diff options
Diffstat (limited to 'arch/x86/boot/compressed/kaslr.c')
| -rw-r--r-- | arch/x86/boot/compressed/kaslr.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index 6de58f1bd7ec..eb5ff66b4d7a 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -460,10 +460,17 @@ void choose_random_location(unsigned long input, add_identity_map(random_addr, output_size); *output = random_addr; } + + /* + * This loads the identity mapping page table. + * This should only be done if a new physical address + * is found for the kernel, otherwise we should keep + * the old page table to make it be like the "nokaslr" + * case. + */ + finalize_identity_maps(); } - /* This actually loads the identity pagetable on x86_64. */ - finalize_identity_maps(); /* Pick random virtual address starting from LOAD_PHYSICAL_ADDR. */ if (IS_ENABLED(CONFIG_X86_64)) |