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authorKumar Gala <galak@kernel.crashing.org>2009-02-10 10:57:46 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-02-11 16:07:02 +1100
commitf99fb8a2cbf0fd9ce9b2d5d298943d0d4dc479f7 (patch)
tree6412544d8bfa43be47dd959a999680c077240d80 /fs/freevxfs
parent1db8508cf483dc1ecf66141f90a7c03659d69512 (diff)
powerpc/mm: Fix _PAGE_COHERENT support on classic ppc32 HW
The following commit: commit 64b3d0e8122b422e879b23d42f9e0e8efbbf9744 Author: Benjamin Herrenschmidt <benh@kernel.crashing.org> Date: Thu Dec 18 19:13:51 2008 +0000 powerpc/mm: Rework usage of _PAGE_COHERENT/NO_CACHE/GUARDED broke setting of the _PAGE_COHERENT bit in the PPC HW PTE. Since we now actually set _PAGE_COHERENT in the Linux PTE we shouldn't be clearing it out before we propogate it to the PPC HW PTE. Reported-by: Martyn Welch <martyn.welch@gefanuc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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