linux-kernel - Re: [PATCH v2 05/29] arm64: kconfig: Add Kconfig entry for MPAM

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ef45ce3a-7a78-45c8-8196-75923af7c6ab@redhat.com>
Date: Fri, 3 Oct 2025 10:32:04 +1000
From: Gavin Shan <gshan@...hat.com>
To: James Morse <james.morse@....com>, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org
Cc: D Scott Phillips OS <scott@...amperecomputing.com>,
 carl@...amperecomputing.com, lcherian@...vell.com,
 bobo.shaobowang@...wei.com, tan.shaopeng@...itsu.com,
 baolin.wang@...ux.alibaba.com, Jamie Iles <quic_jiles@...cinc.com>,
 Xin Hao <xhao@...ux.alibaba.com>, peternewman@...gle.com,
 dfustini@...libre.com, amitsinght@...vell.com,
 David Hildenbrand <david@...hat.com>, Dave Martin <dave.martin@....com>,
 Koba Ko <kobak@...dia.com>, Shanker Donthineni <sdonthineni@...dia.com>,
 fenghuay@...dia.com, baisheng.gao@...soc.com,
 Jonathan Cameron <jonathan.cameron@...wei.com>, Rob Herring
 <robh@...nel.org>, Rohit Mathew <rohit.mathew@....com>,
 Rafael Wysocki <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>, Hanjun Guo
 <guohanjun@...wei.com>, Sudeep Holla <sudeep.holla@....com>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Danilo Krummrich <dakr@...nel.org>
Subject: Re: [PATCH v2 05/29] arm64: kconfig: Add Kconfig entry for MPAM

On 9/11/25 6:42 AM, James Morse wrote:
> The bulk of the MPAM driver lives outside the arch code because it
> largely manages MMIO devices that generate interrupts. The driver
> needs a Kconfig symbol to enable it. As MPAM is only found on arm64
> platforms, the arm64 tree is the most natural home for the Kconfig
> option.
> 
> This Kconfig option will later be used by the arch code to enable
> or disable the MPAM context-switch code, and to register properties
> of CPUs with the MPAM driver.
> 
> Signed-off-by: James Morse <james.morse@....com>
> Reviewed-by: Jonathan Cameron <jonathan.cameron@...wei.com>
> CC: Dave Martin <dave.martin@....com>
> ---
> Changes since v1:
>   * Help text rewritten by Dave.
> ---
>   arch/arm64/Kconfig | 23 +++++++++++++++++++++++
>   1 file changed, 23 insertions(+)
> 

Reviewed-by: Gavin Shan <gshan@...hat.com>