Re: [PATCH] crypto: qat - Silence smp_processor_id() warning

Hi Alexander,

Thanks for you patch.

On Tue, Jul 23, 2019 at 07:24:01AM +0000, Sverdlin, Alexander (Nokia - DE/Ulm) 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?

Thanks,