diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2024-09-09 09:17:45 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2024-09-09 09:17:45 +0000 |
| commit | e953f39c4eeae5e96cf4fa07ac5efcafccf3238d (patch) | |
| tree | b2b26f5758d1e616afb2e08b3c6d0475e3b547bc /sys/dev/pci/drm | |
| parent | 5e497fda67faad4b6d43011364e2c941a82c9d7f (diff) | |
drm/amdkfd: Check debug trap enable before write dbg_ev_file
From Lin.Cao
e6ea3b8fe398915338147fe54dd2db8155fdafd8 in linux-6.6.y/6.6.50
547033b593063eb85bfdf9b25a5f1b8fd1911be2 in mainline linux
Diffstat (limited to 'sys/dev/pci/drm')
| -rw-r--r-- | sys/dev/pci/drm/amd/amdkfd/kfd_debug.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/amd/amdkfd/kfd_debug.c b/sys/dev/pci/drm/amd/amdkfd/kfd_debug.c index 9ec75066638..94aaf2fc556 100644 --- a/sys/dev/pci/drm/amd/amdkfd/kfd_debug.c +++ b/sys/dev/pci/drm/amd/amdkfd/kfd_debug.c @@ -103,7 +103,8 @@ void debug_event_write_work_handler(struct work_struct *work) struct kfd_process, debug_event_workarea); - kernel_write(process->dbg_ev_file, &write_data, 1, &pos); + if (process->debug_trap_enabled && process->dbg_ev_file) + kernel_write(process->dbg_ev_file, &write_data, 1, &pos); } /* update process/device/queue exception status, write to descriptor @@ -645,6 +646,7 @@ int kfd_dbg_trap_disable(struct kfd_process *target) else if (target->runtime_info.runtime_state != DEBUG_RUNTIME_STATE_DISABLED) target->runtime_info.runtime_state = DEBUG_RUNTIME_STATE_ENABLED; + cancel_work_sync(&target->debug_event_workarea); fput(target->dbg_ev_file); target->dbg_ev_file = NULL; |