Generic x86 Machine Check Architecture FMA [PSARC/2007/591 Self Review]

[James Carlson]

Gavin Maltby writes:
> AMD family 0x10 will use cpu.generic + cpu_ms.AuthenticAMD to begin with.
> This actually gives equivalent levels of cpu fault diagnosis to the
> all-singing-and-dancing family 0xf model-specific support; all that
> is absent is the fine-grained error classification (eg instead of
> "correctable level 1 I-cache error" which the generic MCA would
> give us we could offer "correctable level 1 I-cache erroring
> during a load from L2").

OK; thanks.

> In time we may deliver cpu_ms.AuthenticAMD.16, or extend
> cpu_ms.AuthenticAMD to be more widely generic.  The latter is
> our preferred approach.  The more pressing need for family 0x10
> is to deliver a memory-controller driver akin to what mc-amd
> does for family 0xf - full topology discovery and physical
> address to resource resolution - we'll be resourcing that first.

So we expect things to peel off into a ".16" version only when those
errors become not-generic, which might not be noticable until there's
a "0x11" family ... right?

-- 
James Carlson, Solaris Networking              <james.d.carlson at sun.com>
Sun Microsystems / 35 Network Drive        71.232W   Vox +1 781 442 2084
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