From: Ard Biesheuvel Date: Tue, 16 Jun 2020 10:53:30 +0000 (+0200) Subject: efi/libstub: arm: Omit arch specific config table matching array on arm64 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=62956be8f95b93e9f91ffe2e5aa9c0e411af5a14;p=linux.git efi/libstub: arm: Omit arch specific config table matching array on arm64 On arm64, the EFI stub is built into the kernel proper, and so the stub can refer to its symbols directly. Therefore, the practice of using EFI configuration tables to pass information between them is never needed, so we can omit any code consuming such tables when building for arm64. Signed-off-by: Ard Biesheuvel Reviewed-by: Leif Lindholm --- diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index c697e70ca7e74..6f4baf70db16b 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -62,7 +62,8 @@ static void __init init_screen_info(void) { struct screen_info *si; - if (screen_info_table != EFI_INVALID_TABLE_ADDR) { + if (IS_ENABLED(CONFIG_ARM) && + screen_info_table != EFI_INVALID_TABLE_ADDR) { si = early_memremap_ro(screen_info_table, sizeof(*si)); if (!si) { pr_err("Could not map screen_info config table\n"); @@ -116,7 +117,8 @@ static int __init uefi_init(u64 efi_system_table) goto out; } retval = efi_config_parse_tables(config_tables, systab->nr_tables, - arch_tables); + IS_ENABLED(CONFIG_ARM) ? arch_tables + : NULL); early_memunmap(config_tables, table_size); out: