[PATCH v5 5/6] drm/amdgpu: make process_name a flexible array
Pierre-Eric Pelloux-Prayer
pierre-eric.pelloux-prayer at amd.com
Thu Oct 3 12:43:13 UTC 2024
And rename it process_desc, since it will soon contain more than
just the process_name.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c | 4 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 13 +++++++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_events.c | 2 +-
13 files changed, 24 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index cbef720de779..c2185e43e38d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -1786,7 +1786,7 @@ static int amdgpu_debugfs_vm_info_show(struct seq_file *m, void *unused)
ti = amdgpu_vm_get_task_info_vm(vm);
if (ti) {
- seq_printf(m, "pid:%d\tProcess:%s ----------\n", ti->pid, ti->process_name);
+ seq_printf(m, "pid:%d\tProcess:%s ----------\n", ti->pid, ti->process_desc);
amdgpu_vm_put_task_info(ti);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c
index 5ac59b62020c..4ca0a372984b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c
@@ -220,8 +220,8 @@ amdgpu_devcoredump_read(char *buffer, loff_t offset, size_t count,
coredump->reset_time.tv_nsec);
if (coredump->reset_task_info.pid)
- drm_printf(&p, "process_name: %s PID: %d\n",
- coredump->reset_task_info.process_name,
+ drm_printf(&p, "process: %s PID: %d\n",
+ coredump->reset_task_info.process_desc,
coredump->reset_task_info.pid);
/* SOC Information */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index ad6bf5d4e0a9..d1678eebbff3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -125,7 +125,7 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
if (ti) {
dev_err(adev->dev,
"Process information: process %s pid %d thread %s pid %d\n",
- ti->process_name, ti->tgid, ti->task_name, ti->pid);
+ ti->process_desc, ti->tgid, ti->task_name, ti->pid);
amdgpu_vm_put_task_info(ti);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 6cd5bd5362d4..561ff832930e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2357,13 +2357,22 @@ amdgpu_vm_get_task_info_pasid(struct amdgpu_device *adev, u32 pasid)
static int amdgpu_vm_create_task_info(struct amdgpu_vm *vm)
{
- vm->task_info = kzalloc(sizeof(struct amdgpu_task_info), GFP_KERNEL);
+ char process_name[TASK_COMM_LEN];
+ size_t pname_len;
+
+ get_task_comm(process_name, current->group_leader);
+ pname_len = strlen(process_name);
+
+ vm->task_info = kzalloc(
+ struct_size(vm->task_info, process_desc, pname_len + 1),
+ GFP_KERNEL);
+
if (!vm->task_info)
return -ENOMEM;
/* Set process attributes now. */
vm->task_info->tgid = current->group_leader->pid;
- get_task_comm(vm->task_info->process_name, current->group_leader);
+ strscpy(vm->task_info->process_desc, process_name, pname_len + 1);
kref_init(&vm->task_info->refcount);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index d12d66dca8e9..44da250217be 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -232,11 +232,11 @@ struct amdgpu_vm_pte_funcs {
};
struct amdgpu_task_info {
- char process_name[TASK_COMM_LEN];
char task_name[TASK_COMM_LEN];
pid_t pid;
pid_t tgid;
struct kref refcount;
+ char process_desc[];
};
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 9784a2892185..c82364e43a15 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -166,7 +166,7 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
if (task_info) {
dev_err(adev->dev,
" in process %s pid %d thread %s pid %d\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index 2797fd84432b..4dace3de1def 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -136,7 +136,7 @@ static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev,
if (task_info) {
dev_err(adev->dev,
" in process %s pid %d thread %s pid %d)\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index edcb5351f8cc..e56d702fbfed 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -129,7 +129,7 @@ static int gmc_v12_0_process_interrupt(struct amdgpu_device *adev,
if (task_info) {
dev_err(adev->dev,
" in process %s pid %d thread %s pid %d)\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 86488c052f82..5fca64e71ada 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1451,7 +1451,7 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
if (task_info) {
dev_err(adev->dev, " for process %s pid %d thread %s pid %d\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index c76ac0dfe572..c54c86dac14f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -635,7 +635,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
if (task_info) {
dev_err(adev->dev,
" for process %s pid %d thread %s pid %d)\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 23ef4eb36b40..ea1990c19803 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2186,7 +2186,7 @@ static int sdma_v4_0_print_iv_entry(struct amdgpu_device *adev,
if (task_info) {
dev_dbg_ratelimited(adev->dev,
" for process %s pid %d thread %s pid %d\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index c77889040760..df00bf480dcf 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -1701,7 +1701,7 @@ static int sdma_v4_4_2_print_iv_entry(struct amdgpu_device *adev,
task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
if (task_info) {
dev_dbg_ratelimited(adev->dev, " for process %s pid %d thread %s pid %d\n",
- task_info->process_name, task_info->tgid,
+ task_info->process_desc, task_info->tgid,
task_info->task_name, task_info->pid);
amdgpu_vm_put_task_info(task_info);
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index ea3792249209..95ba07ae3b89 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -1267,7 +1267,7 @@ void kfd_signal_reset_event(struct kfd_node *dev)
if (ti) {
dev_err(dev->adev->dev,
"Queues reset on process %s tid %d thread %s pid %d\n",
- ti->process_name, ti->tgid, ti->task_name, ti->pid);
+ ti->process_desc, ti->tgid, ti->task_name, ti->pid);
amdgpu_vm_put_task_info(ti);
}
}
--
2.40.1
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