cregit-Linux how code gets into the kernel

Release 4.14 arch/x86/kernel/acpi/boot.c

Directory: arch/x86/kernel/acpi
/*
 *  boot.c - Architecture-Specific Low-Level ACPI Boot Support
 *
 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
 *  Copyright (C) 2001 Jun Nakajima <jun.nakajima@intel.com>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  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
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/acpi_pmtmr.h>
#include <linux/efi.h>
#include <linux/cpumask.h>
#include <linux/export.h>
#include <linux/dmi.h>
#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/efi-bgrt.h>

#include <asm/e820/api.h>
#include <asm/irqdomain.h>
#include <asm/pci_x86.h>
#include <asm/pgtable.h>
#include <asm/io_apic.h>
#include <asm/apic.h>
#include <asm/io.h>
#include <asm/mpspec.h>
#include <asm/smp.h>
#include <asm/i8259.h>

#include "sleep.h" /* To include x86_acpi_suspend_lowlevel */

static int __initdata acpi_force = 0;

int acpi_disabled;

EXPORT_SYMBOL(acpi_disabled);

#ifdef	CONFIG_X86_64
# include <asm/proto.h>
#endif				/* X86 */


#define PREFIX			"ACPI: "


int acpi_noirq;				
/* skip ACPI IRQ initialization */

int acpi_pci_disabled;		
/* skip ACPI PCI scan and IRQ initialization */

EXPORT_SYMBOL(acpi_pci_disabled);


int acpi_lapic;

int acpi_ioapic;

int acpi_strict;

int acpi_disable_cmcff;


u8 acpi_sci_flags __initdata;

int acpi_sci_override_gsi __initdata;

int acpi_skip_timer_override __initdata;

int acpi_use_timer_override __initdata;

int acpi_fix_pin2_polarity __initdata;

#ifdef CONFIG_X86_LOCAL_APIC

static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
#endif

#ifdef CONFIG_X86_IO_APIC
/*
 * Locks related to IOAPIC hotplug
 * Hotplug side:
 *      ->device_hotplug_lock
 *              ->acpi_ioapic_lock
 *                      ->ioapic_lock
 * Interrupt mapping side:
 *      ->acpi_ioapic_lock
 *              ->ioapic_mutex
 *                      ->ioapic_lock
 */
static DEFINE_MUTEX(acpi_ioapic_lock);
#endif

/* --------------------------------------------------------------------------
                              Boot-time Configuration
   -------------------------------------------------------------------------- */

/*
 * The default interrupt routing model is PIC (8259).  This gets
 * overridden if IOAPICs are enumerated (below).
 */

enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC;


/*
 * ISA irqs by default are the first 16 gsis but can be
 * any gsi as specified by an interrupt source override.
 */

static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = {
	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
};


#define	ACPI_INVALID_GSI		INT_MIN

/*
 * This is just a simple wrapper around early_memremap(),
 * with sanity checks for phys == 0 and size == 0.
 */



void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{

	if (!phys || !size)
		return NULL;

	return early_memremap(phys, size);
}


Contributors
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Len Brown2057.14%111.11%


Andy Grover514.29%222.22%


Yinghai Lu411.43%222.22%


Andy Shevchenko38.57%111.11%


Tom Lendacky12.86%111.11%


Jeremy Fitzhardinge12.86%111.11%


Jan Beulich12.86%111.11%


Total35100.00%9100.00%






void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
	if (!map || !size)
		return;

	early_memunmap(map, size);
}


Contributors
PersonTokensPropCommitsCommitProp
Yinghai Lu1341.94%114.29%


Andy Grover1032.26%228.57%


Jeremy Fitzhardinge516.13%228.57%


Andy Shevchenko26.45%114.29%


Tom Lendacky13.23%114.29%


Total31100.00%7100.00%



#ifdef CONFIG_X86_LOCAL_APIC



static int __init acpi_parse_madt(struct acpi_table_header *table)
{
	struct acpi_table_madt *madt = NULL;

	if (!boot_cpu_has(X86_FEATURE_APIC))
		return -EINVAL;

	madt = (struct acpi_table_madt *)table;
	if (!madt) {
		printk(KERN_WARNING PREFIX "Unable to map MADT\n");
		return -ENODEV;
	}

	if (madt->address) {
		acpi_lapic_addr = (u64) madt->address;

		printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n",
		       madt->address);
	}

	default_acpi_madt_oem_check(madt->header.oem_id,
				    madt->header.oem_table_id);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andy Grover7070.00%222.22%


Martin J. Bligh1414.00%111.11%


Alexey Y. Starikovskiy88.00%333.33%


Borislav Petkov44.00%111.11%


Len Brown33.00%111.11%


Ingo Molnar11.00%111.11%


Total100100.00%9100.00%



/**
 * acpi_register_lapic - register a local apic and generates a logic cpu number
 * @id: local apic id to register
 * @acpiid: ACPI id to register
 * @enabled: this cpu is enabled or not
 *
 * Returns the logic cpu number which maps to the local apic
 */



static int acpi_register_lapic(int id, u32 acpiid, u8 enabled)
{
	unsigned int ver = 0;
	int cpu;

	if (id >= MAX_LOCAL_APIC) {
		printk(KERN_INFO PREFIX "skipped apicid that is too big\n");
		return -EINVAL;
	}

	if (!enabled) {
		++disabled_cpus;
		return -EINVAL;
	}

	if (boot_cpu_physical_apicid != -1U)
		ver = boot_cpu_apic_version;

	cpu = generic_processor_info(id, ver);
	if (cpu >= 0)
		early_per_cpu(x86_cpu_to_acpiid, cpu) = acpiid;

	return cpu;
}


Contributors
PersonTokensPropCommitsCommitProp
Yinghai Lu2930.85%228.57%


Vitaly Kuznetsov2627.66%114.29%


Alexey Y. Starikovskiy1718.09%114.29%


Dou Liyang1515.96%114.29%


Jiang Liu66.38%114.29%


Denys Vlasenko11.06%114.29%


Total94100.00%7100.00%





static int __init

acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
{
	struct acpi_madt_local_x2apic *processor = NULL;
#ifdef CONFIG_X86_X2APIC
	int apic_id;
	u8 enabled;
#endif

	processor = (struct acpi_madt_local_x2apic *)header;

	if (BAD_MADT_ENTRY(processor, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

#ifdef CONFIG_X86_X2APIC
	apic_id = processor->local_apic_id;
	enabled = processor->lapic_flags & ACPI_MADT_ENABLED;

	/*
         * We need to register disabled CPU as well to permit
         * counting disabled CPUs. This allows us to size
         * cpus_possible_map more accurately, to permit
         * to not preallocating memory for all NR_CPUS
         * when we use CPU hotplug.
         */
	if (!apic->apic_id_valid(apic_id) && enabled)
		printk(KERN_WARNING PREFIX "x2apic entry ignored\n");
	else
		acpi_register_lapic(apic_id, processor->uid, enabled);
#else
	printk(KERN_WARNING PREFIX "x2apic entry ignored\n");
#endif

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Suresh B. Siddha7157.72%116.67%


Yinghai Lu3226.02%116.67%


Andy Shevchenko86.50%116.67%


Steffen Persvold54.07%116.67%


Vitaly Kuznetsov43.25%116.67%


Andy Grover32.44%116.67%


Total123100.00%6100.00%





static int __init

acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
{
	struct acpi_madt_local_apic *processor = NULL;

	processor = (struct acpi_madt_local_apic *)header;

	if (BAD_MADT_ENTRY(processor, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	/* Ignore invalid ID */
	if (processor->id == 0xff)
		return 0;

	/*
         * We need to register disabled CPU as well to permit
         * counting disabled CPUs. This allows us to size
         * cpus_possible_map more accurately, to permit
         * to not preallocating memory for all NR_CPUS
         * when we use CPU hotplug.
         */
	acpi_register_lapic(processor->id,	/* APIC ID */
			    processor->processor_id, /* ACPI ID */
			    processor->lapic_flags & ACPI_MADT_ENABLED);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andy Grover4754.65%330.00%


