diff options
Diffstat (limited to 'arch/arm64/kernel/setup.c')
| -rw-r--r-- | arch/arm64/kernel/setup.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index d1e01e6498bb..cd4eb7ee618c 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -63,7 +63,6 @@ #include <asm/memblock.h> #include <asm/efi.h> #include <asm/xen/hypervisor.h> -#include <asm/mmu_context.h> unsigned int boot_reason; EXPORT_SYMBOL(boot_reason); @@ -328,12 +327,6 @@ void __init setup_arch(char **cmdline_p) */ local_async_enable(); - /* - * TTBR0 is only used for the identity mapping at this stage. Make it - * point to zero page to avoid speculatively fetching new entries. - */ - cpu_uninstall_idmap(); - efi_init(); arm64_memblock_init(); @@ -409,32 +402,3 @@ void arch_setup_pdev_archdata(struct platform_device *pdev) pdev->archdata.dma_mask = DMA_BIT_MASK(32); pdev->dev.dma_mask = &pdev->archdata.dma_mask; } - -/* - * Dump out kernel offset information on panic. - */ -static int dump_kernel_offset(struct notifier_block *self, unsigned long v, - void *p) -{ - u64 const kaslr_offset = kimage_vaddr - KIMAGE_VADDR; - - if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && kaslr_offset > 0) { - pr_emerg("Kernel Offset: 0x%llx from 0x%lx\n", - kaslr_offset, KIMAGE_VADDR); - } else { - pr_emerg("Kernel Offset: disabled\n"); - } - return 0; -} - -static struct notifier_block kernel_offset_notifier = { - .notifier_call = dump_kernel_offset -}; - -static int __init register_kernel_offset_dumper(void) -{ - atomic_notifier_chain_register(&panic_notifier_list, - &kernel_offset_notifier); - return 0; -} -__initcall(register_kernel_offset_dumper); |