[PATCH] arm64: kvm, smccc: Fix vendor uuid

[Will Deacon]

On Mon, 21 Jul 2025 14:05:58 +0100, Jack Thomson wrote:
> Commit 13423063c7cb ("arm64: kvm, smccc: Introduce and use API for
> getting hypervisor UUID") replaced the explicit register constants
> with the UUID_INIT macro. However, there is an endian issue, meaning
> the UUID generated and used in the handshake didn't match UUID prior to
> the commit.
> 
> The change in UUID causes the SMCCC vendor handshake to fail with older
> guest kernels, meaning devices such as PTP were not available in the
> guest.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: kvm, smccc: Fix vendor uuid
      https://git.kernel.org/arm64/c/ab1612211532

There was a stray "getting hypervisor UUID")" line in the original
commit message after the Fixes: tag, so I dropped that bit.

Cheers,
-- 
Will

https://fixes.arm64.dev
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