Messages in this thread | | | Date | Thu, 25 Mar 2010 20:34:14 -0700 (PDT) | Subject | Re: [patch 0/2] Run interrupt handlers always with interrupts disabled | From | David Miller <> |
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From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 26 Mar 2010 00:06:44 -0000
> The following patch series removes the IRQF_DISABLED functionality > from the core interrupt code and runs all interrupt handlers with > interrupts disabled. > > IRQF_DISABLED is kept as a define and scheduled for feature removal. > > I booted and stressed that patches w/o any obvious fallout on more > than 20 different systems in my arsenal of test machines which > includes various embedded non x86 systems. > > To debug eventual latency issues we (admittedly I talked acme into > looking at that) want to extend perf with a top like tool to monitor > the maximum runtime of interrupt handlers with the already existing > tracepoints.
Acked-by: David S. Miller <davem@davemloft.net>
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