On Tue, Aug 25, 2020 at 11:22:24AM +0200, Joerg Roedel wrote:

I don't think so, if I look at the history of these checks their whole
purpose seems to be to alert the developer/maintainer when their size
changes and that they might not fit on the stack anymore. But that is
taken care of in patch 1.

Why? What's wrong with:

	BUILD_BUG_ON(sizeof(struct vmcb_save_area) != VMCB_SAVE_AREA_SIZE);
	BUILD_BUG_ON(sizeof(struct vmcb_control_area) != VMCB_CONTROL_AREA_SIZE);
	BUILD_BUG_ON(sizeof(struct ghcb) != PAGE_SIZE);

?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette
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