Messages in this thread | | | Date | Fri, 8 Jan 2021 18:39:43 -0500 | From | Andrea Arcangeli <> | Subject | Re: [PATCH] x86/vm86/32: Remove VM86_SCREEN_BITMAP support |
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On Fri, Jan 08, 2021 at 10:55:05AM -0800, Andy Lutomirski wrote: > The implementation was rather buggy. It unconditionally marked PTEs > released the mmap lock before flushing the TLB, which could allow a racing > CoW operation to falsely believe that the underlying memory was not > writable. > > I can't find any users at all of this mechanism, so just remove it.
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
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