diff options
Diffstat (limited to 'arch/s390/boot')
| -rw-r--r-- | arch/s390/boot/startup.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index 95d13a252ed9..eeda91fcf7cc 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -2,6 +2,7 @@ #include <linux/string.h> #include <linux/elf.h> #include <asm/sections.h> +#include <asm/cpu_mf.h> #include <asm/setup.h> #include <asm/kexec.h> #include <asm/sclp.h> @@ -58,6 +59,14 @@ void error(char *x) disabled_wait(); } +static void setup_lpp(void) +{ + S390_lowcore.current_pid = 0; + S390_lowcore.lpp = LPP_MAGIC; + if (test_facility(40)) + lpp(&S390_lowcore.lpp); +} + #ifdef CONFIG_KERNEL_UNCOMPRESSED unsigned long mem_safe_offset(void) { @@ -147,6 +156,7 @@ void startup_kernel(void) unsigned long safe_addr; void *img; + setup_lpp(); store_ipl_parmblock(); safe_addr = mem_safe_offset(); safe_addr = read_ipl_report(safe_addr); |