Re: [patch 0/5] lightweight robust futexes: -V1

From: Daniel Walker
Date: Thu Feb 16 2006 - 10:41:43 EST


On Wed, 2006-02-15 at 22:31 +0100, Ingo Molnar wrote:
> * Daniel Walker <dwalker@xxxxxxxxxx> wrote:
>
> > >This patchset provides a new (written from scratch) implementation of
> > >robust futexes, called "lightweight robust futexes". We believe this new
> > >implementation is faster and simpler than the vma-based robust futex
> > >solutions presented before, and we'd like this patchset to be adopted in
> > >the upstream kernel. This is version 1 of the patchset.
> >
> > Next point of discussion must be PI. [...]
>
> robustness is an orthogonal feature to Priority Inheritance. In fact it
> was requested before on lkml to separate robustness support from PI
> support, and the vma-based robust futex patches now do precisely that -
> they dont offer PI. So no, PI does not play here, it's a separate thing.

I was more interested in knowing if you considered it in the design.

Daniel

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