cregit-Linux how code gets into the kernel

Release 4.7 kernel/irq/dummychip.c

Directory: kernel/irq
/*
 * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
 * Copyright (C) 2005-2006, Thomas Gleixner, Russell King
 *
 * This file contains the dummy interrupt chip implementation
 */
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/export.h>

#include "internals.h"

/*
 * What should we do if we get a hw irq event on an illegal vector?
 * Each architecture has to answer this themself.
 */

static void ack_bad(struct irq_data *data) { struct irq_desc *desc = irq_data_to_desc(data); print_irq_desc(data->irq, desc); ack_bad_irq(data->irq); }

Contributors

PersonTokensPropCommitsCommitProp
thomas gleixnerthomas gleixner37100.00%1100.00%
Total37100.00%1100.00%

/* * NOP functions */
static void noop(struct irq_data *data) { }

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PersonTokensPropCommitsCommitProp
thomas gleixnerthomas gleixner10100.00%1100.00%
Total10100.00%1100.00%


static unsigned int noop_ret(struct irq_data *data) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
thomas gleixnerthomas gleixner15100.00%1100.00%
Total15100.00%1100.00%

/* * Generic no controller implementation */ struct irq_chip no_irq_chip = { .name = "none", .irq_startup = noop_ret, .irq_shutdown = noop, .irq_enable = noop, .irq_disable = noop, .irq_ack = ack_bad, .flags = IRQCHIP_SKIP_SET_WAKE, }; /* * Generic dummy implementation which can be used for * real dumb interrupt sources */ struct irq_chip dummy_irq_chip = { .name = "dummy", .irq_startup = noop_ret, .irq_shutdown = noop, .irq_enable = noop, .irq_disable = noop, .irq_ack = noop, .irq_mask = noop, .irq_unmask = noop, .flags = IRQCHIP_SKIP_SET_WAKE, }; EXPORT_SYMBOL_GPL(dummy_irq_chip);

Overall Contributors

PersonTokensPropCommitsCommitProp
thomas gleixnerthomas gleixner15889.77%240.00%
kuninori morimotokuninori morimoto84.55%120.00%
geert uytterhoevengeert uytterhoeven52.84%120.00%
roger quadrosroger quadros52.84%120.00%
Total176100.00%5100.00%
Directory: kernel/irq
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