Re: [patch 00/20] posix-timers: Fixes and cleanups

Frederic Weisbecker
2023-06-05T14:32:26Z

Le Tue, Apr 25, 2023 at 08:48:55PM +0200, Thomas Gleixner a écrit :
> Hi!
>
> A recent syzcaller/KCSAN report about a data race and an actually broken
> loop termination due to that race made me look deeper into the posix timer
> code.
>
> Aside of the loop termination issue this unearthed another issue in the
> exit() path where timer deletion might livelock on RT enabled kernels.
>
> While going through the code with a fine comb, I stumbled over another
> place which needs READ/WRITE_ONCE() annotations, tons of outdated and/or
> uncomprehensible comments and a bunch of silly code.
>
> The series has therefore a larger set of cleanups on top of the two fixes.
>
> It is based on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
>
> and also availble from git:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git timers/posix
>
> Thanks,
>
> tglx

Thanks for this extremely useful series!