bpf: Call cond_resched() to avoid soft lockup in trie_free() #9129
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Upstream branch: f66b4aa |
Calls to kfree() in trie_free() can be expensive for KASAN-enabled kernels. This can cause soft lockup warnings when traversing large maps, watchdog: BUG: soft lockup - CPU#41 stuck for 76s! [kworker/u518:14:1158211] Avoid an unbounded loop and periodically check whether we should reschedule. Signed-off-by: Matt Fleming <[email protected]> Acked-by: Song Liu <[email protected]>
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Upstream branch: f66b4aa |
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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=972433 expired. Closing PR. |
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Pull request for series with
subject: bpf: Call cond_resched() to avoid soft lockup in trie_free()
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=972433