linux-kernel - Re: [linux-usb-devel] [PATCH] bug removing ehci-hcd

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Message-ID: <a781481a0706062314v7696ca06p47e279e626403529@mail.gmail.com>
Date:	Thu, 7 Jun 2007 11:44:02 +0530
From:	"Satyam Sharma" <satyam.sharma@...il.com>
To:	"Greg KH" <greg@...ah.com>
Cc:	Stuart_Hayes@...l.com, akpm@...ux-foundation.org,
	malattia@...ux.it, gregkh@...e.de, linux-kernel@...r.kernel.org,
	dbrownell@...rs.sourceforge.net,
	linux-usb-devel@...ts.sourceforge.net
Subject: Re: [linux-usb-devel] [PATCH] bug removing ehci-hcd

On 6/7/07, Satyam Sharma <satyam.sharma@...il.com> wrote:
> Hi,
>
> I remember this one ...
>
> On 6/7/07, Greg KH <greg@...ah.com> wrote:
> > On Thu, May 31, 2007 at 10:26:10AM -0500, Stuart_Hayes@...l.com wrote:
> > >
> > > I wasn't actually able to reproduce the bug myself, but I guess it is
> > > pretty obvious that I shouldn't have called cpufreq_unregister_notifier
> > > with a spinlock held.  I haven't been doing this long enough to know
> > > exactly which kernel this patch should be against, so let me know if
> > > this ins't good.  Thanks!
> > >
> > >
> > > This patch (for the 2.6.21.3 kernel plus previously sent cpufreq
> > > notifier patch) fixes a bug caused by calling
> > > cpufreq_unregister_notifier (which can sleep) while holding a spinlock.
> > >
> > > Signed-off-by: Stuart Hayes <stuart_hayes@...l.com>
> >
> > Hm, this doesn't apply to the 2.6.21.3 kernel.
>
> The cpufreq patches only live in -mm as of now ...

Argh, excuse the noise!

> > Can you send both patches merged together?
> >
> > And is the fix already in Linus's tree?

And you clearly meant gregkh-usb-usb-ehci-cpufreq-fix.patch
here ... (btw, no, I don't see this in the latest git)

Satyam
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