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580.82.07

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This commit is contained in:
Maneet Singh
2025-09-02 10:35:52 -07:00
parent 288f16e614
commit 6387af3092
67 changed files with 1665 additions and 838 deletions
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10
kernel-open/common/inc/nv-linux.h
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@@ -827,6 +827,10 @@ extern void *nvidia_stack_t_cache;
* d50d82faa0c964e31f7a946ba8aba7c715ca7ab0 (4.18) fixes this issue by cleaning
* up sysfs entry within slab_mutex, so the entry is deleted before a cache with
* the same attributes could be created.
* The definition for sysfs_slab_unlink() was moved to mm/slab.h in commit
* 19975f83412f ("mm/slab: move the rest of slub_def.h to mm/slab.h") (6.8).
* Since we can't conftest mm/slab.h, use the fact that linux/slub_def.h was
* removed by the commit.
*
* To workaround this kernel issue, we take two steps:
* - Create unmergeable caches: a kmem_cache with a constructor is unmergeable.
@@ -838,7 +842,7 @@ extern void *nvidia_stack_t_cache;
* wait for the timestamp to increment by at least one to ensure that we do
* not hit a name conflict in cache create -> destroy (async) -> create cycle.
*/
#if !defined(NV_SYSFS_SLAB_UNLINK_PRESENT)
#if !defined(NV_SYSFS_SLAB_UNLINK_PRESENT) && defined(NV_LINUX_SLUB_DEF_H_PRESENT)
static inline void nv_kmem_ctor_dummy(void *arg)
{
(void)arg;
@@ -866,7 +870,7 @@ static inline void nv_kmem_ctor_dummy(void *arg)
static inline void *nv_kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags)
{
#if !defined(NV_SYSFS_SLAB_UNLINK_PRESENT)
#if !defined(NV_SYSFS_SLAB_UNLINK_PRESENT) && defined(NV_LINUX_SLUB_DEF_H_PRESENT)
/*
* We cannot call kmem_cache_zalloc directly as it adds the __GFP_ZERO
* flag. This flag together with the presence of a slab constructor is
@@ -1577,7 +1581,7 @@ static inline struct kmem_cache *nv_kmem_cache_create(const char *name, unsigned
char *name_unique;
struct kmem_cache *cache;
#if !defined(NV_SYSFS_SLAB_UNLINK_PRESENT)
#if !defined(NV_SYSFS_SLAB_UNLINK_PRESENT) && defined(NV_LINUX_SLUB_DEF_H_PRESENT)
size_t len;
NvU64 tm_ns = nv_ktime_get_raw_ns();