diff options
Diffstat (limited to 'arch/x86/kernel/head_64.S')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 09b38d5..eb41504 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -107,8 +107,13 @@ startup_64: movq %rdx, 0(%rbx, %rax, 8) ident_complete: - /* Fixup the kernel text+data virtual addresses + /* + * Fixup the kernel text+data virtual addresses. Note that + * we might write invalid pmds, when the kernel is relocated + * cleanup_highmap() fixes this up along with the mappings + * beyond _end. */ + leaq level2_kernel_pgt(%rip), %rdi leaq 4096(%rdi), %r8 /* See if it is a valid page table entry */ @@ -250,7 +255,7 @@ ENTRY(secondary_startup_64) lretq /* SMP bootup changes these two */ - __CPUINITDATA + __REFDATA .align 8 ENTRY(initial_code) .quad x86_64_start_kernel |