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| author | Weili Qian <[email protected]> | 2020-08-15 09:56:16 +0000 |
|---|---|---|
| committer | Herbert Xu <[email protected]> | 2020-08-21 04:47:53 +0000 |
| commit | daa31783c0ebabac4fd6791a14b0f06239bde23c (patch) | |
| tree | a60e6abc18cec248fcb41fc1cacf8f91bd425c58 /drivers/crypto/stm32/stm32-hash.c | |
| parent | crypto: hisilicon/qm - register callback function to 'pci_driver.shutdown' (diff) | |
| download | kernel-daa31783c0ebabac4fd6791a14b0f06239bde23c.tar.gz kernel-daa31783c0ebabac4fd6791a14b0f06239bde23c.zip | |
crypto: hisilicon/qm - fix the call trace when unbind device
Call trace will appear in the Hisilicon crypto driver unbinding or
disabling SRIOV during task running with TFMs on the corresponding
function.
The log looks like this:
[ 293.908078] Call trace:
[ 293.908080] __queue_work+0x494/0x548
[ 293.908081] queue_work_on+0x84/0xd8
[ 293.908092] qm_irq+0x4c/0xd0 [hisi_qm]
[ 293.908096] __handle_irq_event_percpu+0x74/0x2a0
[ 293.908098] handle_irq_event_percpu+0x40/0x98
[ 293.908099] handle_irq_event+0x4c/0x80
[ 293.908101] handle_fasteoi_irq+0xb0/0x170
[ 293.908102] generic_handle_irq+0x3c/0x58
[ 293.908103] __handle_domain_irq+0x68/0xc0
[ 293.908104] gic_handle_irq+0xb4/0x298
[ 293.908105] el1_irq+0xcc/0x180
[ 293.908107] arch_cpu_idle+0x38/0x228
[ 293.908110] default_idle_call+0x20/0x40
[ 293.908113] do_idle+0x1cc/0x2b8
[ 293.908114] cpu_startup_entry+0x2c/0x30
[ 293.908115] rest_init+0xdc/0xe8
[ 293.908117] arch_call_rest_init+0x14/0x1c
[ 293.908117] start_kernel+0x490/0x4c4
This patch adds a waiting logic as user doing the above two operations
to avoid panic. The two operations will hold on in the driver
remove function until the tasks release all their relative TFMs.
Signed-off-by: Hui Tang <[email protected]>
Signed-off-by: Weili Qian <[email protected]>
Signed-off-by: Yang Shen <[email protected]>
Reviewed-by: Zhou Wang <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Diffstat (limited to 'drivers/crypto/stm32/stm32-hash.c')
0 files changed, 0 insertions, 0 deletions