linux-kernel - Re: [PATCH v4 11/28] KVM: x86/mmu: Drop the return code from kvm_x86_ops.remove_external

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Message-ID: <1a3921b518073b2a35af7ea517cfad95c078533c.camel@intel.com>
Date: Thu, 30 Oct 2025 22:26:20 +0000
From: "Huang, Kai" <kai.huang@...el.com>
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Subject: Re: [PATCH v4 11/28] KVM: x86/mmu: Drop the return code from
 kvm_x86_ops.remove_external_spte()

On Thu, 2025-10-30 at 13:09 -0700, Sean Christopherson wrote:
> Drop the return code from kvm_x86_ops.remove_external_spte(), a.k.a.
> tdx_sept_remove_private_spte(), as KVM simply does a KVM_BUG_ON() failure,
> and that KVM_BUG_ON() is redundant since all error paths in TDX also do a
> KVM_BUG_ON().
> 
> Opportunistically pass the spte instead of the pfn, as the API is clearly
> about removing an spte.
> 
> Suggested-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
> Reviewed-by: Binbin Wu <binbin.wu@...ux.intel.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> 

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