>>>>> "Alan" == Alan Cox <[email protected]> writes:
Alan> Ar Maw, 2006-08-08 am 09:41 -0700, ysgrifennodd Luck, Tony:
>> unaligned accesses at all is rather controversial. So its a 50-50
>> shot whether I'll fix it by adding the mutex_lock/mutex_unlock
>> around the use of current->signal->tty, or just rip this out and
>> just leave the printk().
Alan> Personally I'd just rip it out full stop. Its trivial to use
Alan> kprobes and friends to audit such things if there is a
Alan> performance concern.
Personally I don't like the current approach. However, I believe the
philosophy behind it is that users rarely look in dmesg and they
should be notified (and beaten with a stick) when their badly written
app spawns unaligned accesses which end up being emulated by the
kernel.
These messages are normally caused by userland code, so kprobes
probably wont do much good :)
Cheers,
Jes
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