diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-10-17 23:23:25 +0200 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-10-18 11:24:37 +0200 |
| commit | 1e2dd572d2b773b5b8882aae66e5f0328d562aa9 (patch) | |
| tree | b21207658b9a16b758b92d212680f0766a12577a /arch/x86 | |
| parent | x86/boot/32: Disable stackprotector and tracing for mk_early_pgtbl_32() (diff) | |
| download | linux-1e2dd572d2b773b5b8882aae66e5f0328d562aa9.tar.xz linux-1e2dd572d2b773b5b8882aae66e5f0328d562aa9.zip | |
x86/boot: Use __pa_nodebug() in mk_early_pgtbl_32()
Use the existing macro instead of undefining and redefining __pa().
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20231017211722.051625827@linutronix.de
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/head32.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index bf678d6f4359..8fe0dd38fff0 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -73,25 +73,21 @@ void __init mk_early_pgtbl_32(void); void __init __no_stack_protector mk_early_pgtbl_32(void) { -#ifdef __pa -#undef __pa -#endif -#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET) pte_t pte, *ptep; int i; unsigned long *ptr; /* Enough space to fit pagetables for the low memory linear map */ - const unsigned long limit = __pa(_end) + + const unsigned long limit = __pa_nodebug(_end) + (PAGE_TABLE_SIZE(LOWMEM_PAGES) << PAGE_SHIFT); #ifdef CONFIG_X86_PAE - pmd_t pl2, *pl2p = (pmd_t *)__pa(initial_pg_pmd); + pmd_t pl2, *pl2p = (pmd_t *)__pa_nodebug(initial_pg_pmd); #define SET_PL2(pl2, val) { (pl2).pmd = (val); } #else - pgd_t pl2, *pl2p = (pgd_t *)__pa(initial_page_table); + pgd_t pl2, *pl2p = (pgd_t *)__pa_nodebug(initial_page_table); #define SET_PL2(pl2, val) { (pl2).pgd = (val); } #endif - ptep = (pte_t *)__pa(__brk_base); + ptep = (pte_t *)__pa_nodebug(__brk_base); pte.pte = PTE_IDENT_ATTR; while ((pte.pte & PTE_PFN_MASK) < limit) { @@ -111,11 +107,11 @@ void __init __no_stack_protector mk_early_pgtbl_32(void) pl2p++; } - ptr = (unsigned long *)__pa(&max_pfn_mapped); + ptr = (unsigned long *)__pa_nodebug(&max_pfn_mapped); /* Can't use pte_pfn() since it's a call with CONFIG_PARAVIRT */ *ptr = (pte.pte & PTE_PFN_MASK) >> PAGE_SHIFT; - ptr = (unsigned long *)__pa(&_brk_end); + ptr = (unsigned long *)__pa_nodebug(&_brk_end); *ptr = (unsigned long)ptep + PAGE_OFFSET; } |