Thomas Gleixner1213.95%110.00%


Len Brown1011.63%110.00%


Alexey Y. Starikovskiy89.30%220.00%


Vitaly Kuznetsov55.81%110.00%


Suresh B. Siddha33.49%110.00%


Ashok Raj11.16%110.00%


Total86100.00%10100.00%





static int __init

acpi_parse_sapic(struct acpi_subtable_header *header, const unsigned long end)
{
	struct acpi_madt_local_sapic *processor = NULL;

	processor = (struct acpi_madt_local_sapic *)header;

	if (BAD_MADT_ENTRY(processor, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	acpi_register_lapic((processor->id << 8) | processor->eid,/* APIC ID */
			    processor->processor_id, /* ACPI ID */
			    processor->lapic_flags & ACPI_MADT_ENABLED);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jack Steiner7288.89%120.00%


Vitaly Kuznetsov56.17%120.00%


Andy Grover33.70%240.00%


Alexey Y. Starikovskiy11.23%120.00%


Total81100.00%5100.00%





static int __init

acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
			  const unsigned long end)
{
	struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL;

	lapic_addr_ovr = (struct acpi_madt_local_apic_override *)header;

	if (BAD_MADT_ENTRY(lapic_addr_ovr, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	acpi_lapic_addr = lapic_addr_ovr->address;

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andy Grover3863.33%233.33%


Len Brown1016.67%116.67%


Baoquan He58.33%116.67%


Alexey Y. Starikovskiy46.67%116.67%


Jack Steiner35.00%116.67%


Total60100.00%6100.00%





static int __init

acpi_parse_x2apic_nmi(struct acpi_subtable_header *header,
		      const unsigned long end)
{
	struct acpi_madt_local_x2apic_nmi *x2apic_nmi = NULL;

	x2apic_nmi = (struct acpi_madt_local_x2apic_nmi *)header;

	if (BAD_MADT_ENTRY(x2apic_nmi, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	if (x2apic_nmi->lint != 1)
		printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n");

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Suresh B. Siddha6595.59%133.33%


Andy Grover34.41%266.67%


Total68100.00%3100.00%





static int __init

acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
{
	struct acpi_madt_local_apic_nmi *lapic_nmi = NULL;

	lapic_nmi = (struct acpi_madt_local_apic_nmi *)header;

	if (BAD_MADT_ENTRY(lapic_nmi, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	if (lapic_nmi->lint != 1)
		printk(KERN_WARNING PREFIX "NMI not connected to LINT 1!\n");

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andy Grover5175.00%240.00%


Len Brown1014.71%120.00%


Alexey Y. Starikovskiy45.88%120.00%


Suresh B. Siddha34.41%120.00%


Total68100.00%5100.00%



#endif				/*CONFIG_X86_LOCAL_APIC */

#ifdef CONFIG_X86_IO_APIC

#define MP_ISA_BUS		0




static void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
					  u32 gsi)
{
	int ioapic;
	int pin;
	struct mpc_intsrc mp_irq;

	/*
         * Check bus_irq boundary.
         */
	if (bus_irq >= NR_IRQS_LEGACY) {
		pr_warn("Invalid bus_irq %u for legacy override\n", bus_irq);
		return;
	}

	/*
         * Convert 'gsi' to 'ioapic.pin'.
         */
	ioapic = mp_find_ioapic(gsi);
	if (ioapic < 0)
		return;
	pin = mp_find_ioapic_pin(ioapic, gsi);

	/*
         * TBD: This check is for faulty timer entries, where the override
         *      erroneously sets the trigger to level, resulting in a HUGE
         *      increase of timer interrupts!
         */
	if ((bus_irq == 0) && (trigger == 3))
		trigger = 1;

	mp_irq.type = MP_INTSRC;
	mp_irq.irqtype = mp_INT;
	mp_irq.irqflag = (trigger << 2) | polarity;
	mp_irq.srcbus = MP_ISA_BUS;
	mp_irq.srcbusirq = bus_irq;	/* IRQ */
	mp_irq.dstapic = mpc_ioapic_id(ioapic); /* APIC ID */
	mp_irq.dstirq = pin;	/* INTIN# */

	mp_save_irq(&mp_irq);

	/*
         * Reset default identity mapping if gsi is also an legacy IRQ,
         * otherwise there will be more than one entry with the same GSI
         * and acpi_isa_irq_to_gsi() may give wrong result.
         */
	if (gsi < nr_legacy_irqs() && isa_irq_to_gsi[gsi] == gsi)
		isa_irq_to_gsi[gsi] = ACPI_INVALID_GSI;
	isa_irq_to_gsi[bus_irq] = gsi;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu10760.11%433.33%


Len Brown2715.17%325.00%


Andy Grover2212.36%216.67%


Seunghun Han179.55%18.33%


Eric W. Biedermann31.69%18.33%


Alexey Y. Starikovskiy21.12%18.33%


Total178100.00%12100.00%






static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
			int polarity)
{
#ifdef CONFIG_X86_MPPARSE
	struct mpc_intsrc mp_irq;
	struct pci_dev *pdev;
	unsigned char number;
	unsigned int devfn;
	int ioapic;
	u8 pin;

	if (!acpi_ioapic)
		return 0;
	if (!dev || !dev_is_pci(dev))
		return 0;

	pdev = to_pci_dev(dev);
	number = pdev->bus->number;
	devfn = pdev->devfn;
	pin = pdev->pin;
	/* print the entry should happen on mptable identically */
	mp_irq.type = MP_INTSRC;
	mp_irq.irqtype = mp_INT;
	mp_irq.irqflag = (trigger == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) |
				(polarity == ACPI_ACTIVE_HIGH ? 1 : 3);
	mp_irq.srcbus = number;
	mp_irq.srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3);
	ioapic = mp_find_ioapic(gsi);
	mp_irq.dstapic = mpc_ioapic_id(ioapic);
	mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi);

	mp_save_irq(&mp_irq);
#endif
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu15676.47%111.11%


Andy Grover2512.25%222.22%


Len Brown104.90%333.33%


Andreas Herrmann73.43%111.11%


Feng Tang41.96%111.11%


Alexey Y. Starikovskiy20.98%111.11%


Total204100.00%9100.00%





static int __init

acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
	struct acpi_madt_io_apic *ioapic = NULL;
	struct ioapic_domain_cfg cfg = {
		.type = IOAPIC_DOMAIN_DYNAMIC,
		.ops = &mp_ioapic_irqdomain_ops,
        };

	ioapic = (struct acpi_madt_io_apic *)header;

	if (BAD_MADT_ENTRY(ioapic, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	/* Statically assign IRQ numbers for IOAPICs hosting legacy IRQs */
	if (ioapic->global_irq_base < nr_legacy_irqs())
		cfg.type = IOAPIC_DOMAIN_LEGACY;

	mp_register_ioapic(ioapic->id, ioapic->address, ioapic->global_irq_base,
			   &cfg);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu5451.43%321.43%


Andy Grover2321.90%321.43%


Len Brown2019.05%428.57%


Jeremy Fitzhardinge43.81%17.14%


Yinghai Lu21.90%17.14%


Alexey Y. Starikovskiy10.95%17.14%


Thomas Gleixner10.95%17.14%


Total105100.00%14100.00%



/*
 * Parse Interrupt Source Override for the ACPI SCI
 */



static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, u32 gsi)
{
	if (trigger == 0)	/* compatible SCI trigger is level */
		trigger = 3;

	if (polarity == 0)	/* compatible SCI polarity is low */
		polarity = 3;

	/* Command-line over-ride via acpi_sci= */
	if (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)
		trigger = (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2;

	if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK)
		polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK;

	mp_override_legacy_irq(bus_irq, polarity, trigger, gsi);
	acpi_penalize_sci_irq(bus_irq, trigger, polarity);

	/*
         * stash over-ride to indicate we've been here
         * and for later update of acpi_gbl_FADT
         */
	acpi_sci_override_gsi = gsi;
	return;
}


Contributors
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Jiang Liu5658.33%19.09%


