Re: page table lock patch V15 [0/7]: overview

From: Christoph Lameter <>
Date: 2005-01-14 04:14:44
On Thu, 13 Jan 2005, Nick Piggin wrote:

> I'm still not too sure that all places read the pte atomically where needed.
> But presently this is not a really big concern because it only would
> really slow down i386 PAE if anything.

S/390 is also affected. And I vaguely recall special issues with sparc
too. That is why I dropped the arch support for that a long time ago from
the patchset. Then there was some talk a couple of months back to use
another addressing mode on IA64 that may also require 128 bit ptes. There
are significantly different ways of doing optimal SMP locking for these
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Received on Thu Jan 13 12:20:44 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:34 EST