linux-kernel - Re: [PATCH v3 00/47] arm_mpam: Add KVM/arm64 and resctrl glue code

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Message-ID: <440ea311-67b7-4b7a-936c-845fce4919b5@arm.com>
Date: Thu, 15 Jan 2026 11:36:47 +0000
From: Ben Horgan <ben.horgan@....com>
To: Peter Newman <peternewman@...gle.com>
Cc: amitsinght@...vell.com, baisheng.gao@...soc.com,
 baolin.wang@...ux.alibaba.com, carl@...amperecomputing.com,
 dave.martin@....com, david@...nel.org, dfustini@...libre.com,
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 punit.agrawal@....qualcomm.com, quic_jiles@...cinc.com,
 reinette.chatre@...el.com, rohit.mathew@....com,
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 joey.gouly@....com, suzuki.poulose@....com, kvmarm@...ts.linux.dev
Subject: Re: [PATCH v3 00/47] arm_mpam: Add KVM/arm64 and resctrl glue code

Hi Peter,

On 1/15/26 11:14, Peter Newman wrote:
> Hi Ben,
> 
> On Mon, Jan 12, 2026 at 5:59 PM Ben Horgan <ben.horgan@....com> wrote:
[...]
> 
> Like before, I applied the patches and successfully booted a kernel on
> a baremetal Google Cloud C4A instance. I was able to confirm that the
> resources we expect were present and I was able to successfully run
> the monitor assignment test cases I used to validate ABMC on AMD
> systems. (Though I had to hack the driver to pretend there were less
> MBWU monitors so that the counter assignment interfaces would become
> available.)
> 
> My use cases only cover resctrl in the host, so I didn't try any of
> the KVM integration, but I can at least say there wasn't any evidence
> that it interfered with resctrl.
> 
> Tested-by: Peter Newman <peternewman@...gle.com>

Thanks for the testing!

Ben