From: Mark Brown <broonie@kernel.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, amit.kachhap@arm.com,
ardb@kernel.org, catalin.marinas@arm.com, will@kernel.org
Subject: Re: [PATCH 2/2] arm64: pauth: don't sign leaf functions
Date: Mon, 30 Jan 2023 18:33:42 +0000 [thread overview]
Message-ID: <Y9gNhmrxl6BigajH@sirena.org.uk> (raw)
In-Reply-To: <20230125182201.800076-3-mark.rutland@arm.com>
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On Wed, Jan 25, 2023 at 06:22:01PM +0000, Mark Rutland wrote:
> Currently, when CONFIG_ARM64_PTR_AUTH_KERNEL=y (and
> CONFIG_UNWIND_PATCH_PAC_INTO_SCS=n), we enable pointer authentication
> for all functions, including leaf functions. This isn't necessary, and
> is unfortunate for a few reasons:
Reviewed-by: Mark Brown <broonie@kernel.org>
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prev parent reply other threads:[~2023-01-30 18:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-25 18:21 [PATCH 0/2] arm64: pointer auth cleanup Mark Rutland
2023-01-25 18:22 ` [PATCH 1/2] arm64: unify asm-arch manipulation Mark Rutland
2023-01-26 8:31 ` Ard Biesheuvel
2023-01-30 18:31 ` Mark Brown
2023-01-25 18:22 ` [PATCH 2/2] arm64: pauth: don't sign leaf functions Mark Rutland
2023-01-26 8:40 ` Ard Biesheuvel
2023-01-26 11:00 ` Mark Rutland
2023-01-30 18:33 ` Mark Brown [this message]
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