From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:38218 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965944AbdAJRTn (ORCPT ); Tue, 10 Jan 2017 12:19:43 -0500 Subject: patch "hv: init percpu_list in hv_synic_alloc()" added to char-misc-testing To: vkuznets@redhat.com, gregkh@linuxfoundation.org, kys@microsoft.com, stable@vger.kernel.org From: Date: Tue, 10 Jan 2017 18:19:52 +0100 Message-ID: <1484068792180174@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled hv: init percpu_list in hv_synic_alloc() to my char-misc git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git in the char-misc-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the char-misc-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >>From 8cd09838538019259a97fb705b6e5ec6c0352689 Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Wed, 7 Dec 2016 01:16:26 -0800 Subject: hv: init percpu_list in hv_synic_alloc() Initializing hv_context.percpu_list in hv_synic_alloc() helps to prevent a crash in percpu_channel_enq() when not all CPUs were online during initialization and it naturally belongs there. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan Cc: Signed-off-by: Greg Kroah-Hartman --- drivers/hv/hv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index dc11296d50fd..13937563c9db 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -457,6 +457,8 @@ int hv_synic_alloc(void) pr_err("Unable to allocate post msg page\n"); goto err; } + + INIT_LIST_HEAD(&hv_context.percpu_list[cpu]); } return 0; @@ -552,8 +554,6 @@ void hv_synic_init(void *arg) rdmsrl(HV_X64_MSR_VP_INDEX, vp_index); hv_context.vp_index[cpu] = (u32)vp_index; - INIT_LIST_HEAD(&hv_context.percpu_list[cpu]); - /* * Register the per-cpu clockevent source. */ -- 2.11.0