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| author | Chris Wilson <[email protected]> | 2020-01-23 19:08:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2020-03-06 12:57:16 +0100 |
| commit | f1dfdab694eb3838ac26f4b73695929c07d92a33 (patch) | |
| tree | 37791cfddf0e1e76792321e96271bf86cbe9c5bf /lib/mpi/mpi-mul.c | |
| parent | 1b10d388d094bb32129060236add6f50b204a69d (diff) | |
sched/vtime: Prevent unstable evaluation of WARN(vtime->state)
As the vtime is sampled under loose seqcount protection by kcpustat, the
vtime fields may change as the code flows. Where logic dictates a field
has a static value, use a READ_ONCE.
Signed-off-by: Chris Wilson <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Fixes: 74722bb223d0 ("sched/vtime: Bring up complete kcpustat accessor")
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'lib/mpi/mpi-mul.c')
0 files changed, 0 insertions, 0 deletions