From d4812e169de44f4ab53ff671c6193c67de24da62 Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Mon, 5 Jan 2015 16:44:42 -0800
Subject: [PATCH] x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks

We now switch to the kernel stack when a machine check interrupts
during user mode.  This means that we can perform recovery actions
in the tail of do_machine_check()

Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
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