From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:55278 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934415AbdAKGxS (ORCPT ); Wed, 11 Jan 2017 01:53:18 -0500 Subject: patch "hv: allocate synic pages for all present CPUs" added to char-misc-next To: vkuznets@redhat.com, gregkh@linuxfoundation.org, kys@microsoft.com, stable@vger.kernel.org From: Date: Wed, 11 Jan 2017 07:53:36 +0100 Message-ID: <1484117616239252@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: allocate synic pages for all present CPUs 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-next 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 also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >>From 421b8f20d3c381b215f988b42428f56fc3b82405 Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Wed, 7 Dec 2016 01:16:25 -0800 Subject: hv: allocate synic pages for all present CPUs It may happen that not all CPUs are online when we do hv_synic_alloc() and in case more CPUs come online later we may try accessing these allocated structures. 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 b44b32f21e61..dc11296d50fd 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -411,7 +411,7 @@ int hv_synic_alloc(void) goto err; } - for_each_online_cpu(cpu) { + for_each_present_cpu(cpu) { hv_context.event_dpc[cpu] = kmalloc(size, GFP_ATOMIC); if (hv_context.event_dpc[cpu] == NULL) { pr_err("Unable to allocate event dpc\n"); @@ -482,7 +482,7 @@ void hv_synic_free(void) int cpu; kfree(hv_context.hv_numa_map); - for_each_online_cpu(cpu) + for_each_present_cpu(cpu) hv_synic_free_cpu(cpu); } -- 2.11.0