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path: root/drivers/firmware/efi/libstub/x86-5lvl.c
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Diffstat (limited to 'drivers/firmware/efi/libstub/x86-5lvl.c')
-rw-r--r--drivers/firmware/efi/libstub/x86-5lvl.c6
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)