Re: [PATCH] drm/amdgpu: use HMM mirror callback to replace mmu notifier v3
Am 13.09.2018 um 22:45 schrieb Philip Yang:
On 2018-09-13 02:24 PM, Christian König wrote:
Am 13.09.2018 um 20:00 schrieb Philip Yang:
Replace our MMU notifier with hmm_mirror_ops.sync_cpu_device_pagetables
callback. Enable CONFIG_HMM and CONFIG_HMM_MIRROR as a dependency in
DRM_AMDGPU_USERPTR Kconfig.
It supports both KFD userptr and gfx userptr paths.
This depends on several HMM patchset from Jérôme Glisse queued for
upstream. See
http://172.27.226.38/root/kernel_amd/commits/hmm-dev-v01 (for AMD
intranet)
Change-Id: Ie62c3c5e3c5b8521ab3b438d1eff2aa2a003835e
Signed-off-by: Philip Yang
---
drivers/gpu/drm/amd/amdgpu/Kconfig | 6 +--
drivers/gpu/drm/amd/amdgpu/Makefile | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 88
+++---
3 files changed, 75 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig
b/drivers/gpu/drm/amd/amdgpu/Kconfig
index 9221e54..960a633 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -26,10 +26,10 @@ config DRM_AMDGPU_CIK
config DRM_AMDGPU_USERPTR
bool "Always enable userptr write support"
depends on DRM_AMDGPU
- select MMU_NOTIFIER
+ select HMM_MIRROR
help
- This option selects CONFIG_MMU_NOTIFIER if it isn't already
- selected to enabled full userptr support.
+ This option selects CONFIG_HMM and CONFIG_HMM_MIRROR if it
+ isn't already selected to enabled full userptr support.
config DRM_AMDGPU_GART_DEBUGFS
bool "Allow GART access through debugfs"
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 138cb78..c1e5d43 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -171,7 +171,7 @@ endif
amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
-amdgpu-$(CONFIG_MMU_NOTIFIER) += amdgpu_mn.o
+amdgpu-$(CONFIG_HMM) += amdgpu_mn.o
include $(FULL_AMD_PATH)/powerplay/Makefile
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index e55508b..ea8671f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -46,6 +46,7 @@
#include
#include
#include
+#include
Can we now drop including linux/mmu_notifier.h?
Yes, will use hmm_mirror_ops to replace gfx and kfd mmu_notifier_ops
Please drop that and implement the gfx and kfd operations directly.
Thanks,
Christian.
#include
#include
#include
@@ -66,6 +67,7 @@
* @objects: interval tree containing amdgpu_mn_nodes
* @read_lock: mutex for recursive locking of @lock
* @recursion: depth of recursion
+ * @mirror: HMM mirror function support
*
* Data for each amdgpu device and process address space.
*/
@@ -87,6 +89,9 @@ struct amdgpu_mn {
struct rb_root_cached objects;
struct mutex read_lock;
atomic_t recursion;
+
+ /* HMM mirror */
+ struct hmm_mirror mirror;
};
/**
@@ -103,7 +108,7 @@ struct amdgpu_mn_node {
};
/**
- * amdgpu_mn_destroy - destroy the MMU notifier
+ * amdgpu_mn_destroy - destroy the HMM mirror
*
* @work: previously sheduled work item
*
@@ -129,28 +134,27 @@ static void amdgpu_mn_destroy(struct
work_struct *work)
}
up_write(>lock);
mutex_unlock(>mn_lock);
- mmu_notifier_unregister_no_release(>mn, amn->mm);
+
+ hmm_mirror_unregister(>mirror);
+
kfree(amn);
}
/**
* amdgpu_mn_release - callback to notify about mm destruction
*
- * @mn: our notifier
- * @mm: the mm this callback is about
+ * @mirror: the HMM mirror (mm) this callback is about
*
- * Shedule a work item to lazy destroy our notifier.
+ * Shedule a work item to lazy destroy HMM mirror.
*/
-static void amdgpu_mn_release(struct mmu_notifier *mn,
- struct mm_struct *mm)
+static void amdgpu_hmm_mirror_release(struct hmm_mirror *mirror)
{
- struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mirror, struct amdgpu_mn,
mirror);
INIT_WORK(>work, amdgpu_mn_destroy);
schedule_work(>work);
}
-
/**
* amdgpu_mn_lock - take the write side lock for this notifier
*
@@ -355,12 +359,10 @@ static void
amdgpu_mn_invalidate_range_end(struct mmu_notifier *mn,
static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
[AMDGPU_MN_TYPE_GFX] = {
- .release = amdgpu_mn_release,
.invalidate_range_start =
amdgpu_mn_invalidate_range_start_gfx,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
[AMDGPU_MN_TYPE_HSA] = {
- .release = amdgpu_mn_release,
.invalidate_range_start =
amdgpu_mn_invalidate_range_start_hsa,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
@@ -373,12 +375,63 @@ static const struct
Re: [PATCH] drm/amdgpu: use HMM mirror callback to replace mmu notifier v3
On 2018-09-13 02:24 PM, Christian König wrote:
Am 13.09.2018 um 20:00 schrieb Philip Yang:
Replace our MMU notifier with hmm_mirror_ops.sync_cpu_device_pagetables
callback. Enable CONFIG_HMM and CONFIG_HMM_MIRROR as a dependency in
DRM_AMDGPU_USERPTR Kconfig.
It supports both KFD userptr and gfx userptr paths.
This depends on several HMM patchset from Jérôme Glisse queued for
upstream. See
http://172.27.226.38/root/kernel_amd/commits/hmm-dev-v01 (for AMD
intranet)
Change-Id: Ie62c3c5e3c5b8521ab3b438d1eff2aa2a003835e
Signed-off-by: Philip Yang
---
drivers/gpu/drm/amd/amdgpu/Kconfig | 6 +--
drivers/gpu/drm/amd/amdgpu/Makefile | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 88
+++---
3 files changed, 75 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig
b/drivers/gpu/drm/amd/amdgpu/Kconfig
index 9221e54..960a633 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -26,10 +26,10 @@ config DRM_AMDGPU_CIK
config DRM_AMDGPU_USERPTR
bool "Always enable userptr write support"
depends on DRM_AMDGPU
- select MMU_NOTIFIER
+ select HMM_MIRROR
help
- This option selects CONFIG_MMU_NOTIFIER if it isn't already
- selected to enabled full userptr support.
+ This option selects CONFIG_HMM and CONFIG_HMM_MIRROR if it
+ isn't already selected to enabled full userptr support.
config DRM_AMDGPU_GART_DEBUGFS
bool "Allow GART access through debugfs"
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 138cb78..c1e5d43 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -171,7 +171,7 @@ endif
amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
-amdgpu-$(CONFIG_MMU_NOTIFIER) += amdgpu_mn.o
+amdgpu-$(CONFIG_HMM) += amdgpu_mn.o
include $(FULL_AMD_PATH)/powerplay/Makefile
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index e55508b..ea8671f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -46,6 +46,7 @@
#include
#include
#include
+#include
Can we now drop including linux/mmu_notifier.h?
Yes, will use hmm_mirror_ops to replace gfx and kfd mmu_notifier_ops
#include
#include
#include
@@ -66,6 +67,7 @@
* @objects: interval tree containing amdgpu_mn_nodes
* @read_lock: mutex for recursive locking of @lock
* @recursion: depth of recursion
+ * @mirror: HMM mirror function support
*
* Data for each amdgpu device and process address space.
