diff options
| author | Yasunori Goto <y-goto@jp.fujitsu.com> | 2009-04-02 16:58:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-02 19:05:01 -0700 |
| commit | 303d379c54fc9ed553562e36c1cbd1791a3f5d17 (patch) | |
| tree | fa16886ba42f97af18eed3f2b791f54ce7ee2b09 /kernel/sysctl.c | |
| parent | 1f80769ffd36e74357fe896dc43dddf1af1510f3 (diff) | |
hpet: fix the possibility of insane return value of hpet_calibrate() against SMI
hpet_calibrate() has a possibility of miss-calibration due to SMI. If SMI
interrupts in the while loop of calibration, then return value will be
big. This change calibrates until stabilizing by the return value with a
small value.
[akpm@linux-foundation.org: trivial style tweaks]
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Acked-by: Vojtech Pavlik <vojtech@suse.cz>
Cc: Robert Picco <Robert.Picco@hp.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sysctl.c')
0 files changed, 0 insertions, 0 deletions