Messages in this thread | | | From | David Woodhouse <> | Subject | Re: [PATCH]: uClinux (MMU-less) patches against 2.5.28 | Date | Fri, 26 Jul 2002 10:39:48 +0100 |
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alan@lxorguk.ukuu.org.uk said: > It doesn't work with an MMU either. Consider O_DIRECT file writing > from such a page
Hmmm.
O_DIRECT writing of data from an XIP-mapped page to a file on the same chip ain't ever going to work. Writing to something elsewhere should be fine -- if a page is locked when the chip driver wants to go talk to the chip, the chip driver has to wait for that page to become unlocked. No?
-- dwmw2
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