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| author |   Tadeusz Struk <tadeusz.struk@intel.com> | 2016-04-06 11:01:54 -0700 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2016-04-15 22:35:45 +0800 |
| commit | d6064165ba4449ea085a389724d728258a3180ec (patch) | |
| tree | ae38a87001011166778e6c1fa6a437560bab8a4e /drivers/crypto/qat/qat_common/adf_common_drv.h | |
| parent | crypto: ccp - Fix RT breaking #include <linux/rwlock_types.h> (diff) | |
| download | linux-dev-d6064165ba4449ea085a389724d728258a3180ec.tar.xz linux-dev-d6064165ba4449ea085a389724d728258a3180ec.zip | |
crypto: qat - adf_dev_stop should not be called in atomic context
VFs call adf_dev_stop() from a PF to VF interrupt bottom half.
This causes an oops "scheduling while atomic", because it tries
to acquire a mutex to un-register crypto algorithms.
This patch fixes the issue by calling adf_dev_stop() asynchronously.
Changes in v2:
- change kthread to a work queue.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_common_drv.h')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_common_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h index c9e4d469e930..fd096eda880f 100644 --- a/drivers/crypto/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/qat/qat_common/adf_common_drv.h @@ -144,6 +144,8 @@ void adf_disable_aer(struct adf_accel_dev *accel_dev); void adf_dev_restore(struct adf_accel_dev *accel_dev); int adf_init_aer(void); void adf_exit_aer(void); +int adf_init_vf_wq(void); +void adf_exit_vf_wq(void); int adf_init_admin_comms(struct adf_accel_dev *accel_dev); void adf_exit_admin_comms(struct adf_accel_dev *accel_dev); int adf_send_admin_init(struct adf_accel_dev *accel_dev); |