Release 4.10 arch/mips/kernel/smp.c

Directory: arch/mips/kernel
/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Copyright (C) 2000, 2001 Kanoj Sarcar
 * Copyright (C) 2000, 2001 Ralf Baechle
 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
 * Copyright (C) 2000, 2001, 2003 Broadcom Corporation
 */
#include <linux/cache.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/threads.h>
#include <linux/export.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/sched.h>
#include <linux/cpumask.h>
#include <linux/cpu.h>
#include <linux/err.h>
#include <linux/ftrace.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_irq.h>

#include <linux/atomic.h>
#include <asm/cpu.h>
#include <asm/processor.h>
#include <asm/idle.h>
#include <asm/r4k-timer.h>
#include <asm/mips-cpc.h>
#include <asm/mmu_context.h>
#include <asm/time.h>
#include <asm/setup.h>
#include <asm/maar.h>


cpumask_t cpu_callin_map;		
/* Bitmask of started secondaries */


int __cpu_number_map[NR_CPUS];		
/* Map physical to logical */

EXPORT_SYMBOL(__cpu_number_map);


int __cpu_logical_map[NR_CPUS];		
/* Map logical to physical */

EXPORT_SYMBOL(__cpu_logical_map);

/* Number of TCs (or siblings in Intel speak) per CPU core */

int smp_num_siblings = 1;

EXPORT_SYMBOL(smp_num_siblings);

/* representing the TCs (or siblings in Intel speak) of each logical CPU */

cpumask_t cpu_sibling_map[NR_CPUS] __read_mostly;

EXPORT_SYMBOL(cpu_sibling_map);

/* representing the core map of multi-core chips of each logical CPU */

cpumask_t cpu_core_map[NR_CPUS] __read_mostly;

EXPORT_SYMBOL(cpu_core_map);

/*
 * A logcal cpu mask containing only one VPE per core to
 * reduce the number of IPIs on large MT systems.
 */

cpumask_t cpu_foreign_map[NR_CPUS] __read_mostly;

EXPORT_SYMBOL(cpu_foreign_map);

/* representing cpus for which sibling maps can be computed */

static cpumask_t cpu_sibling_setup_map;

/* representing cpus for which core maps can be computed */

static cpumask_t cpu_core_setup_map;


cpumask_t cpu_coherent_mask;

#ifdef CONFIG_GENERIC_IRQ_IPI

static struct irq_desc *call_desc;

static struct irq_desc *sched_desc;
#endif



static inline void set_cpu_sibling_map(int cpu)
{
	int i;

	cpumask_set_cpu(cpu, &cpu_sibling_setup_map);

	if (smp_num_siblings > 1) {
		for_each_cpu(i, &cpu_sibling_setup_map) {
			if (cpu_data[cpu].package == cpu_data[i].package &&
				    cpu_data[cpu].core == cpu_data[i].core) {
				cpumask_set_cpu(i, &cpu_sibling_map[cpu]);
				cpumask_set_cpu(cpu, &cpu_sibling_map[i]);
			}
		}
	} else
		cpumask_set_cpu(cpu, &cpu_sibling_map[cpu]);
}

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Total 103 100.00% 3 100.00%



static inline void set_cpu_core_map(int cpu)
{
	int i;

	cpumask_set_cpu(cpu, &cpu_core_setup_map);

	for_each_cpu(i, &cpu_core_setup_map) {
		if (cpu_data[cpu].package == cpu_data[i].package) {
			cpumask_set_cpu(i, &cpu_core_map[cpu]);
			cpumask_set_cpu(cpu, &cpu_core_map[i]);
		}
	}
}

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/*
 * Calculate a new cpu_foreign_map mask whenever a
 * new cpu appears or disappears.
 */


void calculate_cpu_foreign_map(void)
{
	int i, k, core_present;
	cpumask_t temp_foreign_map;

	/* Re-calculate the mask */
	cpumask_clear(&temp_foreign_map);
	for_each_online_cpu(i) {
		core_present = 0;
		for_each_cpu(k, &temp_foreign_map)
			if (cpu_data[i].package == cpu_data[k].package &&
			    cpu_data[i].core == cpu_data[k].core)
				core_present = 1;
		if (!core_present)
			cpumask_set_cpu(i, &temp_foreign_map);
	}

	for_each_online_cpu(i)
		cpumask_andnot(&cpu_foreign_map[i],
			       &temp_foreign_map, &cpu_sibling_map[i]);
}

