From: David S. Miller <davem@sunset.davemloft.net>
Date: Sun, 15 Jul 2007 09:02:01 +0000 (-0700)
Subject: [SPARC64]: Give more accurate errors in dr_cpu_configure().
X-Git-Tag: v2.6.23-rc1~784^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9918cc2e3275bf7f3561e4de1d5a3314183e71dc;p=pandora-kernel.git

[SPARC64]: Give more accurate errors in dr_cpu_configure().

When cpu_up() fails, we can discern the most likely cause.

If cpu_present() is false, this means the cpu did not appear
in the MD.  If -ENODEV is the error return value, then
the processor did not boot properly into the kernel.

Pass this information back in the dr-cpu response packet.

Signed-off-by: David S. Miller <davem@davemloft.net>
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