Re: [PATCH] Fix late crypto work queue initialization

From: Tim Chen
Date: Thu Mar 20 2014 - 20:18:44 EST


On Mon, 2014-03-17 at 16:52 -0700, Tim Chen wrote:
> The crypto algorithm modules utilizing the crypto daemon could
> be used early when the system start up. Using module_init
> does not guarantee that the daemon's work queue is initialized
> when the cypto alorithm depending on crypto_wq starts. It is necessary
> to initialize the crypto work queue earlier at the subsystem
> init time to make sure that it is initialized
> when used.
>
> Signed-off-by: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
> ---
> crypto/crypto_wq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/crypto/crypto_wq.c b/crypto/crypto_wq.c
> index adad92a..2f1b8d1 100644
> --- a/crypto/crypto_wq.c
> +++ b/crypto/crypto_wq.c
> @@ -33,7 +33,7 @@ static void __exit crypto_wq_exit(void)
> destroy_workqueue(kcrypto_wq);
> }
>
> -module_init(crypto_wq_init);
> +subsys_initcall(crypto_wq_init);
> module_exit(crypto_wq_exit);
>
> MODULE_LICENSE("GPL");

Herbert,

Any feedback on this patch?

Thanks.

Tim

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