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struct plat_smp_ops *mp_ops;

EXPORT_SYMBOL(mp_ops);



void register_smp_ops(struct plat_smp_ops *ops)
{
	if (mp_ops)
		printk(KERN_WARNING "Overriding previously set SMP ops\n");

	mp_ops = ops;
}

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#ifdef CONFIG_GENERIC_IRQ_IPI


void mips_smp_send_ipi_single(int cpu, unsigned int action)
{
	mips_smp_send_ipi_mask(cpumask_of(cpu), action);
}

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void mips_smp_send_ipi_mask(const struct cpumask *mask, unsigned int action)
{
	unsigned long flags;
	unsigned int core;
	int cpu;

	local_irq_save(flags);

	switch (action) {
	case SMP_CALL_FUNCTION:
		__ipi_send_mask(call_desc, mask);
		break;

	case SMP_RESCHEDULE_YOURSELF:
		__ipi_send_mask(sched_desc, mask);
		break;

	default:
		BUG();
	}

	if (mips_cpc_present()) {
		for_each_cpu(cpu, mask) {
			core = cpu_data[cpu].core;

			if (core == current_cpu_data.core)
				continue;

			while (!cpumask_test_cpu(cpu, &cpu_coherent_mask)) {
				mips_cm_lock_other(core, 0);
				mips_cpc_lock_other(core);
				write_cpc_co_cmd(CPC_Cx_CMD_PWRUP);
				mips_cpc_unlock_other();
				mips_cm_unlock_other();
			}
		}
	}

	local_irq_restore(flags);
}


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static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
{
	scheduler_ipi();

	return IRQ_HANDLED;
}

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static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
{
	generic_smp_call_function_interrupt();

	return IRQ_HANDLED;
}

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static struct irqaction irq_resched = {
	.handler	= ipi_resched_interrupt,
	.flags		= IRQF_PERCPU,
	.name		= "IPI resched"
};


static struct irqaction irq_call = {
	.handler	= ipi_call_interrupt,
	.flags		= IRQF_PERCPU,
	.name		= "IPI call"
};



static void smp_ipi_init_one(unsigned int virq,
				    struct irqaction *action)
{
	int ret;

	irq_set_handler(virq, handle_percpu_irq);
	ret = setup_irq(virq, action);
	BUG_ON(ret);
}

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static unsigned int call_virq, sched_virq;



int mips_smp_ipi_allocate(const struct cpumask *mask)
{
	int virq;
	struct irq_domain *ipidomain;
	struct device_node *node;

	node = of_irq_find_parent(of_root);
	ipidomain = irq_find_matching_host(node, DOMAIN_BUS_IPI);

	/*
         * Some platforms have half DT setup. So if we found irq node but
         * didn't find an ipidomain, try to search for one that is not in the
         * DT.
         */
	if (node && !ipidomain)
		ipidomain = irq_find_matching_host(NULL, DOMAIN_BUS_IPI);

	/*
         * There are systems which only use IPI domains some of the time,
         * depending upon configuration we don't know until runtime. An
         * example is Malta where we may compile in support for GIC & the
         * MT ASE, but run on a system which has multiple VPEs in a single
         * core and doesn't include a GIC. Until all IPI implementations
         * have been converted to use IPI domains the best we can do here
         * is to return & hope some other code sets up the IPIs.
         */
	if (!ipidomain)
		return 0;

	virq = irq_reserve_ipi(ipidomain, mask);
	BUG_ON(!virq);
	if (!call_virq)
		call_virq = virq;

	virq = irq_reserve_ipi(ipidomain, mask);
	BUG_ON(!virq);
	if (!sched_virq)
		sched_virq = virq;

	if (irq_domain_is_ipi_per_cpu(ipidomain)) {
		int cpu;

		for_each_cpu(cpu, mask) {
			smp_ipi_init_one(call_virq + cpu, &irq_call);
			smp_ipi_init_one(sched_virq + cpu, &irq_resched);
		}
	} else {
		smp_ipi_init_one(call_virq, &irq_call);
		smp_ipi_init_one(sched_virq, &irq_resched);
	}

	return 0;
}

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Total 176 100.00% 3 100.00%



int mips_smp_ipi_free(const struct cpumask *mask)
{
	struct irq_domain *ipidomain;
	struct device_node *node;

	node = of_irq_find_parent(of_root);
	ipidomain = irq_find_matching_host(node, DOMAIN_BUS_IPI);

