Re: [PATCH v4 21/21] arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line
From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2021-01-23 14:29:38
Also in:
kvmarm, lkml
On Mon, Jan 18, 2021 at 09:45:33AM +0000, Marc Zyngier wrote:
In order to be able to disable Pointer Authentication at runtime,
whether it is for testing purposes, or to work around HW issues,
let's add support for overriding the ID_AA64ISAR1_EL1.{GPI,GPA,API,APA}
fields.
This is further mapped on the arm64.nopauth command-line alias.
Signed-off-by: Marc Zyngier <maz@kernel.org>Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel