Displaying 20 results from an estimated 20 matches for "mmu_notify_soft_dirty".
2020 Jul 10
1
[PATCH 3/5] mm/notifier: add migration invalidation type
...te_vma_collect() invalidate to signal
> + * a device driver to possibly ignore the invalidation if the src_own
> + * field matches.
> */
> enum mmu_notifier_event {
> MMU_NOTIFY_UNMAP = 0,
> @@ -46,6 +50,7 @@ enum mmu_notifier_event {
> MMU_NOTIFY_PROTECTION_PAGE,
> MMU_NOTIFY_SOFT_DIRTY,
> MMU_NOTIFY_RELEASE,
> + MMU_NOTIFY_MIGRATE,
> };
>
> #define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
> @@ -264,6 +269,7 @@ struct mmu_notifier_range {
> unsigned long end;
> unsigned flags;
> enum mmu_notifier_event event;
> + void *data;
> };
T...
2020 Jul 20
1
[PATCH v2 3/5] mm/notifier: add migration invalidation type
...driver to possibly ignore the invalidation if the
> + * migrate_pgmap_owner field matches the driver's device private pgmap owner.
> */
> enum mmu_notifier_event {
> MMU_NOTIFY_UNMAP = 0,
> @@ -46,6 +50,7 @@ enum mmu_notifier_event {
> MMU_NOTIFY_PROTECTION_PAGE,
> MMU_NOTIFY_SOFT_DIRTY,
> MMU_NOTIFY_RELEASE,
> + MMU_NOTIFY_MIGRATE,
> };
>
> #define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
> @@ -264,6 +269,7 @@ struct mmu_notifier_range {
> unsigned long end;
> unsigned flags;
> enum mmu_notifier_event event;
> + void *migrate_pgmap_own...
2020 Jul 10
0
[PATCH 3/5] mm/notifier: add migration invalidation type
...>> + * a device driver to possibly ignore the invalidation if the src_own
>> + * field matches.
>> */
>> enum mmu_notifier_event {
>> MMU_NOTIFY_UNMAP = 0,
>> @@ -46,6 +50,7 @@ enum mmu_notifier_event {
>> MMU_NOTIFY_PROTECTION_PAGE,
>> MMU_NOTIFY_SOFT_DIRTY,
>> MMU_NOTIFY_RELEASE,
>> + MMU_NOTIFY_MIGRATE,
>> };
>>
>> #define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
>> @@ -264,6 +269,7 @@ struct mmu_notifier_range {
>> unsigned long end;
>> unsigned flags;
>> enum mmu_notifier_...
2020 Jul 13
0
[PATCH v2 3/5] mm/notifier: add migration invalidation type
...invalidate to signal
+ * a device driver to possibly ignore the invalidation if the
+ * migrate_pgmap_owner field matches the driver's device private pgmap owner.
*/
enum mmu_notifier_event {
MMU_NOTIFY_UNMAP = 0,
@@ -46,6 +50,7 @@ enum mmu_notifier_event {
MMU_NOTIFY_PROTECTION_PAGE,
MMU_NOTIFY_SOFT_DIRTY,
MMU_NOTIFY_RELEASE,
+ MMU_NOTIFY_MIGRATE,
};
#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
@@ -264,6 +269,7 @@ struct mmu_notifier_range {
unsigned long end;
unsigned flags;
enum mmu_notifier_event event;
+ void *migrate_pgmap_owner;
};
static inline int mm_has_notifiers(stru...
2020 Jul 06
0
[PATCH 3/5] mm/notifier: add migration invalidation type
...* @MMU_NOTIFY_MIGRATE: used during migrate_vma_collect() invalidate to signal
+ * a device driver to possibly ignore the invalidation if the src_own
+ * field matches.
*/
enum mmu_notifier_event {
MMU_NOTIFY_UNMAP = 0,
@@ -46,6 +50,7 @@ enum mmu_notifier_event {
MMU_NOTIFY_PROTECTION_PAGE,
MMU_NOTIFY_SOFT_DIRTY,
MMU_NOTIFY_RELEASE,
+ MMU_NOTIFY_MIGRATE,
};
#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
@@ -264,6 +269,7 @@ struct mmu_notifier_range {
unsigned long end;
unsigned flags;
enum mmu_notifier_event event;
+ void *data;
};
static inline int mm_has_notifiers(struct mm_struct *m...
2019 Oct 28
0
[PATCH v2 01/15] mm/mmu_notifier: define the header pre-processor parts even if disabled
...8 +7,9 @@
#include <linux/mm_types.h>
#include <linux/srcu.h>
+struct mmu_notifier_mm;
struct mmu_notifier;
-struct mmu_notifier_ops;
+struct mmu_notifier_range;
/**
* enum mmu_notifier_event - reason for the mmu notifier callback
@@ -40,36 +41,8 @@ enum mmu_notifier_event {
MMU_NOTIFY_SOFT_DIRTY,
};
-#ifdef CONFIG_MMU_NOTIFIER
-
-#ifdef CONFIG_LOCKDEP
-extern struct lockdep_map __mmu_notifier_invalidate_range_start_map;
-#endif
-
-/*
- * The mmu notifier_mm structure is allocated and installed in
- * mm->mmu_notifier_mm inside the mm_take_all_locks() protected
- * critical section an...
