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SubjectRe: [PATCH] sched/vtime: Prevent unstable evaluation of WARN(vtime->state)
On Mon, Dec 30, 2019 at 09:04:36AM +0000, Chris Wilson wrote:
> 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.
> Fixes: 74722bb223d0 ("sched/vtime: Bring up complete kcpustat accessor")
> Signed-off-by: Chris Wilson <>
> Cc: Frederic Weisbecker <>
> Cc: Peter Zijlstra <>
> Cc: Ingo Molnar <>

Oh thanks for taking the time to make it a proper patch!
Looks good, I'm relaying it.

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