	/*
         * Some platforms have half DT setup. So if we found irq node but
         * didn't find an ipidomain, try to search for one that is not in the
         * DT.
         */
	if (node && !ipidomain)
		ipidomain = irq_find_matching_host(NULL, DOMAIN_BUS_IPI);

	BUG_ON(!ipidomain);

	if (irq_domain_is_ipi_per_cpu(ipidomain)) {
		int cpu;

		for_each_cpu(cpu, mask) {
			remove_irq(call_virq + cpu, &irq_call);
			remove_irq(sched_virq + cpu, &irq_resched);
		}
	}
	irq_destroy_ipi(call_virq, mask);
	irq_destroy_ipi(sched_virq, mask);
	return 0;
}


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static int __init mips_smp_ipi_init(void)
{
	mips_smp_ipi_allocate(cpu_possible_mask);

	call_desc = irq_to_desc(call_virq);
	sched_desc = irq_to_desc(sched_virq);

	return 0;
}
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Total 31 100.00% 2 100.00%


early_initcall(mips_smp_ipi_init);
#endif

/*
 * First C code run on the secondary CPUs after being started up by
 * the master.
 */


asmlinkage void start_secondary(void)
{
	unsigned int cpu;

	cpu_probe();
	per_cpu_trap_init(false);
	mips_clockevent_init();
	mp_ops->init_secondary();
	cpu_report();
	maar_init();

	/*
         * XXX parity protection should be folded in here when it's converted
         * to an option instead of something based on .cputype
         */

	calibrate_delay();
	preempt_disable();
	cpu = smp_processor_id();
	cpu_data[cpu].udelay_val = loops_per_jiffy;

	cpumask_set_cpu(cpu, &cpu_coherent_mask);
	notify_cpu_starting(cpu);

	cpumask_set_cpu(cpu, &cpu_callin_map);
	synchronise_count_slave(cpu);

	set_cpu_online(cpu, true);

	set_cpu_sibling_map(cpu);
	set_cpu_core_map(cpu);

	calculate_cpu_foreign_map();

	/*
         * irq will be enabled in ->smp_finish(), enabling it too early
         * is dangerous.
         */
	WARN_ON_ONCE(!irqs_disabled());
	mp_ops->smp_finish();

	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}

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matt redfearn matt redfearn 12 10.08% 1 4.55%
linus torvalds linus torvalds 11 9.24% 1 4.55%
paul burton paul burton 9 7.56% 2 9.09%
nick piggin nick piggin 8 6.72% 1 4.55%
manfred spraul manfred spraul 5 4.20% 1 4.55%
andrew morton andrew morton 4 3.36% 1 4.55%
thomas gleixner thomas gleixner 4 3.36% 2 9.09%
huacai chen huacai chen 4 3.36% 1 4.55%
hemmo nieminen hemmo nieminen 3 2.52% 1 4.55%
jayachandran c jayachandran c 3 2.52% 1 4.55%
david daney david daney 3 2.52% 1 4.55%
rusty russell rusty russell 2 1.68% 1 4.55%
Total 119 100.00% 22 100.00%



static void stop_this_cpu(void *dummy)
{
	/*
         * Remove this CPU:
         */

	set_cpu_online(smp_processor_id(), false);
	calculate_cpu_foreign_map();
	local_irq_disable();
	while (1);
}

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andrew bresticker andrew bresticker 6 20.00% 1 14.29%
markos chandras markos chandras 3 10.00% 1 14.29%
rusty russell rusty russell 2 6.67% 1 14.29%
james hogan james hogan 1 3.33% 1 14.29%
Total 30 100.00% 7 100.00%



void smp_send_stop(void)
{
	smp_call_function(stop_this_cpu, NULL, 0);
}

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void __init smp_cpus_done(unsigned int max_cpus)
{
}

