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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hridya Valsaraju <hridya@google.com>
Cc: "Arve Hjønnevåg" <arve@android.com>,
	"Todd Kjos" <tkjos@android.com>,
	"Martijn Coenen" <maco@android.com>,
	"Joel Fernandes" <joel@joelfernandes.org>,
	"Christian Brauner" <christian@brauner.io>,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
	kernel-team@android.com,
	"Christian Brauner" <christian.brauner@ubuntu.com>
Subject: Re: [PATCH v3 1/2] binder: Add default binder devices through binderfs when configured
Date: Fri, 9 Aug 2019 16:50:16 +0200	[thread overview]
Message-ID: <20190809145016.GB16262@kroah.com> (raw)
In-Reply-To: <20190808222727.132744-2-hridya@google.com>

On Thu, Aug 08, 2019 at 03:27:25PM -0700, Hridya Valsaraju wrote:
> Currently, since each binderfs instance needs its own
> private binder devices, every time a binderfs instance is
> mounted, all the default binder devices need to be created
> via the BINDER_CTL_ADD IOCTL.

Wasn't that a design goal of binderfs?

> This patch aims to
> add a solution to automatically create the default binder
> devices for each binderfs instance that gets mounted.
> To achieve this goal, when CONFIG_ANDROID_BINDERFS is set,
> the default binder devices specified by CONFIG_ANDROID_BINDER_DEVICES
> are created in each binderfs instance instead of global devices
> being created by the binder driver.

This is going to change how things work today, what is going to break
because of this change?

I don't object to this, except for the worry of changing the default
behavior.

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: gregkh@linuxfoundation.org (Greg Kroah-Hartman)
Subject: [PATCH v3 1/2] binder: Add default binder devices through binderfs when configured
Date: Fri, 9 Aug 2019 16:50:16 +0200	[thread overview]
Message-ID: <20190809145016.GB16262@kroah.com> (raw)
In-Reply-To: <20190808222727.132744-2-hridya@google.com>

On Thu, Aug 08, 2019@03:27:25PM -0700, Hridya Valsaraju wrote:
> Currently, since each binderfs instance needs its own
> private binder devices, every time a binderfs instance is
> mounted, all the default binder devices need to be created
> via the BINDER_CTL_ADD IOCTL.

Wasn't that a design goal of binderfs?

> This patch aims to
> add a solution to automatically create the default binder
> devices for each binderfs instance that gets mounted.
> To achieve this goal, when CONFIG_ANDROID_BINDERFS is set,
> the default binder devices specified by CONFIG_ANDROID_BINDER_DEVICES
> are created in each binderfs instance instead of global devices
> being created by the binder driver.

This is going to change how things work today, what is going to break
because of this change?

I don't object to this, except for the worry of changing the default
behavior.

thanks,

greg k-h

  reply	other threads:[~2019-08-09 14:50 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-08 22:27 [PATCH v3 0/2] Add default binderfs devices Hridya Valsaraju
2019-08-08 22:27 ` Hridya Valsaraju
2019-08-08 22:27 ` [PATCH v3 1/2] binder: Add default binder devices through binderfs when configured Hridya Valsaraju
2019-08-08 22:27   ` Hridya Valsaraju
2019-08-09 14:50   ` Greg Kroah-Hartman [this message]
2019-08-09 14:50     ` Greg Kroah-Hartman
2019-08-09 18:22     ` Christian Brauner
2019-08-09 18:22       ` Christian Brauner
2019-08-09 20:08       ` Hridya Valsaraju
2019-08-09 20:08         ` Hridya Valsaraju
2019-08-15 16:28   ` Joel Fernandes
2019-08-15 16:28     ` Joel Fernandes
2019-08-15 16:30   ` Joel Fernandes
2019-08-15 16:30     ` Joel Fernandes
2019-08-08 22:27 ` [PATCH v3 2/2] binder: Validate the default binderfs device names Hridya Valsaraju
2019-08-08 22:27   ` Hridya Valsaraju
2019-08-09 14:51   ` Greg Kroah-Hartman
2019-08-09 14:51     ` Greg Kroah-Hartman
2019-08-09 14:55   ` Greg Kroah-Hartman
2019-08-09 14:55     ` Greg Kroah-Hartman
2019-08-09 18:14     ` Christian Brauner
2019-08-09 18:14       ` Christian Brauner
2019-08-09 18:41       ` Hridya Valsaraju
2019-08-09 18:41         ` Hridya Valsaraju
2019-09-04  7:19         ` Greg Kroah-Hartman
2019-09-04  7:19           ` Greg Kroah-Hartman
2019-09-04 10:44           ` Christian Brauner
2019-09-04 10:44             ` Christian Brauner
2019-09-04 10:49             ` Greg Kroah-Hartman
2019-09-04 10:49               ` Greg Kroah-Hartman
2019-09-04 11:07               ` Christian Brauner
2019-09-04 11:07                 ` Christian Brauner
2019-08-15 16:31   ` Joel Fernandes
2019-08-15 16:31     ` Joel Fernandes
2019-08-15 16:00 ` [PATCH v3 0/2] Add default binderfs devices Greg Kroah-Hartman
2019-08-15 16:00   ` Greg Kroah-Hartman
2019-09-04 11:07 ` [RESEND PATCH " Christian Brauner
2019-09-04 11:07   ` Christian Brauner
2019-09-04 11:07   ` [RESEND PATCH v3 1/2] binder: Add default binder devices through binderfs when configured Christian Brauner
2019-09-04 11:07     ` Christian Brauner
2019-09-04 11:07   ` [RESEND PATCH v3 2/2] binder: Validate the default binderfs device names Christian Brauner
2019-09-04 11:07     ` Christian Brauner
2019-09-04 11:18   ` [RESEND PATCH v3 0/2] Add default binderfs devices Greg KH
2019-09-04 11:18     ` Greg KH

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