From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751906AbdAYNR7 (ORCPT ); Wed, 25 Jan 2017 08:17:59 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39202 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751722AbdAYNR6 (ORCPT ); Wed, 25 Jan 2017 08:17:58 -0500 From: Vitaly Kuznetsov To: devel@linuxdriverproject.org Cc: linux-kernel@vger.kernel.org, x86@kernel.org, "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger Subject: [PATCH 0/2] Drivers: hv: fix kexec/kdump after the recent changes Date: Wed, 25 Jan 2017 14:17:53 +0100 Message-Id: <20170125131755.21652-1-vkuznets@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 25 Jan 2017 13:17:58 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 'Restructure architecture specific code' series (now merged in char-misc) introduced a regression wrt kexec/kdump. Hypercall and TSC pages setup was moved out to the architecture specific code and the cleanup was dropped. We, however, still need this cleanup: in kexec case the new kernel may try using these pages as normal memory and will certainly crash. Restore the minimal cleanup moving it to the architecture specific code. Commit ids I mention in 'Fixes:' tags are from char-misc-next. Vitaly Kuznetsov (2): Drivers: hv: restore hypervcall page cleanup before kexec Drivers: hv: restore TSC page cleanup before kexec arch/x86/hyperv/hv_init.c | 20 ++++++++++++++++++++ arch/x86/include/asm/mshyperv.h | 1 + drivers/hv/hv.c | 10 ---------- drivers/hv/hyperv_vmbus.h | 2 -- drivers/hv/vmbus_drv.c | 10 +++------- 5 files changed, 24 insertions(+), 19 deletions(-) -- 2.9.3