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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
sh: Count NMIs in irq_cpustat_t.
This plugs in support for NMI counting per-CPU via irq_cpustat_t.
Modelled after the x86 implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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arch/sh/include/asm/hardirq.h
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arch/sh/include/asm/hardirq.h
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#ifndef __ASM_SH_HARDIRQ_H
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#define __ASM_SH_HARDIRQ_H
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extern void ack_bad_irq(unsigned int irq);
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#define ack_bad_irq ack_bad_irq
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#include <linux/threads.h>
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#include <linux/irq.h>
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#include <asm-generic/hardirq.h>
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typedef struct {
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unsigned int __softirq_pending;
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unsigned int __nmi_count; /* arch dependent */
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} ____cacheline_aligned irq_cpustat_t;
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#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
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extern void ack_bad_irq(unsigned int irq);
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#endif /* __ASM_SH_HARDIRQ_H */
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arch/sh/kernel/irq.c
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arch/sh/kernel/irq.c
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*/
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static int show_other_interrupts(struct seq_file *p, int prec)
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{
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int j;
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seq_printf(p, "%*s: ", prec, "NMI");
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for_each_online_cpu(j)
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seq_printf(p, "%10u ", irq_stat[j].__nmi_count);
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seq_printf(p, " Non-maskable interrupts\n");
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seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
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return 0;
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}
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arch/sh/kernel/traps.c
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arch/sh/kernel/traps.c