diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 5 | ||||
| -rw-r--r-- | arch/arm64/kernel/setup.c | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index b71086d25195..bfe632808d77 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -165,6 +165,11 @@ extern u64 kimage_vaddr; /* the offset between the kernel virtual and physical mappings */ extern u64 kimage_voffset; +static inline unsigned long kaslr_offset(void) +{ + return kimage_vaddr - KIMAGE_VADDR; +} + /* * Allow all memory at the discovery stage. We will clip it later. */ diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index a53f52ac81c6..b051367e2149 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -338,11 +338,11 @@ subsys_initcall(topology_init); static int dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p) { - u64 const kaslr_offset = kimage_vaddr - KIMAGE_VADDR; + const unsigned long offset = kaslr_offset(); - if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && kaslr_offset > 0) { - pr_emerg("Kernel Offset: 0x%llx from 0x%lx\n", - kaslr_offset, KIMAGE_VADDR); + if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && offset > 0) { + pr_emerg("Kernel Offset: 0x%lx from 0x%lx\n", + offset, KIMAGE_VADDR); } else { pr_emerg("Kernel Offset: disabled\n"); } |