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[ARM] Fix kernel-mode undefined instruction aborts
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Sat, 6 Jan 2007 22:53:48 +0000 (22:53 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sat, 6 Jan 2007 22:53:48 +0000 (22:53 +0000)
commitdb6ccbb61c1291c8aaefadcc8304444f27eeb88d
tree196718a54ccd89fe12c48383a15e0639f8ddf939tree | snapshot
parent4ac941d2d04ef26a91adf677f3a371818596305dcommit | diff
[ARM] Fix kernel-mode undefined instruction aborts

If the kernel attempts to execute a CP1 or CP2 instruction and it
aborts, and a FP emulator is not loaded, we try to return as if to
a user context, instead of the proper kernel context.  Since the
fault came from kernel mode, we must use the kernel return paths.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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