From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932288AbbFDWFB (ORCPT ); Thu, 4 Jun 2015 18:05:01 -0400 Received: from p3plsmtps2ded04.prod.phx3.secureserver.net ([208.109.80.198]:57257 "EHLO p3plsmtps2ded04.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753898AbbFDWEz (ORCPT ); Thu, 4 Jun 2015 18:04:55 -0400 x-originating-ip: 72.167.245.219 From: "K. Y. Srinivasan" To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com Cc: "K. Y. Srinivasan" Subject: [PATCH V2 03/10] Drivers: hv: vmbus: remove hv_synic_free_cpu() call from hv_synic_cleanup() Date: Thu, 4 Jun 2015 16:26:09 -0700 Message-Id: <1433460376-9387-3-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1433460376-9387-1-git-send-email-kys@microsoft.com> References: <1433460339-9346-1-git-send-email-kys@microsoft.com> <1433460376-9387-1-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov We already have hv_synic_free() which frees all per-cpu pages for all CPUs, let's remove the hv_synic_free_cpu() call from hv_synic_cleanup() so it will be possible to do separate cleanup (writing to MSRs) and final freeing. This is going to be used to assist kexec. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- drivers/hv/hv.c | 2 -- drivers/hv/vmbus_drv.c | 1 + 2 files changed, 1 insertions(+), 2 deletions(-) diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index d3943bc..5b87042 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -530,6 +530,4 @@ void hv_synic_cleanup(void *arg) rdmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64); sctrl.enable = 0; wrmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64); - - hv_synic_free_cpu(cpu); } diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 6de65fb..58a9344 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1089,6 +1089,7 @@ static void __exit vmbus_exit(void) tasklet_kill(hv_context.event_dpc[cpu]); smp_call_function_single(cpu, hv_synic_cleanup, NULL, 1); } + hv_synic_free(); acpi_bus_unregister_driver(&vmbus_acpi_driver); if (vmbus_proto_version > VERSION_WIN7) cpu_hotplug_enable(); -- 1.7.4.1