selftests/bpf: Add ABBCCA case for rqspinlock stress test #6202
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Introduce a new mode for the rqspinlock stress test that exercises a deadlock that won't be detected by the AA and ABBA checks, such that we always reliably trigger the timeout fallback. We need 4 CPUs for this particular case, as CPU 0 is untouched, and three participant CPUs for triggering the ABBCCA case. Refactor the lock acquisition paths in the module to better reflect the three modes and choose the right lock depending on the context. Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]> Acked-by: Eduard Zingerman <[email protected]> Reviewed-by: Amery Hung <[email protected]>
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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=1014651 expired. Closing PR. |
Pull request for series with
subject: selftests/bpf: Add ABBCCA case for rqspinlock stress test
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=1014651