2019 Nov 12
0
[PATCH v3 01/14] mm/mmu_notifier: define the header pre-processor parts even if disabled
...8 +7,9 @@
#include <linux/mm_types.h>
#include <linux/srcu.h>
+struct mmu_notifier_mm;
struct mmu_notifier;
-struct mmu_notifier_ops;
+struct mmu_notifier_range;
/**
* enum mmu_notifier_event - reason for the mmu notifier callback
@@ -40,36 +41,8 @@ enum mmu_notifier_event {
MMU_NOTIFY_SOFT_DIRTY,
};
-#ifdef CONFIG_MMU_NOTIFIER
-
-#ifdef CONFIG_LOCKDEP
-extern struct lockdep_map __mmu_notifier_invalidate_range_start_map;
-#endif
-
-/*
- * The mmu notifier_mm structure is allocated and installed in
- * mm->mmu_notifier_mm inside the mm_take_all_locks() protected
- * critical section an...
2020 Jul 21
0
[PATCH v3 3/5] mm/notifier: add migration invalidation type
...invalidate to signal
+ * a device driver to possibly ignore the invalidation if the
+ * migrate_pgmap_owner field matches the driver's device private pgmap owner.
*/
enum mmu_notifier_event {
MMU_NOTIFY_UNMAP = 0,
@@ -46,6 +50,7 @@ enum mmu_notifier_event {
MMU_NOTIFY_PROTECTION_PAGE,
MMU_NOTIFY_SOFT_DIRTY,
MMU_NOTIFY_RELEASE,
+ MMU_NOTIFY_MIGRATE,
};
#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
@@ -264,6 +269,7 @@ struct mmu_notifier_range {
unsigned long end;
unsigned flags;
enum mmu_notifier_event event;
+ void *migrate_pgmap_owner;
};
static inline int mm_has_notifiers(stru...
2020 Jul 23
0
[PATCH v4 3/6] mm/notifier: add migration invalidation type
...invalidate to signal
+ * a device driver to possibly ignore the invalidation if the
+ * migrate_pgmap_owner field matches the driver's device private pgmap owner.
*/
enum mmu_notifier_event {
MMU_NOTIFY_UNMAP = 0,
@@ -46,6 +50,7 @@ enum mmu_notifier_event {
MMU_NOTIFY_PROTECTION_PAGE,
MMU_NOTIFY_SOFT_DIRTY,
MMU_NOTIFY_RELEASE,
+ MMU_NOTIFY_MIGRATE,
};
#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
@@ -264,6 +269,7 @@ struct mmu_notifier_range {
unsigned long end;
unsigned flags;
enum mmu_notifier_event event;
+ void *migrate_pgmap_owner;
};
static inline int mm_has_notifiers(stru...
2019 Nov 05
1
[PATCH v2 01/15] mm/mmu_notifier: define the header pre-processor parts even if disabled
...lude <linux/srcu.h>
>
> +struct mmu_notifier_mm;
> struct mmu_notifier;
> -struct mmu_notifier_ops;
> +struct mmu_notifier_range;
>
> /**
> * enum mmu_notifier_event - reason for the mmu notifier callback
> @@ -40,36 +41,8 @@ enum mmu_notifier_event {
> MMU_NOTIFY_SOFT_DIRTY,
> };
>
> -#ifdef CONFIG_MMU_NOTIFIER
> -
> -#ifdef CONFIG_LOCKDEP
> -extern struct lockdep_map __mmu_notifier_invalidate_range_start_map;
> -#endif
> -
> -/*
> - * The mmu notifier_mm structure is allocated and installed in
> - * mm->mmu_notifier_mm inside th...
2020 Jul 06
8
[PATCH 0/5] mm/migrate: avoid device private invalidations
The goal for this series is to avoid device private memory TLB
invalidations when migrating a range of addresses from system
memory to device private memory and some of those pages have already
been migrated. The approach taken is to introduce a new mmu notifier
invalidation event type and use that in the device driver to skip
invalidation callbacks from migrate_vma_setup(). The device driver is
2020 Jul 13
9
[PATCH v2 0/5] mm/migrate: avoid device private invalidations
The goal for this series is to avoid device private memory TLB
invalidations when migrating a range of addresses from system
memory to device private memory and some of those pages have already
been migrated. The approach taken is to introduce a new mmu notifier
invalidation event type and use that in the device driver to skip
invalidation callbacks from migrate_vma_setup(). The device driver is
2019 Nov 07
0
[PATCH v2 02/15] mm/mmu_notifier: add an interval tree notifier
...; + * the mm refcount is zero and the range is no longer accessible.
