On Thu, Jan 31, 2008 at 12:50:19AM +0100, Roland Mainz wrote:
>
> Hi!
>
> What is the "Floating point scrubber" referenced in CR #6656791
> ("Floating point scrubber needs weaker CPU and processor set bindings")
> ? I know the memory and cache scrubbers but a scrubber system for
> floating-point sounds... weired.
Same idea as the others. It executes some background calculations
to verify the FPU is operating properly in a way that doesn't
intrude on performance, and triggers an FMA response if it
finds a problem.
-Mike
--
Mike Shapiro, Solaris Kernel Development. blogs.sun.com/mws/
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