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From: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
To: broonie@kernel.org
Cc: Szabolcs.Nagy@arm.com,bp@alien8.de,brauner@kernel.org,bristot@redhat.com,bsegall@google.com,catalin.marinas@arm.com,dave.hansen@linux.intel.com,david@redhat.com,debug@rivosinc.com,dietmar.eggemann@arm.com,fweimer@redhat.com,hjl.tools@gmail.com,hpa@zytor.com,jannh@google.com,juri.lelli@redhat.com,kees@kernel.org,linux-api@vger.kernel.org,linux-kernel@vger.kernel.org,linux-kselftest@vger.kernel.org,mgorman@suse.de,mingo@redhat.com,peterz@infradead.org,rick.p.edgecombe@intel.com,rostedt@goodmis.org,shuah@kernel.org,tglx@linutronix.de,vincent.guittot@linaro.org,vschneid@redhat.com,will@kernel.org,x86@kernel.org
Subject: Re: [PATCH RFT v6 3/9] mm: Introduce ARCH_HAS_USER_SHADOW_STACK
Date: Tue, 16 Jul 2024 01:38:18 -0300	[thread overview]
Message-ID: <87ttgqt0hx.fsf@linaro.org> (raw)
In-Reply-To: <20240623-clone3-shadow-stack-v6-3-9ee7783b1fb9@kernel.org>


Hello,

> diff --git a/mm/Kconfig b/mm/Kconfig
> index b4cb45255a54..45416916dec1 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -1249,6 +1249,12 @@ config IOMMU_MM_DATA
>  config EXECMEM
>  	bool
>  
> +config ARCH_HAS_USER_SHADOW_STACK
> +	bool
> +	help
> +	  The architecture has hardware support for userspace shadow call
> +          stacks (eg, x87 CET, arm64 GCS or RISC-V Zicfiss).

s/x87/x86/ ?

-- 
Thiago

  reply	other threads:[~2024-07-16  4:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-23 11:23 [PATCH RFT v6 0/9] fork: Support shadow stacks in clone3() Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 1/9] Documentation: userspace-api: Add shadow stack API documentation Mark Brown
2024-06-25 22:31   ` Randy Dunlap
2024-06-23 11:23 ` [PATCH RFT v6 2/9] selftests: Provide helper header for shadow stack testing Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 3/9] mm: Introduce ARCH_HAS_USER_SHADOW_STACK Mark Brown
2024-07-16  4:38   ` Thiago Jung Bauermann [this message]
2024-06-23 11:23 ` [PATCH RFT v6 4/9] fork: Add shadow stack support to clone3() Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 5/9] selftests/clone3: Remove redundant flushes of output streams Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 6/9] selftests/clone3: Factor more of main loop into test_clone3() Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 7/9] selftests/clone3: Explicitly handle child exits due to signals Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 8/9] selftests/clone3: Allow tests to flag if -E2BIG is a valid error code Mark Brown
2024-06-23 11:23 ` [PATCH RFT v6 9/9] selftests/clone3: Test shadow stack support Mark Brown

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