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Message-ID: <86msnnk4y7.wl-maz@kernel.org>
Date: Fri, 14 Jun 2024 14:51:44 +0100
From: Marc Zyngier <maz@...nel.org>
To: Sebastian Ene <sebastianene@...gle.com>
Cc: catalin.marinas@....com,
james.morse@....com,
jean-philippe@...aro.org,
oliver.upton@...ux.dev,
qperret@...gle.com,
qwandor@...gle.com,
sudeep.holla@....com,
suzuki.poulose@....com,
tabba@...gle.com,
will@...nel.org,
yuzenghui@...wei.com,
lpieralisi@...nel.org,
kvmarm@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
kernel-team@...roid.com
Subject: Re: [PATCH v3 0/4] KVM: arm64: pKVM host proxy FF-A fixes
On Thu, 13 Jun 2024 14:20:31 +0100,
Sebastian Ene <sebastianene@...gle.com> wrote:
>
> Hello,
>
>
> This series contains some small fixes for the host pKVM proxy code. I included
> some of the patches that I already sent on the list as part of this series
> to make it easier to keep track of them.
>
> I verified the functionality with OPTEE as a TEE-OS.
>
> Changelog:
>
> v2 -> v3:
>
> * small fixes on the commit messages
> * applied the Review-by tags from Sudeep. Thank you Sudeep !
>
> v1 -> v2:
>
> * applied the feedback received from Will on the FFA_VERSION patch:
> The spec requires that no other calls to be issued prior to the FFA
> version negotiation and the current change reflects this. After the
> version negotiation phase is complete with Trustzone we will just
> return the hypervisor version.
>
> * corrected some mistakes on the FFA_PARTITION_INFO_GET patch:
> - don't trim the number of bytes copied from the hypervisor buffer
> - introduce FFA_1_0_PARTITON_INFO_SZ definition
> - simplify the logic when the input flag is specified
>
> * collected the Ack from Will and embbeded it in the commit - Thanks Will !
>
>
> v2:
> https://lore.kernel.org/all/20240515172258.1680881-1-sebastianene@google.com/
>
> v1:
>
> * previously posted FFA_PARTITION_INFO_GET patch here:
> https://lore.kernel.org/kvmarm/20240411133249.2134696-1-sebastianene@google.com/
> -> minor changes from the previous version, look for the current
> ffa_version in the host_buffer structure
>
> * previously posted "Fix the identification range for the FF-A smcs" here:
> https://lore.kernel.org/kvmarm/20240322124303.309423-1-sebastianene@google.com/
>
> Thank you,
> Sebastian
>
> Sebastian Ene (4):
> KVM: arm64: Trap FFA_VERSION host call in pKVM
> KVM: arm64: Add support for FFA_PARTITION_INFO_GET
> KVM: arm64: Update the identification range for the FF-A smcs
> KVM: arm64: Use FF-A 1.1 with pKVM
>
> arch/arm64/kvm/hyp/include/nvhe/ffa.h | 2 +-
> arch/arm64/kvm/hyp/nvhe/ffa.c | 180 +++++++++++++++++++++-----
> include/linux/arm_ffa.h | 3 +
> 3 files changed, 152 insertions(+), 33 deletions(-)
Although these are labelled as fixes, I don't think they warrant being
taken into 6.10. So assuming Oliver will take them into 6.11:
Acked-by: Marc Zyngier <maz@...nel.org>
M.
--
Without deviation from the norm, progress is not possible.
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