From: Fenghua Yu Date: Thu, 24 Oct 2013 01:30:12 +0000 (-0700) Subject: x86/apic: Disable I/O APIC before shutdown of the local APIC X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~38^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=522e66464467543c0d88d023336eec4df03ad40b;p=pandora-kernel.git x86/apic: Disable I/O APIC before shutdown of the local APIC In reboot and crash path, when we shut down the local APIC, the I/O APIC is still active. This may cause issues because external interrupts can still come in and disturb the local APIC during shutdown process. To quiet external interrupts, disable I/O APIC before shutdown local APIC. Signed-off-by: Fenghua Yu Link: http://lkml.kernel.org/r/1382578212-4677-1-git-send-email-fenghua.yu@intel.com Cc: [ I suppose the 'issue' is a hang during shutdown. It's a fine change nevertheless. ] Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed