Re: [PATCH 1/4] mm_notifiers: Rename invalidate_range notifier

From: Andrew Morton
Date: Tue Jul 18 2023 - 14:36:26 EST


On Tue, 18 Jul 2023 14:57:12 -0300 Jason Gunthorpe <jgg@xxxxxxxx> wrote:

> On Tue, Jul 18, 2023 at 05:56:15PM +1000, Alistair Popple wrote:
> > diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
> > index b466172..48c81b9 100644
> > --- a/include/asm-generic/tlb.h
> > +++ b/include/asm-generic/tlb.h
> > @@ -456,7 +456,7 @@ static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
> > return;
> >
> > tlb_flush(tlb);
> > - mmu_notifier_invalidate_range(tlb->mm, tlb->start, tlb->end);
> > + mmu_notifier_invalidate_secondary_tlbs(tlb->mm, tlb->start, tlb->end);
> > __tlb_reset_range(tlb);
>
> Does this compile? I don't see
> "mmu_notifier_invalidate_secondary_tlbs" ?

Seems this call gets deleted later in the series.

> But I think the approach in this series looks fine, it is so much
> cleaner after we remove all the cruft in patch 4, just look at the
> diffstat..

I'll push this into -next if it compiles OK for me, but yes, a redo is
desirable please.