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SubjectRe: [PATCH]: uClinux (MMU-less) patches against 2.5.28
Date said:
> It doesn't work with an MMU either. Consider O_DIRECT file writing
> from such a page


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?


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