tile: fix "odd fault" warning for stack backtraces
authorChris Metcalf <cmetcalf@ezchip.com>
Thu, 7 May 2015 18:34:59 +0000 (14:34 -0400)
committerChris Metcalf <cmetcalf@ezchip.com>
Mon, 11 May 2015 15:22:37 +0000 (11:22 -0400)
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>
arch/tile/kernel/process.c

Simple merge