> > It's still there. Red Hat 8.0, 2.5.63. The thing can pause for 15+
> > seconds (and during this time madplay quite happily trundled on playing
> > an mp3). Workload was KDE, gcc, nothing exciting...
> Oh, well. I didn't actually even verify that UNIX domain sockets will
> cause synchronous wakeups, so the patch may literally be doing nothing
> at all. You can try that theory out by just removing the test for
you are not referring to the 'synchronous wakeups' as used by fs/pipe.c,
right? in_interrupt() isolates interrupt-context wakeups (asynchronous
wakeups) and process-context wakeups - which can also be called
synchronous, in a way.
so i think your current patch should cover unix domain sockets just as
well, they certain dont use IRQ-context wakeups.
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