| Commit message (Collapse) | Author | Age |
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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.)
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Conflicts:
include/litmus/binheap.h
include/litmus/fdso.h
include/litmus/litmus.h
litmus/Makefile
litmus/binheap.c
litmus/edf_common.c
litmus/fdso.c
litmus/jobs.c
litmus/locking.c
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As the number of supported locking protocols is expected to rise,
hard-coding things like priority inheritance in the plugin interface
doesn't scale. Instead, use a new generic lock-ops approach. With this
approach, each plugin can define its own protocol implementation (or
use a generic one), and plugins can support multiple protocols without
having to change the plugin interface for each protocol.
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