Hi! On 25/07/2019 15:26, Giovanni Cabiddu wrote: >> It seems that smp_processor_id() is only used for a best-effort >> load-balancing, refer to qat_crypto_get_instance_node(). It's not feasible >> to disable preemption for the duration of the crypto requests. Therefore, >> just silence the warning. This commit is similar to e7a9b05ca4 >> ("crypto: cavium - Fix smp_processor_id() warnings"). >> >> Silences the following splat: >> BUG: using smp_processor_id() in preemptible [00000000] code: cryptomgr_test/2904 >> caller is qat_alg_ablkcipher_setkey+0x300/0x4a0 [intel_qat] >> CPU: 1 PID: 2904 Comm: cryptomgr_test Tainted: P O 4.14.69 #1 > How did you reproduce this problem? Isn't just CONFIG_DEBUG_ATOMIC_SLEEP enough in your setup? -- Best regards, Alexander Sverdlin.