On 01/23/2014 01:21 PM, Wolfgang Grandegger wrote:
Vanilla handles the alignment trap by emulating the faulting
instruction. Last time I checked, there were some problems related to
running the emulation over xenomai domain, though looking at the code
now, I see nothing which would prevent us from doing it.
Yes, I know. But the handling of unaligned accesses via trap handler must
be
enabled by the user and I'm not aware that this is needed for vanilla
Linux.
I remember reading on the LAKML that the alignment trap is needed for
kernel operations, notably for the IP stack.
--
Gilles.
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