From: Xi Ruoyao <xry111@xry111.site>
To: James Morse <james.morse@arm.com>, Marc Zyngier <maz@kernel.org>,
Anshuman Khandual <anshuman.khandual@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
Mingcong Bai <jeffbai@aosc.io>
Subject: Ping^2: [PATCH v2] arm64: Add overrride for MPAM
Date: Sun, 11 May 2025 16:26:38 +0800 [thread overview]
Message-ID: <95e820cf9977b8d20d7cd3c64be463285ca57772.camel@xry111.site> (raw)
In-Reply-To: <20250402031603.35411-1-xry111@xry111.site>
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@arm.com>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> Cc: Mingcong Bai <jeffbai@aosc.io>
> Signed-off-by: Xi Ruoyao <xry111@xry111.site>
> ---
Ping^2.
--
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University
next prev parent reply other threads:[~2025-05-11 8:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-02 3:12 Xi Ruoyao
2025-04-09 1:56 ` Shaopeng Tan (Fujitsu)
2025-04-18 4:08 ` Ping: " Xi Ruoyao
2025-05-11 8:26 ` Xi Ruoyao [this message]
2025-05-13 10:42 ` Ben Horgan
2025-05-16 10:27 ` Xi Ruoyao
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