smp.c (4ee93d80ad73980826d582c7c37caa9597822001) smp.c (4553474d977d1ee8a81067cfbc588f1df84ce3e9)
1/*
2 * Copyright (C) 2014 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
3 * Copyright (C) 2017 Stafford Horne <shorne@gmail.com>
4 *
5 * Based on arm64 and arc implementations
6 * Copyright (C) 2013 ARM Ltd.
7 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
8 *

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95 current_pgd[cpu] = init_mm.pgd;
96
97 boot_secondary(cpu, idle);
98 if (!wait_for_completion_timeout(&cpu_running,
99 msecs_to_jiffies(1000))) {
100 pr_crit("CPU%u: failed to start\n", cpu);
101 return -EIO;
102 }
1/*
2 * Copyright (C) 2014 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
3 * Copyright (C) 2017 Stafford Horne <shorne@gmail.com>
4 *
5 * Based on arm64 and arc implementations
6 * Copyright (C) 2013 ARM Ltd.
7 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
8 *

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95 current_pgd[cpu] = init_mm.pgd;
96
97 boot_secondary(cpu, idle);
98 if (!wait_for_completion_timeout(&cpu_running,
99 msecs_to_jiffies(1000))) {
100 pr_crit("CPU%u: failed to start\n", cpu);
101 return -EIO;
102 }
103 synchronise_count_master(cpu);
103
104 return 0;
105}
106
107asmlinkage __init void secondary_start_kernel(void)
108{
109 struct mm_struct *mm = &init_mm;
110 unsigned int cpu = smp_processor_id();

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124 notify_cpu_starting(cpu);
125
126 /*
127 * OK, now it's safe to let the boot CPU continue
128 */
129 set_cpu_online(cpu, true);
130 complete(&cpu_running);
131
104
105 return 0;
106}
107
108asmlinkage __init void secondary_start_kernel(void)
109{
110 struct mm_struct *mm = &init_mm;
111 unsigned int cpu = smp_processor_id();

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125 notify_cpu_starting(cpu);
126
127 /*
128 * OK, now it's safe to let the boot CPU continue
129 */
130 set_cpu_online(cpu, true);
131 complete(&cpu_running);
132
133 synchronise_count_slave(cpu);
134
132 local_irq_enable();
133
134 preempt_disable();
135 /*
136 * OK, it's off to the idle thread for us
137 */
138 cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
139}

--- 117 unchanged lines hidden --- 		135 local_irq_enable();
136
137 preempt_disable();
138 /*
139 * OK, it's off to the idle thread for us
140 */
141 cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
142}

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