Re: How to lock current->signal->tty

From: Alan Cox
Date: Wed Aug 09 2006 - 06:21:55 EST

Ar Mer, 2006-08-09 am 04:09 -0400, ysgrifennodd Jes Sorensen:
> 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.

The users won't seem the anyway, they are hidden behind the GUI.

> These messages are normally caused by userland code, so kprobes
> probably wont do much good :)

Jes, read up on kprobes a little if you think its of no use in these
kind of situations. A systemtap script to count/measure alignment fault
rates and see who is causing the load isn't very hard to write.


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