From e8200baa2fd2e9c4bc7abd824a9e675d914e54a0 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@ezchip.com>
Date: Thu, 7 May 2015 14:34:59 -0400
Subject: [PATCH] tile: fix "odd fault" warning for stack backtraces

We were setting ex1 in new kernel threads to KERNEL_PL.
But since we just do a simple context-switch, not an iret,
any value set here is ignored anyway, and its presence causes
stack backtraces to end with a warning about an "odd fault".

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
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