diff options
| author | Tianyu Lan <ltykernel@gmail.com> | 2025-09-18 11:00:19 -0400 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2025-11-15 06:18:14 +0000 |
| commit | f34f5e576f5e17de5591c9ae306aeab2911d8533 (patch) | |
| tree | 2839d0a3affbcb679dc86a9c37e9913d8d9429ad /arch/x86/hyperv | |
| parent | 4cc1aa469cd6b714adc958547a4866247bfd60a9 (diff) | |
x86/hyperv: Don't use hv apic driver when Secure AVIC is available
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>
Diffstat (limited to 'arch/x86/hyperv')
| -rw-r--r-- | arch/x86/hyperv/hv_apic.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c index bfde0a3498b9..e669053b637d 100644 --- a/arch/x86/hyperv/hv_apic.c +++ b/arch/x86/hyperv/hv_apic.c @@ -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"); /* |