From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Subject: Re: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users
 from atomic_t to refcount_t
Date: Wed, 8 Mar 2017 12:45:23 -0500
Message-ID: <c4ea3925-f505-3c5b-a9fc-c74ea5a7cbe9@oracle.com>
References: <1488810076-3754-1-git-send-email-elena.reshetova@intel.com>
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 <99270126-7751-eed0-5efa-fc695ff3be25@oracle.com>
 <2236FBA76BA1254E88B949DDB74E612B41C56177@IRSMSX102.ger.corp.intel.com>
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To: "Reshetova, Elena" <elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, "gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org" <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
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List-Id: linux-raid.ids

On 03/08/2017 08:49 AM, Reshetova, Elena wrote:
>> On 03/06/2017 09:21 AM, Elena Reshetova wrote:
>>> refcount_t type and corresponding API should be
>>> used instead of atomic_t when the variable is used as
>>> a reference counter. This allows to avoid accidental
>>> refcounter overflows that might lead to use-after-free
>>> situations.
>>>
>>> Signed-off-by: Elena Reshetova <elena.reshetova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
>>> Signed-off-by: Hans Liljestrand <ishkamiel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>>> Signed-off-by: Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
>>> Signed-off-by: David Windsor <dwindsor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>>> ---
>>>  drivers/xen/gntdev.c | 11 ++++++-----
>>>  1 file changed, 6 insertions(+), 5 deletions(-)
>> Reviewed-by: Boris Ostrovsky <boris.ostrovsky-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> Is there a tree that can take this change? Turns out it is better to propagate changes via separate trees and only leftovers can be taken via Greg's tree.  
>

Sure, we can take it via Xen tree for rc3.

-boris

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