Re: [RFC][PATCH 5/7] irq_work, smp: Allow irq_work on call_single_queue

From: Frederic Weisbecker
Date: Wed Jun 10 2020 - 09:24:07 EST


On Fri, Jun 05, 2020 at 11:37:04AM +0200, Peter Zijlstra wrote:
> On Fri, May 29, 2020 at 03:36:41PM +0200, Peter Zijlstra wrote:
> > Maybe I can anonymous-union my way around it, dunno. I'll think about
> > it. I'm certainly not proud of this. But at least the BUILD_BUG_ON()s
> > should catch the more blatant breakage here.
>
> How's this then? Differently ugly, but at least it compiles with that
> horrible struct randomization junk enabled.
>
> ---
> include/linux/irq_work.h | 28 ++++++-------------
> include/linux/sched.h | 4 +-
> include/linux/smp.h | 25 ++++++-----------
> include/linux/smp_types.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++
> kernel/sched/core.c | 6 ++--
> kernel/smp.c | 18 ------------
> 6 files changed, 89 insertions(+), 58 deletions(-)


Looks good. I don't have a better idea.

Thanks!

Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>