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

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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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Alan Cox 2009-07-07 16:39:41 +01:00 • committed by Linus Torvalds

parent b4b21cac88

commit d945cb9cce

1 changed files with 59 additions and 95 deletions

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154

drivers/char/pty.c

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