m68k: Handle 68040 bus faults
authorRoman Zippel <zippel@linux-m68k.org>
Mon, 5 May 2008 19:25:48 +0000 (21:25 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 5 May 2008 19:38:50 +0000 (12:38 -0700)
commit3b17f136bf32984eb0faeb116bcd44ffe3503782
tree18ea61dbb8b6ecda01be18e2b1c56803ae6544a6
parent4933d07531711e399d8d578036aa9fc1be2f9b20
m68k: Handle 68040 bus faults

Fix 68040 bus fault handling, so the standard kernel exception handling
can be used for i/o probing.

Contrary to normal access faults there is nothing to fix, but at least
we have to disable writebacks to avoid recursive faults.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/m68k/kernel/traps.c