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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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44cb09c23f
If somebody causes an unexpected bad IRQ, this even will be unnoticed in both dmesg and system logs. If the "bad" IRQ is stuck, the device will just hang silently w/o reporting anything. Compare this to the generic behaviour (from include/asm-generic/hardirq.h) which prints a message with critical level. So to help everybody, include the same message into ARM-specific ack_bad_irq(). Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
23 lines
457 B
C
23 lines
457 B
C
/*
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* Nothing to see here yet
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*/
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#ifndef _ARCH_ARM_HW_IRQ_H
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#define _ARCH_ARM_HW_IRQ_H
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static inline void ack_bad_irq(int irq)
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{
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extern unsigned long irq_err_count;
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irq_err_count++;
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pr_crit("unexpected IRQ trap at vector %02x\n", irq);
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}
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void set_irq_flags(unsigned int irq, unsigned int flags);
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#define IRQF_VALID (1 << 0)
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#define IRQF_PROBE (1 << 1)
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#define IRQF_NOAUTOEN (1 << 2)
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#define ARCH_IRQ_INIT_FLAGS (IRQ_NOREQUEST | IRQ_NOPROBE)
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#endif
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