Len Brown1616.67%436.36%


Jeremy Fitzhardinge1010.42%19.09%


Sinan Kaya99.38%19.09%


Yinghai Lu22.08%218.18%


Linus Torvalds22.08%19.09%


Natalie Protasevich11.04%19.09%


Total96100.00%11100.00%





static int __init

acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
		       const unsigned long end)
{
	struct acpi_madt_interrupt_override *intsrc = NULL;

	intsrc = (struct acpi_madt_interrupt_override *)header;

	if (BAD_MADT_ENTRY(intsrc, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
		acpi_sci_ioapic_setup(intsrc->source_irq,
				      intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
				      (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
				      intsrc->global_irq);
		return 0;
	}

	if (intsrc->source_irq == 0) {
		if (acpi_skip_timer_override) {
			printk(PREFIX "BIOS IRQ0 override ignored.\n");
			return 0;
		}

		if ((intsrc->global_irq == 2) && acpi_fix_pin2_polarity
			&& (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
			intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
			printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
		}
	}

	mp_override_legacy_irq(intsrc->source_irq,
				intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
				(intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
				intsrc->global_irq);

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu12769.40%18.33%


Jeremy Fitzhardinge189.84%18.33%


Eric W. Biedermann105.46%216.67%


Len Brown94.92%325.00%


Andy Shevchenko63.28%18.33%


Björn Helgaas52.73%18.33%


Yinghai Lu31.64%18.33%


Huang Ying31.64%18.33%


Konrad Rzeszutek Wilk21.09%18.33%


Total183100.00%12100.00%





static int __init

acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
{
	struct acpi_madt_nmi_source *nmi_src = NULL;

	nmi_src = (struct acpi_madt_nmi_source *)header;

	if (BAD_MADT_ENTRY(nmi_src, end))
		return -EINVAL;

	acpi_table_print_madt_entry(header);

	/* TBD: Support nimsrc entries? */

	return 0;
}


Contributors
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Jiang Liu3767.27%133.33%


Jeremy Fitzhardinge1527.27%133.33%


Len Brown35.45%133.33%


Total55100.00%3100.00%



#endif				/* CONFIG_X86_IO_APIC */

/*
 * acpi_pic_sci_set_trigger()
 *
 * use ELCR to set PIC-mode trigger type for SCI
 *
 * If a PIC-mode SCI is not recognized or gives spurious IRQ7's
 * it may require Edge Trigger -- use "acpi_sci=edge"
 *
 * Port 0x4d0-4d1 are ECLR1 and ECLR2, the Edge/Level Control Registers
 * for the 8259 PIC.  bit[n] = 1 means irq[n] is Level, otherwise Edge.
 * ECLR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0)
 * ECLR2 is IRQs 8-15 (IRQ 8, 13 must be 0)
 */




void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
{
	unsigned int mask = 1 << irq;
	unsigned int old, new;

	/* Real old ELCR mask */
	old = inb(0x4d0) | (inb(0x4d1) << 8);

	/*
         * If we use ACPI to set PCI IRQs, then we should clear ELCR
         * since we will set it correctly as we enable the PCI irq
         * routing.
         */
	new = acpi_noirq ? old : 0;

	/*
         * Update SCI information in the ELCR, it isn't in the PCI
         * routing tables..
         */
	switch (trigger) {
	case 1:		/* Edge - clear */
		new &= ~mask;
		break;
	case 3:		/* Level - set */
		new |= mask;
		break;
	}

	if (old == new)
		return;

	printk(PREFIX "setting ELCR to %04x (from %04x)\n", new, old);
	outb(new, 0x4d0);
	outb(new >> 8, 0x4d1);
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu8676.79%120.00%


Haicheng Li2118.75%120.00%


Tejun Heo32.68%120.00%


Konrad Rzeszutek Wilk10.89%120.00%


Jeremy Fitzhardinge10.89%120.00%


Total112100.00%5100.00%






int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp)
{
	int rc, irq, trigger, polarity;

	if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
		*irqp = gsi;
		return 0;
	}

	rc = acpi_get_override_irq(gsi, &trigger, &polarity);
	if (rc == 0) {
		trigger = trigger ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
		polarity = polarity ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
		irq = acpi_register_gsi(NULL, gsi, trigger, polarity);
		if (irq >= 0) {
			*irqp = irq;
			return 0;
		}
	}

	return -1;
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu9285.19%866.67%


Ashok Raj76.48%18.33%


Len Brown54.63%216.67%


Jeremy Fitzhardinge43.70%18.33%


Total108100.00%12100.00%




EXPORT_SYMBOL_GPL(acpi_gsi_to_irq);




int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi)
{
	if (isa_irq < nr_legacy_irqs() &&
	    isa_irq_to_gsi[isa_irq] != ACPI_INVALID_GSI) {
		*gsi = isa_irq_to_gsi[isa_irq];
		return 0;
	}

	return -1;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu3274.42%555.56%


Ashok Raj511.63%111.11%


Andy Shevchenko49.30%111.11%


Rusty Russell12.33%111.11%


Jeremy Fitzhardinge12.33%111.11%


Total43100.00%9100.00%






static int acpi_register_gsi_pic(struct device *dev, u32 gsi,
				 int trigger, int polarity)
{
#ifdef CONFIG_PCI
	/*
         * Make sure all (legacy) PCI IRQs are set as level-triggered.
         */
	if (trigger == ACPI_LEVEL_SENSITIVE)
		elcr_set_level_irq(gsi);
#endif

	return gsi;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu2050.00%240.00%


Sam Ravnborg1025.00%120.00%


Haicheng Li922.50%120.00%


Paul Gortmaker12.50%120.00%


Total40100.00%5100.00%



#ifdef CONFIG_X86_LOCAL_APIC



static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
				    int trigger, int polarity)
{
	int irq = gsi;
#ifdef CONFIG_X86_IO_APIC
	int node;
	struct irq_alloc_info info;

	node = dev ? dev_to_node(dev) : NUMA_NO_NODE;
	trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1;
	polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1;
	ioapic_set_alloc_attr(&info, node, trigger, polarity);

	mutex_lock(&acpi_ioapic_lock);
	irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info);
	/* Don't set up the ACPI SCI because it's already set up */
	if (irq >= 0 && enable_update_mptable &&
	    acpi_gbl_FADT.sci_interrupt != gsi)
		mp_config_acpi_gsi(dev, gsi, trigger, polarity);
	mutex_unlock(&acpi_ioapic_lock);
#endif

	return irq;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu11384.96%650.00%


Wen Congyang96.77%18.33%


Len Brown86.02%216.67%


Ashok Raj10.75%18.33%


Sam Ravnborg10.75%18.33%


Haicheng Li10.75%18.33%


Total133100.00%12100.00%






static void acpi_unregister_gsi_ioapic(u32 gsi)
{
#ifdef CONFIG_X86_IO_APIC
	int irq;

	mutex_lock(&acpi_ioapic_lock);
	irq = mp_map_gsi_to_irq(gsi, 0, NULL);
	if (irq > 0)
		mp_unmap_irq(irq);
	mutex_unlock(&acpi_ioapic_lock);
#endif
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu4894.12%375.00%


Len Brown35.88%125.00%


Total51100.00%4100.00%



#endif


int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
			   int trigger, int polarity) = acpi_register_gsi_pic;

void (*__acpi_unregister_gsi)(u32 gsi) = NULL;

#ifdef CONFIG_ACPI_SLEEP

int (*acpi_suspend_lowlevel)(void) = x86_acpi_suspend_lowlevel;
#else

int (*acpi_suspend_lowlevel)(void);
#endif

/*
 * success: return IRQ number (>=0)
 * failure: return < 0
 */



int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
{
	return __acpi_register_gsi(dev, gsi, trigger, polarity);
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu2270.97%133.33%


Kenji Kaneshige825.81%133.33%


Len Brown13.23%133.33%


Total31100.00%3100.00%




EXPORT_SYMBOL_GPL(acpi_register_gsi);




void acpi_unregister_gsi(u32 gsi)
{
	if (__acpi_unregister_gsi)
		__acpi_unregister_gsi(gsi);
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu1270.59%266.67%


