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Date: Wed, 11 Oct 2017 10:31:16 +1100
From: "Tobin C. Harding" <>
To: Linus Torvalds <>
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 04:16:55PM -0700, Linus Torvalds wrote:
> 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.
>                   Linus

Righto, I'll wait 24 hours and submit v2 with the change as suggested. I guess now is as good a time
as any annoy everybody and cause them to do work (for the greater good :)

Then I can direct effort at finding any users of %x for kernel addresses.


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