diff options
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 15 | ||||
| -rw-r--r-- | arch/s390/kernel/os_info.c | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 12 |
3 files changed, 17 insertions, 12 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index dcfdcb3..2f6cfd4 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1528,12 +1528,15 @@ static struct shutdown_action __refdata dump_action = { static void dump_reipl_run(struct shutdown_trigger *trigger) { - u32 csum; - - csum = csum_partial(reipl_block_actual, reipl_block_actual->hdr.len, 0); - copy_to_absolute_zero(&S390_lowcore.ipib_checksum, &csum, sizeof(csum)); - copy_to_absolute_zero(&S390_lowcore.ipib, &reipl_block_actual, - sizeof(reipl_block_actual)); + struct { + void *addr; + __u32 csum; + } __packed ipib; + + ipib.csum = csum_partial(reipl_block_actual, + reipl_block_actual->hdr.len, 0); + ipib.addr = reipl_block_actual; + memcpy_absolute(&S390_lowcore.ipib, &ipib, sizeof(ipib)); dump_run(trigger); } diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c index f2fe18f..95fa5ac 100644 --- a/arch/s390/kernel/os_info.c +++ b/arch/s390/kernel/os_info.c @@ -60,7 +60,7 @@ void __init os_info_init(void) os_info.version_minor = OS_INFO_VERSION_MINOR; os_info.magic = OS_INFO_MAGIC; os_info.csum = os_info_csum(&os_info); - copy_to_absolute_zero(&S390_lowcore.os_info, &ptr, sizeof(ptr)); + memcpy_absolute(&S390_lowcore.os_info, &ptr, sizeof(ptr)); } #ifdef CONFIG_CRASH_DUMP diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 06264ae..489d1d8 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -428,10 +428,12 @@ static void __init setup_lowcore(void) lc->restart_fn = (unsigned long) do_restart; lc->restart_data = 0; lc->restart_source = -1UL; - memcpy(&S390_lowcore.restart_stack, &lc->restart_stack, - 4*sizeof(unsigned long)); - copy_to_absolute_zero(&S390_lowcore.restart_psw, - &lc->restart_psw, sizeof(psw_t)); + + /* Setup absolute zero lowcore */ + memcpy_absolute(&S390_lowcore.restart_stack, &lc->restart_stack, + 4 * sizeof(unsigned long)); + memcpy_absolute(&S390_lowcore.restart_psw, &lc->restart_psw, + sizeof(lc->restart_psw)); set_prefix((u32)(unsigned long) lc); lowcore_ptr[0] = lc; @@ -598,7 +600,7 @@ 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)); + memcpy_absolute(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr)); #endif } |
