From b5e804598d594934407a1a8548d7b65341fe2617 Mon Sep 17 00:00:00 2001 From: Vasily Gorbik Date: Wed, 27 Feb 2019 16:52:42 +0100 Subject: s390: allow overriding facilities via command line Add "facilities=" command line option which allows to override facility bits returned by stfle. The main purpose of that is debugging aids which allows to test specific kernel behaviour depending on specific facilities presence. It also affects CPU alternatives. "facilities=" command line option format is comma separated list of integer values to be additionally set or cleared (if value is starting with "!"). Values ranges are also supported. e.g.: facilities=!130-160,159,167-169 Reviewed-by: Heiko Carstens Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky --- arch/s390/boot/boot.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/s390/boot/boot.h') diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h index fc41e2277ea8..8665497fd335 100644 --- a/arch/s390/boot/boot.h +++ b/arch/s390/boot/boot.h @@ -6,6 +6,7 @@ void startup_kernel(void); void detect_memory(void); void store_ipl_parmblock(void); void setup_boot_command_line(void); +void parse_boot_command_line(void); void setup_memory_end(void); #endif /* BOOT_BOOT_H */ -- cgit v1.2.3