From: Greg KH <greg@kroah.com>
To: "MRU.Ilya" <utdilya@mail.ru>
Cc: stable@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: BUG: pty.c in linux 2.6.31-rc5+
Date: Thu, 4 Aug 2011 07:36:42 -0700 [thread overview]
Message-ID: <20110804143642.GB18468@kroah.com> (raw)
In-Reply-To: <4E3A3F87.3050204@mail.ru>
On Thu, Aug 04, 2011 at 10:43:19AM +0400, MRU.Ilya wrote:
> Synchronic's line disciplines(ppp_synctty, hdlc) can't work with
> pseudo terminals.
>
> If frames send very fast from one side(master/slave) to other one,
> frames merge in one (merge point "flip buffer") and the other side
> can read only one big frame.
> But sync line discipline need one frame in one read.
>
> For push one frame to ldisc I propose small patch, but this regression for
> commit e043e42bdb66885b3ac10d27a01ccb9972e2b0a3.
>
> I don't find any mutexes and other things forbidden in not user context,
> in function flush_to_ldisc() , and I think this patch
> is true and this function can called from any context. But I not sure.
>
> Relative commit 86d23a057e718f73adc15e463c643d6e014a19cd.
I don't see a patch here.
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read Documentation/stable_kernel_rules.txt
for how to do this properly.
</formletter>
next prev parent reply other threads:[~2011-08-04 14:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-04 6:43 MRU.Ilya
2011-08-04 14:36 ` Greg KH [this message]
2011-08-04 18:56 ` Alan Cox
2011-08-04 6:46 MRU.Ilya
2011-08-04 14:37 ` Greg KH
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