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550.163.01

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This commit is contained in:
Bernhard Stoeckner
2025-04-17 17:48:53 +02:00
parent ca09591fbd
commit 23e9e76214
62 changed files with 780 additions and 292 deletions
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36
kernel-open/nvidia/nv.c
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@@ -1628,8 +1628,6 @@ static void nv_init_mapping_revocation(nv_linux_state_t *nvl,
nv_linux_file_private_t *nvlfp,
struct inode *inode)
{
down(&nvl->mmap_lock);
/* Set up struct address_space for use with unmap_mapping_range() */
address_space_init_once(&nvlfp->mapping);
nvlfp->mapping.host = inode;
@@ -1638,10 +1636,20 @@ static void nv_init_mapping_revocation(nv_linux_state_t *nvl,
nvlfp->mapping.backing_dev_info = inode->i_mapping->backing_dev_info;
#endif
file->f_mapping = &nvlfp->mapping;
}
/* Add nvlfp to list of open files in nvl for mapping revocation */
/* Adds nvlfp to list of open files for mapping revocation */
static void nv_add_open_file(nv_linux_state_t *nvl,
nv_linux_file_private_t *nvlfp)
{
nvlfp->nvptr = nvl;
/*
* nvl->open_files and other mapping revocation members in nv_linux_state_t
* are protected by nvl->mmap_lock instead of nvl->ldata_lock.
*/
down(&nvl->mmap_lock);
list_add(&nvlfp->entry, &nvl->open_files);
up(&nvl->mmap_lock);
}
@@ -1691,11 +1699,12 @@ static void nvidia_open_deferred(void *nvlfp_raw)
*/
down(&nvl->ldata_lock);
rc = nv_open_device_for_nvlfp(NV_STATE_PTR(nvl), nvlfp->sp, nvlfp);
up(&nvl->ldata_lock);
/* Set nvptr only upon success (where nvl->usage_count is incremented) */
/* Only add open file tracking where nvl->usage_count is incremented */
if (rc == 0)
nvlfp->nvptr = nvl;
nv_add_open_file(nvl, nvlfp);
up(&nvl->ldata_lock);
complete_all(&nvlfp->open_complete);
}
@@ -1814,6 +1823,7 @@ nvidia_open(
}
nv = NV_STATE_PTR(nvl);
nv_init_mapping_revocation(nvl, file, nvlfp, inode);
if (nv_try_lock_foreground_open(file, nvl) == 0)
{
@@ -1824,11 +1834,11 @@ nvidia_open(
rc = nv_open_device_for_nvlfp(nv, nvlfp->sp, nvlfp);
up(&nvl->ldata_lock);
/* Set nvptr only upon success (where nvl->usage_count is incremented) */
/* Only add open file tracking where nvl->usage_count is incremented */
if (rc == 0)
nvlfp->nvptr = nvl;
nv_add_open_file(nvl, nvlfp);
up(&nvl->ldata_lock);
complete_all(&nvlfp->open_complete);
}
@@ -1883,10 +1893,6 @@ failed:
NV_SET_FILE_PRIVATE(file, NULL);
}
}
else
{
nv_init_mapping_revocation(nvl, file, nvlfp, inode);
}
return rc;
}