Messages in this thread | | | Date | Mon, 26 May 2003 08:36:34 +0300 | From | Mika Penttilä <> | Subject | Re: [patch] cache flush bug in mm/filemap.c (all kernels >= 2.5.30(at least)) |
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ah, ok. so there are cache issues even if if the user pte is not established yet? Then it seems natural to couple flush_dcache_page with pte establishing, not at the driver level.
--Mika
David S. Miller wrote:
> From: **UNKNOWN CHARSET** <mika.penttila@kolumbus.fi> > Date: Mon, 26 May 2003 08:07:10 +0300 > > I don't think the flush_dcache_page thing is done almost anywhere in the > block/driver level right now. > >It isn't and it shouldn't :-) > > And we shouldn't be doing io reads to pagecache pages with user > mappings anyway normally. direct-io is a different thing. > >We are talking about the case where we are bringing in the >data for the first time, on the page cache lookup miss. > > >
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