linux-kernel - Re: [PATCH RFT v5 3/7] mm: Introduce ARCH_HAS_USER_SHADOW

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Message-ID: <CAKC1njQ26nN8ZYLvBYd8=vEbSHLC1aH-aOCoDdf35LhEQxNdsQ@mail.gmail.com>
Date: Wed, 14 Feb 2024 20:14:02 -0800
From: Deepak Gupta <debug@...osinc.com>
To: Mark Brown <broonie@...nel.org>
Cc: "Rick P. Edgecombe" <rick.p.edgecombe@...el.com>, Szabolcs Nagy <Szabolcs.Nagy@....com>, 
	"H.J. Lu" <hjl.tools@...il.com>, Florian Weimer <fweimer@...hat.com>, 
	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>, 
	Vincent Guittot <vincent.guittot@...aro.org>, Dietmar Eggemann <dietmar.eggemann@....com>, 
	Steven Rostedt <rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, 
	Daniel Bristot de Oliveira <bristot@...hat.com>, Valentin Schneider <vschneid@...hat.com>, 
	Christian Brauner <brauner@...nel.org>, Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Kees Cook <keescook@...omium.org>, jannh@...gle.com, linux-kselftest@...r.kernel.org, 
	linux-api@...r.kernel.org, David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH RFT v5 3/7] mm: Introduce ARCH_HAS_USER_SHADOW_STACK

On Fri, Feb 2, 2024 at 4:05 PM Mark Brown <broonie@...nel.org> wrote:
>
> Since multiple architectures have support for shadow stacks and we need to
> select support for this feature in several places in the generic code
> provide a generic config option that the architectures can select.
>
> Suggested-by: David Hildenbrand <david@...hat.com>
> Acked-by: David Hildenbrand <david@...hat.com>
> Signed-off-by: Mark Brown <broonie@...nel.org>

Reviewed-by: Deepak Gupta <debug@...osinc.com