From: Gavin Shan <gshan@redhat.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
kvm@vger.kernel.org, kvmarm@lists.linux.dev
Cc: maz@kernel.org, will@kernel.org, catalin.marinas@arm.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, steven.price@arm.com,
aneesh.kumar@kernel.org, oupton@kernel.org, joey.gouly@arm.com,
tabba@google.com, yuzenghui@huawei.com,
linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com,
sdonthineni@nvidia.com, alpergun@google.com,
fj0570is@fujitsu.com, WeiLin.Chang@arm.com,
lpieralisi@kernel.org, enju.kohei@fujitsu.com,
sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com
Subject: Re: [PATCH v19 3/7] firmware: arm_rmm: Configure the RMM with the host's page size
Date: Fri, 25 Sep 2026 10:03:26 +1000 [thread overview]
Message-ID: <cd2d60d7-fd6a-4f61-ac94-2190d364229b@redhat.com> (raw)
In-Reply-To: <20260924135201.850038-4-suzuki.poulose@arm.com>
On 9/24/26 11:51 PM, Suzuki K Poulose wrote:
> RMM v2.0 brings the ability to set the RMM's granule size. Check the
> feature registers and configure the RMM so that it matches the host's
> page size. This means that operations can be done with a granularity
> equal to PAGE_SIZE.
>
> Signed-off-by: Steven Price <steven.price@arm.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
> Changes since v18:
> * Move the rmi_config_set closer to rmi_configure, drop the comment
> * Use __free() magic for rmm_config object
> Changes since v17:
> * Move rmi_config_set() out of the header file.
> * Print the error message for rmi_config_set if it fails
> Changes since v15:
> * Actually check the feature register for the host's page-size support.
> Changes since v14:
> * Move the implementation into drivers/firmware/arm_rmm.
> Changes since v13:
> * Moved out of KVM.
> ---
> drivers/firmware/arm_rmm/rmi.c | 70 ++++++++++++++++++++++++++++++++++
> 1 file changed, 70 insertions(+)
>
Reviewed-by: Gavin Shan <gshan@redhat.com>
next prev parent reply other threads:[~2026-09-25 0:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 13:51 [PATCH v19 0/7] firmware: arm_rmm: Add RMM v2.0 base RMI support Suzuki K Poulose
2026-09-24 13:51 ` [PATCH v19 1/7] firmware: arm_rmm: Add SMC definitions for calling the RMM Suzuki K Poulose
2026-09-24 16:57 ` Jonathan Cameron
2026-09-24 22:15 ` Suzuki K Poulose
2026-09-24 17:05 ` Ackerley Tng
2026-09-24 22:49 ` Suzuki K Poulose
2026-09-24 13:51 ` [PATCH v19 2/7] firmware: arm_rmm: Check for RMI support at init Suzuki K Poulose
2026-09-24 16:58 ` Jonathan Cameron
2026-09-25 0:00 ` Gavin Shan
2026-09-24 13:51 ` [PATCH v19 3/7] firmware: arm_rmm: Configure the RMM with the host's page size Suzuki K Poulose
2026-09-24 17:03 ` Jonathan Cameron
2026-09-25 0:03 ` Gavin Shan [this message]
2026-09-24 13:51 ` [PATCH v19 4/7] firmware: arm_rmm: Add support for SRO Suzuki K Poulose
2026-09-24 19:13 ` Jonathan Cameron
2026-09-24 23:10 ` Suzuki K Poulose
2026-09-24 13:51 ` [PATCH v19 5/7] firmware: arm_rmm: Activate the RMM Suzuki K Poulose
2026-09-24 13:52 ` [PATCH v19 6/7] firmware: arm_rmm: Ensure the RMM has GPT entries for memory Suzuki K Poulose
2026-09-24 21:38 ` Jonathan Cameron
2026-09-24 23:30 ` Suzuki K Poulose
2026-09-25 0:07 ` Gavin Shan
2026-09-24 13:52 ` [PATCH v19 7/7] firmware: arm_rmm: Add wrappers for Realm related RMI commands Suzuki K Poulose
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