linux-kernel - Re: [PATCH 2/2] xhci:prevent "callbacks suppressed" when debug is not enabled

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Message-ID: <CACE9dm9_CgTRrBBn8nOfq0=YZPNo1rWraqWq4jccH6cpJpAPPg@mail.gmail.com>
Date:	Fri, 16 Aug 2013 20:42:29 +0300
From:	Dmitry Kasatkin <dmitry.kasatkin@...il.com>
To:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Dmitry Kasatkin <d.kasatkin@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] xhci:prevent "callbacks suppressed" when debug is not enabled

On Fri, Aug 16, 2013 at 8:38 PM, Sarah Sharp
<sarah.a.sharp@...ux.intel.com> wrote:
> On Fri, Aug 16, 2013 at 10:30:35AM -0700, Greg KH wrote:
>> On Fri, Aug 16, 2013 at 10:26:35AM -0700, Sarah Sharp wrote:
>> > On Thu, Aug 15, 2013 at 05:17:16PM -0700, Greg KH wrote:
>> > > On Thu, Aug 15, 2013 at 07:04:55PM +0300, Dmitry Kasatkin wrote:
>> > > > When debug is not enabled and dev_dbg() will expand to nothing,
>> > > > log might be flooded with "callbacks suppressed". If it was not
>> > > > done on purpose, better to use dev_dbg_ratelimited() instead.
>> > > >
>> > > > Signed-off-by: Dmitry Kasatkin <d.kasatkin@...sung.com>
>> > > > ---
>> > > >  drivers/usb/host/xhci-ring.c | 6 ++----
>> > > >  1 file changed, 2 insertions(+), 4 deletions(-)
>> > >
>> > >
>> > > Sarah, does this patch conflict with the trace debug patches being
>> > > worked on?  I'll hold off on applying it for now, let me know if it's ok
>> > > or not.
>> >
>> > It doesn't conflict with the trace debug patches, because those only
>> > effect debugging with xhci_dbg with the host device, not dev_dbg with
>> > the USB device.  This should apply fine to usb-next.
>>
>> Ok, can I get your ack for it so I can apply it?
>
> Dmitry, can you fix the indentation issue and resubmit this?  I'll ack
> it then.
>
> Sarah Sharp

Sure.

Thanks
Dmitry
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