Re: [PATCH 4/4] kvm: powerpc: set cache coherency only for RAM pages
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2013-07-26 22:26:50
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kvm
On Fri, 2013-07-26 at 15:03 +0000, Bhushan Bharat-R65777 wrote:
Will not searching the Linux PTE is a overkill?
That's the best approach. Also we are searching it already to resolve the page fault. That does mean we search twice but on the other hand that also means it's hot in the cache. Cheers, Ben