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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-01 16:46:37 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:16:30 +0200 |
| commit | 5a654ba7a88d90483d0f0586297ea9075d755fc8 (patch) | |
| tree | d3832d3d7ba02dd7f39f125536d754fcb2ea0b83 /kernel | |
| parent | ef5e94af16c0c82452e1ea5d387e1203dd2198d6 (diff) | |
| download | lwn-5a654ba7a88d90483d0f0586297ea9075d755fc8.tar.gz lwn-5a654ba7a88d90483d0f0586297ea9075d755fc8.zip | |
x86/cpa: use an undefined PTE bit for testing CPA
Rather than using _PAGE_GLOBAL - which not all CPUs support - to test
CPA, use one of the reserved-for-software-use PTE flags instead. This
allows CPA testing to work on CPUs which don't support PGD.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions