Re: [PATCH v2 1/4] android: binder: Don't get mm from task

[Arve HjÃnnevÃg]

On Sat, Oct 21, 2017 at 1:15 AM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, Oct 20, 2017 at 08:58:58PM -0400, Sherry Yang wrote:
>> Use binder_alloc struct's mm_struct rather than getting
>> a reference to the mm struct through get_task_mm to
>> avoid a potential deadlock between lru lock, task lock and
>> dentry lock, since a thread can be holding the task lock
>> and the dentry lock while trying to acquire the lru lock.
>>
>> Acked-by: Arve HjÃnnevÃg <arve@xxxxxxxxxxx>
>> Signed-off-by: Sherry Yang <sherryy@xxxxxxxxxxx>
>> ---
>>  drivers/android/binder_alloc.c | 22 +++++++++-------------
>>  drivers/android/binder_alloc.h |  1 -
>>  2 files changed, 9 insertions(+), 14 deletions(-)
>
> I've applied these first 2 patches, but patches 3 and 4 I have already
> applied to my char-misc-next tree, right?
>
> thanks,
>
> greg k-h

I would expect you got a merge conflict from one of those. Using patch
3 and 4 in from this patchset should avoid that conflict if your
eventual 4.15 branch is not based on your current char-misc-next
branch.

-- 
Arve HjÃnnevÃg