diff options
| author | Soren Brinkmann <[email protected]> | 2015-12-26 02:43:50 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2016-02-06 22:52:09 -0800 |
| commit | f0f54a806b2df97485519a7c4ebc45feed08a306 (patch) | |
| tree | e3bc29f241716265548140ef3b6f6fed016b6537 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | e3538c37ee383228cb9f89fb9312c417f5eb3bfc (diff) | |
tty: xuartps: Use spinlock to serialize HW access
Instead of disabling the IRQ, use the spin lock to serialize accesses to
the HW. This protects the driver from interference of non-IRQ callbacks
with each other and makes the driver more consistent in its
serialization method.
Signed-off-by: Soren Brinkmann <[email protected]>
Reviewed-by: Peter Hurley <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions