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From:   Todd Kjos <tkjos@google.com>
Date:   Mon, 11 Feb 2019 09:22:17 -0800
Message-ID: <CAHRSSEyjLkQvZjW83Vf3HqeEE1uKw2W1VDBg_78A07YzAFPjBA@mail.gmail.com>
Subject: Re: [PATCH] staging: android: vsoc: Remove VSOC_WAIT_FOR_INCOMING_INTERRUPT
To:     Greg KH <gregkh@linuxfoundation.org>,
        Alistair Strachan <astrachan@google.com>
Cc:     Souptick Joarder <jrdr.linux@gmail.com>,
        "open list:ANDROID DRIVERS" <devel@driverdev.osuosl.org>,
        Todd Kjos <tkjos@android.com>,
        LKML <linux-kernel@vger.kernel.org>,
        =?UTF-8?B?QXJ2ZSBIasO4bm5ldsOlZw==?= <arve@android.com>,
        Martijn Coenen <maco@android.com>,
        Christian Brauner <christian@brauner.io>
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+Alistair Strachan

On Mon, Feb 11, 2019 at 9:11 AM Greg KH <gregkh@linuxfoundation.org> wrote:
>
> On Mon, Feb 11, 2019 at 10:15:18PM +0530, Souptick Joarder wrote:
> > On Mon, Feb 11, 2019 at 9:27 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> > >
> > > On Mon, Feb 11, 2019 at 09:21:19PM +0530, Souptick Joarder wrote:
> > > > On Mon, Feb 11, 2019 at 9:10 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> > > > >
> > > > > On Mon, Feb 11, 2019 at 08:56:02PM +0530, Souptick Joarder wrote:
> > > > > > As mentioned in TODO list, Removed VSOC_WAIT_FOR_INCOMING_INTERRUPT
> > > > > > ioctl. This functionality has been superseded by the futex and is
> > > > > > there for legacy reasons.
> > > > > >
> > > > > > Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
> > > > > > ---
> > > > > >  drivers/staging/android/uapi/vsoc_shm.h | 7 -------
> > > > > >  drivers/staging/android/vsoc.c          | 5 -----
> > > > > >  2 files changed, 12 deletions(-)
> > > > >
> > > > > So userspace is all fixed up now and this ioctl can be dropped?  Any
> > > > > pointers to the userspace commit that did this?
> > > >
> > > > I am not sure about user space part.
> > >
> > > Then we can not just delete the ioctl :)
> >
> > Agree, but where to verify the user space commit ?
> > Any pointer to the source code path ?
>
> Please work with the android developers to solve this.  It should be in
> AOSP "somewhere" :(
>
> good luck,
>
> greg k-h