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

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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,

-- 
Giovanni



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