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Date: Thu, 27 Jul 2017 06:23:54 -0700
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: Martijn Coenen <maco@google.com>, John Stultz <john.stultz@linaro.org>,
        Todd Kjos <tkjos@android.com>,
        Arve =?iso-8859-1?B?SGr4bm5lduVn?= <arve@android.com>,
        devel@driverdev.osuosl.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Todd Kjos <tkjos@google.com>
Subject: Re: [PATCH 02/37] binder: use group leader instead of open thread
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On Thu, Jul 27, 2017 at 02:38:30PM +0530, Amit Pundir wrote:
> Hi,
> 
> On 25 July 2017 at 14:43, Martijn Coenen <maco@google.com> wrote:
> > Hi John,
> >
> > On Mon, Jul 24, 2017 at 11:07 PM, John Stultz <john.stultz@linaro.org> wrote:
> >>
> >> 12-31 16:00:36.632  2518  2584 E hw-ProcessState: Using /dev/hwbinder
> >> failed: unable to mmap transaction memory.
> >
> > This doesn't look right. Is there anything in the kernel log?
> 
> There is a slight difference in this patch and the one that got pushed
> in android-4.9[1]. I cherry-picked those changes and got BT/WiFi
> working again on Hikey with mainline tracking (4.13-rc2) tree.
> 
> Regards,
> Amit Pundir
> [1] https://android.googlesource.com/kernel/common/+/872c26eb0776ef160447d8703779e2bce0b7230a%5E%21/#F0

And what is that difference?