Kenji Kaneshige529.41%133.33%


Total17100.00%3100.00%




EXPORT_SYMBOL_GPL(acpi_unregister_gsi);

#ifdef CONFIG_X86_LOCAL_APIC



static void __init acpi_set_irq_model_ioapic(void)
{
	acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC;
	__acpi_register_gsi = acpi_register_gsi_ioapic;
	__acpi_unregister_gsi = acpi_unregister_gsi_ioapic;
	acpi_ioapic = 1;
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu1560.00%266.67%


Len Brown1040.00%133.33%


Total25100.00%3100.00%



#endif

/*
 *  ACPI based hotplug support for CPU
 */
#ifdef CONFIG_ACPI_HOTPLUG_CPU
#include <acpi/processor.h>




static int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
{
#ifdef CONFIG_ACPI_NUMA
	int nid;

	nid = acpi_get_node(handle);
	if (nid != NUMA_NO_NODE) {
		set_apicid_to_node(physid, nid);
		numa_set_node(cpu, nid);
	}
#endif
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu2545.45%114.29%


Thomas Gleixner1323.64%114.29%


Andrew Morton712.73%114.29%


Gu Zheng47.27%114.29%


Venkatesh Pallipadi47.27%114.29%


Dou Liyang11.82%114.29%


Boris Ostrovsky11.82%114.29%


Total55100.00%7100.00%






int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
		 int *pcpu)
{
	int cpu;

	cpu = acpi_register_lapic(physid, acpi_id, ACPI_MADT_ENABLED);
	if (cpu < 0) {
		pr_info(PREFIX "Unable to map lapic to logical cpu number\n");
		return cpu;
	}

	acpi_processor_set_pdc(handle);
	acpi_map_cpu2node(handle, cpu, physid);

	*pcpu = cpu;
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu3954.93%111.11%


Andrew Morton1216.90%111.11%


Aaron Durbin912.68%111.11%


Vitaly Kuznetsov57.04%222.22%


Mathias Krause22.82%111.11%


Venkatesh Pallipadi22.82%111.11%


Thomas Gleixner11.41%111.11%


Suresh B. Siddha11.41%111.11%


Total71100.00%9100.00%




EXPORT_SYMBOL(acpi_map_cpu);




int acpi_unmap_cpu(int cpu)
{
#ifdef CONFIG_ACPI_NUMA
	set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE);
#endif

	per_cpu(x86_cpu_to_apicid, cpu) = -1;
	set_cpu_present(cpu, false);
	num_processors--;

	return (0);
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu2958.00%120.00%


Aaron Durbin918.00%120.00%


Andrew Morton612.00%120.00%


Thomas Gleixner510.00%120.00%


Hanjun Guo12.00%120.00%


Total50100.00%5100.00%




EXPORT_SYMBOL(acpi_unmap_cpu);
#endif				/* CONFIG_ACPI_HOTPLUG_CPU */




int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
{
	int ret = -ENOSYS;
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
	int ioapic_id;
	u64 addr;
	struct ioapic_domain_cfg cfg = {
		.type = IOAPIC_DOMAIN_DYNAMIC,
		.ops = &mp_ioapic_irqdomain_ops,
        };

	ioapic_id = acpi_get_ioapic_id(handle, gsi_base, &addr);
	if (ioapic_id < 0) {
		unsigned long long uid;
		acpi_status status;

		status = acpi_evaluate_integer(handle, METHOD_NAME__UID,
					       NULL, &uid);
		if (ACPI_FAILURE(status)) {
			acpi_handle_warn(handle, "failed to get IOAPIC ID.\n");
			return -EINVAL;
		}
		ioapic_id = (int)uid;
	}

	mutex_lock(&acpi_ioapic_lock);
	ret  = mp_register_ioapic(ioapic_id, phys_addr, gsi_base, &cfg);
	mutex_unlock(&acpi_ioapic_lock);
#endif

	return ret;
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu13894.52%250.00%


Andrew Morton74.79%125.00%


Thomas Gleixner10.68%125.00%


Total146100.00%4100.00%




EXPORT_SYMBOL(acpi_register_ioapic);




int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base)
{
	int ret = -ENOSYS;

#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
	mutex_lock(&acpi_ioapic_lock);
	ret  = mp_unregister_ioapic(gsi_base);
	mutex_unlock(&acpi_ioapic_lock);
#endif

	return ret;
}

Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu4295.45%266.67%


Andrew Morton24.55%133.33%


Total44100.00%3100.00%




EXPORT_SYMBOL(acpi_unregister_ioapic);

/**
 * acpi_ioapic_registered - Check whether IOAPIC assoicatied with @gsi_base
 *                          has been registered
 * @handle:     ACPI handle of the IOAPIC deivce
 * @gsi_base:   GSI base associated with the IOAPIC
 *
 * Assume caller holds some type of lock to serialize acpi_ioapic_registered()
 * with acpi_register_ioapic()/acpi_unregister_ioapic().
 */



int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base)
{
	int ret = 0;

#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
	mutex_lock(&acpi_ioapic_lock);
	ret  = mp_ioapic_registered(gsi_base);
	mutex_unlock(&acpi_ioapic_lock);
#endif

	return ret;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu43100.00%1100.00%


Total43100.00%1100.00%






static int __init acpi_parse_sbf(struct acpi_table_header *table)
{
	struct acpi_table_boot *sb = (struct acpi_table_boot *)table;

	sbf_port = sb->cmos_index;	/* Save CMOS port */

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu1750.00%116.67%


Yinghai Lu1029.41%116.67%


Alexey Y. Starikovskiy411.76%233.33%


Hanjun Guo25.88%116.67%


Andrew Morton12.94%116.67%


Total34100.00%6100.00%



#ifdef CONFIG_HPET_TIMER
#include <asm/hpet.h>


static struct resource *hpet_res __initdata;




static int __init acpi_parse_hpet(struct acpi_table_header *table)
{
	struct acpi_table_hpet *hpet_tbl = (struct acpi_table_hpet *)table;

	if (hpet_tbl->address.space_id != ACPI_SPACE_MEM) {
		printk(KERN_WARNING PREFIX "HPET timers must be located in "
		       "memory.\n");
		return -1;
	}

	hpet_address = hpet_tbl->address.address;
	hpet_blockid = hpet_tbl->sequence;

	/*
         * Some broken BIOSes advertise HPET at 0x0. We really do not
         * want to allocate a resource there.
         */
	if (!hpet_address) {
		printk(KERN_WARNING PREFIX
		       "HPET id: %#x base: %#lx is invalid\n",
		       hpet_tbl->id, hpet_address);
		return 0;
	}
#ifdef CONFIG_X86_64
	/*
         * Some even more broken BIOSes advertise HPET at
         * 0xfed0000000000000 instead of 0xfed00000. Fix it up and add
         * some noise:
         */
	if (hpet_address == 0xfed0000000000000UL) {
		if (!hpet_force_user) {
			printk(KERN_WARNING PREFIX "HPET id: %#x "
			       "base: 0xfed0000000000000 is bogus\n "
			       "try hpet=force on the kernel command line to "
			       "fix it up to 0xfed00000.\n", hpet_tbl->id);
			hpet_address = 0;
			return 0;
		}
		printk(KERN_WARNING PREFIX
		       "HPET id: %#x base: 0xfed0000000000000 fixed up "
		       "to 0xfed00000.\n", hpet_tbl->id);
		hpet_address >>= 32;
	}
#endif
	printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
	       hpet_tbl->id, hpet_address);

	/*
         * Allocate and initialize the HPET firmware resource for adding into
         * the resource tree during the lateinit timeframe.
         */

#define HPET_RESOURCE_NAME_SIZE 9
	hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);

	hpet_res->name = (void *)&hpet_res[1];
	hpet_res->flags = IORESOURCE_MEM;
	snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE, "HPET %u",
		 hpet_tbl->sequence);

	hpet_res->start = hpet_address;
	hpet_res->end = hpet_address + (1 * 1024) - 1;

