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author | Glenn Elliott <gelliott@cs.unc.edu> | 2012-09-17 19:31:04 -0400 |
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committer | Glenn Elliott <gelliott@cs.unc.edu> | 2012-09-17 19:34:45 -0400 |
commit | d9b5000b74bbc468624f877495443b33f9511922 (patch) | |
tree | c0efc70114f208916f0b0b32f85d8c80ab25b89e /drivers/serial/8250_hp300.c | |
parent | b247fd41c493e7bd3cd33cb1c4b7c46420d16364 (diff) |
Fixed three bugs with aux threads and nested locks
Fixes two bugs with nested locks:
1) List of aux threads could become corrupted.
-- moved modifications to be within scheduler lock.
2) Fixed bad EDF comparison ordering that could lead
to schedule thrashing in an infinite loop.
3) Prevent aux threads from inheriting a priority from
a task that is blocked on a real-time litmus lock.
(since the aux threads can't possibly hold these locks,
we don't have to worry about inheritance.)
Diffstat (limited to 'drivers/serial/8250_hp300.c')
0 files changed, 0 insertions, 0 deletions