On Tue, 28 Aug 2018 15:46:38 +0200
Peter Zijlstra wrote:
> On Mon, Aug 27, 2018 at 02:44:57PM +1000, Nicholas Piggin wrote:
>
> > powerpc may be able to use the unmap granule thing to improve
> > its page size dependent flushes, but it might prefer to go
> > a different way and track start-end f
On Tue, Aug 28, 2018 at 03:46:38PM +0200, Peter Zijlstra wrote:
> On Mon, Aug 27, 2018 at 02:44:57PM +1000, Nicholas Piggin wrote:
>
> > powerpc may be able to use the unmap granule thing to improve
> > its page size dependent flushes, but it might prefer to go
> > a different way and track start-
On Mon, Aug 27, 2018 at 02:44:57PM +1000, Nicholas Piggin wrote:
> powerpc may be able to use the unmap granule thing to improve
> its page size dependent flushes, but it might prefer to go
> a different way and track start-end for different page sizes.
I don't really see how tracking multiple ra
On Fri, 24 Aug 2018 16:52:43 +0100
Will Deacon wrote:
> From: Peter Zijlstra
>
> Some architectures require different TLB invalidation instructions
> depending on whether it is only the last-level of page table being
> changed, or whether there are also changes to the intermediate
> (directory)
From: Peter Zijlstra
Some architectures require different TLB invalidation instructions
depending on whether it is only the last-level of page table being
changed, or whether there are also changes to the intermediate
(directory) entries higher up the tree.
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