Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1734253

Re: [PATCH] android: binder: fix type mismatch warning

Show all headers | View raw

On Mon, Sep 18, 2017 at 05:35:03PM +0200, Arnd Bergmann wrote:
> On Mon, Sep 18, 2017 at 4:02 PM, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >> However, there is another problem with the Kconfig option: turning
> >> it on or off creates two incompatible ABI versions, a kernel that
> >> has this enabled cannot run user space that was built without it
> >> or vice versa. A better solution might be to leave the option hidden
> >> until the binder code is fixed to deal with both ABI versions.
> >
> > I don't know if that is ever going to be fixed, as it's not an issue
> > that you will ever see "in the wild" from what I can tell...
> 
> Probably not on a native Android device or even a Chromebook that
> ships a binder user space together with a kernel, but what about
> people using "anbox" or similar projects that allow you to run
> Android apps in a container?

Ugh, that's crazy, binder should not be run that way due to a variety of
issues...  Well, as of 4.14 those issues will be gone, so no one is
doing this yet :)

> It seems like a legitimate use case of the binder modules, but
> now there is a kernel Kconfig option that has to match a user
> space binary.

So, should we revert that?

I don't really know what to suggest here, sorry...

greg k-h

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Re: [PATCH] android: binder: fix type mismatch warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 16:10 +0200
  Re: [PATCH] android: binder: fix type mismatch warning Arnd Bergmann <arnd@arndb.de> - 2017-09-18 17:40 +0200
    Re: [PATCH] android: binder: fix type mismatch warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 18:00 +0200
      Re: [PATCH] android: binder: fix type mismatch warning Christoph Hellwig <hch@infradead.org> - 2017-09-18 18:30 +0200
        Re: [PATCH] android: binder: fix type mismatch warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 18:40 +0200
        Re: [PATCH] android: binder: fix type mismatch warning Arnd Bergmann <arnd@arndb.de> - 2017-09-18 21:50 +0200
          Re: [PATCH] android: binder: fix type mismatch warning Martijn Coenen <maco@android.com> - 2017-09-20 11:10 +0200
            Re: [PATCH] android: binder: fix type mismatch warning Arnd Bergmann <arnd@arndb.de> - 2017-09-20 12:00 +0200
              Re: [PATCH] android: binder: fix type mismatch warning Martijn Coenen <maco@android.com> - 2017-09-20 12:30 +0200
                Re: [PATCH] android: binder: fix type mismatch warning Arnd Bergmann <arnd@arndb.de> - 2017-09-20 15:40 +0200
                Re: [PATCH] android: binder: fix type mismatch warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-21 09:50 +0200
                Re: [PATCH] android: binder: fix type mismatch warning Martijn Coenen <maco@android.com> - 2017-09-22 09:10 +0200
                Re: [PATCH] android: binder: fix type mismatch warning Arnd Bergmann <arnd@arndb.de> - 2017-09-22 11:20 +0200
                Re: [PATCH] android: binder: fix type mismatch warning Martijn Coenen <maco@android.com> - 2017-09-22 14:50 +0200
    Re: [PATCH] android: binder: fix type mismatch warning Christoph Hellwig <hch@infradead.org> - 2017-09-18 18:00 +0200

csiph-web