https://github.com/torvalds/linux
- v6.9-rc7
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- v6.1
- v6.0-rc7
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- v6.0
- v5.9-rc8
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- v5.9
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- v5.6
- v5.5-rc7
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- v5.4-rc8
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- v5.3
- v5.2-rc7
- v5.2-rc6
- v5.2-rc5
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- v5.2-rc2
- v5.2-rc1
- v5.2
- v5.19-rc8
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- v5.19-rc6
- v5.19-rc5
- v5.19-rc4
- v5.19-rc3
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- v5.19-rc1
- v5.19
- v5.18-rc7
- v5.18-rc6
- v5.18-rc5
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- v5.18-rc2
- v5.18-rc1
- v5.18
- v5.17-rc8
- v5.17-rc7
- v5.17-rc6
- v5.17-rc5
- v5.17-rc4
- v5.17-rc3
- v5.17-rc2
- v5.17-rc1
- v5.17
- v5.16-rc8
- v5.16-rc7
- v5.16-rc6
- v5.16-rc5
- v5.16-rc4
- v5.16-rc3
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- v5.16-rc1
- v5.16
- v5.15-rc7
- v5.15-rc6
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- v5.15-rc4
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- v5.15-rc2
- v5.15-rc1
- v5.15
- v5.14-rc7
- v5.14-rc6
- v5.14-rc5
- v5.14-rc4
- v5.14-rc3
- v5.14-rc2
- v5.14-rc1
- v5.14
- v5.13-rc7
- v5.13-rc6
- v5.13-rc5
- v5.13-rc4
- v5.13-rc3
- v5.13-rc2
- v5.13-rc1
- v5.13
- v5.12-rc8
- v5.12-rc7
- v5.12-rc6
- v5.12-rc5
- v5.12-rc4
- v5.12-rc3
- v5.12-rc2
- v5.12-rc1
- v5.12
- v5.11-rc7
- v5.11-rc6
- v5.11-rc5
- v5.11-rc4
- v5.11-rc3
- v5.11-rc2
- v5.11-rc1
- v5.11
- v5.10-rc7
- v5.10-rc6
- v5.10-rc5
- v5.10-rc4
- v5.10-rc3
- v5.10-rc2
- v5.10-rc1
- v5.10
- v5.1-rc7
- v5.1-rc6
- v5.1-rc5
- v5.1-rc4
- v5.1-rc3
- v5.1-rc2
- v5.1-rc1
- v5.1
- v5.0-rc8
- v5.0-rc7
- v5.0-rc6
- v5.0-rc5
- v5.0-rc4
- v5.0-rc3
- v5.0-rc2
- v5.0-rc1
- v5.0
- v4.9-rc8
- v4.9-rc7
- v4.9-rc6
- v4.9-rc5
- v4.9-rc4
- v4.9-rc3
- v4.9-rc2
- v4.9-rc1
- v4.9
- v4.8-rc8
- v4.8-rc7
- v4.8-rc6
- v4.8-rc5
- v4.8-rc4
- v4.8-rc3
- v4.8-rc2
- v4.8-rc1
- v4.8
- v4.7-rc7
- v4.7-rc6
- v4.7-rc5
- v4.7-rc4
- v4.7-rc3
- v4.7-rc2
- v4.7-rc1
- v4.7
- v4.6-rc7
- v4.6-rc6
- v4.6-rc5
- v4.6-rc4
- v4.6-rc3
- v4.6-rc2
- v4.6-rc1
- v4.6
- v4.5-rc7
- v4.5-rc6
- v4.5-rc5
- v4.5-rc4
- v4.5-rc3
- v4.5-rc2
- v4.5-rc1
- v4.5
- v4.4-rc8
- v4.4-rc7
- v4.4-rc6
- v4.4-rc5
- v4.4-rc4
- v4.4-rc3
- v4.4-rc2
- v4.4-rc1
- v4.4
- v4.3-rc7
- v4.3-rc6
- v4.3-rc5
- v4.3-rc4
- v4.3-rc3
- v4.3-rc2
- v4.3-rc1
- v4.3
- v4.20-rc7
- v4.20-rc6
- v4.20-rc5
- v4.20-rc4
- v4.20-rc3
- v4.20-rc2
- v4.20-rc1
- v4.20
- v4.2-rc8
- v4.2-rc7
- v4.2-rc6
- v4.2-rc5
- v4.2-rc4
