From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 5 Aug 2008 10:28:26 +0000 (+0800)
Subject: Blackfin arch: Fix bugs - Make kgdb code apparent to app debugging.
X-Git-Tag: v2.6.27-rc4~58^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6a29891369827317659b7833170d2f5f0c7b97f;p=pandora-kernel.git

Blackfin arch: Fix bugs - Make kgdb code apparent to app debugging.

 - Skip single step if global interrupt disable bit is set.
 - Extend bernds' patch r4673 to skip single step in any interrupt entry
   that interrupts the code which is under single stepping. Bernds' patch
   only allow user space single stepping.

Singed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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