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25c38d3fb9
Use dedicated workqueue for crypto subsystem A dedicated workqueue named kcrypto_wq is created to be used by crypto subsystem. The system shared keventd_wq is not suitable for encryption/decryption, because of potential starvation problem. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
39 lines
896 B
C
39 lines
896 B
C
/*
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* Workqueue for crypto subsystem
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*
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* Copyright (c) 2009 Intel Corp.
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* Author: Huang Ying <ying.huang@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#include <linux/workqueue.h>
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#include <crypto/algapi.h>
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#include <crypto/crypto_wq.h>
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struct workqueue_struct *kcrypto_wq;
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EXPORT_SYMBOL_GPL(kcrypto_wq);
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static int __init crypto_wq_init(void)
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{
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kcrypto_wq = create_workqueue("crypto");
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if (unlikely(!kcrypto_wq))
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return -ENOMEM;
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return 0;
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}
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static void __exit crypto_wq_exit(void)
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{
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destroy_workqueue(kcrypto_wq);
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}
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module_init(crypto_wq_init);
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module_exit(crypto_wq_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Workqueue for crypto subsystem");
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