linux-kernel - [PATCH] Fix late crypto work queue initialization

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Message-ID: <1395100347.2970.14.camel@schen9-DESK>
Date:	Mon, 17 Mar 2014 16:52:26 -0700
From:	Tim Chen <tim.c.chen@...ux.intel.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>,
	"H. Peter Anvin" <hpa@...or.com>,
	"David S.Miller" <davem@...emloft.net>
Cc:	Tim Chen <tim.c.chen@...ux.intel.com>,
	linux-crypto@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Huang, Ying" <ying.huang@...el.com>
Subject: [PATCH] Fix late crypto work queue initialization

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@...ux.intel.com>
---
 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");
-- 
1.7.11.7


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