From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "Annapurve, Vishal" <vannapurve@google.com>,
"Hunter, Adrian" <adrian.hunter@intel.com>
Cc: "Gao, Chao" <chao.gao@intel.com>,
"seanjc@google.com" <seanjc@google.com>,
"Huang, Kai" <kai.huang@intel.com>,
"binbin.wu@linux.intel.com" <binbin.wu@linux.intel.com>,
"Chatre, Reinette" <reinette.chatre@intel.com>,
"Li, Xiaoyao" <xiaoyao.li@intel.com>,
"kirill.shutemov@linux.intel.com"
<kirill.shutemov@linux.intel.com>,
"tony.lindgren@linux.intel.com" <tony.lindgren@linux.intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"Yamahata, Isaku" <isaku.yamahata@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Zhao, Yan Y" <yan.y.zhao@intel.com>
Subject: Re: [PATCH V4 1/1] KVM: TDX: Add sub-ioctl KVM_TDX_TERMINATE_VM
Date: Wed, 18 Jun 2025 22:07:07 +0000 [thread overview]
Message-ID: <6136a419b8de3b7b3205dfb0cd85327c58c8ce54.camel@intel.com> (raw)
In-Reply-To: <CAGtprH_PwNkZUUx5+SoZcCmXAqcgfFkzprfNRH8HY3wcOm+1eg@mail.gmail.com>
On Tue, 2025-06-17 at 23:00 -0700, Vishal Annapurve wrote:
> gmem link support[1] allows associating existing guest_memfds with new
> VM instances.
>
> Breakdown of the userspace VMM flow:
> 1) Create a new VM instance before closing guest_memfd files.
> 2) Link existing guest_memfd files with the new VM instance. -> This
> creates new set of files backed by the same inode but associated with
> the new VM instance.
> 3) Close the older guest memfd handles -> results in older VM instance cleanup.
>
> [1] https://lore.kernel.org/lkml/cover.1747368092.git.afranji@google.com/#t
Is it intended to even work for TDX private memory? It seems to be SEV focused.
I think we really need to come to an agreement on how much to design code around
future ideas vs a more iterative approach. I had thought we had...
next prev parent reply other threads:[~2025-06-18 22:07 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-11 9:51 [PATCH V4 0/1] KVM: TDX: Decrease TDX VM shutdown time Adrian Hunter
2025-06-11 9:51 ` [PATCH V4 1/1] KVM: TDX: Add sub-ioctl KVM_TDX_TERMINATE_VM Adrian Hunter
2025-06-16 3:40 ` Vishal Annapurve
2025-06-18 5:50 ` Adrian Hunter
2025-06-18 6:00 ` Vishal Annapurve
2025-06-18 8:33 ` Adrian Hunter
2025-06-19 0:33 ` Sean Christopherson
2025-06-19 11:12 ` Adrian Hunter
2025-06-20 14:24 ` Sean Christopherson
2025-06-20 16:14 ` Vishal Annapurve
2025-06-20 16:26 ` Sean Christopherson
2025-06-23 20:36 ` Vishal Annapurve
2025-06-23 21:39 ` Sean Christopherson
2025-06-23 23:35 ` Vishal Annapurve
2025-06-20 18:59 ` Edgecombe, Rick P
2025-06-20 21:21 ` Vishal Annapurve
2025-06-20 23:34 ` Edgecombe, Rick P
2025-06-21 3:00 ` Vishal Annapurve
2025-06-23 16:23 ` Edgecombe, Rick P
2025-06-23 20:22 ` Vishal Annapurve
2025-06-23 22:51 ` Edgecombe, Rick P
2025-06-18 22:07 ` Edgecombe, Rick P [this message]
2025-06-23 20:40 ` Vishal Annapurve
2025-06-25 22:25 ` [PATCH V4 0/1] KVM: TDX: Decrease TDX VM shutdown time Sean Christopherson
2025-06-26 15:58 ` Sean Christopherson
2025-06-26 19:52 ` Adrian Hunter
2025-07-11 8:55 ` Xiaoyao Li
2025-07-11 13:05 ` Sean Christopherson
2025-07-11 13:40 ` Xiaoyao Li
2025-07-11 14:19 ` Sean Christopherson
2025-07-11 22:31 ` Edgecombe, Rick P
2025-07-11 22:54 ` Sean Christopherson
2025-07-11 23:04 ` Edgecombe, Rick P
2025-07-11 23:00 ` Edgecombe, Rick P
2025-07-11 23:05 ` Sean Christopherson
2025-07-11 23:17 ` Edgecombe, Rick P
2025-07-14 3:20 ` Xiaoyao Li
2025-07-14 13:56 ` Sean Christopherson
2025-07-14 15:06 ` Xiaoyao Li
2025-07-16 9:22 ` Xiaoyao Li
2025-07-18 15:35 ` Sean Christopherson
2025-07-17 9:14 ` Nikolay Borisov
2025-07-18 14:36 ` Sean Christopherson
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