linux-kernel - Re: [PATCH v2] x86: Allow user accesses to the base of the guard page

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Message-ID: <CAHk-=whyVT--srUztQj-Q2XC4bhhr97rnSb600QTVkWPCMvtXg@mail.gmail.com>
Date: Mon, 25 Nov 2024 12:21:12 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: David Laight <David.Laight@...lab.com>
Cc: Andrew Cooper <andrew.cooper3@...rix.com>, "bp@...en8.de" <bp@...en8.de>, 
	Josh Poimboeuf <jpoimboe@...nel.org>, "x86@...nel.org" <x86@...nel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...nel.org>, 
	Mikel Rychliski <mikel@...elr.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v2] x86: Allow user accesses to the base of the guard page

On Mon, 25 Nov 2024 at 08:49, David Laight <David.Laight@...lab.com> wrote:
>
> > David, does that patch above work for you?
>
> You are the boss :-)

Bah. I decided that I'll just apply your patch anyway, simply because
the one-off the other way won't matter, and this way you get proper
credit and it's all minimal and simple to back-port.

Maybe I'll waffle some more in the future and decide to do things some
other way, but at least for now that simple patch is what is in my
tree.

Thanks,
               Linus