diff options
Diffstat (limited to 'arch/x86/kernel/head_64.S')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 09b38d539b09..53e5820d6054 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S | |||
| @@ -107,8 +107,13 @@ startup_64: | |||
| 107 | movq %rdx, 0(%rbx, %rax, 8) | 107 | movq %rdx, 0(%rbx, %rax, 8) |
| 108 | ident_complete: | 108 | ident_complete: |
| 109 | 109 | ||
| 110 | /* Fixup the kernel text+data virtual addresses | 110 | /* |
| 111 | * Fixup the kernel text+data virtual addresses. Note that | ||
| 112 | * we might write invalid pmds, when the kernel is relocated | ||
| 113 | * cleanup_highmap() fixes this up along with the mappings | ||
| 114 | * beyond _end. | ||
| 111 | */ | 115 | */ |
| 116 | |||
| 112 | leaq level2_kernel_pgt(%rip), %rdi | 117 | leaq level2_kernel_pgt(%rip), %rdi |
| 113 | leaq 4096(%rdi), %r8 | 118 | leaq 4096(%rdi), %r8 |
| 114 | /* See if it is a valid page table entry */ | 119 | /* See if it is a valid page table entry */ |