On Wed, 20 Aug 2025 01:10:04 +0000, Per Larsen wrote:

The FF-A 1.2 specification introduces a new SEND_DIRECT2 ABI which
allows registers x4-x17 to be used for the message payload. This patch
set prevents the host from using a lower FF-A version than what has
already been negotiated with the hypervisor. This is necessary because
the hypervisor does not have the necessary compatibility paths to
translate from the hypervisor FF-A version to a previous version.

[...]

Applied to next, thanks!

[1/6] KVM: arm64: Correct return value on host version downgrade attempt
      commit: f414269392443f666bd8bef0cb3f0b53d5147be3
[2/6] KVM: arm64: Use SMCCC 1.2 for FF-A initialization and in host handler
      commit: 6f4c348b1d5c08f1105e645700962cc4353a8ac9
[3/6] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
      commit: 79195f342417ff773048515964707aba3bfe0e41
[4/6] KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported
      commit: 8d24683e3e0f93b4bfdb558df50923514042817b
[5/6] KVM: arm64: Mask response to FFA_FEATURE call
      commit: 3f5952917498e7bb9d227812d4349668f62c413b
[6/6] KVM: arm64: Bump the supported version of FF-A to 1.2
      commit: 162190f2ccdc5964efa2a26e9fc3e56cf80fc29b

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.