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu16473.21%112.50%


Andy Grover4218.75%225.00%


Suresh B. Siddha73.12%112.50%


Jack Steiner62.68%112.50%


Jes Sorensen20.89%112.50%


Hanjun Guo20.89%112.50%


Len Brown10.45%112.50%


Total224100.00%8100.00%



/*
 * hpet_insert_resource inserts the HPET resources used into the resource
 * tree.
 */



static __init int hpet_insert_resource(void)
{
	if (!hpet_res)
		return 1;

	return insert_resource(&iomem_resource, hpet_res);
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu1869.23%133.33%


Andy Grover519.23%133.33%


Len Brown311.54%133.33%


Total26100.00%3100.00%




late_initcall(hpet_insert_resource);

#else

#define	acpi_parse_hpet	NULL
#endif




static int __init acpi_parse_fadt(struct acpi_table_header *table)
{
	if (!(acpi_gbl_FADT.boot_flags & ACPI_FADT_LEGACY_DEVICES)) {
		pr_debug("ACPI: no legacy devices present\n");
		x86_platform.legacy.devices.pnpbios = 0;
	}

	if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
	    !(acpi_gbl_FADT.boot_flags & ACPI_FADT_8042) &&
	    x86_platform.legacy.i8042 != X86_LEGACY_I8042_PLATFORM_ABSENT) {
		pr_debug("ACPI: i8042 controller is absent\n");
		x86_platform.legacy.i8042 = X86_LEGACY_I8042_FIRMWARE_ABSENT;
	}

	if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_CMOS_RTC) {
		pr_debug("ACPI: not registering RTC platform device\n");
		x86_platform.legacy.rtc = 0;
	}

#ifdef CONFIG_X86_PM_TIMER
	/* detect the location of the ACPI PM Timer */
	if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) {
		/* FADT rev. 2 */
		if (acpi_gbl_FADT.xpm_timer_block.space_id !=
		    ACPI_ADR_SPACE_SYSTEM_IO)
			return 0;

		pmtmr_ioport = acpi_gbl_FADT.xpm_timer_block.address;
		/*
                 * "X" fields are optional extensions to the original V1.0
                 * fields, so we must selectively expand V1.0 fields if the
                 * corresponding X field is zero.
                 */
		if (!pmtmr_ioport)
			pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
	} else {
		/* FADT rev. 1 */
		pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
	}
	if (pmtmr_ioport)
		printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n",
		       pmtmr_ioport);
#endif
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu6636.26%233.33%


Luis R. Rodriguez5128.02%233.33%


Dmitry Torokhov4223.08%116.67%


Alexey Y. Starikovskiy2312.64%116.67%


Total182100.00%6100.00%



#ifdef	CONFIG_X86_LOCAL_APIC
/*
 * Parse LAPIC entries in MADT
 * returns 0 on success, < 0 on error
 */




static int __init early_acpi_parse_madt_lapic_addr_ovr(void)
{
	int count;

	if (!boot_cpu_has(X86_FEATURE_APIC))
		return -ENODEV;

	/*
         * Note that the LAPIC address is obtained from the MADT (32-bit value)
         * and (optionally) overridden by a LAPIC_ADDR_OVR entry (64-bit value).
         */

	count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE,
				      acpi_parse_lapic_addr_ovr, 0);
	if (count < 0) {
		printk(KERN_ERR PREFIX
		       "Error parsing LAPIC address override entry\n");
		return count;
	}

	register_lapic_address(acpi_lapic_addr);

	return count;
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu2947.54%225.00%


Alexey Y. Starikovskiy1727.87%112.50%


Eric W. Biedermann711.48%112.50%


Borislav Petkov46.56%112.50%


Suresh B. Siddha23.28%112.50%


Yinghai Lu11.64%112.50%


Adam Buchbinder11.64%112.50%


Total61100.00%8100.00%






static int __init acpi_parse_madt_lapic_entries(void)
{
	int count;
	int x2count = 0;
	int ret;
	struct acpi_subtable_proc madt_proc[2];

	if (!boot_cpu_has(X86_FEATURE_APIC))
		return -ENODEV;

	count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC,
				      acpi_parse_sapic, MAX_LOCAL_APIC);

	if (!count) {
		memset(madt_proc, 0, sizeof(madt_proc));
		madt_proc[0].id = ACPI_MADT_TYPE_LOCAL_APIC;
		madt_proc[0].handler = acpi_parse_lapic;
		madt_proc[1].id = ACPI_MADT_TYPE_LOCAL_X2APIC;
		madt_proc[1].handler = acpi_parse_x2apic;
		ret = acpi_table_parse_entries_array(ACPI_SIG_MADT,
				sizeof(struct acpi_table_madt),
				madt_proc, ARRAY_SIZE(madt_proc), MAX_LOCAL_APIC);
		if (ret < 0) {
			printk(KERN_ERR PREFIX
					"Error parsing LAPIC/X2APIC entries\n");
			return ret;
		}

		count = madt_proc[0].count;
		x2count = madt_proc[1].count;
	}
	if (!count && !x2count) {
		printk(KERN_ERR PREFIX "No LAPIC entries present\n");
		/* TBD: Cleanup to allow fallback to MPS */
		return -ENODEV;
	} else if (count < 0 || x2count < 0) {
		printk(KERN_ERR PREFIX "Error parsing LAPIC entry\n");
		/* TBD: Cleanup to allow fallback to MPS */
		return count;
	}

	x2count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC_NMI,
					acpi_parse_x2apic_nmi, 0);
	count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI,
				      acpi_parse_lapic_nmi, 0);
	if (count < 0 || x2count < 0) {
		printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
		/* TBD: Cleanup to allow fallback to MPS */
		return count;
	}
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Lukasz Anaczkowski10139.92%111.11%


Jiang Liu9236.36%111.11%


Yinghai Lu249.49%111.11%


Alexey Y. Starikovskiy218.30%111.11%


Eric W. Biedermann41.58%111.11%


Borislav Petkov41.58%111.11%


Yijing Wang31.19%111.11%


Baoquan He20.79%111.11%


Suresh B. Siddha20.79%111.11%


Total253100.00%9100.00%



#endif				/* CONFIG_X86_LOCAL_APIC */

#ifdef	CONFIG_X86_IO_APIC



static void __init mp_config_acpi_legacy_irqs(void)
{
	int i;
	struct mpc_intsrc mp_irq;

#ifdef CONFIG_EISA
	/*
         * Fabricate the legacy ISA bus (bus #31).
         */
	mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
#endif
	set_bit(MP_ISA_BUS, mp_bus_not_pci);
	pr_debug("Bus #%d is ISA (nIRQs: %d)\n", MP_ISA_BUS, nr_legacy_irqs());

	/*
         * Use the default configuration for the IRQs 0-15.  Unless
         * overridden by (MADT) interrupt source override entries.
         */
	for (i = 0; i < nr_legacy_irqs(); i++) {
		int ioapic, pin;
		unsigned int dstapic;
		int idx;
		u32 gsi;

		/* Locate the gsi that irq i maps to. */
		if (acpi_isa_irq_to_gsi(i, &gsi))
			continue;

		/*
                 * Locate the IOAPIC that manages the ISA IRQ.
                 */
		ioapic = mp_find_ioapic(gsi);
		if (ioapic < 0)
			continue;
		pin = mp_find_ioapic_pin(ioapic, gsi);
		dstapic = mpc_ioapic_id(ioapic);

		for (idx = 0; idx < mp_irq_entries; idx++) {
			struct mpc_intsrc *irq = mp_irqs + idx;

			/* Do we already have a mapping for this ISA IRQ? */
			if (irq->srcbus == MP_ISA_BUS && irq->srcbusirq == i)
				break;

