diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/lowcore.h | 10 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 10 |
2 files changed, 16 insertions, 4 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index e85c911aabf..4f990a5e5b5 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -151,10 +151,11 @@ struct _lowcore { */ __u32 ipib; /* 0x0e00 */ __u32 ipib_checksum; /* 0x0e04 */ + __u32 vmcore_info; /* 0x0e08 */ /* 64 bit save area */ - __u64 save_area_64; /* 0x0e08 */ - __u8 pad_0x0e10[0x0f00-0x0e10]; /* 0x0e10 */ + __u64 save_area_64; /* 0x0e0c */ + __u8 pad_0x0e14[0x0f00-0x0e14]; /* 0x0e14 */ /* Extended facility list */ __u64 stfle_fac_list[32]; /* 0x0f00 */ @@ -290,10 +291,11 @@ struct _lowcore { */ __u64 ipib; /* 0x0e00 */ __u32 ipib_checksum; /* 0x0e08 */ + __u64 vmcore_info; /* 0x0e0c */ /* 64 bit save area */ - __u64 save_area_64; /* 0x0e0c */ - __u8 pad_0x0e14[0x0f00-0x0e14]; /* 0x0e14 */ + __u64 save_area_64; /* 0x0e14 */ + __u8 pad_0x0e1c[0x0f00-0x0e1c]; /* 0x0e1c */ /* Extended facility list */ __u64 stfle_fac_list[32]; /* 0x0f00 */ diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index b5a30412b2e..63c81de665e 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -558,6 +558,15 @@ static void __init setup_restart_psw(void) copy_to_absolute_zero(&S390_lowcore.restart_psw, &psw, sizeof(psw)); } +static void __init setup_vmcoreinfo(void) +{ +#ifdef CONFIG_KEXEC + unsigned long ptr = paddr_vmcoreinfo_note(); + + copy_to_absolute_zero(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr)); +#endif +} + #ifdef CONFIG_CRASH_DUMP /* @@ -1022,6 +1031,7 @@ setup_arch(char **cmdline_p) reserve_crashkernel(); setup_memory(); setup_resources(); + setup_vmcoreinfo(); setup_restart_psw(); setup_lowcore(); |