Messages in this thread | | | Date | Tue, 18 Oct 2022 08:18:46 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH RFC v2 rcu 2/8] srcu: Create an srcu_read_lock_nmisafe() and srcu_read_unlock_nmisafe() |
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On Tue, Oct 18, 2022 at 04:37:01PM +0206, John Ogness wrote: > Hi Paul, > > Sorry for the late response here. I am now trying to actually use this > series. > > On 2022-09-29, "Paul E. McKenney" <paulmck@kernel.org> wrote: > > diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig > > index d471d22a5e21..f53ad63b2bc6 100644 > > --- a/kernel/rcu/Kconfig > > +++ b/kernel/rcu/Kconfig > > @@ -72,6 +72,9 @@ config TREE_SRCU > > help > > This option selects the full-fledged version of SRCU. > > > > You are missing a: > > +config ARCH_HAS_NMI_SAFE_THIS_CPU_OPS > + bool > + > > Otherwise there is no CONFIG_ARCH_HAS_NMI_SAFE_THIS_CPU_OPS, so for > example CONFIG_NEED_SRCU_NMI_SAFE always ends up with y on X86.
Good catch, thank you! Pulling this in with attribution.
Thanx, Paul
> > +config NEED_SRCU_NMI_SAFE > > + def_bool HAVE_NMI && !ARCH_HAS_NMI_SAFE_THIS_CPU_OPS && !TINY_SRCU > > + > > John
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