Re: [PATCH v3 0/6] Android Binder IPC Fixes

From: Serban Constantinescu
Date: Tue Apr 30 2013 - 04:53:00 EST

Hi Kirill,

On 30/04/13 08:31, Kirill A. Shutemov wrote:
On Fri, Apr 12, 2013 at 01:25:49PM +0100, Serban Constantinescu wrote:
The patch set has been successfully tested with a 64bit Linux userspace and
64bit binder unit-tests.

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've tried to replace ugly hack with your patches to be able to boot
32-bit userspace on x86-64. It fails. :(

This patch set fixes the binder interface so that it works on 32/32 or 64/64 systems and preps the driver for the compat layer - 64bit kernel/32bit userspace. As discussed with the Android developers the binder compat will live in the userspace. Thus for a 64bit kernel the calls coming from 32 or 64bit file-systems will look alike.

Thus for the moment it won't work.


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