linux-kernel - Re: [PATCH 07/25] KVM: TDX: Add helper functions to allocate/free TDX private host key id

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Message-ID: <38ecaf2b1a0cd590f67609c87a72743a07b1e464.camel@intel.com>
Date: Tue, 10 Sep 2024 16:43:51 +0000
From: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To: "kvm@...r.kernel.org" <kvm@...r.kernel.org>, "pbonzini@...hat.com"
	<pbonzini@...hat.com>, "seanjc@...gle.com" <seanjc@...gle.com>
CC: "Li, Xiaoyao" <xiaoyao.li@...el.com>, "isaku.yamahata@...il.com"
	<isaku.yamahata@...il.com>, "tony.lindgren@...ux.intel.com"
	<tony.lindgren@...ux.intel.com>, "Huang, Kai" <kai.huang@...el.com>,
	"Yamahata, Isaku" <isaku.yamahata@...el.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 07/25] KVM: TDX: Add helper functions to allocate/free TDX
 private host key id

On Tue, 2024-09-10 at 18:42 +0200, Paolo Bonzini wrote:
> Yes, I meant this is the code and it just has to be moved to arch/x86. 
> The only other function that is needed is a wrapper for ida_is_empty(), 
> which is used in tdx_offline_cpu():
> 
>          /* No TD is running.  Allow any cpu to be offline. */
>          if (ida_is_empty(&tdx_guest_keyid_pool))
>                  return 0;

Oh, good point.