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Date: Tue, 10 Oct 2017 16:16:55 -0700
From: Linus Torvalds <>
To: "Tobin C. Harding" <>
Cc: "" <>, KVM list <>, 
	Linux Kernel Mailing List <>, Kees Cook <>, 
	Paolo Bonzini <>, Tycho Andersen <>, 
	"Roberts, William C" <>, Tejun Heo <>, 
	Jordan Glover <>, Greg KH <>, 
	Petr Mladek <>, Joe Perches <>, Ian Campbell <>, 
	Sergey Senozhatsky <>, Catalin Marinas <>, 
	Will Deacon <>, Steven Rostedt <>, 
	Chris Fries <>, Dave Weinstein <>, 
	Daniel Micay <>, Djalal Harouni <>
Subject: Re: [PATCH 0/3] add %pX specifier

On Tue, Oct 10, 2017 at 4:09 PM, Tobin C. Harding <> wrote:
> This patch is a softer version of Linus' suggestion because it does not change the behaviour of the
> %p specifier. I don't see the benefit in making such a breaking change without addressing the issue
> of %x (and I don't the balls to right now).

The thing is, this continues to have the exact same issue that %pK has
- because it is opt-in, effectively nobody will actually use it.

That's why I would suggest that if we do this way, we really change %p
and %pa to use the hashed value, to convert *everybody*. And then
people who have a good reason to actually expose the pointer have to
do the extra work and opt out.


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