From: Chris Zankel <chris@zankel.net>
Date: Fri, 1 Jun 2007 00:49:32 +0000 (-0700)
Subject: [XTENSA] Remove non-rt signal handling
X-Git-Tag: v2.6.22-rc5~93^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29c4dfd92edc26c2cd2c0c64c9201d5b91d6418e;p=pandora-kernel.git

[XTENSA] Remove non-rt signal handling

The non-rt signal handling was never really used, so we don't break
anything. This patch also cleans up the signal stack-frame to make
it independent from the processor configuration. It also improves
the method used for controlling single-stepping. We now save and
restore the 'icountlevel' register that controls single stepping
and set or clear the saved state to enable or disable it.

Signed-off-by: Chris Zankel <chris@zankel.net>
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