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scmi: Fix race on timed out transmissions
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Authored by cristian.marussi_arm.com on Nov 4 2024, 8:51 AM.
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Details

Summary

When a waited-for outstanding request is determined to have timed out,
mark such request immediately as such, so as to avoid any possible race on
the IRQ path with code path evaluating that same timed out condition.

Tested on: Arm Morello Board
Sponsored by: Arm Ltd
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>

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rG FreeBSD src repository
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