s390: dump_stack: fill in arch description
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>
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@ -231,6 +231,26 @@ static noinline __init void detect_machine_type(void)
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S390_lowcore.machine_flags |= MACHINE_FLAG_VM;
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}
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static noinline __init void setup_arch_string(void)
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{
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struct sysinfo_1_1_1 *mach = (struct sysinfo_1_1_1 *)&sysinfo_page;
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if (stsi(mach, 1, 1, 1))
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return;
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EBCASC(mach->manufacturer, sizeof(mach->manufacturer));
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EBCASC(mach->type, sizeof(mach->type));
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EBCASC(mach->model, sizeof(mach->model));
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EBCASC(mach->model_capacity, sizeof(mach->model_capacity));
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dump_stack_set_arch_desc("%-16.16s %-4.4s %-16.16s %-16.16s (%s)",
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mach->manufacturer,
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mach->type,
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mach->model,
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mach->model_capacity,
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MACHINE_IS_LPAR ? "LPAR" :
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MACHINE_IS_VM ? "z/VM" :
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MACHINE_IS_KVM ? "KVM" : "unknown");
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}
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static __init void setup_topology(void)
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{
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int max_mnest;
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@ -452,6 +472,7 @@ void __init startup_init(void)
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setup_lowcore_early();
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setup_facility_list();
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detect_machine_type();
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setup_arch_string();
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ipl_update_parameters();
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setup_boot_command_line();
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create_kernel_nss();
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