Re: [git pull] core, x86: make LIST_POISON less deadly

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From: Linus Torvalds
Date: Monday, July 14, 2008 - 8:59 am

On Mon, 14 Jul 2008, Ingo Molnar wrote:

But raising a GP is exactly what you want: a PF is an indication that the 
address was actually half-way valid, and will not fault at all on some 
(possibly future) machine.


Why would we care? It would be very obvious from the instruction 
disassembly plus the register contents. No need to decode instructions.


I'm really not seeing the reason for not just doing it right.

			Linus
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Messages in current thread:
[git pull] core, x86: make LIST_POISON less deadly, Ingo Molnar, (Mon Jul 14, 7:48 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Linus Torvalds, (Mon Jul 14, 8:03 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Ingo Molnar, (Mon Jul 14, 8:12 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Linus Torvalds, (Mon Jul 14, 8:59 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Ingo Molnar, (Mon Jul 14, 9:07 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Linus Torvalds, (Mon Jul 14, 9:26 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Ingo Molnar, (Mon Jul 14, 9:34 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Andi Kleen, (Mon Jul 14, 11:33 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Andi Kleen, (Mon Jul 14, 11:35 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Linus Torvalds, (Mon Jul 14, 11:42 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Linus Torvalds, (Mon Jul 14, 11:42 am)
Re: [git pull] core, x86: make LIST_POISON less deadly, Andi Kleen, (Mon Jul 14, 12:11 pm)
Re: [git pull] core, x86: make LIST_POISON less deadly, Linus Torvalds, (Mon Jul 14, 12:30 pm)
Re: [git pull] core, x86: make LIST_POISON less deadly, Andi Kleen, (Mon Jul 14, 12:42 pm)