			/* Do we already have a mapping for this IOAPIC pin */
			if (irq->dstapic == dstapic && irq->dstirq == pin)
				break;
		}

		if (idx != mp_irq_entries) {
			printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i);
			continue;	/* IRQ already used */
		}

		mp_irq.type = MP_INTSRC;
		mp_irq.irqflag = 0;	/* Conforming */
		mp_irq.srcbus = MP_ISA_BUS;
		mp_irq.dstapic = dstapic;
		mp_irq.irqtype = mp_INT;
		mp_irq.srcbusirq = i; /* Identity mapped */
		mp_irq.dstirq = pin;

		mp_save_irq(&mp_irq);
	}
}


Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu17169.80%325.00%


Alexey Y. Starikovskiy3614.69%18.33%


Yinghai Lu218.57%325.00%


Jeremy Fitzhardinge52.04%18.33%


Liu Ping Fan41.63%18.33%


Andy Shevchenko41.63%18.33%


Suresh B. Siddha31.22%18.33%


Eric W. Biedermann10.41%18.33%


Total245100.00%12100.00%



/*
 * Parse IOAPIC related entries in MADT
 * returns 0 on success, < 0 on error
 */



static int __init acpi_parse_madt_ioapic_entries(void)
{
	int count;

	/*
         * ACPI interpreter is required to complete interrupt setup,
         * so if it is off, don't enumerate the io-apics with ACPI.
         * If MPS is present, it will handle them,
         * otherwise the system will stay in PIC mode
         */
	if (acpi_disabled || acpi_noirq)
		return -ENODEV;

	if (!boot_cpu_has(X86_FEATURE_APIC))
		return -ENODEV;

	/*
         * if "noapic" boot option, don't look for IO-APICs
         */
	if (skip_ioapic_setup) {
		printk(KERN_INFO PREFIX "Skipping IOAPIC probe "
		       "due to 'noapic' option.\n");
		return -ENODEV;
	}

	count = acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic,
				      MAX_IO_APICS);
	if (!count) {
		printk(KERN_ERR PREFIX "No IOAPIC entries present\n");
		return -ENODEV;
	} else if (count < 0) {
		printk(KERN_ERR PREFIX "Error parsing IOAPIC entry\n");
		return count;
	}

	count = acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE,
				      acpi_parse_int_src_ovr, nr_irqs);
	if (count < 0) {
		printk(KERN_ERR PREFIX
		       "Error parsing interrupt source overrides entry\n");
		/* TBD: Cleanup to allow fallback to MPS */
		return count;
	}

	/*
         * If BIOS did not supply an INT_SRC_OVR for the SCI
         * pretend we got one so we can set the SCI flags.
         */
	if (!acpi_sci_override_gsi)
		acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0,
				      acpi_gbl_FADT.sci_interrupt);

	/* Fill in identity legacy mappings where no override */
	mp_config_acpi_legacy_irqs();

	count = acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE,
				      acpi_parse_nmi_src, nr_irqs);
	if (count < 0) {
		printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
		/* TBD: Cleanup to allow fallback to MPS */
		return count;
	}

	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Andy Grover8545.95%210.00%


Len Brown7138.38%945.00%


Andi Kleen84.32%15.00%


Alexey Y. Starikovskiy52.70%210.00%


Jes Sorensen42.16%15.00%


Eric W. Biedermann42.16%15.00%


Borislav Petkov42.16%15.00%


Yinghai Lu21.08%15.00%


André Goddard Rosa10.54%15.00%


Andrew Morton10.54%15.00%


Total185100.00%20100.00%



#else



static inline int acpi_parse_madt_ioapic_entries(void)
{
	return -1;
}

Contributors
PersonTokensPropCommitsCommitProp
Len Brown13100.00%1100.00%


Total13100.00%1100.00%



#endif	/* !CONFIG_X86_IO_APIC */




static void __init early_acpi_process_madt(void)
{
#ifdef CONFIG_X86_LOCAL_APIC
	int error;

	if (!acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {

		/*
                 * Parse MADT LAPIC entries
                 */
		error = early_acpi_parse_madt_lapic_addr_ovr();
		if (!error) {
			acpi_lapic = 1;
			smp_found_config = 1;
		}
		if (error == -EINVAL) {
			/*
                         * Dell Precision Workstation 410, 610 come here.
                         */
			printk(KERN_ERR PREFIX
			       "Invalid BIOS MADT, disabling ACPI\n");
			disable_acpi();
		}
	}
#endif
}


Contributors
PersonTokensPropCommitsCommitProp
Yinghai Lu69100.00%1100.00%


Total69100.00%1100.00%






static void __init acpi_process_madt(void)
{
#ifdef CONFIG_X86_LOCAL_APIC
	int error;

	if (!acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) {

		/*
                 * Parse MADT LAPIC entries
                 */
		error = acpi_parse_madt_lapic_entries();
		if (!error) {
			acpi_lapic = 1;

			/*
                         * Parse MADT IO-APIC entries
                         */
			mutex_lock(&acpi_ioapic_lock);
			error = acpi_parse_madt_ioapic_entries();
			mutex_unlock(&acpi_ioapic_lock);
			if (!error) {
				acpi_set_irq_model_ioapic();

				smp_found_config = 1;
			}
		}
		if (error == -EINVAL) {
			/*
                         * Dell Precision Workstation 410, 610 come here.
                         */
			printk(KERN_ERR PREFIX
			       "Invalid BIOS MADT, disabling ACPI\n");
			disable_acpi();
		}
	} else {
		/*
                 * ACPI found no MADT, and so ACPI wants UP PIC mode.
                 * In the event an MPS table was found, forget it.
                 * Boot with "acpi=off" to use MPS on such a system.
                 */
		if (smp_found_config) {
			printk(KERN_WARNING PREFIX
				"No APIC-table, disabling MPS\n");
			smp_found_config = 0;
		}
	}

	/*
         * ACPI supports both logical (e.g. Hyper-Threading) and physical
         * processors, where MPS only supports physical.
         */
	if (acpi_lapic && acpi_ioapic)
		printk(KERN_INFO "Using ACPI (MADT) for SMP configuration "
		       "information\n");
	else if (acpi_lapic)
		printk(KERN_INFO "Using ACPI for processor (LAPIC) "
		       "configuration information\n");
#endif
	return;
}


Contributors
PersonTokensPropCommitsCommitProp
Len Brown10069.44%444.44%


Yinghai Lu2618.06%111.11%


Jiang Liu128.33%111.11%


Andy Grover32.08%111.11%


Jeremy Fitzhardinge21.39%111.11%


Alexey Y. Starikovskiy10.69%111.11%


Total144100.00%9100.00%






static int __init disable_acpi_irq(const struct dmi_system_id *d)
{
	if (!acpi_force) {
		printk(KERN_NOTICE "%s detected: force use of acpi=noirq\n",
		       d->ident);
		acpi_noirq_set();
	}
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andrey Panin3597.22%150.00%


Jeff Garzik12.78%150.00%


Total36100.00%2100.00%






static int __init disable_acpi_pci(const struct dmi_system_id *d)
{
	if (!acpi_force) {
		printk(KERN_NOTICE "%s detected: force use of pci=noacpi\n",
		       d->ident);
		acpi_disable_pci();
	}
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andrey Panin3597.22%150.00%


Jeff Garzik12.78%150.00%


Total36100.00%2100.00%






static int __init dmi_disable_acpi(const struct dmi_system_id *d)
{
	if (!acpi_force) {
		printk(KERN_NOTICE "%s detected: acpi off\n", d->ident);
		disable_acpi();
	} else {
		printk(KERN_NOTICE
		       "Warning: DMI blacklist says broken, but acpi forced\n");
	}
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andrey Panin4497.78%150.00%


Jeff Garzik12.22%150.00%


Total45100.00%2100.00%



/*
 * Force ignoring BIOS IRQ0 override
 */



static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
{
	if (!acpi_skip_timer_override) {
		pr_notice("%s detected: Ignoring BIOS IRQ0 override\n",
			d->ident);
		acpi_skip_timer_override = 1;
	}
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Rafael J. Wysocki2877.78%133.33%


