Messages in this thread |  | | | Subject | Re: [RFC][PATCH] irq_work | | From | Huang Ying <> | | Date | Thu, 24 Jun 2010 14:50:43 +0800 |
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On Thu, 2010-06-24 at 14:47 +0800, Peter Zijlstra wrote: > On Thu, 2010-06-24 at 14:43 +0800, Huang Ying wrote: > > Hi, Peter, > > > I fact I uses exactly the similar method in my patches, just trigger it > > with soft_irq instead of IRQ. Please take a look at > > nmi_return_notifier_schedule in > > But then why still use softirq? Once you have this its completely > useless.
Some systems have no self interrupt, for example the system without APIC. We need to provide a fallback for them. soft_irq can help here.
Best Regards, Huang Ying
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