diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2025-08-28 12:22:14 +0200 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-09-03 17:59:40 +0200 |
| commit | f27906b287403af53be26341cf86d73798f15fe8 (patch) | |
| tree | 4aa424501094567dfcea3bfb26b2684e0ae9e994 | |
| parent | 68a501d7fd82454525797971c6a0005ceeb93153 (diff) | |
x86/boot: Provide PIC aliases for 5-level paging related constants
Provide PIC aliases for the global variables related to 5-level paging, so
that the startup code can access them in order to populate the kernel page
tables.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250828102202.1849035-35-ardb+git@google.com
| -rw-r--r-- | arch/x86/kernel/head64.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 533fcf5636fc..1bc40d0785ee 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -52,10 +52,13 @@ SYM_PIC_ALIAS(next_early_pgt); pmdval_t early_pmd_flags = __PAGE_KERNEL_LARGE & ~(_PAGE_GLOBAL | _PAGE_NX); unsigned int __pgtable_l5_enabled __ro_after_init; +SYM_PIC_ALIAS(__pgtable_l5_enabled); unsigned int pgdir_shift __ro_after_init = 39; EXPORT_SYMBOL(pgdir_shift); +SYM_PIC_ALIAS(pgdir_shift); unsigned int ptrs_per_p4d __ro_after_init = 1; EXPORT_SYMBOL(ptrs_per_p4d); +SYM_PIC_ALIAS(ptrs_per_p4d); unsigned long page_offset_base __ro_after_init = __PAGE_OFFSET_BASE_L4; EXPORT_SYMBOL(page_offset_base); |