Ingo Molnar719.44%133.33%


Feng Tang12.78%133.33%


Total36100.00%3100.00%



/*
 * ACPI offers an alternative platform interface model that removes
 * ACPI hardware requirements for platforms that do not implement
 * the PC Architecture.
 *
 * We initialize the Hardware-reduced ACPI model here:
 */



static void __init acpi_reduced_hw_init(void)
{
	if (acpi_gbl_reduced_hardware) {
		/*
                 * Override x86_init functions and bypass legacy pic
                 * in Hardware-reduced ACPI mode
                 */
		x86_init.timers.timer_init	= x86_init_noop;
		x86_init.irqs.pre_vector_init	= x86_init_noop;
		legacy_pic			= &null_legacy_pic;
	}
}


Contributors
PersonTokensPropCommitsCommitProp
Aubrey Li37100.00%1100.00%


Total37100.00%1100.00%



/*
 * If your system is blacklisted here, but you find that acpi=force
 * works for you, please contact linux-acpi@vger.kernel.org
 */

static const struct dmi_system_id acpi_dmi_table[] __initconst = {
	/*
         * Boxes that need ACPI disabled
         */
	{
	 .callback = dmi_disable_acpi,
	 .ident = "IBM Thinkpad",
	 .matches = {
		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
		     DMI_MATCH(DMI_BOARD_NAME, "2629H1G"),
                     },
         },

	/*
         * Boxes that need ACPI PCI IRQ routing disabled
         */
	{
	 .callback = disable_acpi_irq,
	 .ident = "ASUS A7V",
	 .matches = {
		     DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC"),
		     DMI_MATCH(DMI_BOARD_NAME, "<A7V>"),
		     /* newer BIOS, Revision 1011, does work */
		     DMI_MATCH(DMI_BIOS_VERSION,
			       "ASUS A7V ACPI BIOS Revision 1007"),
                     },
         },
	{
		/*
                 * Latest BIOS for IBM 600E (1.16) has bad pcinum
                 * for LPC bridge, which is needed for the PCI
                 * interrupt links to work. DSDT fix is in bug 5966.
                 * 2645, 2646 model numbers are shared with 600/600E/600X
                 */
	 .callback = disable_acpi_irq,
	 .ident = "IBM Thinkpad 600 Series 2645",
	 .matches = {
		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
		     DMI_MATCH(DMI_BOARD_NAME, "2645"),
                     },
         },
	{
	 .callback = disable_acpi_irq,
	 .ident = "IBM Thinkpad 600 Series 2646",
	 .matches = {
		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
		     DMI_MATCH(DMI_BOARD_NAME, "2646"),
                     },
         },
	/*
         * Boxes that need ACPI PCI IRQ routing and PCI scan disabled
         */
	{			/* _BBN 0 bug */
	 .callback = disable_acpi_pci,
	 .ident = "ASUS PR-DLS",
	 .matches = {
		     DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
		     DMI_MATCH(DMI_BOARD_NAME, "PR-DLS"),
		     DMI_MATCH(DMI_BIOS_VERSION,
			       "ASUS PR-DLS ACPI BIOS Revision 1010"),
		     DMI_MATCH(DMI_BIOS_DATE, "03/21/2003")
		     },
         },
	{
	 .callback = disable_acpi_pci,
	 .ident = "Acer TravelMate 36x Laptop",
	 .matches = {
		     DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
		     DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
                     },
         },
	{}
};

/* second table for DMI checks that should run after early-quirks */

static const struct dmi_system_id acpi_dmi_table_late[] __initconst = {
	/*
         * HP laptops which use a DSDT reporting as HP/SB400/10000,
         * which includes some code which overrides all temperature
         * trip points to 16C if the INTIN2 input of the I/O APIC
         * is enabled.  This input is incorrectly designated the
         * ISA IRQ 0 via an interrupt source override even though
         * it is wired to the output of the master 8259A and INTIN0
         * is not connected at all.  Force ignoring BIOS IRQ0
         * override in that cases.
         */
	{
	 .callback = dmi_ignore_irq0_timer_override,
	 .ident = "HP nx6115 laptop",
	 .matches = {
		     DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
		     DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6115"),
                     },
         },
	{
	 .callback = dmi_ignore_irq0_timer_override,
	 .ident = "HP NX6125 laptop",
	 .matches = {
		     DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
		     DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6125"),
                     },
         },
	{
	 .callback = dmi_ignore_irq0_timer_override,
	 .ident = "HP NX6325 laptop",
	 .matches = {
		     DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
		     DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"),
                     },
         },
	{
	 .callback = dmi_ignore_irq0_timer_override,
	 .ident = "HP 6715b laptop",
	 .matches = {
		     DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
		     DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"),
                     },
         },
	{
	 .callback = dmi_ignore_irq0_timer_override,
	 .ident = "FUJITSU SIEMENS",
	 .matches = {
		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
		     DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
                     },
         },
	{}
};

/*
 * acpi_boot_table_init() and acpi_boot_init()
 *  called from setup_arch(), always.
 *      1. checksums all tables
 *      2. enumerates lapics
 *      3. enumerates io-apics
 *
 * acpi_table_init() is separate to allow reading SRAT without
 * other side effects.
 *
 * side effects of acpi_boot_init:
 *      acpi_lapic = 1 if LAPIC found
 *      acpi_ioapic = 1 if IOAPIC found
 *      if (acpi_lapic && acpi_ioapic) smp_found_config = 1;
 *      if acpi_blacklisted() acpi_disabled = 1;
 *      acpi_irq_model=...
 *      ...
 */




void __init acpi_boot_table_init(void)
{
	dmi_check_system(acpi_dmi_table);

	/*
         * If acpi_disabled, bail out
         */
	if (acpi_disabled)
		return;

	/*
         * Initialize the ACPI boot-time table parser.
         */
	if (acpi_table_init()) {
		disable_acpi();
		return;
	}

	acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);

	/*
         * blacklist may disable ACPI entirely
         */
	if (acpi_blacklisted()) {
		if (acpi_force) {
			printk(KERN_WARNING PREFIX "acpi=force override\n");
		} else {
			printk(KERN_WARNING PREFIX "Disabling ACPI support\n");
			disable_acpi();
			return;
		}
	}
}


Contributors
PersonTokensPropCommitsCommitProp
Len Brown5678.87%654.55%


Andrey Panin57.04%19.09%


Andy Grover45.63%19.09%


Alexey Y. Starikovskiy22.82%19.09%


Andi Kleen22.82%19.09%


Martin J. Bligh22.82%19.09%


Total71100.00%11100.00%






int __init early_acpi_boot_init(void)
{
	/*
         * If acpi_disabled, bail out
         */
	if (acpi_disabled)
		return 1;

	/*
         * Process the Multiple APIC Description Table (MADT), if present
         */
	early_acpi_process_madt();

	/*
         * Hardware-reduced ACPI mode initialization:
         */
	acpi_reduced_hw_init();

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Yinghai Lu2281.48%133.33%


Aubrey Li414.81%133.33%


Len Brown13.70%133.33%


Total27100.00%3100.00%






int __init acpi_boot_init(void)
{
	/* those are executed after early-quirks are executed */
	dmi_check_system(acpi_dmi_table_late);

	/*
         * If acpi_disabled, bail out
         */
	if (acpi_disabled)
		return 1;

	acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);

	/*
         * set sci_int and PM timer address
         */
	acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt);

	/*
         * Process the Multiple APIC Description Table (MADT), if present
         */
	acpi_process_madt();

	acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
	if (IS_ENABLED(CONFIG_ACPI_BGRT))
		acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt);

	if (!acpi_noirq)
		x86_init.pci.init = pci_acpi_init;

	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andi Kleen2025.64%19.09%


Dave Young1417.95%19.09%


Thomas Gleixner1316.67%19.09%


Len Brown1215.38%327.27%


Andreas Herrmann67.69%19.09%


Andrew Morton67.69%19.09%


Andy Grover45.13%19.09%


Alexey Y. Starikovskiy33.85%218.18%


Total78100.00%11100.00%






static int __init parse_acpi(char *arg)
{
	if (!arg)
		return -EINVAL;

