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Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page() v3

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On Tue, Aug 29, 2017 at 03:05:26PM -0400, Jérôme Glisse wrote:
> Some MMU notifier need to be able to sleep during callback. This was
> broken by c7ab0d2fdc84 ("mm: convert try_to_unmap_one() to use
> page_vma_mapped_walk()").
> 
> This patch restore the sleep ability and properly capture the range of
> address that needs to be invalidated.
> 
> Relevent threads:
> https://lkml.kernel.org/r/20170809204333.27485-1-jglisse@redhat.com
> https://lkml.kernel.org/r/20170804134928.l4klfcnqatni7vsc@black.fi.intel.com
> https://marc.info/?l=kvm&m=150327081325160&w=2

Note that i haven't yet tested this patch i just wanted to put it
out there. I am gonna run some test over new few days an report.
Anyone else is welcome to test it too.

Cheers,
Jérôme

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[RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page() v3 Jérôme Glisse <jglisse@redhat.com> - 2017-08-29 21:10 +0200
  Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page()  v3 Jerome Glisse <jglisse@redhat.com> - 2017-08-29 21:10 +0200
  Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page() v3 Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 21:20 +0200
    Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page() v3 Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 21:20 +0200
      Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page() v3 Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 22:00 +0200
        Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page()  v3 Jerome Glisse <jglisse@redhat.com> - 2017-08-29 22:20 +0200
    Re: [RFC PATCH] mm/rmap: do not call mmu_notifier_invalidate_page()  v3 Jerome Glisse <jglisse@redhat.com> - 2017-08-29 21:20 +0200

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