Messages in this thread | | | Subject | Re: SEV guest regression in 4.18 | From | Paolo Bonzini <> | Date | Thu, 23 Aug 2018 13:26:55 +0200 |
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On 22/08/2018 22:11, Brijesh Singh wrote: > > Yes, this is one of approach I have in mind. It will avoid splitting > the larger pages; I am thinking that early in boot code we can lookup > for this special section and decrypt it in-place and probably maps with > C=0. Only downside, it will increase data section footprint a bit > because we need to align this section to PM_SIZE.
If you can ensure it doesn't span a PMD, maybe it does not need to be aligned; you could establish a C=0 mapping of the whole 2M around it.
Paolo
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