Messages in this thread | | | Date | Thu, 19 May 2022 16:33:15 +0200 | From | "Gupta, Pankaj" <> | Subject | Re: [PATCHv6 02/15] mm: Add support for unaccepted memory |
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> On Thu, May 19, 2022 at 12:43:15PM +0200, Gupta, Pankaj wrote: >> If both Intel TDX and AMD SEV-SNP requires the memory to be accepted before >> it can be used by the guest. In what other use cases (apart from memory >> hotplug), the lazy memory acceptance will be useful? > > It is nothing to do with hotplug. > > Any memory has to be accepted before it can be used inside the TDX or > SEV-SNP guest. It can happen upfront, before kernel gets control (like by > firmware) or by kernel. The idea is to accept small portion of the memory > upfront and leave the rest to the kernel. The reason why delaying > acceptance make sense is boot time. We want the guest to start doing > useful stuff as fast as possible.
o.k. That answers my question. Thank you!
Best regards, Pankaj
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