Re: [PATCH 0/8] Android Binder IPC Fixes

From: Arve Hjønnevåg
Date: Fri Apr 05 2013 - 19:38:49 EST


On Fri, Apr 5, 2013 at 3:00 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Apr 04, 2013 at 01:32:30PM +0100, Serban Constantinescu wrote:
>> Hi all,
>>
>> This set of patches will clean-up and fix some of the issues that arise
>> with the current binder interface when moving to a 64bit kernel. All these
>> changes will not affect the existing 32bit Android interface and are meant
>> to stand as the base for the 64bit binder compat layer.
>>
>> This patch set has been successfully tested on 32bit platforms(ARMv7 VExpress)
>> and 64bit platforms(ARMv8 RTSM) running a 32bit Android userspace and an in
>> kernel binder compat layer.
>
> I need some acks from some of the Android developers before I can take
> this.
>

I still think it is better to change user-space to use 64 bit pointer
types when running on a 64 bit kernel. These changes do not seem to
allow 64 bit user-space processes on a 64 bit kernel.

--
Arve Hjønnevåg
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