x86/hyperv: Don't use auto-eoi when Secure AVIC is available

Hyper-V doesn't support auto-eoi with Secure AVIC.
So set the HV_DEPRECATING_AEOI_RECOMMENDED flag
to force writing the EOI register after handling an interrupt.

Reviewed-by: Michael Kelley <[e-mail]>
Reviewed-by: Neeraj Upadhyay <[e-mail]>
Signed-off-by: Tianyu Lan <[e-mail]>
Signed-off-by: Wei Liu <[e-mail]>

arch/x86/kernel/cpu/mshyperv.c

···
 
 	hv_identify_partition_type();
 
+	if (cc_platform_has(CC_ATTR_SNP_SECURE_AVIC))
+		ms_hyperv.hints |= HV_DEPRECATING_AEOI_RECOMMENDED;
+
 	if (ms_hyperv.hints & HV_X64_HYPERV_NESTED) {
 		hv_nested = true;
 		pr_info("Hyper-V: running on a nested hypervisor\n");