smp.c (6f23fc47c1b2ac226704fb7294f43ed3b0965e51) smp.c (4a1725281fc5b0009944b1c0e1d2c1dc311a09ec)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * SMP related functions
4 *
5 * Copyright IBM Corp. 1999, 2012
6 * Author(s): Denis Joseph Barrow,
7 * Martin Schwidefsky <schwidefsky@de.ibm.com>,
8 *

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1008 possible = setup_possible_cpus ?: nr_cpu_ids;
1009 possible = min(possible, sclp_max);
1010 for (cpu = 0; cpu < possible && cpu < nr_cpu_ids; cpu++)
1011 set_cpu_possible(cpu, true);
1012}
1013
1014void __init smp_prepare_cpus(unsigned int max_cpus)
1015{
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * SMP related functions
4 *
5 * Copyright IBM Corp. 1999, 2012
6 * Author(s): Denis Joseph Barrow,
7 * Martin Schwidefsky <schwidefsky@de.ibm.com>,
8 *

--- 999 unchanged lines hidden (view full) ---

1008 possible = setup_possible_cpus ?: nr_cpu_ids;
1009 possible = min(possible, sclp_max);
1010 for (cpu = 0; cpu < possible && cpu < nr_cpu_ids; cpu++)
1011 set_cpu_possible(cpu, true);
1012}
1013
1014void __init smp_prepare_cpus(unsigned int max_cpus)
1015{
1016 /* request the 0x1201 emergency signal external interrupt */
1017 if (register_external_irq(EXT_IRQ_EMERGENCY_SIG, do_ext_call_interrupt))
1018 panic("Couldn't request external interrupt 0x1201");
1016 if (register_external_irq(EXT_IRQ_EMERGENCY_SIG, do_ext_call_interrupt))
1017 panic("Couldn't request external interrupt 0x1201");
1019 /* request the 0x1202 external call external interrupt */
1018 ctl_set_bit(0, 14);
1020 if (register_external_irq(EXT_IRQ_EXTERNAL_CALL, do_ext_call_interrupt))
1021 panic("Couldn't request external interrupt 0x1202");
1019 if (register_external_irq(EXT_IRQ_EXTERNAL_CALL, do_ext_call_interrupt))
1020 panic("Couldn't request external interrupt 0x1202");
1021 ctl_set_bit(0, 13);
1022}
1023
1024void __init smp_prepare_boot_cpu(void)
1025{
1026 struct pcpu *pcpu = pcpu_devices;
1027
1028 WARN_ON(!cpu_present(0) || !cpu_online(0));
1029 pcpu->state = CPU_STATE_CONFIGURED;

--- 288 unchanged lines hidden --- 		1022}
1023
1024void __init smp_prepare_boot_cpu(void)
1025{
1026 struct pcpu *pcpu = pcpu_devices;
1027
1028 WARN_ON(!cpu_present(0) || !cpu_online(0));
1029 pcpu->state = CPU_STATE_CONFIGURED;

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