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545.23.06

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This commit is contained in:
Andy Ritger
2023-10-17 09:25:29 -07:00
parent f59818b751
commit b5bf85a8e3
917 changed files with 132480 additions and 110015 deletions
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43
kernel-open/nvidia/nv-mmap.c
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@@ -648,6 +648,16 @@ int nvidia_mmap_helper(
ret = nvidia_mmap_peer_io(vma, at, page_index, pages);
BUG_ON(NV_VMA_PRIVATE(vma));
if (ret)
{
return ret;
}
NV_PRINT_AT(NV_DBG_MEMINFO, at);
nv_vm_flags_set(vma, VM_IO);
nv_vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
}
else
{
@@ -661,17 +671,21 @@ int nvidia_mmap_helper(
NV_VMA_PRIVATE(vma) = at;
ret = nvidia_mmap_sysmem(vma, at, page_index, pages);
if (ret)
{
return ret;
}
NV_PRINT_AT(NV_DBG_MEMINFO, at);
//
// VM_MIXEDMAP will be set by vm_insert_page() in nvidia_mmap_sysmem().
// VM_SHARED is added to avoid any undesired copy-on-write effects.
//
nv_vm_flags_set(vma, VM_SHARED);
nv_vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
}
if (ret)
{
return ret;
}
NV_PRINT_AT(NV_DBG_MEMINFO, at);
nv_vm_flags_set(vma, VM_IO | VM_LOCKED | VM_RESERVED);
nv_vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
}
if ((prot & NV_PROTECT_WRITEABLE) == 0)
@@ -706,11 +720,16 @@ int nvidia_mmap(
return -EINVAL;
}
sp = nv_nvlfp_get_sp(nvlfp, NV_FOPS_STACK_INDEX_MMAP);
status = nv_kmem_cache_alloc_stack(&sp);
if (status != 0)
{
nv_printf(NV_DBG_ERRORS, "NVRM: Unable to allocate altstack for mmap\n");
return status;
}
status = nvidia_mmap_helper(nv, nvlfp, sp, vma, NULL);
nv_nvlfp_put_sp(nvlfp, NV_FOPS_STACK_INDEX_MMAP);
nv_kmem_cache_free_stack(sp);
return status;
}