diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-12-16 12:32:23 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-16 22:01:46 +0100 |
| commit | 39c04b55240342d0742ac48538d3d8c71bfc0a94 (patch) | |
| tree | 13f5bb09b626fb60f7dd1b8d3b506617e585dd9b /kernel/trace/ring_buffer.c | |
| parent | bacbe9994541c70aa3abd1a013ac738e58d4bfb2 (diff) | |
x86: make sure we really have an hpet mapping before using it
Impact: prepare the hpet code for Xen dom0 booting
When booting in Xen dom0, the hpet isn't really accessible, so make
sure the mapping is non-NULL before use.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
0 files changed, 0 insertions, 0 deletions