linux-kernel - Re: [PATCH v3 22/25] KVM: TDX: Convert INIT_MEM_REGION and INIT

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Message-ID: <012443190436b44a58dd683b8c98b75276c71955.camel@intel.com>
Date: Fri, 24 Oct 2025 10:36:00 +0000
From: "Huang, Kai" <kai.huang@...el.com>
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Subject: Re: [PATCH v3 22/25] KVM: TDX: Convert INIT_MEM_REGION and INIT_VCPU
 to "unlocked" vCPU ioctl

On Thu, 2025-10-16 at 17:32 -0700, Sean Christopherson wrote:
> Handle the KVM_TDX_INIT_MEM_REGION and KVM_TDX_INIT_VCPU vCPU sub-ioctls
> in the unlocked variant, i.e. outside of vcpu->mutex, in anticipation of
> taking kvm->lock along with all other vCPU mutexes, at which point the
> sub-ioctls _must_ start without vcpu->mutex held.
> 
> No functional change intended.
> 
> Co-developed-by: Yan Zhao <yan.y.zhao@...el.com>
> Signed-off-by: Yan Zhao <yan.y.zhao@...el.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>

Reviewed-by: Kai Huang <kai.huang@...el.com>