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path: root/arch/loongarch/include/asm/hw_irq.h
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2024-08-26LoongArch: Define ARCH_IRQ_INIT_FLAGS as IRQ_NOPROBEHuacai Chen
Currently we call irq_set_noprobe() in a loop for all IRQs, but indeed it only works for IRQs below NR_IRQS_LEGACY because at init_IRQ() only legacy interrupts have been allocated. Instead, we can define ARCH_IRQ_INIT_FLAGS as IRQ_NOPROBE in asm/hwirq.h and the core will automatically set the flag for all interrupts. Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn>
2022-06-03LoongArch: Add exception/interrupt handlingHuacai Chen
Add the exception and interrupt handling machanism for basic LoongArch support. Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>