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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2010-07-27 07:18:46 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-07-31 19:53:06 +0800 |
| commit | d3f64e46aa21dd86a239274d218ec286461bfa68 (patch) | |
| tree | fe57ebde6e9007ba0fad7b315fde217d195e8c04 /crypto | |
| parent | c57e842eff49b05c4642dd7cfb1e7aa62ab932fa (diff) | |
| download | lwn-d3f64e46aa21dd86a239274d218ec286461bfa68.tar.gz lwn-d3f64e46aa21dd86a239274d218ec286461bfa68.zip | |
crypto: pcrypt - Update pcrypt cpumask according to the padata cpumask notifier
The padata cpumask change notifier passes a padata_cpumask to the
notifier chain. So we use this cpumask instead of asking padata for
the cpumask.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/pcrypt.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 77425530ee11..de3078215fe6 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <linux/notifier.h> #include <linux/kobject.h> +#include <linux/cpu.h> #include <crypto/pcrypt.h> struct padata_pcrypt { @@ -409,6 +410,7 @@ static int pcrypt_cpumask_change_notify(struct notifier_block *self, { struct padata_pcrypt *pcrypt; struct pcrypt_cpumask *new_mask, *old_mask; + struct padata_cpumask *cpumask = (struct padata_cpumask *)data; if (!(val & PADATA_CPU_SERIAL)) return 0; @@ -424,7 +426,7 @@ static int pcrypt_cpumask_change_notify(struct notifier_block *self, old_mask = pcrypt->cb_cpumask; - padata_get_cpumask(pcrypt->pinst, PADATA_CPU_SERIAL, new_mask->mask); + cpumask_copy(new_mask->mask, cpumask->cbcpu); rcu_assign_pointer(pcrypt->cb_cpumask, new_mask); synchronize_rcu_bh(); @@ -451,6 +453,8 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt, int ret = -ENOMEM; struct pcrypt_cpumask *mask; + get_online_cpus(); + pcrypt->wq = create_workqueue(name); if (!pcrypt->wq) goto err; @@ -467,7 +471,7 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt, goto err_free_padata; } - padata_get_cpumask(pcrypt->pinst, PADATA_CPU_SERIAL, mask->mask); + cpumask_and(mask->mask, cpu_possible_mask, cpu_active_mask); rcu_assign_pointer(pcrypt->cb_cpumask, mask); pcrypt->nblock.notifier_call = pcrypt_cpumask_change_notify; @@ -479,7 +483,10 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt, if (ret) goto err_unregister_notifier; + put_online_cpus(); + return ret; + err_unregister_notifier: padata_unregister_cpumask_notifier(pcrypt->pinst, &pcrypt->nblock); err_free_cpumask: @@ -490,6 +497,8 @@ err_free_padata: err_destroy_workqueue: destroy_workqueue(pcrypt->wq); err: + put_online_cpus(); + return ret; } |