*/
@@ -87,6 +89,9 @@ struct amdgpu_mn {
struct rb_root_cached objects;
struct mutex read_lock;
atomic_t recursion;
+
+ /* HMM mirror */
+ struct hmm_mirror mirror;
};
/**
@@ -103,7 +108,7 @@ struct amdgpu_mn_node {
};
/**
- * amdgpu_mn_destroy - destroy the MMU notifier
+ * amdgpu_mn_destroy - destroy the HMM mirror
*
* @work: previously sheduled work item
*
@@ -129,28 +134,27 @@ static void amdgpu_mn_destroy(struct
work_struct *work)
}
up_write(>lock);
mutex_unlock(>mn_lock);
- mmu_notifier_unregister_no_release(>mn, amn->mm);
+
+ hmm_mirror_unregister(>mirror);
+
kfree(amn);
}
/**
* amdgpu_mn_release - callback to notify about mm destruction
*
- * @mn: our notifier
- * @mm: the mm this callback is about
+ * @mirror: the HMM mirror (mm) this callback is about
*
- * Shedule a work item to lazy destroy our notifier.
+ * Shedule a work item to lazy destroy HMM mirror.
*/
-static void amdgpu_mn_release(struct mmu_notifier *mn,
- struct mm_struct *mm)
+static void amdgpu_hmm_mirror_release(struct hmm_mirror *mirror)
{
- struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mirror, struct amdgpu_mn,
mirror);
INIT_WORK(>work, amdgpu_mn_destroy);
schedule_work(>work);
}
-
/**
* amdgpu_mn_lock - take the write side lock for this notifier
*
@@ -355,12 +359,10 @@ static void
amdgpu_mn_invalidate_range_end(struct mmu_notifier *mn,
static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
[AMDGPU_MN_TYPE_GFX] = {
- .release = amdgpu_mn_release,
.invalidate_range_start =
amdgpu_mn_invalidate_range_start_gfx,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
[AMDGPU_MN_TYPE_HSA] = {
- .release = amdgpu_mn_release,
.invalidate_range_start =
amdgpu_mn_invalidate_range_start_hsa,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
@@ -373,12 +375,63 @@ static const struct mmu_notifier_ops
amdgpu_mn_ops[] = {
#define AMDGPU_MN_KEY(mm, type) ((unsigned long)(mm) + (type))
/**
- * amdgpu_mn_get - create
Re: [PATCH] drm/amdgpu: use HMM mirror callback to replace mmu notifier v3
Am 13.09.2018 um 20:00 schrieb Philip Yang:
Replace our MMU notifier with hmm_mirror_ops.sync_cpu_device_pagetables
callback. Enable CONFIG_HMM and CONFIG_HMM_MIRROR as a dependency in
DRM_AMDGPU_USERPTR Kconfig.
It supports both KFD userptr and gfx userptr paths.
This depends on several HMM patchset from Jérôme Glisse queued for
upstream. See
http://172.27.226.38/root/kernel_amd/commits/hmm-dev-v01 (for AMD intranet)
Change-Id: Ie62c3c5e3c5b8521ab3b438d1eff2aa2a003835e
Signed-off-by: Philip Yang
---
drivers/gpu/drm/amd/amdgpu/Kconfig | 6 +--
drivers/gpu/drm/amd/amdgpu/Makefile| 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 88 +++---
3 files changed, 75 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig
b/drivers/gpu/drm/amd/amdgpu/Kconfig
index 9221e54..960a633 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -26,10 +26,10 @@ config DRM_AMDGPU_CIK
config DRM_AMDGPU_USERPTR
bool "Always enable userptr write support"
depends on DRM_AMDGPU
- select MMU_NOTIFIER
+ select HMM_MIRROR
help
- This option selects CONFIG_MMU_NOTIFIER if it isn't already
- selected to enabled full userptr support.
