Messages in this thread | | | Subject | Re: [PATCH RESEND] rtsx_usb_ms: Use msleep_interruptible() in polling loop | From | Ben Hutchings <> | Date | Mon, 28 Sep 2015 12:10:00 +0100 |
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On Mon, 2015-09-28 at 11:34 +0100, Lee Jones wrote: > The subsystem is missing from the subject line. > > On Mon, 28 Sep 2015, Ben Hutchings wrote: > > rtsx_usb_ms creates a task that mostly sleeps, but tasks in > > uninterruptible sleep still contribute to the load average (for > > bug-compatibility with Unix). A load average of ~1 on a system > > that > > should be idle is somewhat alarming. > > > > Change the sleep to be interruptible, but still ignore signals. > > > > A better fix might be to replace this loop with a delayed work > > item. > > > > References: https://bugs.debian.org/765717 > > Signed-off-by: Ben Hutchings <ben@decadent.org.uk> > > How was this patch made? Where's the diff etc?
With quilt.
> Why was this patch sent to me?
I think I must have added you previously as MFD maintainer, but as this doesn't touch rtsx_pcr or rtsx_usb it's not really in your area. Sorry to bother you.
Ben.
> > --- > > --- a/drivers/memstick/host/rtsx_usb_ms.c > > +++ b/drivers/memstick/host/rtsx_usb_ms.c > > @@ -706,7 +706,8 @@ poll_again: > > if (host->eject) > > break; > > > > - msleep(1000); > > + if (msleep_interruptible(1000)) > > + flush_signals(current); > > } > > > > complete(&host->detect_ms_exit); > -- Ben Hutchings All extremists should be taken out and shot. [unhandled content-type:application/pgp-signature] | |