diff options
Diffstat (limited to 'drivers/firmware/efi/arm-runtime.c')
| -rw-r--r-- | drivers/firmware/efi/arm-runtime.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index 1cc41c3d6315..5889cbea60b8 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -31,15 +31,6 @@ extern u64 efi_system_table; -static struct mm_struct efi_mm = { - .mm_rb = RB_ROOT, - .mm_users = ATOMIC_INIT(2), - .mm_count = ATOMIC_INIT(1), - .mmap_sem = __RWSEM_INITIALIZER(efi_mm.mmap_sem), - .page_table_lock = __SPIN_LOCK_UNLOCKED(efi_mm.page_table_lock), - .mmlist = LIST_HEAD_INIT(efi_mm.mmlist), -}; - #ifdef CONFIG_ARM64_PTDUMP_DEBUGFS #include <asm/ptdump.h> @@ -54,6 +45,9 @@ static struct ptdump_info efi_ptdump_info = { static int __init ptdump_init(void) { + if (!efi_enabled(EFI_RUNTIME_SERVICES)) + return 0; + return ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables"); } device_initcall(ptdump_init); @@ -80,10 +74,7 @@ static bool __init efi_virtmap_init(void) return false; ret = efi_create_mapping(&efi_mm, md); - if (!ret) { - pr_info(" EFI remap %pa => %p\n", - &phys, (void *)(unsigned long)md->virt_addr); - } else { + if (ret) { pr_warn(" EFI remap %pa: failed to create mapping (%d)\n", &phys, ret); return false; |