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Groups > linux.kernel > #1392283
| From | Oleg Nesterov <oleg@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: GUP guarantees wrt to userspace mappings redesign |
| Date | 2016-05-02 17:20 +0200 |
| Message-ID | <runNE-5Nz-9@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <rtaIN-1PK-1@gated-at.bofh.it> <rtjCq-LR-13@gated-at.bofh.it> <rujAl-1I4-5@gated-at.bofh.it> <ruk3o-2eU-3@gated-at.bofh.it> <rukZs-3a6-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
I am sure I missed the problem, but... On 05/02, Kirill A. Shutemov wrote: > > Quick look around: > > - I don't see any check page_count() around __replace_page() in uprobes, > so it can easily replace pinned page. Why it should? even if it races with get_user_pages_fast()... this doesn't differ from the case when an application writes to MAP_PRIVATE non-anonymous region, no? Oleg.
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[BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-04-28 18:30 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-04-28 20:20 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-04-28 21:00 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-04-29 01:30 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-04-29 02:50 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-04-29 03:00 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-04-29 04:50 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-04-29 09:10 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-04-29 17:20 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-04-29 18:40 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-04-30 00:40 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 12:50 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Jerome Glisse <j.glisse@gmail.com> - 2016-05-02 13:20 +0200
GUP guarantees wrt to userspace mappings redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 14:20 +0200
Re: GUP guarantees wrt to userspace mappings redesign Jerome Glisse <j.glisse@gmail.com> - 2016-05-02 15:40 +0200
Re: GUP guarantees wrt to userspace mappings "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 17:10 +0200
Re: GUP guarantees wrt to userspace mappings Jerome Glisse <j.glisse@gmail.com> - 2016-05-02 17:30 +0200
Re: GUP guarantees wrt to userspace mappings "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 18:20 +0200
Re: GUP guarantees wrt to userspace mappings Andrea Arcangeli <aarcange@redhat.com> - 2016-05-02 21:20 +0200
Re: GUP guarantees wrt to userspace mappings Andrea Arcangeli <aarcange@redhat.com> - 2016-05-02 21:20 +0200
Re: GUP guarantees wrt to userspace mappings Andrea Arcangeli <aarcange@redhat.com> - 2016-05-02 21:10 +0200
Re: GUP guarantees wrt to userspace mappings redesign Oleg Nesterov <oleg@redhat.com> - 2016-05-02 17:20 +0200
Re: GUP guarantees wrt to userspace mappings redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 18:30 +0200
Re: GUP guarantees wrt to userspace mappings redesign Oleg Nesterov <oleg@redhat.com> - 2016-05-02 19:30 +0200
Re: GUP guarantees wrt to userspace mappings redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 20:10 +0200
Re: GUP guarantees wrt to userspace mappings redesign Oleg Nesterov <oleg@redhat.com> - 2016-05-02 20:50 +0200
Re: GUP guarantees wrt to userspace mappings redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-05-02 21:00 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-05-02 17:30 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-02 18:10 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-05-02 20:10 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Alex Williamson <alex.williamson@redhat.com> - 2016-05-05 03:20 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-05-05 16:40 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-05-05 17:10 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-05 17:20 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign Andrea Arcangeli <aarcange@redhat.com> - 2016-05-05 17:30 +0200
Re: [BUG] vfio device assignment regression with THP ref counting redesign "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-05-06 09:30 +0200
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