diff options
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 03f0572f5b34..19feb6fe05b2 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -388,6 +388,13 @@ static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys, } while (pgdp++, addr = next, addr != end); } +#ifdef CONFIG_UNMAP_KERNEL_AT_EL0 +extern __alias(__create_pgd_mapping) +void create_kpti_ng_temp_pgd(pgd_t *pgdir, phys_addr_t phys, unsigned long virt, + phys_addr_t size, pgprot_t prot, + phys_addr_t (*pgtable_alloc)(int), int flags); +#endif + static phys_addr_t __pgd_pgtable_alloc(int shift) { void *ptr = (void *)__get_free_page(GFP_PGTABLE_KERNEL); @@ -663,13 +670,9 @@ static int __init map_entry_trampoline(void) __set_fixmap(FIX_ENTRY_TRAMP_TEXT1 - i, pa_start + i * PAGE_SIZE, prot); - if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) { - extern char __entry_tramp_data_start[]; - - __set_fixmap(FIX_ENTRY_TRAMP_DATA, - __pa_symbol(__entry_tramp_data_start), - PAGE_KERNEL_RO); - } + if (IS_ENABLED(CONFIG_RELOCATABLE)) + __set_fixmap(FIX_ENTRY_TRAMP_TEXT1 - i, + pa_start + i * PAGE_SIZE, PAGE_KERNEL_RO); return 0; } |