Re: [PATCH v1 1/1] spinlock: Fix failing build for PREEMPT_RT

From: Leonardo Bras
Date: Mon Jan 15 2024 - 23:02:26 EST


On Mon, Jan 15, 2024 at 04:54:14PM -0500, Kent Overstreet wrote:
> On Mon, Jan 15, 2024 at 05:19:34PM -0300, Leonardo Bras wrote:
> > Since 1d71b30e1f85 ("sched.h: Move (spin|rwlock)_needbreak() to
> > spinlock.h") build fails for PREEMPT_RT, since there is no definition
> > available of either spin_needbreak() and rwlock_needbreak().
> >
> > Since it was moved on the mentioned commit, it was placed inside a
> > !PREEMPT_RT part of the code, making it out of reach for an RT kernel.
> >
> > Fix this by moving code it a few lines down so it can be reached by an
> > RT build, where it can also make use of the *_is_contended() definition
> > added by the spinlock_rt.h.
> >
> > Fixes: d1d71b30e1f85 ("sched.h: Move (spin|rwlock)_needbreak() to
> > spinlock.h")
> > Signed-off-by: Leonardo Bras <leobras@xxxxxxxxxx>
>
> I've picked this up - thanks!
>

Awesome! Thanks!

Leo