Messages in this thread | | | Date | Sun, 15 Oct 2000 08:01:14 -0400 (EDT) | From | Ingo Molnar <> | Subject | Re: [RFC] atomic pte updates and pae changes, take 2 |
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On Sat, 14 Oct 2000, Stephen Tweedie wrote:
> Looks good. The only trouble I can see left is that pte_clear() is > still using set_pte(), which doesn't work right for PAE36. set_pte() > is setting the high word first, which is fine for installing a new > pte, but if you do that to clear a pte then you have left the old > page-present bit intact while you've removed have of the pte. > pte_clear() needs to clear the words in the other order (just as > pte_get_and_clear correctly does).
yep, that should make it work. The pgd operations must use 64-bit instructions - the pmds are fine to be 64-bit for the time being, but they can be changed to the pte logic as well.
Ingo
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