- v4.2-rc3
- v4.2-rc2
- v4.2-rc1
- v4.2
- v4.19-rc8
- v4.19-rc7
- v4.19-rc6
- v4.19-rc5
- v4.19-rc4
- v4.19-rc3
- v4.19-rc2
- v4.19-rc1
- v4.19
- v4.18-rc8
- v4.18-rc7
- v4.18-rc6
- v4.18-rc5
- v4.18-rc4
- v4.18-rc3
- v4.18-rc2
- v4.18-rc1
- v4.18
- v4.17-rc7
- v4.17-rc6
- v4.17-rc5
- v4.17-rc4
- v4.17-rc3
- v4.17-rc2
- v4.17-rc1
- v4.17
- v4.16-rc7
- v4.16-rc6
- v4.16-rc5
- v4.16-rc4
- v4.16-rc3
- v4.16-rc2
- v4.16-rc1
- v4.16
- v4.15-rc9
- v4.15-rc8
- v4.15-rc7
- v4.15-rc6
- v4.15-rc5
- v4.15-rc4
- v4.15-rc3
- v4.15-rc2
- v4.15-rc1
- v4.15
- v4.14-rc8
- v4.14-rc7
- v4.14-rc6
- v4.14-rc5
- v4.14-rc4
- v4.14-rc3
- v4.14-rc2
- v4.14-rc1
- v4.14
- v4.13-rc7
- v4.13-rc6
- v4.13-rc5
- v4.13-rc4
- v4.13-rc3
- v4.13-rc2
- v4.13-rc1
- v4.13
- v4.12-rc7
- v4.12-rc6
- v4.12-rc5
- v4.12-rc4
- v4.12-rc3
- v4.12-rc2
- v4.12-rc1
- v4.12
- v4.11-rc8
- v4.11-rc7
- v4.11-rc6
- v4.11-rc5
- v4.11-rc4
- v4.11-rc3
- v4.11-rc2
- v4.11-rc1
- v4.11
- v4.10-rc8
- v4.10-rc7
- v4.10-rc6
- v4.10-rc5
- v4.10-rc4
- v4.10-rc3
- v4.10-rc2
- v4.10-rc1
- v4.10
- v4.1-rc8
- v4.1-rc7
- v4.1-rc6
- v4.1-rc5
- v4.1-rc4
- v4.1-rc3
- v4.1-rc2
- v4.1-rc1
- v4.1
- v4.0-rc7
- v4.0-rc6
- v4.0-rc5
- v4.0-rc4
- v4.0-rc3
- v4.0-rc2
- v4.0-rc1
- v4.0
- v3.9-rc8
- v3.9-rc7
- v3.9-rc6
- v3.9-rc5
- v3.9-rc4
- v3.9-rc3
- v3.9-rc2
- v3.9-rc1
- v3.9
- v3.8-rc7
- v3.8-rc6
- v3.8-rc5
- v3.8-rc4
- v3.8-rc3
- v3.8-rc2
- v3.8-rc1
- v3.8
- v3.7-rc8
- v3.7-rc7
- v3.7-rc6
- v3.7-rc5
- v3.7-rc4
- v3.7-rc3
- v3.7-rc2
- v3.7-rc1
- v3.7
- v3.6-rc7
- v3.6-rc6
- v3.6-rc5
- v3.6-rc4
- v3.6-rc3
- v3.6-rc2
- v3.6-rc1
- v3.6
- v3.5-rc7
- v3.5-rc6
- v3.5-rc5
- v3.5-rc4
- v3.5-rc3
- v3.5-rc2
- v3.5-rc1
- v3.5
- v3.4-rc7
- v3.4-rc6
- v3.4-rc5
- v3.4-rc4
- v3.4-rc3
- v3.4-rc2
- v3.4-rc1
- v3.4
- v3.3-rc7
- v3.3-rc6
- v3.3-rc5
- v3.3-rc4
- v3.3-rc3
- v3.3-rc2
- v3.3-rc1
- v3.3
- v3.2-rc7
- v3.2-rc6
- v3.2-rc5
- v3.2-rc4
- v3.2-rc3
- v3.2-rc2
- v3.2-rc1
- v3.2
- v3.19-rc7
- v3.19-rc6
- v3.19-rc5
- v3.19-rc4
- v3.19-rc3
- v3.19-rc2
- v3.19-rc1
- v3.19
- v3.18-rc7
- v3.18-rc6
- v3.18-rc5
- v3.18-rc4
- v3.18-rc3
- v3.18-rc2
- v3.18-rc1
- v3.18
- v3.17-rc7
- v3.17-rc6
- v3.17-rc5
- v3.17-rc4
- v3.17-rc3
- v3.17-rc2
- v3.17-rc1
- v3.17
- v3.16-rc7
- v3.16-rc6
- v3.16-rc5
- v3.16-rc4
- v3.16-rc3
- v3.16-rc2
- v3.16-rc1
- v3.16
- v3.15-rc8
- v3.15-rc7
- v3.15-rc6
- v3.15-rc5
- v3.15-rc4
- v3.15-rc3
- v3.15-rc2
- v3.15-rc1
- v3.15
- v3.14-rc8
- v3.14-rc7
- v3.14-rc6
- v3.14-rc5
- v3.14-rc4
- v3.14-rc3
- v3.14-rc2
- v3.14-rc1
- v3.14
- v3.13-rc8
- v3.13-rc7
- v3.13-rc6
- v3.13-rc5
- v3.13-rc4
- v3.13-rc3
- v3.13-rc2
- v3.13-rc1
- v3.13
- v3.12-rc7
- v3.12-rc6
- v3.12-rc5
- v3.12-rc4
- v3.12-rc3
- v3.12-rc2
- v3.12-rc1
- v3.12
- v3.11-rc7
