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

From: Greg KH
Date: Tue Dec 06 2016 - 05:11:15 EST


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

For stable releases?