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Date: Wed, 14 Aug 2024 11:41:05 +0100
From: Catalin Marinas <catalin.marinas@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: "Rick P. Edgecombe" <rick.p.edgecombe@intel.com>,
	Deepak Gupta <debug@rivosinc.com>,
	Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	"H.J. Lu" <hjl.tools@gmail.com>,
	Florian Weimer <fweimer@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
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	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Valentin Schneider <vschneid@redhat.com>,
	Christian Brauner <brauner@kernel.org>,
	Shuah Khan <shuah@kernel.org>, linux-kernel@vger.kernel.org,
	Will Deacon <will@kernel.org>, jannh@google.com,
	linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org,
	Kees Cook <kees@kernel.org>, David Hildenbrand <david@redhat.com>
Subject: Re: [PATCH RFT v8 3/9] mm: Introduce ARCH_HAS_USER_SHADOW_STACK
Message-ID: <ZryJwQNsl3qCYMi_@arm.com>
References: <20240808-clone3-shadow-stack-v8-0-0acf37caf14c@kernel.org>
 <20240808-clone3-shadow-stack-v8-3-0acf37caf14c@kernel.org>
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In-Reply-To: <20240808-clone3-shadow-stack-v8-3-0acf37caf14c@kernel.org>

On Thu, Aug 08, 2024 at 09:15:24AM +0100, Mark Brown 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@redhat.com>
> Acked-by: David Hildenbrand <david@redhat.com>
> Reviewed-by: Deepak Gupta <debug@rivosinc.com>
> Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
> Signed-off-by: Mark Brown <broonie@kernel.org>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>