From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751521AbcGMQpA (ORCPT ); Wed, 13 Jul 2016 12:45:00 -0400 Received: from mail-vk0-f45.google.com ([209.85.213.45]:35675 "EHLO mail-vk0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750950AbcGMQow (ORCPT ); Wed, 13 Jul 2016 12:44:52 -0400 MIME-Version: 1.0 In-Reply-To: <1468426776-42762-1-git-send-email-eswierk@skyportsystems.com> References: <1466557831-113440-1-git-send-email-eswierk@skyportsystems.com> <1468426776-42762-1-git-send-email-eswierk@skyportsystems.com> From: Ed Swierk Date: Wed, 13 Jul 2016 09:44:05 -0700 Message-ID: Subject: Re: [PATCH v9 0/5] tpm: Command duration logging and chip-specific override To: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Cc: Jarkko Sakkinen , Jason Gunthorpe , Stefan Berger , Ed Swierk Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 13, 2016 at 9:19 AM, Ed Swierk wrote: > v9: Include command duration in existing error messages rather than > logging an extra debug message. Rebase onto Jarkko's tree. Incidentally, with Jarkko's tree the tpm_tis module refuses to initialize (with or without force=1): tpm_tis 00:03: can't request region for resource [mem 0xfed40000-0xfed44fff] tpm_tis: probe of 00:03 failed with error -16 The memory region is not marked reserved by the BIOS: e820: BIOS-provided physical RAM map: Xen: [mem 0x0000000000000000-0x000000000005ffff] usable Xen: [mem 0x0000000000060000-0x0000000000067fff] reserved Xen: [mem 0x0000000000068000-0x000000000009afff] usable Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved Xen: [mem 0x0000000000100000-0x0000000075b01fff] usable Xen: [mem 0x0000000075baf000-0x000000007a1f5fff] usable Xen: [mem 0x000000007b7d7000-0x000000007b7fffff] usable Xen: [mem 0x000000007bf00000-0x000000007bffffff] usable Xen: [mem 0x00000000c7ffc000-0x00000000c7ffcfff] reserved Xen: [mem 0x00000000fbffc000-0x00000000fbffcfff] reserved Xen: [mem 0x00000000fec00000-0x00000000fec01fff] reserved Xen: [mem 0x00000000fec40000-0x00000000fec40fff] reserved Xen: [mem 0x00000000fed20000-0x00000000fed2ffff] usable Xen: [mem 0x00000000fee00000-0x00000000feefffff] reserved Xen: [mem 0x0000000100000000-0x0000000505deafff] usable With force=1, /proc/iomem shows: fed30000-fedfffff : RAM buffer fed40000-fed44fff : tpm_tis I can work around this problem by passing memmap=0x5000$0xfed40000 on the kernel command line. --Ed