From: Tony Luck <tony.luck@intel.com>
Date: Tue, 13 Dec 2011 17:27:58 +0000 (-0800)
Subject: HWPOISON: Add code to handle "action required" errors.
X-Git-Tag: v3.4-rc1~150^2~3^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7329bbeb92740f35d64a8860ae7837ff4db27fe0;p=pandora-kernel.git

HWPOISON: Add code to handle "action required" errors.

Add new flag bit "MF_ACTION_REQUIRED" to be used by machine check
code to force a signal with si_code = BUS_MCEERR_AR in the case
where the error occurs in processor execution context. Pass the
flags argument along call chain:
	memory_failure()
	  hwpoison_user_mappings()
	    kill_procs()
	      kill_proc()

Drop the "_ao" suffix from kill_procs_ao() and kill_proc_ao() since
they can now handle "action required" as well as "action optional" errors.

Acked-by: Borislav Petkov <bp@amd64.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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