The 'nr_config_table' and 'config_table' (alreay in efi structure) in efi structure provide a way for some driver(e.g. capsule-pstore goes through the configuration table to extract crash capsules to aid in debugging) iterates over the EFI configuration table array.
Signed-off-by: Qiuxu Zhuo <[email protected]> --- arch/x86/platform/efi/efi.c | 1 + drivers/firmware/efi/efi.c | 1 + include/linux/efi.h | 1 + 3 files changed, 3 insertions(+) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 7e76a4d..bcda1b9 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -498,6 +498,7 @@ void __init efi_init(void) return; efi.config_table = (unsigned long)efi.systab->tables; + efi.nr_config_table = (unsigned long)efi.systab->nr_tables; efi.fw_vendor = (unsigned long)efi.systab->fw_vendor; efi.runtime = (unsigned long)efi.systab->runtime; diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index b372aad..b511197 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -48,6 +48,7 @@ struct efi __read_mostly efi = { .fw_vendor = EFI_INVALID_TABLE_ADDR, .runtime = EFI_INVALID_TABLE_ADDR, .config_table = EFI_INVALID_TABLE_ADDR, + .nr_config_table = EFI_INVALID_TABLE_ADDR, .esrt = EFI_INVALID_TABLE_ADDR, .properties_table = EFI_INVALID_TABLE_ADDR, .mem_attr_table = EFI_INVALID_TABLE_ADDR, diff --git a/include/linux/efi.h b/include/linux/efi.h index ec36f42..bd5ff8f 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -892,6 +892,7 @@ extern struct efi { unsigned long fw_vendor; /* fw_vendor */ unsigned long runtime; /* runtime table */ unsigned long config_table; /* config tables */ + unsigned long nr_config_table; unsigned long esrt; /* ESRT table */ unsigned long properties_table; /* properties table */ unsigned long mem_attr_table; /* memory attributes table */ -- 2.9.0.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
