linux-kernel - Re: [PATCH 04/11] Blackfin SPORT UART: fix overrun errors

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Date:	Wed, 3 Jun 2009 05:47:36 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Cliff Cai <cliff.cai@...log.com>,
	Bryan Wu <cooloney@...nel.org>
Subject: Re: [PATCH 04/11] Blackfin SPORT UART: fix overrun errors

On Wed, Jun 3, 2009 at 04:53, Alan Cox wrote:
>> > This should have no effect on a modern kernel.
>>
>> well, we wouldnt be making changes if we werent seeing data overruns today
>
> If it has an effect then something else is going on.
>>
>> > There is 64K of queueing between you and the ldisc nowdays.
>>
>> i dont think that really matters ... we do too much work in the
>> interrupt and so we miss new data
>
> Which the other patches addressed so my guess is the real fixes were the
> other changes.

pfft, always got to make us do real work :)

since the serial stuff is in a bit of orphaned state (going by
MAINTAINERS), should i merge the other changes through the Blackfin
tree ?
-mike
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