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555.52.04

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This commit is contained in:
Bernhard Stoeckner
2024-06-05 09:39:46 +02:00
parent 5a1c474040
commit 78d807e001
36 changed files with 1140 additions and 487 deletions
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3
kernel-open/nvidia/nvidia.Kbuild
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@@ -161,7 +161,7 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_enable_atomic_ops_to_root
NV_CONFTEST_FUNCTION_COMPILE_TESTS += vga_tryget
NV_CONFTEST_FUNCTION_COMPILE_TESTS += cc_platform_has
NV_CONFTEST_FUNCTION_COMPILE_TESTS += seq_read_iter
NV_CONFTEST_FUNCTION_COMPILE_TESTS += unsafe_follow_pfn
NV_CONFTEST_FUNCTION_COMPILE_TESTS += follow_pfn
NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_gem_object_get
NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_gem_object_put_unlocked
NV_CONFTEST_FUNCTION_COMPILE_TESTS += add_memory_driver_managed
@@ -231,6 +231,7 @@ NV_CONFTEST_SYMBOL_COMPILE_TESTS += is_export_symbol_present_memory_block_size_b
NV_CONFTEST_SYMBOL_COMPILE_TESTS += is_export_symbol_present_tegra_platform_is_fpga
NV_CONFTEST_SYMBOL_COMPILE_TESTS += is_export_symbol_present_tegra_platform_is_sim
NV_CONFTEST_SYMBOL_COMPILE_TESTS += crypto
NV_CONFTEST_SYMBOL_COMPILE_TESTS += is_export_symbol_present_follow_pte
NV_CONFTEST_TYPE_COMPILE_TESTS += dma_ops
NV_CONFTEST_TYPE_COMPILE_TESTS += swiotlb_dma_ops

24
kernel-open/nvidia/os-mlock.c
View File

@@ -36,10 +36,28 @@ static inline int nv_follow_pfn(struct vm_area_struct *vma,
unsigned long address,
unsigned long *pfn)
{
#if defined(NV_UNSAFE_FOLLOW_PFN_PRESENT)
return unsafe_follow_pfn(vma, address, pfn);
#else
#if defined(NV_FOLLOW_PFN_PRESENT)
return follow_pfn(vma, address, pfn);
#else
#if NV_IS_EXPORT_SYMBOL_PRESENT_follow_pte
int status = 0;
spinlock_t *ptl;
pte_t *ptep;
if (!(vma->vm_flags & (VM_IO | VM_PFNMAP)))
return status;
status = follow_pte(vma, address, &ptep, &ptl);
if (status)
return status;
*pfn = pte_pfn(ptep_get(ptep));
// The lock is acquired inside follow_pte()
pte_unmap_unlock(ptep, ptl);
return 0;
#else // NV_IS_EXPORT_SYMBOL_PRESENT_follow_pte
return -1;
#endif // NV_IS_EXPORT_SYMBOL_PRESENT_follow_pte
#endif
}