linux-kernel - Re: [PATCH 02/26] x86: Create CONFIG_MITIGATION_ADDRESS_SPACE

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Message-ID: <CAMuHMdX+2SUdvJ7xoJtxtKRi_QkCc-tcL138A2PQffqPH3h5yw@mail.gmail.com>
Date: Mon, 22 Jul 2024 09:55:09 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Brendan Jackman <jackmanb@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>, 
	Andy Lutomirski <luto@...nel.org>, Peter Zijlstra <peterz@...radead.org>, 
	Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, 
	Alexandre Chartre <alexandre.chartre@...cle.com>, Liran Alon <liran.alon@...cle.com>, 
	Jan Setje-Eilers <jan.setjeeilers@...cle.com>, Catalin Marinas <catalin.marinas@....com>, 
	Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Mel Gorman <mgorman@...e.de>, 
	Lorenzo Stoakes <lstoakes@...il.com>, David Hildenbrand <david@...hat.com>, Vlastimil Babka <vbabka@...e.cz>, 
	Michal Hocko <mhocko@...nel.org>, Khalid Aziz <khalid.aziz@...cle.com>, 
	Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot <vincent.guittot@...aro.org>, 
	Dietmar Eggemann <dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, 
	Valentin Schneider <vschneid@...hat.com>, Paul Turner <pjt@...gle.com>, Reiji Watanabe <reijiw@...gle.com>, 
	Junaid Shahid <junaids@...gle.com>, Ofir Weisse <oweisse@...gle.com>, 
	Yosry Ahmed <yosryahmed@...gle.com>, Patrick Bellasi <derkling@...gle.com>, 
	KP Singh <kpsingh@...gle.com>, Alexandra Sandulescu <aesa@...gle.com>, 
	Matteo Rizzo <matteorizzo@...gle.com>, Jann Horn <jannh@...gle.com>, x86@...nel.org, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, kvm@...r.kernel.org
Subject: Re: [PATCH 02/26] x86: Create CONFIG_MITIGATION_ADDRESS_SPACE_ISOLATION

Hi Brendan,

On Fri, Jul 12, 2024 at 7:01 PM Brendan Jackman <jackmanb@...gle.com> wrote:
> Currently a nop config. Keeping as a separate commit for easy review of
> the boring bits. Later commits will use and enable this new config.
>
> This config is only added for non-UML x86_64 as other architectures do
> not yet have pending implementations. It also has somewhat artificial
> dependencies on !PARAVIRT and !KASAN which are explained in the Kconfig
> file.
>
> Co-developed-by: Junaid Shahid <junaids@...gle.com>
> Signed-off-by: Brendan Jackman <jackmanb@...gle.com>

Thanks for your patch!

> --- a/arch/csky/include/asm/Kbuild
> +++ b/arch/csky/include/asm/Kbuild
> @@ -10,3 +10,4 @@ generic-y += qspinlock.h
>  generic-y += parport.h
>  generic-y += user.h
>  generic-y += vmlinux.lds.h
> +generic-y += asi.h
> \ No newline at end of file

Oops...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds