Re: [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try2)

[Benjamin Herrenschmidt]

> Fix threaded user page write memory ordering
> 
> Make sure we order the writes to a newly created page
> with the page table update that potentially exposes the
> page to another CPU.
> 
> This is a no-op on any architecture where getting the
> page table spinlock will already do the ordering (notably
> x86), but other architectures can care.


Ah yes, the clear_* ones I knew about as I'm the one who tracked down
that bug on power :-) I though the ones Nick pointed out were different
tho.

Ben.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/