Re: [PATCH 0/7] 3.8-rc regression with pps-ldisc due to 70ece7a731

From: Greg KH
Date: Fri Feb 08 2013 - 18:37:14 EST


On Fri, Feb 08, 2013 at 02:05:40AM -0500, George Spelvin wrote:
> The standard N_TTY line discipline used to not use the tty->disc_data
> field, so N_PPS felt free to use it. That has now changed, requiring
> that N_PPS use a different method to find its private data.
>
> (In the current, buggy, state, N_PPS follows a wild pointer and explodes
> in an interrupt hander as soon as a pulse actually arrives.)
>
> Strictly speaking, only patches 5 and 6 are the bugfix proper; the
> rest are various cleanups enabled by the looser coupling of the
> line disciplines.

As this is a breakage in 3.8-rc1, is there any way to pull out patches 5
and 6 in a format that I can apply them now, or in a way that I can get
them into 3.8.1 so that this gets fixed? I can't apply all of these to
3.8-final now, as it's way too late.

thanks,

greg k-h
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