linux-kernel - Re: No sysfs directory for openvswitch module when built-in

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Message-ID: <20130205191554.GA7573@blp.benpfaff.org>
Date:	Tue, 5 Feb 2013 11:15:54 -0800
From:	Ben Pfaff <blp@...stanford.edu>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	Stephen Hemminger <stephen@...workplumber.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Jesse Gross <jesse@...ira.com>,
	"David S. Miller" <davem@...emloft.net>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: No sysfs directory for openvswitch module when built-in

On Tue, Feb 05, 2013 at 06:49:45PM +0800, Cong Wang wrote:
> On Tue, Feb 5, 2013 at 2:08 PM, Ben Pfaff <blp@...stanford.edu> wrote:
> > Stephen Hemminger <stephen@...workplumber.org> writes:
> >
> >> On Tue, 29 Jan 2013 22:15:18 +0800
> >> Cong Wang <xiyou.wangcong@...il.com> wrote:
> >>
> >>> Hello, Rusty, Jesse,
> >>>
> >>> I met an interesting problem when I compile openvswitch module as a
> >>> built-in (actually I compile ALL kernel modules as built-in), there is
> >>> no /sys/module/openvswitch/ directory created by the kernel in this
> >>> case.
> >>>
> >>> What's worse, the user-space init script thinks openvswitch module is
> >>> not loaded by checking the exist of this directory, therefore refuses
> >>> to start.
> >>
> >> Shouldn't the OVS init script be testing for some other API.
> >
> > I agree that's a bug in the OVS init script.  I will fix it.
> 
> Thanks for taking care of it, Ben!

I posted a patch to ovs-dev for review:
        http://openvswitch.org/pipermail/dev/2013-February/025128.html
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