linux-kernel - Re: [PATCH] crypto: hisilicon - replace 'smp_processor_id' with 'get

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Message-ID: <20211008113543.GB26495@gondor.apana.org.au>
Date:   Fri, 8 Oct 2021 19:35:43 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Kai Ye <yekai13@...wei.com>
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        wangzhou1@...ilicon.com
Subject: Re: [PATCH] crypto: hisilicon - replace 'smp_processor_id' with
 'get_cpu' in preemptible

On Thu, Sep 30, 2021 at 04:55:46PM +0800, Kai Ye wrote:
>
> diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
> index 65a641396c07..d1754e7b7a9c 100644
> --- a/drivers/crypto/hisilicon/hpre/hpre_main.c
> +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
> @@ -277,10 +277,11 @@ static inline int hpre_cluster_core_mask(struct hisi_qm *qm)
>  
>  struct hisi_qp *hpre_create_qp(u8 type)
>  {
> -	int node = cpu_to_node(smp_processor_id());
> +	int node = cpu_to_node(get_cpu());
>  	struct hisi_qp *qp = NULL;
>  	int ret;
>  
> +	put_cpu();

This looks wrong.  You're just changing the code to make the warning
go away.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt