[PATCH v8 4/7] KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported

Will Deacon will at kernel.org
Tue Jul 29 08:45:56 PDT 2025


On Sat, Jul 19, 2025 at 02:11:26AM +0000, Per Larsen via B4 Relay wrote:
> From: Per Larsen <perlarsen at google.com>
> 
> Update ffa_call_supported to mark FF-A 1.2 interfaces as unsupported
> lest they get forwarded. FFA_MSG_SEND_DIRECT_REQ2 is not marked as
> unsupported because a later patch in this series adds support.

Please add it as unsupported as well. Then the subsequent patch which
adds support can remove it again, that way the series is bisectable and
if (for some reason) only this patch gets backported then it won't
cause any problems.

Will



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