AMD-GFX Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Zhu Lingshan <lingshan.zhu@amd.com>
To: <felix.kuehling@amd.com>, <alexander.deucher@amd.com>
Cc: <ray.huang@amd.com>, <amd-gfx@lists.freedesktop.org>,
	Zhu Lingshan <lingshan.zhu@amd.com>
Subject: [PATCH V6 15/18] amdkfd: record kfd context id in amdkfd_fence
Date: Wed, 22 Oct 2025 15:30:40 +0800	[thread overview]
Message-ID: <20251022073043.13009-16-lingshan.zhu@amd.com> (raw)
In-Reply-To: <20251022073043.13009-1-lingshan.zhu@amd.com>

This commit records the context id of the
cooresponding kfd process in amdkfd_fence

Signed-off-by: Zhu Lingshan <lingshan.zhu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h       | 4 +++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c | 4 +++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++--
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c             | 2 +-
 4 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 28b54d7ee1f5..087e8fe2c077 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -98,6 +98,7 @@ struct amdgpu_amdkfd_fence {
 	spinlock_t lock;
 	char timeline_name[TASK_COMM_LEN];
 	struct svm_range_bo *svm_bo;
+	uint16_t context_id;
 };
 
 struct amdgpu_kfd_dev {
@@ -190,7 +191,8 @@ int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
 
 struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context,
 				struct mm_struct *mm,
-				struct svm_range_bo *svm_bo);
+				struct svm_range_bo *svm_bo,
+				u16 context_id);
 
 int amdgpu_amdkfd_drm_client_create(struct amdgpu_device *adev);
 #if defined(CONFIG_DEBUG_FS)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
index 1ef758ac5076..4119d0a9235e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
@@ -62,7 +62,8 @@ static atomic_t fence_seq = ATOMIC_INIT(0);
 
 struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context,
 				struct mm_struct *mm,
-				struct svm_range_bo *svm_bo)
+				struct svm_range_bo *svm_bo,
+				u16 context_id)
 {
 	struct amdgpu_amdkfd_fence *fence;
 
@@ -76,6 +77,7 @@ struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context,
 	get_task_comm(fence->timeline_name, current);
 	spin_lock_init(&fence->lock);
 	fence->svm_bo = svm_bo;
+	fence->context_id = context_id;
 	dma_fence_init(&fence->base, &amdkfd_fence_ops, &fence->lock,
 		   context, atomic_inc_return(&fence_seq));
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 722440d62290..20f834336811 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1405,7 +1405,7 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info,
 		info->eviction_fence =
 			amdgpu_amdkfd_fence_create(dma_fence_context_alloc(1),
 						   current->mm,
-						   NULL);
+						   NULL, process->context_id);
 		if (!info->eviction_fence) {
 			pr_err("Failed to create eviction fence\n");
 			ret = -ENOMEM;
@@ -3056,7 +3056,7 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence __rcu *
 			amdgpu_amdkfd_fence_create(
 				process_info->eviction_fence->base.context,
 				process_info->eviction_fence->mm,
-				NULL);
+				NULL, process_info->context_id);
 
 		if (!new_fence) {
 			pr_err("Failed to create eviction fence\n");
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 9d72411c3379..04582aef1b41 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -585,7 +585,7 @@ svm_range_vram_node_new(struct kfd_node *node, struct svm_range *prange,
 	svm_bo->eviction_fence =
 		amdgpu_amdkfd_fence_create(dma_fence_context_alloc(1),
 					   mm,
-					   svm_bo);
+					   svm_bo, p->context_id);
 	mmput(mm);
 	INIT_WORK(&svm_bo->eviction_work, svm_range_evict_svm_bo_worker);
 	svm_bo->evicting = 0;
-- 
2.51.0


  parent reply	other threads:[~2025-10-22  7:31 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-22  7:30 [PATCH V6 00/18] amdkfd: Implement kfd multiple contexts Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 01/18] amdkfd: enlarge the hashtable of kfd_process Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 02/18] amdkfd: mark the first kfd_process as the primary one Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 03/18] amdkfd: find_process_by_mm always return the primary context Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 04/18] amdkfd: Introduce kfd_create_process_sysfs as a separate function Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 05/18] amdkfd: destroy kfd secondary contexts through fd close Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 06/18] amdkfd: process svm ioctl only on the primary kfd process Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 07/18] amdkfd: process USERPTR allocation " Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 08/18] amdkfd: identify a secondary kfd process by its id Zhu Lingshan
2025-10-30 21:17   ` Felix Kuehling
2025-10-22  7:30 ` [PATCH V6 09/18] amdkfd: find kfd_process by filep->private_data in kfd_mmap Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 10/18] amdkfd: remove DIQ support Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 11/18] amdkfd: process pointer of a HIQ should be NULL Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 12/18] amdkfd: remove test_kq Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 13/18] amdkfd: introduce new helper kfd_lookup_process_by_id Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 14/18] amdkfd: record kfd context id into kfd process_info Zhu Lingshan
2025-10-22  7:30 ` Zhu Lingshan [this message]
2025-10-22  7:30 ` [PATCH V6 16/18] amdkfd: fence handler evict and restore a kfd process by its context id Zhu Lingshan
2025-10-22  7:30 ` [PATCH V6 17/18] amdkfd: process debug trap ioctl only on a primary context Zhu Lingshan
2025-10-30 21:18   ` Felix Kuehling
2025-10-22  7:30 ` [PATCH V6 18/18] amdkfd: introduce new ioctl AMDKFD_IOC_CREATE_PROCESS Zhu Lingshan
2025-10-30 21:28   ` Felix Kuehling
2025-10-30 21:15 ` [PATCH V6 00/18] amdkfd: Implement kfd multiple contexts Felix Kuehling

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20251022073043.13009-16-lingshan.zhu@amd.com \
    --to=lingshan.zhu@amd.com \
    --cc=alexander.deucher@amd.com \
    --cc=amd-gfx@lists.freedesktop.org \
    --cc=felix.kuehling@amd.com \
    --cc=ray.huang@amd.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox