Re: SEV guest regression in 4.18

From: Borislav Petkov
Date: Tue Aug 21 2018 - 11:19:27 EST

On Tue, Aug 21, 2018 at 09:37:56AM -0500, Brijesh Singh wrote:
> Those variables are accessed immediately by the tsc calibration code
> path hence we will not able to delay the allocation.

If you mean, check_tsc_sync_source/_target(), those are called pretty
late, AFAICT.

And I see a setup_arch() -> init_mem_mapping -> ... ->
kernel_physical_mapping_init() call which happens much earlier.

Again, AFAICT. You probably should try it though, to make sure.


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