Messages in this thread | | | From | Linus Torvalds <> | Date | Wed, 17 Jan 2018 13:54:32 -0800 | Subject | Re: [RFC 1/2] softirq: Defer net rx/tx processing to ksoftirqd context |
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On Wed, Jan 17, 2018 at 1:49 PM, David Miller <davem@davemloft.net> wrote: > >> That said, this made me wonder a bit. I wonder how bounded the latency >> is for raising a softirq from process context. We only _check_ the >> softirq on the last hardirq exit, I think. > > System call return checks it, otherwise this situation would be > completely bolixed.
That's what I thought too. But then I went and looked, and I can't find it.
But you're probably right, and I just missed it.
Linus
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