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Re: [regression v4.11] 617f01211baf ("8139too: use napi_complete_done()")

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David Miller <davem@davemloft.net> :
[...]
> One theory is that the interrupt masking isn't working properly
> and interrupts are still arriving and hitting the NAPI state even
> when we are actively polling NAPI.
> 
> And this problem was masked by the locking done here.

Yes.

Ville, can you rule out irq sharing between the 8139 and some other
device ? It's a candidate for unexpected interrupt handler invocation
with older pc, even with properly working hardware.

-- 
Ueimor

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[regression v4.11] 617f01211baf ("8139too: use napi_complete_done()") Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-07 20:20 +0200
  Re: [regression v4.11] 617f01211baf ("8139too: use  napi_complete_done()") Eric Dumazet <eric.dumazet@gmail.com> - 2017-04-07 20:40 +0200
    Re: [regression v4.11] 617f01211baf ("8139too: use  napi_complete_done()") David Miller <davem@davemloft.net> - 2017-04-07 20:50 +0200
      Re: [regression v4.11] 617f01211baf ("8139too: use  napi_complete_done()") Francois Romieu <romieu@fr.zoreil.com> - 2017-04-08 12:40 +0200
        Re: [regression v4.11] 617f01211baf ("8139too: use napi_complete_done()") tedheadster <tedheadster@gmail.com> - 2017-04-10 16:30 +0200
          Re: [regression v4.11] 617f01211baf ("8139too: use napi_complete_done()") Eric Dumazet <edumazet@google.com> - 2017-04-10 17:00 +0200
    Re: [regression v4.11] 617f01211baf ("8139too: use  napi_complete_done()") Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-10 14:20 +0200

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