#ifndef __ASM_GENERIC_HARDIRQ_H #define __ASM_GENERIC_HARDIRQ_H #include #include typedef struct { unsigned int __softirq_pending; } ____cacheline_aligned irq_cpustat_t; #include /* Standard mappings for irq_cpustat_t above */ #include #ifndef ack_bad_irq static inline void ack_bad_irq(unsigned int irq) { printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); } #endif #endif /* __ASM_GENERIC_HARDIRQ_H */ istanz.ch/cgit.cgi/linux/net-next.git' title='net-next.git Git repository'/>
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authorThomas Gleixner <tglx@linutronix.de>2017-01-31 19:03:21 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-01-31 20:22:18 +0100
commitaaaec6fc755447a1d056765b11b24d8ff2b81366 (patch)
treea7f4167960ee1df86739905b6ccdeb95465bfe5f /include/net/raw.h
parent08d85f3ea99f1eeafc4e8507936190e86a16ee8c (diff)
x86/irq: Make irq activate operations symmetric
The recent commit which prevents double activation of interrupts unearthed interesting code in x86. The code (ab)uses irq_domain_activate_irq() to reconfigure an already activated interrupt. That trips over the prevention code now. Fix it by deactivating the interrupt before activating the new configuration. Fixes: 08d85f3ea99f1 "irqdomain: Avoid activating interrupts more than once" Reported-and-tested-by: Mike Galbraith <efault@gmx.de> Reported-and-tested-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1701311901580.3457@nanos
Diffstat (limited to 'include/net/raw.h')