- v3.11-rc6
- v3.11-rc5
- v3.11-rc4
- v3.11-rc3
- v3.11-rc2
- v3.11-rc1
- v3.11
- v3.10-rc7
- v3.10-rc6
- v3.10-rc5
- v3.10-rc4
- v3.10-rc3
- v3.10-rc2
- v3.10-rc1
- v3.10
- v3.1-rc9
- v3.1-rc8
- v3.1-rc7
- v3.1-rc6
- v3.1-rc5
- v3.1-rc4
- v3.1-rc3
- v3.1-rc2
- v3.1-rc10
- v3.1-rc1
- v3.1
- v3.0-rc7
- v3.0-rc6
- v3.0-rc5
- v3.0-rc4
- v3.0-rc3
- v3.0-rc2
- v3.0-rc1
- v3.0
- v2.6.39-rc7
- v2.6.39-rc6
- v2.6.39-rc5
- v2.6.39-rc4
- v2.6.39-rc3
- v2.6.39-rc2
- v2.6.39-rc1
- v2.6.39
- v2.6.38-rc8
- v2.6.38-rc7
- v2.6.38-rc6
- v2.6.38-rc5
- v2.6.38-rc4
- v2.6.38-rc3
- v2.6.38-rc2
- v2.6.38-rc1
- v2.6.38
- v2.6.37-rc8
- v2.6.37-rc7
- v2.6.37-rc6
- v2.6.37-rc5
- v2.6.37-rc4
- v2.6.37-rc3
- v2.6.37-rc2
- v2.6.37-rc1
- v2.6.37
- v2.6.36-rc8
- v2.6.36-rc7
- v2.6.36-rc6
- v2.6.36-rc5
- v2.6.36-rc4
- v2.6.36-rc3
- v2.6.36-rc2
- v2.6.36-rc1
- v2.6.36
- v2.6.35-rc6
- v2.6.35-rc5
- v2.6.35-rc4
- v2.6.35-rc3
- v2.6.35-rc2
- v2.6.35-rc1
- v2.6.35
- v2.6.34-rc7
- v2.6.34-rc6
- v2.6.34-rc5
- v2.6.34-rc4
- v2.6.34-rc3
- v2.6.34-rc2
- v2.6.34-rc1
- v2.6.34
- v2.6.33-rc8
- v2.6.33-rc7
- v2.6.33-rc6
- v2.6.33-rc5
- v2.6.33-rc4
- v2.6.33-rc3
- v2.6.33-rc2
- v2.6.33-rc1
- v2.6.33
- v2.6.32-rc8
- v2.6.32-rc7
- v2.6.32-rc6
- v2.6.32-rc5
- v2.6.32-rc4
- v2.6.32-rc3
- v2.6.32-rc1
- v2.6.32
- v2.6.31-rc9
- v2.6.31-rc8
- v2.6.31-rc7
- v2.6.31-rc6
- v2.6.31-rc5
- v2.6.31-rc4
- v2.6.31-rc3
- v2.6.31-rc2
- v2.6.31-rc1
- v2.6.31
- v2.6.30-rc8
- v2.6.30-rc7
- v2.6.30-rc6
- v2.6.30-rc5
- v2.6.30-rc4
- v2.6.30-rc3
- v2.6.30-rc2
- v2.6.30-rc1
- v2.6.30
- v2.6.29-rc8
- v2.6.29-rc7
- v2.6.29-rc6
- v2.6.29-rc5
- v2.6.29-rc4
- v2.6.29-rc3
- v2.6.29-rc2
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- v2.6.29
- v2.6.28-rc9
- v2.6.28-rc8
- v2.6.28-rc7
- v2.6.28-rc6
- v2.6.28-rc5
- v2.6.28-rc4
- v2.6.28-rc3
- v2.6.28-rc2
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- v2.6.28
- v2.6.27-rc9
- v2.6.27-rc8
- v2.6.27-rc7
- v2.6.27-rc6
- v2.6.27-rc5
- v2.6.27-rc4
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- v2.6.27
- v2.6.26-rc9
- v2.6.26-rc8
- v2.6.26-rc7
- v2.6.26-rc6
- v2.6.26-rc5
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- v2.6.26
- v2.6.25-rc9
- v2.6.25-rc8
- v2.6.25-rc7
- v2.6.25-rc6
- v2.6.25-rc5
- v2.6.25-rc4
- v2.6.25-rc3
- v2.6.25-rc2
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- v2.6.25
- v2.6.24-rc8
- v2.6.24-rc7
- v2.6.24-rc6
- v2.6.24-rc5
- v2.6.24-rc4
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- v2.6.24
- v2.6.23-rc9
- v2.6.23-rc8
- v2.6.23-rc7
- v2.6.23-rc6
- v2.6.23-rc5
- v2.6.23-rc4
- v2.6.23-rc3
- v2.6.23-rc2
- v2.6.23-rc1
- v2.6.23
- v2.6.22-rc7
- v2.6.22-rc6
- v2.6.22-rc5
- v2.6.22-rc4
- v2.6.22-rc3
- v2.6.22-rc2
- v2.6.22-rc1
- v2.6.22
