Re: [PATCH v3 2/2] x86/sev: Add support to unaccept memory after hot-remove

[Dave Hansen]

On 1/28/26 12:41, Pratik R. Sampat wrote:
> +static inline void arch_unaccept_memory(phys_addr_t start, phys_addr_t end)
> +{
> +	if (cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) {
> +		snp_unaccept_memory(start, end);
> +	} else {
> +		panic("Cannot unaccept memory: unknown platform\n");
> +	}
> +}

This panic() is pretty nasty.

Can't we just disable memory hotplug up front if it's:

	!cc_platform_has(CC_ATTR_GUEST_SEV_SNP)

?