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/* called from main before smp_init() */


void __init smp_prepare_cpus(unsigned int max_cpus)
{
	init_new_context(current, &init_mm);
	current_thread_info()->cpu = 0;
	mp_ops->prepare_cpus(max_cpus);
	set_cpu_sibling_map(0);
	set_cpu_core_map(0);
	calculate_cpu_foreign_map();
#ifndef CONFIG_HOTPLUG_CPU
	init_cpu_present(cpu_possible_mask);
#endif
	cpumask_copy(&cpu_coherent_mask, cpu_possible_mask);
}

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paul burton paul burton 8 12.70% 1 11.11%
huacai chen huacai chen 5 7.94% 1 11.11%
rusty russell rusty russell 4 6.35% 2 22.22%
markos chandras markos chandras 3 4.76% 1 11.11%
Total 63 100.00% 9 100.00%

/* preload SMP state for boot cpu */


void smp_prepare_boot_cpu(void)
{
	set_cpu_possible(0, true);
	set_cpu_online(0, true);
	cpumask_set_cpu(0, &cpu_callin_map);
}

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Total 29 100.00% 3 100.00%



int __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
	mp_ops->boot_secondary(cpu, tidle);

	/*
         * Trust is futile.  We should really have timeouts ...
         */
	while (!cpumask_test_cpu(cpu, &cpu_callin_map)) {
		udelay(100);
		schedule();
	}

	synchronise_count_master(cpu);
	return 0;
}

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thomas gleixner thomas gleixner 6 11.32% 2 25.00%
jayachandran c jayachandran c 5 9.43% 1 12.50%
rusty russell rusty russell 2 3.77% 1 12.50%
Total 53 100.00% 8 100.00%

/* Not really SMP stuff ... */


int setup_profiling_timer(unsigned int multiplier)
{
	return 0;
}

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static void flush_tlb_all_ipi(void *info)
{
	local_flush_tlb_all();
}

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void flush_tlb_all(void)
{
	on_each_cpu(flush_tlb_all_ipi, NULL, 1);
}

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static void flush_tlb_mm_ipi(void *mm)
{
	local_flush_tlb_mm((struct mm_struct *)mm);
}

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/*
 * Special Variant of smp_call_function for use by TLB functions:
 *
 *  o No return value
 *  o collapses to normal function call on UP kernels
 *  o collapses to normal function call on systems with a single shared
 *    primary cache.
 */


static inline void smp_on_other_tlbs(void (*func) (void *info), void *info)
{
	smp_call_function(func, info, 1);
}

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static inline void smp_on_each_tlb(void (*func) (void *info), void *info)
{
	preempt_disable();

	smp_on_other_tlbs(func, info);
	func(info);

	preempt_enable();
}

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/*
 * The following tlb flush calls are invoked when old translations are
 * being torn down, or pte attributes are changing. For single threaded
 * address spaces, a new context is obtained on the current cpu, and tlb
 * context on other cpus are invalidated to force a new context allocation
 * at switch_mm time, should the mm ever be used on other cpus. For
 * multithreaded address spaces, intercpu interrupts have to be sent.
 * Another case where intercpu interrupts are required is when the target
 * mm might be active on another cpu (eg debuggers doing the flushes on
 * behalf of debugees, kswapd stealing pages from another process etc).
 * Kanoj 07/00.
 */



void flush_tlb_mm(struct mm_struct *mm)
{
	preempt_disable();

	if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) {
		smp_on_other_tlbs(flush_tlb_mm_ipi, mm);
	} else {
		unsigned int cpu;

		for_each_online_cpu(cpu) {
			if (cpu != smp_processor_id() && cpu_context(cpu, mm))
				cpu_context(cpu, mm) = 0;
		}
	}
	local_flush_tlb_mm(mm);

	preempt_enable();
}

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Total 88 100.00% 5 100.00%


struct flush_tlb_data {
	
struct vm_area_struct *vma;
	
unsigned long addr1;
	
unsigned long addr2;
};



static void flush_tlb_range_ipi(void *info)
{
	struct flush_tlb_data *fd = info;

