diff options
Diffstat (limited to 'drivers/firmware/efi/libstub/x86-5lvl.c')
| -rw-r--r-- | drivers/firmware/efi/libstub/x86-5lvl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/firmware/efi/libstub/x86-5lvl.c b/drivers/firmware/efi/libstub/x86-5lvl.c index 77359e802181..c00d0ae7ed5d 100644 --- a/drivers/firmware/efi/libstub/x86-5lvl.c +++ b/drivers/firmware/efi/libstub/x86-5lvl.c @@ -62,11 +62,11 @@ efi_status_t efi_setup_5level_paging(void) void efi_5level_switch(void) { - bool want_la57 = IS_ENABLED(CONFIG_X86_5LEVEL) && !efi_no5lvl; + bool want_la57 = !efi_no5lvl; bool have_la57 = native_read_cr4() & X86_CR4_LA57; bool need_toggle = want_la57 ^ have_la57; u64 *pgt = (void *)la57_toggle + PAGE_SIZE; - u64 *cr3 = (u64 *)__native_read_cr3(); + pgd_t *cr3 = (pgd_t *)native_read_cr3_pa(); u64 *new_cr3; if (!la57_toggle || !need_toggle) @@ -82,7 +82,7 @@ void efi_5level_switch(void) new_cr3[0] = (u64)cr3 | _PAGE_TABLE_NOENC; } else { /* take the new root table pointer from the current entry #0 */ - new_cr3 = (u64 *)(cr3[0] & PAGE_MASK); + new_cr3 = (u64 *)(native_pgd_val(cr3[0]) & PTE_PFN_MASK); /* copy the new root table if it is not 32-bit addressable */ if ((u64)new_cr3 > U32_MAX) |
