linux-kernel - Re: [PATCH V2 06/15] hv: allocate synic pages for all present CPUs

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Message-ID: <20161206100940.GC32261@kroah.com>
Date:   Tue, 6 Dec 2016 11:09:40 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     kys@...rosoft.com
Cc:     linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
        olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com,
        jasowang@...hat.com, leann.ogasawara@...onical.com
Subject: Re: [PATCH V2 06/15] hv: allocate synic pages for all present CPUs

On Sat, Dec 03, 2016 at 12:34:33PM -0800, kys@...hange.microsoft.com wrote:
> From: Vitaly Kuznetsov <vkuznets@...hat.com>
> 
> 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 <vkuznets@...hat.com>
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> ---
>  drivers/hv/hv.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)

For stable releases?