	local_flush_tlb_range(fd->vma, fd->addr1, fd->addr2);
}

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Total 32 100.00% 2 100.00%



void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
{
	struct mm_struct *mm = vma->vm_mm;

	preempt_disable();
	if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) {
		struct flush_tlb_data fd = {
			.vma = vma,
			.addr1 = start,
			.addr2 = end,
                };

		smp_on_other_tlbs(flush_tlb_range_ipi, &fd);
	} else {
		unsigned int cpu;
		int exec = vma->vm_flags & VM_EXEC;

		for_each_online_cpu(cpu) {
			/*
                         * flush_cache_range() will only fully flush icache if
                         * the VMA is executable, otherwise we must invalidate
                         * ASID without it appearing to has_valid_asid() as if
                         * mm has been completely unused by that CPU.
                         */
			if (cpu != smp_processor_id() && cpu_context(cpu, mm))
				cpu_context(cpu, mm) = !exec;
		}
	}
	local_flush_tlb_range(vma, start, end);
	preempt_enable();
}

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james hogan james hogan 12 8.45% 1 14.29%
rusty russell rusty russell 8 5.63% 1 14.29%
Total 142 100.00% 7 100.00%



static void flush_tlb_kernel_range_ipi(void *info)
{
	struct flush_tlb_data *fd = info;

	local_flush_tlb_kernel_range(fd->addr1, fd->addr2);
}

Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 17 60.71% 1 50.00%
linus torvalds linus torvalds 11 39.29% 1 50.00%
Total 28 100.00% 2 100.00%



void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
	struct flush_tlb_data fd = {
		.addr1 = start,
		.addr2 = end,
        };

	on_each_cpu(flush_tlb_kernel_range_ipi, &fd, 1);
}

Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 33 84.62% 2 66.67%
linus torvalds linus torvalds 6 15.38% 1 33.33%
Total 39 100.00% 3 100.00%



static void flush_tlb_page_ipi(void *info)
{
	struct flush_tlb_data *fd = info;

	local_flush_tlb_page(fd->vma, fd->addr1);
}

Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 27 96.43% 1 50.00%
linus torvalds linus torvalds 1 3.57% 1 50.00%
Total 28 100.00% 2 100.00%



void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
{
	preempt_disable();
	if ((atomic_read(&vma->vm_mm->mm_users) != 1) || (current->mm != vma->vm_mm)) {
		struct flush_tlb_data fd = {
			.vma = vma,
			.addr1 = page,
                };

		smp_on_other_tlbs(flush_tlb_page_ipi, &fd);
	} else {
		unsigned int cpu;

		for_each_online_cpu(cpu) {
			/*
                         * flush_cache_page() only does partial flushes, so
                         * invalidate ASID without it appearing to
                         * has_valid_asid() as if mm has been completely unused
                         * by that CPU.
                         */
			if (cpu != smp_processor_id() && cpu_context(cpu, vma->vm_mm))
				cpu_context(cpu, vma->vm_mm) = 1;
		}
	}
	local_flush_tlb_page(vma, page);
	preempt_enable();
}

Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 95 79.17% 4 57.14%
linus torvalds linus torvalds 15 12.50% 1 14.29%
rusty russell rusty russell 8 6.67% 1 14.29%
james hogan james hogan 2 1.67% 1 14.29%
Total 120 100.00% 7 100.00%



static void flush_tlb_one_ipi(void *info)
{
	unsigned long vaddr = (unsigned long) info;

	local_flush_tlb_one(vaddr);
}

Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 24 96.00% 1 50.00%
linus torvalds linus torvalds 1 4.00% 1 50.00%
Total 25 100.00% 2 100.00%



void flush_tlb_one(unsigned long vaddr)
{
	smp_on_each_tlb(flush_tlb_one_ipi, (void *) vaddr);
}

Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 11 55.00% 2 66.67%
linus torvalds linus torvalds 9 45.00% 1 33.33%
Total 20 100.00% 3 100.00%


EXPORT_SYMBOL(flush_tlb_page);

EXPORT_SYMBOL(flush_tlb_one);

