From: Kumar Gala <galak@kernel.crashing.org>
Date: Wed, 30 Apr 2008 09:17:22 +0000 (-0500)
Subject: [POWERPC] Rework EXC_LEVEL_EXCEPTION_PROLOG code
X-Git-Tag: v2.6.27-rc1~1058^2~177
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=369e757b65d4a5e49bae7cfaf671e784f891cfbe;p=pandora-kernel.git

[POWERPC] Rework EXC_LEVEL_EXCEPTION_PROLOG code

* Cleanup the code a bit my allocating an INT_FRAME on our exception
  stack there by make references go from GPR11-INT_FRAME_SIZE(r8) to
  just GPR11(r8)
* simplify {lvl}_transfer_to_handler code by moving the copying of the
  temp registers we use if we come from user space into the PROLOG
* If the exception came from kernel mode copy thread_info flags,
  preempt, and task pointer from the process thread_info.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Paul Mackerras <paulus@samba.org>
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