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SubjectRe: [PATCH] Revert "MIPS: Remove race window in page fault handling"
Lars,

normally set_pte_at() is invoked in a

cache_flush_*()
set_pte_at()
tlb_flush_*()

sequence. So I'm wondering if you're trying to fix something in set_pte_at
that actually ought to be fixed in the cache_flush_*() function.

I'm wondering, have you identified which cache flush function in particular
was used in the sequence in your particular bug's case?

Ralf


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