Re: [PATCH] KVM: arm64: Synchronize SMEN on vcpu schedule out

[Oliver Upton]

On Tue, 20 Dec 2022 18:50:24 +0800, Dong Bo wrote:
> From: Nianyao Tang <tangnianyao@xxxxxxxxxx>
> 
> If we have VHE and need to reenable SME for host in
> kvm_arch_vcpu_put_fp, CPACR.SMEN is modified from 0 to 1. Trap
> control for reading SVCR is modified from enable to disable.
> Synchronization is needed before reading SVCR later in
> fpsimd_save, or it may cause sync exception which can not be
> handled by host.
> 
> [...]

Applied to kvmarm/next, thanks!

[1/1] KVM: arm64: Synchronize SMEN on vcpu schedule out
      https://git.kernel.org/kvmarm/kvmarm/c/59d78a2ec0e9

--
Best,
Oliver