linux-kernel - Re: [PATCH 0/5] uio hotplug support

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Message-ID: <20100925003308.GA29910@suse.de>
Date:	Fri, 24 Sep 2010 17:33:08 -0700
From:	Greg KH <gregkh@...e.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	"Hans J. Koch" <hjk@...utronix.de>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/5] uio hotplug support

On Fri, Sep 24, 2010 at 05:05:17PM -0700, Eric W. Biederman wrote:
> "Hans J. Koch" <hjk@...utronix.de> writes:
> 
> > On Fri, Sep 24, 2010 at 10:14:11AM -0700, Eric W. Biederman wrote:
> >> "Hans J. Koch" <hjk@...utronix.de> writes:
> >> 
> >> > On Mon, Sep 20, 2010 at 12:19:59AM -0700, Eric W. Biederman wrote:
> >> >> 
> >> >> Implement the ability to hotunplug a uio device while file handles
> >> >> are still open without crashing.
> >> >
> >> > Could you please create patches that apply on top of your already
> >> > accepted UIO changes?
> >> 
> >> That is what the patches I sent should be.  My apologies if I had not
> >> made that clear.  Certainly these patches were built against my previous
> >> changes, on top of 2.6.36-rc4.  Are you having problems?
> >
> > Hmm, I applied your first series of 5 patches (which I signed-off). When
> > trying to apply your second series, I get this from quilt:
> >
> > Applying patch 2_1-Simplify-the-lifetime-logic-of-struct-uio_device.patch
> > patching file drivers/uio/uio.c
> > Hunk #2 succeeded at 287 (offset 8 lines).
> > Hunk #3 succeeded at 312 (offset 8 lines).
> > Hunk #4 FAILED at 339.
> > Hunk #5 succeeded at 806 (offset 17 lines).
> > Hunk #6 FAILED at 831.
> > Hunk #7 FAILED at 858.
> > Hunk #8 FAILED at 889.
> > 4 out of 8 hunks FAILED -- rejects in file drivers/uio/uio.c
> > Patch 2_1-Simplify-the-lifetime-logic-of-struct-uio_device.patch does not apply (enforce with -f)
> >
> > The first series applied without any fuzz against 2.6.36-rc5.
> 
> I am stumped.  Do you perhaps have some local uio changes?
> 
> Using 2.6.36-rc5 as a base I tried it twice.  Once by taking my patches
> that I sent, and again by saving my email and then applying the changes.
> 
> Both times the changes applied cleanly.  No offsets, and no fuzz.  At
> least that is what git-am said.
> 
> Should I perhaps make a git branch you could pull?

Try it on linux-next, as I've applied your previous patches there
already.

thanks,

greg k-h
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