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

[Greg Kroah-Hartman]

On Fri, Jan 09, 2015 at 05:00:55PM -0500, Peter Hurley wrote:
> On 01/09/2015 04:41 PM, Greg Kroah-Hartman wrote:
> > On Tue, Dec 30, 2014 at 07:31:06AM -0500, Peter Hurley wrote:
> >> 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 This fix is superseded by commit 52bce7f8d4fc633c9a9d0646eef58ba6ae9a3b73,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.
> > 
> > I don't understand, what needs to go to a stable tree and what doesn't?
> 
> Commit c4dc304677e8d5665 ("tty: Fix pty master poll() after slave closes v2")
> goes to stable v3.12~v3.18, but not 3.19-rc1+

It can't go into 3.18, as it already is in that kernel release :)

I've queued it up for 3.14 now, thanks.

greg k-h
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