linux-kernel - Re: [PATCH RFT v14 2/8] Documentation: userspace-api: Add shadow stack API documentation

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Message-ID: <Z6UwksPkdwb5DDcK@debug.ba.rivosinc.com>
Date: Thu, 6 Feb 2025 13:58:42 -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>,
	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>, jannh@...gle.com,
	Yury Khrustalev <yury.khrustalev@....com>,
	Wilco Dijkstra <wilco.dijkstra@....com>,
	linux-kselftest@...r.kernel.org, linux-api@...r.kernel.org,
	Kees Cook <kees@...nel.org>, Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH RFT v14 2/8] Documentation: userspace-api: Add shadow
 stack API documentation

On Thu, Feb 06, 2025 at 11:38:04AM +0000, Mark Brown wrote:
>There are a number of architectures with shadow stack features which we are
>presenting to userspace with as consistent an API as we can (though there
>are some architecture specifics). Especially given that there are some
>important considerations for userspace code interacting directly with the
>feature let's provide some documentation covering the common aspects.
>
>Reviewed-by: Catalin Marinas <catalin.marinas@....com>
>Reviewed-by: Kees Cook <kees@...nel.org>
>Tested-by: Kees Cook <kees@...nel.org>
>Acked-by: Shuah Khan <skhan@...uxfoundation.org>
>Acked-by: Yury Khrustalev <yury.khrustalev@....com>
>Signed-off-by: Mark Brown <broonie@...nel.org>
>---

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

> Documentation/userspace-api/index.rst        |  1 +
> Documentation/userspace-api/shadow_stack.rst | 44 ++++++++++++++++++++++++++++
> 2 files changed, 45 insertions(+)