diff options
| author | Harald Freudenberger <freude@linux.vnet.ibm.com> | 2017-01-16 09:43:29 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-01-31 10:46:15 +0100 |
| commit | 7fbe5c0f2af3ab82fe6880af557e98a10d711370 (patch) | |
| tree | 5e2fdc39a741c647ad85e117cfc78eee21a7df1c /drivers/s390/crypto/zcrypt_api.c | |
| parent | s390/prng: Adjust generation of entropy to produce real 256 bits. (diff) | |
| download | linux-7fbe5c0f2af3ab82fe6880af557e98a10d711370.tar.xz linux-7fbe5c0f2af3ab82fe6880af557e98a10d711370.zip | |
s390/zcrypt: use spin_lock_bh for all queue locks and unlocks.
During tests the Kernel complained about inconsistend lock state:
inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
Now all the queue locks use spin_lock_bh/spin_unlock_bh.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 919f7aa5a09a..926169c3d9b9 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -668,6 +668,7 @@ static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES]) memset(qdepth, 0, sizeof(char) * AP_DEVICES); spin_lock(&zcrypt_list_lock); + local_bh_disable(); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) @@ -679,6 +680,7 @@ static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES]) spin_unlock(&zq->queue->lock); } } + local_bh_enable(); spin_unlock(&zcrypt_list_lock); } @@ -689,6 +691,7 @@ static void zcrypt_perdev_reqcnt(int reqcnt[AP_DEVICES]) memset(reqcnt, 0, sizeof(int) * AP_DEVICES); spin_lock(&zcrypt_list_lock); + local_bh_disable(); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) @@ -699,6 +702,7 @@ static void zcrypt_perdev_reqcnt(int reqcnt[AP_DEVICES]) spin_unlock(&zq->queue->lock); } } + local_bh_enable(); spin_unlock(&zcrypt_list_lock); } @@ -710,6 +714,7 @@ static int zcrypt_pendingq_count(void) pendingq_count = 0; spin_lock(&zcrypt_list_lock); + local_bh_disable(); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) @@ -719,6 +724,7 @@ static int zcrypt_pendingq_count(void) spin_unlock(&zq->queue->lock); } } + local_bh_enable(); spin_unlock(&zcrypt_list_lock); return pendingq_count; } @@ -731,6 +737,7 @@ static int zcrypt_requestq_count(void) requestq_count = 0; spin_lock(&zcrypt_list_lock); + local_bh_disable(); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) @@ -740,6 +747,7 @@ static int zcrypt_requestq_count(void) spin_unlock(&zq->queue->lock); } } + local_bh_enable(); spin_unlock(&zcrypt_list_lock); return requestq_count; } |