> > */
> > enum mmu_notifier_event {
> > MMU_NOTIFY_UNMAP = 0,
> > @@ -39,6 +44,7 @@ enum mmu_notifier_event {
> > MMU_NOTIFY_PROTECTION_VMA,
> > MMU_NOTIFY_PROTECTION_PAGE,
> > MMU_NOTIFY_SOFT_DIRTY,
> > + MMU_NOTIFY_RELEASE,
> > };
>
>
> OK, let the naming debates begin! ha. Anyway, after careful study of the overall
> patch, and some browsing of the larger patchset, it's clear that:
>
> * The new "MMU range notifier" that you've created is,...
2020 Jul 21
6
[PATCH v3 0/5] mm/migrate: avoid device private invalidations
The goal for this series is to avoid device private memory TLB
invalidations when migrating a range of addresses from system
memory to device private memory and some of those pages have already
been migrated. The approach taken is to introduce a new mmu notifier
invalidation event type and use that in the device driver to skip
invalidation callbacks from migrate_vma_setup(). The device driver is
2019 Oct 28
0
[PATCH v2 02/15] mm/mmu_notifier: add an interval tree notifier
...OTIFY_RELEASE: used during mmu_range_notifier invalidate to signal that
+ * the mm refcount is zero and the range is no longer accessible.
*/
enum mmu_notifier_event {
MMU_NOTIFY_UNMAP = 0,
@@ -39,6 +44,7 @@ enum mmu_notifier_event {
MMU_NOTIFY_PROTECTION_VMA,
MMU_NOTIFY_PROTECTION_PAGE,
MMU_NOTIFY_SOFT_DIRTY,
+ MMU_NOTIFY_RELEASE,
};
#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
@@ -222,6 +228,26 @@ struct mmu_notifier {
unsigned int users;
};
+/**
+ * struct mmu_range_notifier_ops
+ * @invalidate: Upon return the caller must stop using any SPTEs within this
+ * range, this...
2019 Nov 12
0
[PATCH v3 02/14] mm/mmu_notifier: add an interval tree notifier
...FY_RELEASE: used during mmu_interval_notifier invalidate to signal
+ * that the mm refcount is zero and the range is no longer accessible.
*/
enum mmu_notifier_event {
MMU_NOTIFY_UNMAP = 0,
@@ -39,6 +44,7 @@ enum mmu_notifier_event {
MMU_NOTIFY_PROTECTION_VMA,
MMU_NOTIFY_PROTECTION_PAGE,
MMU_NOTIFY_SOFT_DIRTY,
+ MMU_NOTIFY_RELEASE,
};
#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
@@ -222,6 +228,26 @@ struct mmu_notifier {
unsigned int users;
};
+/**
+ * struct mmu_interval_notifier_ops
+ * @invalidate: Upon return the caller must stop using any SPTEs within this
+ * range. Th...
2019 Nov 07
5
[PATCH v2 02/15] mm/mmu_notifier: add an interval tree notifier
...ifier invalidate to signal that
> + * the mm refcount is zero and the range is no longer accessible.
> */
> enum mmu_notifier_event {
> MMU_NOTIFY_UNMAP = 0,
> @@ -39,6 +44,7 @@ enum mmu_notifier_event {
> MMU_NOTIFY_PROTECTION_VMA,
> MMU_NOTIFY_PROTECTION_PAGE,
> MMU_NOTIFY_SOFT_DIRTY,
> + MMU_NOTIFY_RELEASE,
> };
OK, let the naming debates begin! ha. Anyway, after careful study of the overall
patch, and some browsing of the larger patchset, it's clear that:
* The new "MMU range notifier" that you've created is, approximately, a new
object. It uses cl...
2020 Jul 23
9
[PATCH v4 0/6] mm/migrate: avoid device private invalidations
The goal for this series is to avoid device private memory TLB
invalidations when migrating a range of addresses from system
memory to device private memory and some of those pages have already
been migrated. The approach taken is to introduce a new mmu notifier
invalidation event type and use that in the device driver to skip
invalidation callbacks from migrate_vma_setup(). The device driver is
2019 Oct 28
32
[PATCH v2 00/15] Consolidate the mmu notifier interval_tree and locking
From: Jason Gunthorpe <jgg at mellanox.com>
8 of the mmu_notifier using drivers (i915_gem, radeon_mn, umem_odp, hfi1,
scif_dma, vhost, gntdev, hmm) drivers are using a common pattern where
they only use invalidate_range_start/end and immediately check the
invalidating range against some driver data structure to tell if the
driver is interested. Half of them use an interval_tree, the others
2019 Nov 12
20
[PATCH hmm v3 00/14] Consolidate the mmu notifier interval_tree and locking
From: Jason Gunthorpe <jgg at mellanox.com>
8 of the mmu_notifier using drivers (i915_gem, radeon_mn, umem_odp, hfi1,
scif_dma, vhost, gntdev, hmm) drivers are using a common pattern where
they only use invalidate_range_start/end and immediately check the
invalidating range against some driver data structure to tell if the
driver is interested. Half of them use an interval_tree, the others