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580.94.16

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This commit is contained in:
russellcnv
2026-01-22 14:46:29 -08:00
parent a3af2867b7
commit c273d84a8b
68 changed files with 160855 additions and 160151 deletions
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18
kernel-open/nvidia/nv-mmap.c
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@@ -72,7 +72,7 @@ nvidia_vma_open(struct vm_area_struct *vma)
if (at != NULL)
{
NV_ATOMIC_INC(at->usage_count);
atomic64_inc(&at->usage_count);
NV_PRINT_AT(NV_DBG_MEMINFO, at);
}
@@ -128,6 +128,9 @@ nvidia_vma_access(
void *kernel_mapping;
const nv_alloc_mapping_context_t *mmap_context = &nvlfp->mmap_context;
NvU64 offsInVma = addr - vma->vm_start;
NvBool bIsNuma = NV_FALSE;
bIsNuma = pfn_valid(mmap_context->access_start >> PAGE_SHIFT);
pageIndex = (offsInVma >> PAGE_SHIFT);
pageOffset = (offsInVma & ~PAGE_MASK);
@@ -164,10 +167,17 @@ nvidia_vma_access(
pageIndex = nv_array_index_no_speculate(pageIndex, at->num_pages);
kernel_mapping = (void *)(at->page_table[pageIndex].virt_addr + pageOffset);
}
else if (bIsNuma)
{
struct page *pPage = NV_GET_PAGE_STRUCT(mmap_context->page_array[pageIndex]);
NvU8 *pPagePtr = (NvU8 *) page_address(pPage);
kernel_mapping = &pPagePtr[pageOffset];
}
else
{
NvU64 idx = 0;
NvU64 curOffs = 0;
for(; idx < mmap_context->memArea.numRanges; idx++)
{
NvU64 nextOffs = mmap_context->memArea.pRanges[idx].size + curOffs;
@@ -195,7 +205,7 @@ found:
else
memcpy(buffer, kernel_mapping, length);
if (at == NULL)
if (at == NULL && !bIsNuma)
{
kernel_mapping = ((char *)kernel_mapping - pageOffset);
os_unmap_kernel_space(kernel_mapping, PAGE_SIZE);
@@ -408,7 +418,7 @@ static int nvidia_mmap_sysmem(
int ret = 0;
unsigned long start = 0;
NV_ATOMIC_INC(at->usage_count);
atomic64_inc(&at->usage_count);
start = vma->vm_start;
for (j = page_index; j < (page_index + pages); j++)
@@ -444,7 +454,7 @@ static int nvidia_mmap_sysmem(
if (ret)
{
NV_ATOMIC_DEC(at->usage_count);
atomic64_dec(&at->usage_count);
nv_printf(NV_DBG_ERRORS,
"NVRM: Userspace mapping creation failed [%d]!\n", ret);
return -EAGAIN;