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575.51.02

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This commit is contained in:
Bernhard Stoeckner
2025-04-17 19:35:38 +02:00
parent e8113f665d
commit 4159579888
1142 changed files with 309085 additions and 272273 deletions
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28
kernel-open/nvidia/nv-mmap.c
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@@ -161,16 +161,7 @@ nvidia_vma_access(
if (pageIndex >= at->num_pages)
return -EINVAL;
/*
* For PPC64LE build, nv_array_index_no_speculate() is not defined
* therefore call nv_speculation_barrier().
* When this definition is added, this platform check should be removed.
*/
#if !defined(NVCPU_PPC64LE)
pageIndex = nv_array_index_no_speculate(pageIndex, at->num_pages);
#else
nv_speculation_barrier();
#endif
kernel_mapping = (void *)(at->page_table[pageIndex]->virt_addr + pageOffset);
}
else
@@ -293,8 +284,7 @@ static vm_fault_t nvidia_fault(
NvU64 numPages = mmap_context->memArea.pRanges[idx].size >> PAGE_SHIFT;
while (numPages != 0)
{
ret = nv_insert_pfn(vma, curOffs + vma->vm_start, pfn,
mmap_context->remap_prot_extra);
ret = nv_insert_pfn(vma, curOffs + vma->vm_start, pfn);
if (ret != VM_FAULT_NOPAGE)
{
goto err;
@@ -407,7 +397,7 @@ static int nvidia_mmap_peer_io(
start = at->page_table[page_index]->phys_addr;
size = pages * PAGE_SIZE;
ret = nv_io_remap_page_range(vma, start, size, 0, vma->vm_start);
ret = nv_io_remap_page_range(vma, start, size, vma->vm_start);
return ret;
}
@@ -428,16 +418,7 @@ static int nvidia_mmap_sysmem(
start = vma->vm_start;
for (j = page_index; j < (page_index + pages); j++)
{
/*
* For PPC64LE build, nv_array_index_no_speculate() is not defined
* therefore call nv_speculation_barrier().
* When this definition is added, this platform check should be removed.
*/
#if !defined(NVCPU_PPC64LE)
j = nv_array_index_no_speculate(j, (page_index + pages));
#else
nv_speculation_barrier();
#endif
if (
#if defined(NV_VGPU_KVM_BUILD)
@@ -451,7 +432,7 @@ static int nvidia_mmap_sysmem(
else
{
if (at->flags.unencrypted)
vma->vm_page_prot = nv_adjust_pgprot(vma->vm_page_prot, 0);
vma->vm_page_prot = nv_adjust_pgprot(vma->vm_page_prot);
ret = vm_insert_page(vma, start,
NV_GET_PAGE_STRUCT(at->page_table[j]->phys_addr));
@@ -551,7 +532,6 @@ int nvidia_mmap_helper(
*/
if (!NV_IS_CTL_DEVICE(nv))
{
NvU32 remap_prot_extra = mmap_context->remap_prot_extra;
NvU64 access_start = mmap_context->access_start;
NvU64 access_len = mmap_context->access_size;
@@ -624,7 +604,7 @@ int nvidia_mmap_helper(
if (nv_io_remap_page_range(vma,
mmap_context->memArea.pRanges[idx].start,
mmap_context->memArea.pRanges[idx].size,
remap_prot_extra, vma->vm_start + curOffs) != 0)
vma->vm_start + curOffs) != 0)
{
up(&nvl->mmap_lock);
return -EAGAIN;