- v2.6.21-rc7
- v2.6.21-rc6
- v2.6.21-rc5
- v2.6.21-rc4
- v2.6.21-rc3
- v2.6.21-rc2
- v2.6.21-rc1
- v2.6.21
- v2.6.20-rc7
- v2.6.20-rc6
- v2.6.20-rc5
- v2.6.20-rc4
- v2.6.20-rc3
- v2.6.20-rc2
- v2.6.20-rc1
- v2.6.20
- v2.6.19-rc6
- v2.6.19-rc5
- v2.6.19-rc4
- v2.6.19-rc3
- v2.6.19-rc2
- v2.6.19-rc1
- v2.6.19
- v2.6.18-rc7
- v2.6.18-rc6
- v2.6.18-rc5
- v2.6.18-rc4
- v2.6.18-rc3
- v2.6.18-rc2
- v2.6.18-rc1
- v2.6.18
- v2.6.17-rc6
- v2.6.17-rc5
- v2.6.17-rc4
- v2.6.17-rc3
- v2.6.17-rc2
- v2.6.17-rc1
- v2.6.17
- v2.6.16-rc6
- v2.6.16-rc5
- v2.6.16-rc4
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Tip revision: d0e639c9e06d44e713170031fe05fb60ebe680af authored by Linus Torvalds on 06 October 2013, 21:00:20 UTC
Linux 3.12-rc4
Linux 3.12-rc4
Tip revision: d0e639c
mcpm_platsmp.c
/*
* linux/arch/arm/mach-vexpress/mcpm_platsmp.c
*
* Created by: Nicolas Pitre, November 2012
* Copyright: (C) 2012-2013 Linaro Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Code to handle secondary CPU bringup and hotplug for the cluster power API.
*/
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <asm/mcpm.h>
#include <asm/smp.h>
#include <asm/smp_plat.h>
static int mcpm_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
unsigned int mpidr, pcpu, pcluster, ret;
extern void secondary_startup(void);
mpidr = cpu_logical_map(cpu);
pcpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
pcluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
pr_debug("%s: logical CPU %d is physical CPU %d cluster %d\n",
__func__, cpu, pcpu, pcluster);
mcpm_set_entry_vector(pcpu, pcluster, NULL);
ret = mcpm_cpu_power_up(pcpu, pcluster);
if (ret)
return ret;
mcpm_set_entry_vector(pcpu, pcluster, secondary_startup);
arch_send_wakeup_ipi_mask(cpumask_of(cpu));
dsb_sev();
return 0;
}
static void mcpm_secondary_init(unsigned int cpu)
{
mcpm_cpu_powered_up();
}
#ifdef CONFIG_HOTPLUG_CPU
static int mcpm_cpu_disable(unsigned int cpu)
{
/*
* We assume all CPUs may be shut down.
* This would be the hook to use for eventual Secure
* OS migration requests as described in the PSCI spec.
*/
return 0;
}
static void mcpm_cpu_die(unsigned int cpu)
{
unsigned int mpidr, pcpu, pcluster;
mpidr = read_cpuid_mpidr();
pcpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
pcluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
mcpm_set_entry_vector(pcpu, pcluster, NULL);
mcpm_cpu_power_down();
}
#endif
static struct smp_operations __initdata mcpm_smp_ops = {
.smp_boot_secondary = mcpm_boot_secondary,
.smp_secondary_init = mcpm_secondary_init,
#ifdef CONFIG_HOTPLUG_CPU
.cpu_disable = mcpm_cpu_disable,
.cpu_die = mcpm_cpu_die,
#endif
};
void __init mcpm_smp_set_ops(void)
{
smp_set_ops(&mcpm_smp_ops);
}