Ping^2: [PATCH v2] arm64: Add overrride for MPAM

From: Xi Ruoyao
Date: Sun May 11 2025 - 04:33:04 EST


On Wed, 2025-04-02 at 11:12 +0800, Xi Ruoyao wrote:
> As the message of the commit 09e6b306f3ba ("arm64: cpufeature:
> discover
> CPU support for MPAM") already states, if a buggy firmware fails to
> either enable MPAM or emulate the trap as if it were disabled, the
> kernel will just fail to boot.  While upgrading the firmware should be
> the best solution, we have some hardware of which the vendor have made
> no response 2 months after we requested a firmware update.  Allow
> overriding it so our devices don't become some e-waste.
>
> Cc: James Morse <james.morse@xxxxxxx>
> Cc: Marc Zyngier <maz@xxxxxxxxxx>
> Cc: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx>
> Cc: Mingcong Bai <jeffbai@xxxxxxx>
> Signed-off-by: Xi Ruoyao <xry111@xxxxxxxxxxx>
> ---

Ping^2.

--
Xi Ruoyao <xry111@xxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University