Re: [patch 0/5] Support for sanitization flag in low-level pageallocator
From: Ingo Molnar
Date: Sat May 30 2009 - 13:50:34 EST
* Larry H. <research@xxxxxxxxxxxxxx> wrote:
> On 10:57 Sat 30 May , Pekka Enberg wrote:
> > Larry H. wrote:
> >> Furthermore, selective clearing doesn't solve the roots of the problem.
> >> It's just adding bandages to a wound which never stops bleeding. I
> >> proposed an initial page flag because we could use it later for
> >> unconditional page clearing doing a one line change in a header file.
> >> I see a lot of speculation on what works and what doesn't, but
> >> there isn't much on the practical side of things, yet. I provided test
> >> results that proved some of the comments wrong, and I've referenced
> >> literature which shows the reasoning behind all this. What else can I do
> >> to make you understand you are missing the point here?
> > Hey, if you want to add a CONFIG_ZERO_ALL_MEMORY_PARANOIA thing that can be
> > disabled, go for it! But you have to find someone else to take the merge
> > the SLAB bits because, quite frankly, I am not convinced it's worth it. And
> > the hand waving you're doing here isn't really helping your case, sorry.
> For a second I thought it was Ingo who was writing this e-mail.
> Apologies about the confusion.
btw., i find this is rather hillarious: you thought it was me
writing the reply and you answered Pekka's arguments with contempt
Now that you realized that it's the SLAB maintainer you replied to,
whom you cannot just hand-wave away, you apologize not for the
bogosity of your argument and not for the concept - but you
apologize for _thinking it was the wrong person_.
That is a rather dishonest style of discussion.
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