From: Jack Steiner <steiner@sgi.com>
Date: Thu, 11 Aug 2005 17:28:00 +0000 (-0700)
Subject: [IA64-SGI] - New SN hardware support - ptc_fixes
X-Git-Tag: v2.6.14-rc1~1019^2~6^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=470ceb05d9a2b4d61c19fac615a79e56e8401565;p=pandora-kernel.git

[IA64-SGI] - New SN hardware support - ptc_fixes

Shub2 provides a much improved mechanism for issuing internode
TLB purges. Add code to support the newer mechanism. There is also
some debug code (disabled) that is useful for testing.

Collect statistics on the number, type & duration of TLB purges.
This data will be useful for making future improvements in the algorithms.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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