fault vs invalidate race (Re: -mm merge plans for 2.6.23)

[Nick Piggin]

Andrew Morton wrote:

> mm-fix-fault-vs-invalidate-race-for-linear-mappings.patch
> mm-merge-populate-and-nopage-into-fault-fixes-nonlinear.patch
> mm-merge-nopfn-into-fault.patch
> convert-hugetlbfs-to-use-vm_ops-fault.patch
> mm-remove-legacy-cruft.patch
> mm-debug-check-for-the-fault-vs-invalidate-race.patch
> mm-fix-clear_page_dirty_for_io-vs-fault-race.patch
> invalidate_mapping_pages-add-cond_resched.patch
> ocfs2-release-page-lock-before-calling-page_mkwrite.patch
> document-page_mkwrite-locking.patch
>
>  The fault-vs-invalidate race fix.  I have belatedly learned that these need
>  more work, so their state is uncertain.

The more work may turn out being too much for you (although it is nothing
exactly tricky that would introduce subtle bugs, it is a fair amont of churn).

However, in that case we can still merge these two:

mm-fix-fault-vs-invalidate-race-for-linear-mappings.patch
mm-fix-clear_page_dirty_for_io-vs-fault-race.patch

Which fix real bugs that need fixing (and will at least help to get some of
my patches off your hands).

--
SUSE Labs, Novell Inc.
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