On Maw, 2004-01-13 at 12:35, Paulo Marques wrote:
> 1 - we can let the kernel trap and correct all unaligned accesses. This way 
> applications (and the kernel itself) would run slower but with no other problems.
> 
> 2 - we can let the kernel just "count" unaligned accesses and let developers 
> correct the code until the counter reads always zero in any situation. This way 
> the applications will be cleaner and faster.
> 
> I think I read somewhere that the kernel developers went for the second option, 
> with which I personally agree, by the way.

The kernel itself requires unaligned fixups to work. For user space it
varies by platform. So for Alpha I believe we do some work with
unaligned accesses while for X86 we never set the alignmen flag,
although at least one interpreter uses it for type checking.



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