From: Konrad Rzeszutek Date: Wed, 2 May 2007 17:27:11 +0000 (+0200) Subject: [PATCH] x86-64: Inhibit machine from asserting an NMI when doing Alt-SysRq-M operation. X-Git-Tag: v2.6.22-rc1~1011^2~131 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae32b1297a77c23fd0badd642bb685062f7a37f8;p=pandora-kernel.git [PATCH] x86-64: Inhibit machine from asserting an NMI when doing Alt-SysRq-M operation. This patch touches the NMI watchdog every MAX_ORDER_NR_PAGES to inhibit the machine from triggering an NMI while the CPUs are locked. This situation is happening on boxes with more than 64CPUs and 128GB of RAM when Alt-SysRq-m is performed. It has been succesfully tested for regression on uni, 2, 4, 8 32, and 64 CPU boxes with various memory configuration. Signed-off-by: Andi Kleen --- Reading git-diff-tree failed