linux-kernel - Re: [PATCH v5 0/6] Android Binder IPC Fixes

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Message-ID: <51D452BC.8060905@arm.com>
Date:	Wed, 03 Jul 2013 17:35:08 +0100
From:	Serban Constantinescu <Serban.Constantinescu@....com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"kernel-team@...roid.com" <kernel-team@...roid.com>,
	"arve@...roid.com" <arve@...roid.com>,
	"john.stultz@...aro.org" <john.stultz@...aro.org>,
	Dave Butcher <Dave.Butcher@....com>
Subject: Re: [PATCH v5 0/6] Android Binder IPC Fixes

Hi all,

Any feedback or comments on this patch set?

Thanks,
Serban

On 19/06/13 18:12, 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(kernel or userpsace).
>
> 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.
>
> Changes for v5:
> 1 6/6: Moved patch to the end of the series; changed handle to use __u32 type
> 2 4/6: Removed some of the alignment/buffer changes introduced in previous
>         versions of the patch.
>
> Changes for v4:
> 1: 5/6: Fix the offset buffer alignment such that it will work for cases where
> buffer start + buffer size are not aligned to (void *)
>
> Changes for v3:
> 1:  Dropped the patch that was replacing uint32_t types with unsigned int
> 2:  Dropped the patch fixing the IOCTL types(since it has been added to Greg's
>      staging tree)
> 3:  Split one patch into two: 'modify binder_write_read' and '64bit changes'
> 4:  Modified BINDER_SET_MAX_THREADS ioctl definition accordint to Arve's review
> 5:  Modified the binder command IOCTL declarations according to Arve's review
>
> Changes for v2:
> 1: 1/7: Modified the commit message according to Greg's feedback;
> 2: 3/7: Merged with the patch fixing the printk format specifiers.
>
> Serban Constantinescu (6):
>    staging: android: binder: modify struct binder_write_read to use
>      size_t
>    staging: android: binder: fix BINDER_SET_MAX_THREADS declaration
>    staging: android: binder: fix BC_FREE_BUFFER ioctl declaration
>    staging: android: binder: fix alignment issues
>    staging: android: binder: replace types with portable ones
>    staging: android: binder: fix binder interface for 64bit compat layer
>
>   drivers/staging/android/binder.c |   32 ++++++++++++-------------
>   drivers/staging/android/binder.h |   48 +++++++++++++++++++-------------------
>   2 files changed, 40 insertions(+), 40 deletions(-)
>


-- 
Best Regards,

Serban Constantinescu
PDSW Engineer ARM Ltd.

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