Re: Problems with timerfd()

Andrew Morton
2007-07-25T22:18:17Z

On Wed, 25 Jul 2007 20:18:51 +0200
Michael Kerrisk <mtk-manpages@gmx.net> wrote:

> Andrew,
>
> Andrew Morton wrote:
> > On Mon, 23 Jul 2007 08:32:29 +0200 Michael Kerrisk <mtk-manpages@gmx.net> wrote:
> >
> >> Andrew,
> >>
> >> The timerfd() syscall went into 2.6.22. While writing the man page for
> >> this syscall I've found some notable limitations of the interface, and I am
> >> wondering whether you and Linus would consider having this interface fixed
> >> for 2.6.23.
> >>
> >> On the one hand, these fixes would be an ABI change, which is of course
> >> bad. (However, as noted below, you have already accepted one of the ABI
> >> changes that I suggested into -mm, after Davide submitted a patch.)
> >>
> >> On the other hand, the interface has not yet made its way into a glibc
> >> release, and the change will not break applications. (The 2.6.22 version
> >> of the interface would just be "broken".)
> >
> > I think if the need is sufficient we can do this: fix it in 2.6.23 and in
> > 2.6.22.x. That means that there will be a few broken-on-new-glibc kernels
> > out in the wild, but very few I suspect.
>
> So I'm still not quite clear. Can I take it from your statement above that
> the proposed ABI changes would be admissible, as long as Davide is okay
> with them?
>

yup, I'll send that diff into Linus and -stable and see what happens.