linux-kernel - Re: [PATCH v4 00/24] lockless n

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Message-ID: <51BF724A.505@hurleysoftware.com>
Date:	Mon, 17 Jun 2013 16:32:10 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: [PATCH v4 00/24] lockless n_tty receive path

On 06/17/2013 04:01 PM, Greg Kroah-Hartman wrote:
> On Sat, Jun 15, 2013 at 09:14:12AM -0400, Peter Hurley wrote:
>> Greg,
>>
>> As before, this patchset is dependent on the 'ldsem patchset'.
>> The reason is that this series abandons tty->receive_room as
>> a flow control mechanism (because that requires locking),
>> and the TIOCSETD ioctl _without ldsem_ uses tty->receive_room
>> to shutoff i/o.
>>
>> It is also dependent on 'n_tty fixes' which I recently resent
>> to you.
>
> Thanks for rebasing all of this, and resending it.  It's late in the
> 3.11 development cycle, so I'm going to wait unto 3.11-rc1 is out to
> queue it up for 3.12, to get it lots of testing in linux-next.

Thanks Greg. I actually meant to suggest these be held until after
the merge window but I got distracted by the VT1 deallocation bug
report.

Regards,
Peter Hurley
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