#if defined(CONFIG_KEXEC)

void (*dump_ipi_function_ptr)(void *) = NULL;


void dump_send_ipi(void (*dump_ipi_callback)(void *))
{
	int i;
	int cpu = smp_processor_id();

	dump_ipi_function_ptr = dump_ipi_callback;
	smp_mb();
	for_each_online_cpu(i)
		if (i != cpu)
			mp_ops->send_ipi_single(i, SMP_DUMP);

}
Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 50 100.00% 1 100.00%
Total 50 100.00% 1 100.00%


EXPORT_SYMBOL(dump_send_ipi);
#endif

#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST

static DEFINE_PER_CPU(atomic_t, tick_broadcast_count);
static DEFINE_PER_CPU(struct call_single_data, tick_broadcast_csd);



void tick_broadcast(const struct cpumask *mask)
{
	atomic_t *count;
	struct call_single_data *csd;
	int cpu;

	for_each_cpu(cpu, mask) {
		count = &per_cpu(tick_broadcast_count, cpu);
		csd = &per_cpu(tick_broadcast_csd, cpu);

		if (atomic_inc_return(count) == 1)
			smp_call_function_single_async(cpu, csd);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
paul burton paul burton 67 100.00% 1 100.00%
Total 67 100.00% 1 100.00%



static void tick_broadcast_callee(void *info)
{
	int cpu = smp_processor_id();
	tick_receive_broadcast();
	atomic_set(&per_cpu(tick_broadcast_count, cpu), 0);
}

Contributors
Person Tokens Prop Commits CommitProp
paul burton paul burton 32 100.00% 1 100.00%
Total 32 100.00% 1 100.00%



static int __init tick_broadcast_init(void)
{
	struct call_single_data *csd;
	int cpu;

	for (cpu = 0; cpu < NR_CPUS; cpu++) {
		csd = &per_cpu(tick_broadcast_csd, cpu);
		csd->func = tick_broadcast_callee;
	}

	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
paul burton paul burton 51 100.00% 1 100.00%
Total 51 100.00% 1 100.00%


early_initcall(tick_broadcast_init);

#endif /* CONFIG_GENERIC_CLOCKEVENTS_BROADCAST */
Overall Contributors
Person Tokens Prop Commits CommitProp
ralf baechle ralf baechle 833 34.85% 18 30.00%
qais yousef qais yousef 461 19.29% 1 1.67%
paul burton paul burton 208 8.70% 4 6.67%
matt redfearn matt redfearn 194 8.12% 3 5.00%
linus torvalds linus torvalds 194 8.12% 2 3.33%
markos chandras markos chandras 106 4.44% 1 1.67%
andrew morton andrew morton 104 4.35% 1 1.67%
huacai chen huacai chen 102 4.27% 1 1.67%
rusty russell rusty russell 58 2.43% 3 5.00%
james hogan james hogan 38 1.59% 4 6.67%
yong zhang yong zhang 18 0.75% 3 5.00%
david daney david daney 13 0.54% 2 3.33%
thomas gleixner thomas gleixner 10 0.42% 4 6.67%
jayachandran c jayachandran c 8 0.33% 1 1.67%
nick piggin nick piggin 8 0.33% 1 1.67%
andrew bresticker andrew bresticker 6 0.25% 1 1.67%
manfred spraul manfred spraul 5 0.21% 1 1.67%
sanjay lal sanjay lal 5 0.21% 1 1.67%
rojhalat ibrahim rojhalat ibrahim 3 0.13% 1 1.67%
hemmo nieminen hemmo nieminen 3 0.13% 1 1.67%
wu zhangjin wu zhangjin 3 0.13% 1 1.67%
david howells david howells 3 0.13% 1 1.67%
alexey dobriyan alexey dobriyan 3 0.13% 1 1.67%
thiemo seufer thiemo seufer 2 0.08% 1 1.67%
paul gortmaker paul gortmaker 1 0.04% 1 1.67%
arun sharma arun sharma 1 0.04% 1 1.67%
Total 2390 100.00% 60 100.00%
Directory: arch/mips/kernel

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
ralf baechle	ralf baechle	79	76.70%	1	33.33%
huacai chen	huacai chen	14	13.59%	1	33.33%
rusty russell	rusty russell	10	9.71%	1	33.33%
	Total	103	100.00%	3	100.00%
cregit-Linux how code gets into the kernel

Release 4.10 arch/mips/kernel/smp.c

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