+ This option selects CONFIG_HMM and CONFIG_HMM_MIRROR if it
+ isn't already selected to enabled full userptr support.
config DRM_AMDGPU_GART_DEBUGFS
bool "Allow GART access through debugfs"
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 138cb78..c1e5d43 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -171,7 +171,7 @@ endif
amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
-amdgpu-$(CONFIG_MMU_NOTIFIER) += amdgpu_mn.o
+amdgpu-$(CONFIG_HMM) += amdgpu_mn.o
include $(FULL_AMD_PATH)/powerplay/Makefile
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index e55508b..ea8671f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -46,6 +46,7 @@
#include
#include
#include
+#include
Can we now drop including linux/mmu_notifier.h?
#include
#include
#include
@@ -66,6 +67,7 @@
* @objects: interval tree containing amdgpu_mn_nodes
* @read_lock: mutex for recursive locking of @lock
* @recursion: depth of recursion
+ * @mirror: HMM mirror function support
*
* Data for each amdgpu device and process address space.
*/
@@ -87,6 +89,9 @@ struct amdgpu_mn {
struct rb_root_cached objects;
struct mutexread_lock;
atomic_trecursion;
+
+ /* HMM mirror */
+ struct hmm_mirror mirror;
};
/**
@@ -103,7 +108,7 @@ struct amdgpu_mn_node {
};
/**
- * amdgpu_mn_destroy - destroy the MMU notifier
+ * amdgpu_mn_destroy - destroy the HMM mirror
*
* @work: previously sheduled work item
*
@@ -129,28 +134,27 @@ static void amdgpu_mn_destroy(struct work_struct *work)
}
up_write(>lock);
mutex_unlock(>mn_lock);
- mmu_notifier_unregister_no_release(>mn, amn->mm);
+
+ hmm_mirror_unregister(>mirror);
+
kfree(amn);
}
/**
* amdgpu_mn_release - callback to notify about mm destruction
*
- * @mn: our notifier
- * @mm: the mm this callback is about
+ * @mirror: the HMM mirror (mm) this callback is about
*
- * Shedule a work item to lazy destroy our notifier.
+ * Shedule a work item to lazy destroy HMM mirror.
*/
-static void amdgpu_mn_release(struct mmu_notifier *mn,
- struct mm_struct *mm)
+static void amdgpu_hmm_mirror_release(struct hmm_mirror *mirror)
{
- struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mirror, struct amdgpu_mn, mirror);
INIT_WORK(>work, amdgpu_mn_destroy);
schedule_work(>work);
}
-
/**
* amdgpu_mn_lock - take the write side lock for this notifier
*
@@ -355,12 +359,10 @@ static void amdgpu_mn_invalidate_range_end(struct
mmu_notifier *mn,
static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
[AMDGPU_MN_TYPE_GFX] = {
- .release = amdgpu_mn_release,
.invalidate_range_start = amdgpu_mn_invalidate_range_start_gfx,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
[AMDGPU_MN_TYPE_HSA] = {
- .release = amdgpu_mn_release,
.invalidate_range_start = amdgpu_mn_invalidate_range_start_hsa,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
@@ -373,12 +375,63 @@ static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
#define AMDGPU_MN_KEY(mm, type) ((unsigned long)(mm) + (type))
/**
- * amdgpu_mn_get -
[PATCH] drm/amdgpu: use HMM mirror callback to replace mmu notifier v3
Replace our MMU notifier with hmm_mirror_ops.sync_cpu_device_pagetables
callback. Enable CONFIG_HMM and CONFIG_HMM_MIRROR as a dependency in
DRM_AMDGPU_USERPTR Kconfig.
It supports both KFD userptr and gfx userptr paths.
This depends on several HMM patchset from Jérôme Glisse queued for
upstream. See
http://172.27.226.38/root/kernel_amd/commits/hmm-dev-v01 (for AMD intranet)
Change-Id: Ie62c3c5e3c5b8521ab3b438d1eff2aa2a003835e
Signed-off-by: Philip Yang
---
drivers/gpu/drm/amd/amdgpu/Kconfig | 6 +--
drivers/gpu/drm/amd/amdgpu/Makefile| 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 88 +++---
3 files changed, 75 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig
b/drivers/gpu/drm/amd/amdgpu/Kconfig
index 9221e54..960a633 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -26,10 +26,10 @@ config DRM_AMDGPU_CIK
config DRM_AMDGPU_USERPTR
bool "Always enable userptr write support"
depends on DRM_AMDGPU
- select MMU_NOTIFIER
+ select HMM_MIRROR
help
- This option selects CONFIG_MMU_NOTIFIER if it isn't already
- selected to enabled full userptr support.
