linux-kernel - Re: [PATCH] binderfs: port to new mount api

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Message-ID: <20200313125654.km6obuwuvv6tlroa@wittgenstein>
Date:   Fri, 13 Mar 2020 13:56:54 +0100
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     ard.biesheuvel@...aro.org, ardb@...nel.org, arve@...roid.com,
        gregkh@...uxfoundation.org, hridya@...gle.com,
        joel@...lfernandes.org, john.stultz@...aro.org,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, maco@...roid.com,
        naresh.kamboju@...aro.org, shuah@...nel.org, tkjos@...roid.com,
        Todd Kjos <tkjos@...gle.com>
Subject: Re: [PATCH] binderfs: port to new mount api

On Fri, Mar 13, 2020 at 01:55:53PM +0100, Christian Brauner wrote:
> On Thu, Mar 12, 2020 at 04:56:11PM -0700, Kees Cook wrote:
> > On Thu, Mar 12, 2020 at 10:24:20PM +0100, Christian Brauner wrote:
> > > It's time we port binderfs to the new mount api. We can make use of the
> > > new option parser, get nicer infrastructure and it will be easiert if we
> > > ever add any new mount options.
> > > 
> > > This survives testing with the binderfs selftests:
> > > 
> > > for i in `seq 1 1000`; do ./binderfs_test; done
> > > 
> > > including the new stress tests I sent out for review today:
> > > 
> > >  [==========] Running 3 tests from 1 test cases.
> > >  [ RUN      ] global.binderfs_stress
> > >  [       OK ] global.binderfs_stress
> > >  [ RUN      ] global.binderfs_test_privileged
> > >  # Tests are not run as root. Skipping privileged tests
> > >  [       OK ] global.binderfs_test_privileged
> > 
> > I would use the XFAIL harness infrastructure for these kinds of skips.
> 
> Hmyeah, will do.

For the selftests I sent out earlier that is.
This patch doesn't touch them. I just ran this patch on top of the
new stress test to show it passes.