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authorJonathan Cameron <jic23@kernel.org>2026-06-02 15:24:19 +0100
committerJonathan Cameron <jic23@kernel.org>2026-06-02 15:24:19 +0100
commitc82228f76aaa3f77eca3ac22670aa69dd0e59d40 (patch)
treed04d0936d748104c004a69fe35fc63e0bd3cdfdd /drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
parent3f2d03ecf22b09da1d92ba06e1ba6e20d16060e9 (diff)
parente43ffb69e0438cddd72aaa30898b4dc446f664f8 (diff)
downloadlinux-next-c82228f76aaa3f77eca3ac22670aa69dd0e59d40.tar.gz
linux-next-c82228f76aaa3f77eca3ac22670aa69dd0e59d40.zip
Merge tag 'v7.1-rc6' into work
Linux 7.1-rc6
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index ab3b2e7be9bd..0d7296c739ed 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -475,6 +475,9 @@ static int allocate_doorbell(struct qcm_process_device *qpd,
} else {
/* For CP queues on SOC15 */
if (restore_id) {
+ if (*restore_id >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS)
+ return -EINVAL;
+
/* make sure that ID is free */
if (__test_and_set_bit(*restore_id, qpd->doorbell_bitmap))
return -EINVAL;
@@ -572,7 +575,7 @@ static int allocate_vmid(struct device_queue_manager *dqm,
qpd->vmid,
qpd->page_table_base);
/* invalidate the VM context after pasid and vmid mapping is set up */
- kfd_flush_tlb(qpd_to_pdd(qpd), TLB_FLUSH_LEGACY);
+ kfd_flush_tlb(qpd_to_pdd(qpd));
if (dqm->dev->kfd2kgd->set_scratch_backing_va)
dqm->dev->kfd2kgd->set_scratch_backing_va(dqm->dev->adev,
@@ -610,7 +613,7 @@ static void deallocate_vmid(struct device_queue_manager *dqm,
if (flush_texture_cache_nocpsch(q->device, qpd))
dev_err(dev, "Failed to flush TC\n");
- kfd_flush_tlb(qpd_to_pdd(qpd), TLB_FLUSH_LEGACY);
+ kfd_flush_tlb(qpd_to_pdd(qpd));
/* Release the vmid mapping */
set_pasid_vmid_mapping(dqm, 0, qpd->vmid);
@@ -1284,7 +1287,7 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
dqm->dev->adev,
qpd->vmid,
qpd->page_table_base);
- kfd_flush_tlb(pdd, TLB_FLUSH_LEGACY);
+ kfd_flush_tlb(pdd);
}
/* Take a safe reference to the mm_struct, which may otherwise
@@ -1587,6 +1590,9 @@ static int allocate_sdma_queue(struct device_queue_manager *dqm,
}
if (restore_sdma_id) {
+ if (*restore_sdma_id >= get_num_sdma_queues(dqm))
+ return -EINVAL;
+
/* Re-use existing sdma_id */
if (!test_bit(*restore_sdma_id, dqm->sdma_bitmap)) {
dev_err(dev, "SDMA queue already in use\n");
@@ -1613,6 +1619,9 @@ static int allocate_sdma_queue(struct device_queue_manager *dqm,
return -ENOMEM;
}
if (restore_sdma_id) {
+ if (*restore_sdma_id >= get_num_xgmi_sdma_queues(dqm))
+ return -EINVAL;
+
/* Re-use existing sdma_id */
if (!test_bit(*restore_sdma_id, dqm->xgmi_sdma_bitmap)) {
dev_err(dev, "SDMA queue already in use\n");
@@ -3299,12 +3308,14 @@ static void copy_context_work_handler(struct work_struct *work)
static uint32_t *get_queue_ids(uint32_t num_queues, uint32_t *usr_queue_id_array)
{
- size_t array_size = num_queues * sizeof(uint32_t);
-
if (!usr_queue_id_array)
return NULL;
- return memdup_user(usr_queue_id_array, array_size);
+ if (num_queues > KFD_MAX_NUM_OF_QUEUES_PER_PROCESS)
+ return ERR_PTR(-EINVAL);
+
+ return memdup_user(usr_queue_id_array,
+ array_size(num_queues, sizeof(uint32_t)));
}
int resume_queues(struct kfd_process *p,