+ This option selects CONFIG_HMM and CONFIG_HMM_MIRROR if it
+ isn't already selected to enabled full userptr support.
config DRM_AMDGPU_GART_DEBUGFS
bool "Allow GART access through debugfs"
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 138cb78..c1e5d43 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -171,7 +171,7 @@ endif
amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
-amdgpu-$(CONFIG_MMU_NOTIFIER) += amdgpu_mn.o
+amdgpu-$(CONFIG_HMM) += amdgpu_mn.o
include $(FULL_AMD_PATH)/powerplay/Makefile
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index e55508b..ea8671f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -46,6 +46,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -66,6 +67,7 @@
* @objects: interval tree containing amdgpu_mn_nodes
* @read_lock: mutex for recursive locking of @lock
* @recursion: depth of recursion
+ * @mirror: HMM mirror function support
*
* Data for each amdgpu device and process address space.
*/
@@ -87,6 +89,9 @@ struct amdgpu_mn {
struct rb_root_cached objects;
struct mutexread_lock;
atomic_trecursion;
+
+ /* HMM mirror */
+ struct hmm_mirror mirror;
};
/**
@@ -103,7 +108,7 @@ struct amdgpu_mn_node {
};
/**
- * amdgpu_mn_destroy - destroy the MMU notifier
+ * amdgpu_mn_destroy - destroy the HMM mirror
*
* @work: previously sheduled work item
*
@@ -129,28 +134,27 @@ static void amdgpu_mn_destroy(struct work_struct *work)
}
up_write(>lock);
mutex_unlock(>mn_lock);
- mmu_notifier_unregister_no_release(>mn, amn->mm);
+
+ hmm_mirror_unregister(>mirror);
+
kfree(amn);
}
/**
* amdgpu_mn_release - callback to notify about mm destruction
*
- * @mn: our notifier
- * @mm: the mm this callback is about
+ * @mirror: the HMM mirror (mm) this callback is about
*
- * Shedule a work item to lazy destroy our notifier.
+ * Shedule a work item to lazy destroy HMM mirror.
*/
-static void amdgpu_mn_release(struct mmu_notifier *mn,
- struct mm_struct *mm)
+static void amdgpu_hmm_mirror_release(struct hmm_mirror *mirror)
{
- struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mirror, struct amdgpu_mn, mirror);
INIT_WORK(>work, amdgpu_mn_destroy);
schedule_work(>work);
}
-
/**
* amdgpu_mn_lock - take the write side lock for this notifier
*
@@ -355,12 +359,10 @@ static void amdgpu_mn_invalidate_range_end(struct
mmu_notifier *mn,
static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
[AMDGPU_MN_TYPE_GFX] = {
- .release = amdgpu_mn_release,
.invalidate_range_start = amdgpu_mn_invalidate_range_start_gfx,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
[AMDGPU_MN_TYPE_HSA] = {
- .release = amdgpu_mn_release,
.invalidate_range_start = amdgpu_mn_invalidate_range_start_hsa,
.invalidate_range_end = amdgpu_mn_invalidate_range_end,
},
@@ -373,12 +375,63 @@ static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
#define AMDGPU_MN_KEY(mm, type) ((unsigned long)(mm) + (type))
/**
- * amdgpu_mn_get - create notifier context
+ * amdgpu_hmm_sync_cpu_device_pagetables - synchronize CPU/GPU page tables
+ *
+ * @mirror: the hmm_mirror (mm) is about to update
