Re: cvs commit: src/sys/kern kern_intr.c

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From
Kris Kennaway <kris@obsecurity.org>
Date
2 Mar 2007 17:28:19
Subject
Re: cvs commit: src/sys/kern kern_intr.c
Message-ID
20070302172817.GA29231@xor.obsecurity.org

In reply to
Scott Long (cvs-src) , Scott Long
References to
John Baldwin (cvs-src) , John Baldwin, Scott Long (cvs-src) , Scott Long
Replies
Scott Long (cvs-src) , Scott Long, John Baldwin (cvs-src) , John Baldwin
Referenced by
Scott Long, Scott Long (cvs-src) , John Baldwin (cvs-src) , John Baldwin, Scott Long (cvs-src) , Scott Long, Robert Watson (cvs-src) , Robert Watson

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On Fri, Mar 02, 2007 at 10:13:54AM -0700, Scott Long wrote:
> John Baldwin wrote:
> >jhb         2007-03-02 17:01:45 UTC
> >
> >  FreeBSD src repository
> >
> >  Modified files:
> >    sys/kern             kern_intr.c
> >  Log:
> >  - Don't do the interrupt storm protection stuff for software interrupt
> >    handlers.
> >  - Use pause() when throtting during an interrupt storm.
> >
> >  Reported by:    kris (1)
> >
> >  Revision  Changes    Path
> >  1.142     +3 -2      src/sys/kern/kern_intr.c
>
> Actually, having this helped detect a problem with a CAM driver.
>
> Scott
 
I saw it under normal operation when doing a lot of loopback traffic
on an 8-core.
 
Kris
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