	/* "acpi=off" disables both ACPI table parsing and interpreter */
	if (strcmp(arg, "off") == 0) {
		disable_acpi();
	}
	/* acpi=force to over-ride black-list */
	else if (strcmp(arg, "force") == 0) {
		acpi_force = 1;
		acpi_disabled = 0;
	}
	/* acpi=strict disables out-of-spec workarounds */
	else if (strcmp(arg, "strict") == 0) {
		acpi_strict = 1;
	}
	/* acpi=rsdt use RSDT instead of XSDT */
	else if (strcmp(arg, "rsdt") == 0) {
		acpi_gbl_do_not_use_xsdt = TRUE;
	}
	/* "acpi=noirq" disables ACPI interrupt routing */
	else if (strcmp(arg, "noirq") == 0) {
		acpi_noirq_set();
	}
	/* "acpi=copy_dsdt" copys DSDT */
	else if (strcmp(arg, "copy_dsdt") == 0) {
		acpi_gbl_copy_dsdt_locally = 1;
	}
	/* "acpi=nocmcff" disables FF mode for corrected errors */
	else if (strcmp(arg, "nocmcff") == 0) {
		acpi_disable_cmcff = 1;
	} else {
		/* Core will printk when we return error. */
		return -EINVAL;
	}
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Rusty Russell10865.45%120.00%


Naveen N. Rao1911.52%120.00%


Lin Ming1911.52%120.00%


Yakui Zhao1710.30%120.00%


Lv Zheng21.21%120.00%


Total165100.00%5100.00%



early_param("acpi", parse_acpi);

/* FIXME: Using pci= for an ACPI parameter is a travesty. */



static int __init parse_pci(char *arg)
{
	if (arg && strcmp(arg, "noacpi") == 0)
		acpi_disable_pci();
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Rusty Russell30100.00%1100.00%


Total30100.00%1100.00%



early_param("pci", parse_pci);




int __init acpi_mps_check(void)
{
#if defined(CONFIG_X86_LOCAL_APIC) && !defined(CONFIG_X86_MPPARSE)
/* mptable code is not built-in*/
	if (acpi_disabled || acpi_noirq) {
		printk(KERN_WARNING "MPS support code is not built-in.\n"
		       "Using acpi=off or acpi=noirq or pci=noacpi "
		       "may have problem\n");
		return 1;
	}
#endif
	return 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Yinghai Lu45100.00%1100.00%


Total45100.00%1100.00%



#ifdef CONFIG_X86_IO_APIC



static int __init parse_acpi_skip_timer_override(char *arg)
{
	acpi_skip_timer_override = 1;
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Rusty Russell18100.00%1100.00%


Total18100.00%1100.00%



early_param("acpi_skip_timer_override", parse_acpi_skip_timer_override);




static int __init parse_acpi_use_timer_override(char *arg)
{
	acpi_use_timer_override = 1;
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Andi Kleen18100.00%1100.00%


Total18100.00%1100.00%



early_param("acpi_use_timer_override", parse_acpi_use_timer_override);
#endif /* CONFIG_X86_IO_APIC */




static int __init setup_acpi_sci(char *s)
{
	if (!s)
		return -EINVAL;
	if (!strcmp(s, "edge"))
		acpi_sci_flags =  ACPI_MADT_TRIGGER_EDGE |
			(acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
	else if (!strcmp(s, "level"))
		acpi_sci_flags = ACPI_MADT_TRIGGER_LEVEL |
			(acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
	else if (!strcmp(s, "high"))
		acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_HIGH |
			(acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
	else if (!strcmp(s, "low"))
		acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_LOW |
			(acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
	else
		return -EINVAL;
	return 0;
}

Contributors
PersonTokensPropCommitsCommitProp
Rusty Russell8372.17%150.00%


Alexey Y. Starikovskiy3227.83%150.00%


Total115100.00%2100.00%



early_param("acpi_sci", setup_acpi_sci);




int __acpi_acquire_global_lock(unsigned int *lock)
{
	unsigned int old, new, val;
	do {
		old = *lock;
		new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
		val = cmpxchg(lock, old, new);
	} while (unlikely (val != old));
	return (new < 3) ? -1 : 0;
}


Contributors
PersonTokensPropCommitsCommitProp
Andrew Morton84100.00%1100.00%


Total84100.00%1100.00%






int __acpi_release_global_lock(unsigned int *lock)
{
	unsigned int old, new, val;
	do {
		old = *lock;
		new = old & ~0x3;
		val = cmpxchg(lock, old, new);
	} while (unlikely (val != old));
	return old & 0x1;
}


Contributors
PersonTokensPropCommitsCommitProp
Andrew Morton59100.00%1100.00%


Total59100.00%1100.00%






void __init arch_reserve_mem_area(acpi_physical_address addr, size_t size)
{
	e820__range_add(addr, size, E820_TYPE_ACPI);
	e820__update_table_print();
}

Contributors
PersonTokensPropCommitsCommitProp
Thomas Renninger2187.50%125.00%


Ingo Molnar312.50%375.00%


Total24100.00%4100.00%




Overall Contributors
PersonTokensPropCommitsCommitProp
Jiang Liu200434.89%2211.34%


Len Brown5519.59%3216.49%


Andy Grover4728.22%63.09%


Yinghai Lu3125.43%168.25%


Rusty Russell2814.89%21.03%


Andrey Panin2744.77%10.52%


Alexey Y. Starikovskiy1973.43%73.61%


Andrew Morton1953.39%52.58%


Suresh B. Siddha1572.73%31.55%


Rafael J. Wysocki1522.65%21.03%


Lukasz Anaczkowski1011.76%10.52%


Jack Steiner811.41%10.52%


Eric W. Biedermann721.25%42.06%


Andi Kleen691.20%42.06%


Jeremy Fitzhardinge661.15%42.06%


Thomas Gleixner621.08%63.09%


Luis R. Rodriguez510.89%21.03%


Vitaly Kuznetsov460.80%21.03%


Aubrey Li420.73%10.52%


Dmitry Torokhov420.73%10.52%


Feng Tang380.66%21.03%


Haicheng Li340.59%10.52%


Aaron Durbin280.49%21.03%


Andy Shevchenko280.49%42.06%


Andreas Herrmann280.49%21.03%


Naveen N. Rao220.38%10.52%


Thomas Renninger210.37%10.52%


Lin Ming190.33%10.52%


Kenji Kaneshige190.33%10.52%


Ashok Raj170.30%21.03%


Seunghun Han170.30%10.52%


Dave Young170.30%10.52%


Yakui Zhao170.30%10.52%


Sam Ravnborg160.28%10.52%


Martin J. Bligh160.28%10.52%


Borislav Petkov160.28%10.52%


Dou Liyang160.28%21.03%


Ingo Molnar140.24%63.09%


Patrick Mochel120.21%31.55%


Wen Congyang90.16%10.52%


Sinan Kaya90.16%10.52%


Konrad Rzeszutek Wilk70.12%10.52%


Baoquan He70.12%21.03%


Hanjun Guo70.12%21.03%


Jes Sorensen60.10%10.52%


Venkatesh Pallipadi60.10%10.52%


Sebastian Andrzej Siewior50.09%10.52%


Björn Helgaas50.09%10.52%


Tejun Heo50.09%21.03%


Nicholas Piggin50.09%10.52%


Steffen Persvold50.09%10.52%


Christoph Hellwig40.07%10.52%


Gu Zheng40.07%10.52%


Liu Ping Fan40.07%10.52%


Yijing Wang30.05%10.52%


Huang Ying30.05%10.52%


James Cleverdon30.05%10.52%


Tom Lendacky30.05%10.52%


Jeff Garzik30.05%10.52%


Lv Zheng20.03%10.52%


John Stultz20.03%10.52%


Linus Torvalds20.03%10.52%


Paul Gortmaker20.03%21.03%


Mathias Krause20.03%10.52%


Boris Ostrovsky10.02%10.52%


Adam Buchbinder10.02%10.52%


Natalie Protasevich10.02%10.52%


Rui Zhang10.02%10.52%


Denys Vlasenko10.02%10.52%


Simon Arlott10.02%10.52%


Adrian Bunk10.02%10.52%


Jan Beulich10.02%10.52%


André Goddard Rosa10.02%10.52%


Total5744100.00%194100.00%


Directory: arch/x86/kernel/acpi



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