Re: [GIT PULL tip/core/rcu+preempt] Fix RT raw/non-raw lock ordering

From: Paul E. McKenney
Date: Fri Oct 09 2020 - 13:13:16 EST


On Fri, Oct 09, 2020 at 06:55:00PM +0200, Ingo Molnar wrote:
>
> * Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:
>
> > Hello!
> >
> > This pull request contains Thomas Gleixner's "Make preempt count
> > unconditional" series [1], but with the addition of a kvfree_rcu() bug-fix
> > commit making use of this PREEMPT_COUNT addition. This series reduces
> > the size of the kernel by almost 100 lines of code and is intended for
> > the upcoming v5.10 merge window.
>
> > Thomas Gleixner (13):
> > lib/debug: Remove pointless ARCH_NO_PREEMPT dependencies
> > preempt: Make preempt count unconditional
> > preempt: Cleanup PREEMPT_COUNT leftovers
> > lockdep: Cleanup PREEMPT_COUNT leftovers
> > mm/pagemap: Cleanup PREEMPT_COUNT leftovers
> > locking/bitspinlock: Cleanup PREEMPT_COUNT leftovers
> > uaccess: Cleanup PREEMPT_COUNT leftovers
> > sched: Cleanup PREEMPT_COUNT leftovers
> > ARM: Cleanup PREEMPT_COUNT leftovers
> > xtensa: Cleanup PREEMPT_COUNT leftovers
> > drm/i915: Cleanup PREEMPT_COUNT leftovers
> > rcutorture: Cleanup PREEMPT_COUNT leftovers
> > preempt: Remove PREEMPT_COUNT from Kconfig
> >
> > Uladzislau Rezki (Sony) (1):
> > rcu/tree: Allocate a page when caller is preemptible
> >
> > kernel test robot (1):
> > kvfree_rcu(): Fix ifnullfree.cocci warnings
>
> > 21 files changed, 44 insertions(+), 136 deletions(-)
>
> Pulled into tip:core/rcu, thanks a lot guys!

Thank you, Ingo!!!

Thanx, Paul