Re: [PATCH] Introduce compat_u64 and compat_s64 types

[David Woodhouse]

On Fri, 2007-06-15 at 23:22 +0200, Andi Kleen wrote:
> > For the architecture we use (Blackfin), it does not support unaligned
> > accesses, and we purposely never put in the trap/fixup code - we trap, and
> > printk("fix your source");
> 
> For the kernel you should fix up too in addition to the printk. Otherwise
> you risk a ping of death in the field with some more obscure protocol.
> Also the printk should be load limited.

Sometimes you can't. Some architectures don't even take a trap, and on
others (FR-V without MMU) it's an imprecise exception.

-- 
dwmw2

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