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x86/hyperv: Don't use hv apic driver when Secure AVIC is available

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When Secure AVIC is available, the AMD x2apic Secure
AVIC driver will be selected. In that case, have
hv_apic_init() return immediately without doing
anything.

Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Tianyu Lan 2025-09-18 11:00:19 -04:00 committed by Wei Liu
parent 4cc1aa469c
commit f34f5e576f
1 changed files with 3 additions and 0 deletions
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3
arch/x86/hyperv/hv_apic.c
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@ -293,6 +293,9 @@ static void hv_send_ipi_self(int vector)
void __init hv_apic_init(void)
{
if (cc_platform_has(CC_ATTR_SNP_SECURE_AVIC))
return;
if (ms_hyperv.hints & HV_X64_CLUSTER_IPI_RECOMMENDED) {
pr_info("Hyper-V: Using IPI hypercalls\n");
/*