4XiJ4U5vpFcO07MBSW ox3oWtOIlzFcA== Date: Fri, 4 Mar 2022 12:34:51 -0600 From: Bjorn Helgaas To: Hans de Goede Cc: "Rafael J . Wysocki" , Borislav Petkov , "H . Peter Anvin" , Ingo Molnar , Mika Westerberg , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Myron Stowe , Juha-Pekka Heikkila , Benoit =?iso-8859-1?Q?Gr=E9goire?= , Hui Wang , Kai-Heng Feng , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Bjorn Helgaas , wse@tuxedocomputers.com Subject: Re: [PATCH 3/3] x86/PCI: Preserve host bridge windows completely covered by E820 Message-ID: <20220304183451.GA1046413@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86b17447-b285-f6ce-99d8-f2cad01405d5@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Fri, Mar 04, 2022 at 04:46:11PM +0100, Hans de Goede wrote: > On 3/4/22 16:32, Bjorn Helgaas wrote: > > I think what might add useful information would be to always log the > > EFI "RUN" entries. IIUC, currently the "efi: mem47: ..." lines are > > only emitted when booting with "efi=debug"? > > > > I think the "RUN" lines indicate regions that must be virtually mapped > > so EFI runtime services can use them, and it seems like it might be > > more generally useful to always mention them. > > I'm not sure about always logging the EFI memmap I agree it might > be useful sometimes, but it is easy to enable then and the initial > boot code of the kernel already is pretty "chatty". Yeah. I didn't mean all of the EFI memmap, just the parts that we're sharing with firmware. But I guess everybody probably has different parts of the map they think would be interesting :)