On Wed, Jul 15, 2015 at 02:36:54PM +0200, Thomas Gleixner wrote: > On Wed, 15 Jul 2015, Tony Lindgren wrote: > > Felipe, > > > > * Tony Lindgren <tony@xxxxxxxxxxx> [150119 13:41]: > > > * Felipe Balbi <balbi@xxxxxx> [150102 10:50]: > > > > as it turns out the current IRQ number will > > > > *always* be available from SIR register which > > > > renders the reads of PENDING registers as plain > > > > unnecessary overhead. > > > > > > > > In order to catch any situation where SIR reads > > > > as zero, we're adding a WARN() to turn it into > > > > a very verbose error and users actually report > > > > it. > > > > > > > > With this patch average running time of > > > > omap_intc_handle_irq() reduced from about 28.5us > > > > to 19.8us as measured by the kernel function > > > > profiler. > > > > > > > > Tested with BeagleBoneBlack Rev A5C. > > > > > > > > Signed-off-by: Felipe Balbi <balbi@xxxxxx> > > > > > > Jason, looks like this is not showing up in Linux next. The > > > same for the changes I did for dm81xx. > > > > Can you please resend this to Jason? Looks like this > > is still not merged. > > Please send it to me asap and please cc lkml on irqchip patches. building and testing again. Will resend shortly -- balbi
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