linux-kernel - Re: [PATCH] Revert "tty: Fix pty master poll() after slave closes v2"

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Date:	Tue, 30 Dec 2014 07:31:06 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Jiri Slaby <jslaby@...e.cz>, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Francesco Ruggeri <fruggeri@...stanetworks.com>,
	Francesco Ruggeri <fruggeri@...sta.com>
Subject: Re: [PATCH] Revert "tty: Fix pty master poll() after slave closes
 v2"

On 12/30/2014 07:17 AM, Peter Hurley wrote:
> This reverts commit c4dc304677e8d566572c4738d95c48be150c6606.
> This fix is superseded by commit 52bce7f8d4fc633c9a9d0646eef58ba6ae9a3b73,
> 'pty, n_tty: Simplify input processing on final close'.
> 
> The final close now waits for input processing to complete before
> destroying the pty, so poll() does not need to special case this
> condition.

Greg,

As noted in this commit log, commit c4dc304677e8d566572c4738d95c48be150c6606,
'tty: Fix pty master poll() after slave closes v2', is not required
after commit 52bce7f8d4fc633c9a9d0646eef58ba6ae9a3b73,
'pty, n_tty: Simplify input processing on final close'

However, 'tty: Fix pty master poll() after slave closes v2' is appropriate
for stable back to v3.12.

Regards,
Peter Hurley
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