mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-30 08:02:30 +00:00
Code Issues Releases Wiki Activity

s390: dump_stack: fill in arch description

Browse source 
Lets provide the basic machine information for dump_stack on
s390. This enables the "Hardware name:" line and results in
output like

[...]
Oops: 0004 ilc:2 [#1] SMP
Modules linked in:
CPU: 1 PID: 74 Comm: sh Not tainted 4.5.0+ #205
Hardware name: IBM              2964 NC9              704	(KVM)
[...]

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christian Borntraeger 2016-05-24 15:23:20 +02:00 committed by Martin Schwidefsky
parent 99ec1112da
commit 4b8fe77ace
1 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
arch/s390/kernel/early.c
View file

@ -231,6 +231,26 @@ static noinline __init void detect_machine_type(void)
S390_lowcore.machine_flags |= MACHINE_FLAG_VM;
}
static noinline __init void setup_arch_string(void)
{
struct sysinfo_1_1_1 *mach = (struct sysinfo_1_1_1 *)&sysinfo_page;
if (stsi(mach, 1, 1, 1))
return;
EBCASC(mach->manufacturer, sizeof(mach->manufacturer));
EBCASC(mach->type, sizeof(mach->type));
EBCASC(mach->model, sizeof(mach->model));
EBCASC(mach->model_capacity, sizeof(mach->model_capacity));
dump_stack_set_arch_desc("%-16.16s %-4.4s %-16.16s %-16.16s (%s)",
mach->manufacturer,
mach->type,
mach->model,
mach->model_capacity,
MACHINE_IS_LPAR ? "LPAR" :
MACHINE_IS_VM ? "z/VM" :
MACHINE_IS_KVM ? "KVM" : "unknown");
}
static __init void setup_topology(void)
{
int max_mnest;
@ -452,6 +472,7 @@ void __init startup_init(void)
setup_lowcore_early();
setup_facility_list();
detect_machine_type();
setup_arch_string();
ipl_update_parameters();
setup_boot_command_line();
create_kernel_nss();