Contributors: 34
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Linus Torvalds (pre-git) |
74 |
24.34% |
10 |
14.29% |
| Thomas Gleixner |
49 |
16.12% |
12 |
17.14% |
| Suresh B. Siddha |
23 |
7.57% |
2 |
2.86% |
| Afzal Mohammed |
20 |
6.58% |
1 |
1.43% |
| Yinghai Lu |
17 |
5.59% |
4 |
5.71% |
| Pekka J Enberg |
13 |
4.28% |
3 |
4.29% |
| Cyrill V. Gorcunov |
10 |
3.29% |
1 |
1.43% |
| Jaswinder Singh Rajput |
8 |
2.63% |
3 |
4.29% |
| H. Peter Anvin |
8 |
2.63% |
2 |
2.86% |
| Linus Torvalds |
8 |
2.63% |
3 |
4.29% |
| Rusty Russell |
6 |
1.97% |
1 |
1.43% |
| Andi Kleen |
6 |
1.97% |
1 |
1.43% |
| Xin Li |
6 |
1.97% |
1 |
1.43% |
| Ingo Molnar |
6 |
1.97% |
3 |
4.29% |
| Sebastian Andrzej Siewior |
6 |
1.97% |
1 |
1.43% |
| Eric W. Biedermann |
5 |
1.64% |
1 |
1.43% |
| Andrew Morton |
5 |
1.64% |
2 |
2.86% |
| Mike Rapoport |
4 |
1.32% |
1 |
1.43% |
| Brian Gerst |
4 |
1.32% |
2 |
2.86% |
| Andy Shevchenko |
3 |
0.99% |
1 |
1.43% |
| Jacob jun Pan |
3 |
0.99% |
1 |
1.43% |
| James Bottomley |
3 |
0.99% |
2 |
2.86% |
| Ville Syrjälä |
3 |
0.99% |
1 |
1.43% |
| Len Brown |
2 |
0.66% |
1 |
1.43% |
| Pavel Machek |
2 |
0.66% |
1 |
1.43% |
| Jiang Liu |
2 |
0.66% |
1 |
1.43% |
| Kay Sievers |
1 |
0.33% |
1 |
1.43% |
| Greg Kroah-Hartman |
1 |
0.33% |
1 |
1.43% |
| Martin Molnar |
1 |
0.33% |
1 |
1.43% |
| Lv Zheng |
1 |
0.33% |
1 |
1.43% |
| Mikael Pettersson |
1 |
0.33% |
1 |
1.43% |
| Paul Jimenez |
1 |
0.33% |
1 |
1.43% |
| Maciej W. Rozycki |
1 |
0.33% |
1 |
1.43% |
| Dou Liyang |
1 |
0.33% |
1 |
1.43% |
| Total |
304 |
|
70 |
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/linkage.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/timex.h>
#include <linux/random.h>
#include <linux/kprobes.h>
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/device.h>
#include <linux/bitops.h>
#include <linux/acpi.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/pgtable.h>
#include <linux/atomic.h>
#include <asm/timer.h>
#include <asm/hw_irq.h>
#include <asm/desc.h>
#include <asm/io_apic.h>
#include <asm/acpi.h>
#include <asm/apic.h>
#include <asm/setup.h>
#include <asm/i8259.h>
#include <asm/traps.h>
#include <asm/fred.h>
#include <asm/prom.h>
/*
* ISA PIC or low IO-APIC triggered (INTA-cycle or APIC) interrupts:
* (these are usually mapped to vectors 0x30-0x3f)
*/
/*
* The IO-APIC gives us many more interrupt sources. Most of these
* are unused but an SMP system is supposed to have enough memory ...
* sometimes (mostly wrt. hw bugs) we get corrupted vectors all
* across the spectrum, so we really want to be prepared to get all
* of these. Plus, more powerful systems might have more than 64
* IO-APIC registers.
*
* (these are usually mapped into the 0x30-0xff vector range)
*/
DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
[0 ... NR_VECTORS - 1] = VECTOR_UNUSED,
};
void __init init_ISA_irqs(void)
{
struct irq_chip *chip = legacy_pic->chip;
int i;
/*
* Try to set up the through-local-APIC virtual wire mode earlier.
*
* On some 32-bit UP machines, whose APIC has been disabled by BIOS
* and then got re-enabled by "lapic", it hangs at boot time without this.
*/
init_bsp_APIC();
legacy_pic->init(0);
for (i = 0; i < nr_legacy_irqs(); i++) {
irq_set_chip_and_handler(i, chip, handle_level_irq);
irq_set_status_flags(i, IRQ_LEVEL);
}
}
void __init init_IRQ(void)
{
int i;
/*
* On cpu 0, Assign ISA_IRQ_VECTOR(irq) to IRQ 0..15.
* If these IRQ's are handled by legacy interrupt-controllers like PIC,
* then this configuration will likely be static after the boot. If
* these IRQs are handled by more modern controllers like IO-APIC,
* then this vector space can be freed and re-used dynamically as the
* irq's migrate etc.
*/
for (i = 0; i < nr_legacy_irqs(); i++)
per_cpu(vector_irq, 0)[ISA_IRQ_VECTOR(i)] = irq_to_desc(i);
BUG_ON(irq_init_percpu_irqstack(smp_processor_id()));
x86_init.irqs.intr_init();
}
void __init native_init_IRQ(void)
{
/* Execute any quirks before the call gates are initialised: */
x86_init.irqs.pre_vector_init();
if (cpu_feature_enabled(X86_FEATURE_FRED))
fred_complete_exception_setup();
else
idt_setup_apic_and_irq_gates();
lapic_assign_system_vectors();
if (!acpi_ioapic && !of_ioapic && nr_legacy_irqs()) {
/* IRQ2 is cascade interrupt to second interrupt controller */
if (request_irq(2, no_action, IRQF_NO_THREAD, "cascade", NULL))
pr_err("%s: request_irq() failed\n", "cascade");
}
}