From: Alan Cox <alan@linux.intel.com>
Date: Tue, 7 Jul 2009 15:39:41 +0000 (+0100)
Subject: pty: Rework the pty layer to use the normal buffering logic
X-Git-Tag: v2.6.31-rc3~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d945cb9cce20ac7143c2de8d88b187f62db99bdc;p=pandora-kernel.git

pty: Rework the pty layer to use the normal buffering logic

This fixes the ppp problems and various other issues with call locking
caused by one side of a pty called in one locking context trying to match
another with differing rules on the other side. We also get a big slack
space to work with that means we can bury the flow control deadlock case
for any conceivable real world situation.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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