Messages in this thread | | | Subject | Re: [PATCH -tip 0/2] futex: Fault/error injection capabilities | From | Davidlohr Bueso <> | Date | Mon, 13 Jul 2015 02:41:50 -0700 |
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Ingo, any thoughts about this?
Thanks.
On Mon, 2015-06-29 at 23:26 -0700, Davidlohr Bueso wrote: > Hello, > > I've been wanting this for a while to improve overall futex > testing. I must say that I checked rather late when I was > nearly finished with patch 2 if something similar for futexes > had already been proposed. Sure enough, in 2009 this was discussed[1]. > > Coincidently, I also took the natural approach of making use of > our fault-injection machinery. I have no idea if perf nowadays does > such things, and if it does not, I honestly don't have the bandwidth > to do it Ingo's preferred way -- when there is nothing wrong with > this approach, imho (0 overhead). Anyway, here's a working patch. > > Patch 1 is merely a trivial add-on. > > [1]: https://lwn.net/Articles/364742/ > > Thanks! > > Davidlohr Bueso (2): > futex: Enhance comments in futex_lock_pi() for blocking paths > futex: Fault/error injection capabilities > > Documentation/fault-injection/fault-injection.txt | 11 +++ > kernel/futex.c | 100 +++++++++++++++++++++- > lib/Kconfig.debug | 7 ++ > 3 files changed, 114 insertions(+), 4 deletions(-) >
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