diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/hypervisor.c | 19 | ||||
| -rw-r--r-- | arch/x86/kernel/jailhouse.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/x86_init.c | 4 |
4 files changed, 15 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c index 87e39ad8d873..553bfbfc3a1b 100644 --- a/arch/x86/kernel/cpu/hypervisor.c +++ b/arch/x86/kernel/cpu/hypervisor.c @@ -26,14 +26,6 @@ #include <asm/processor.h> #include <asm/hypervisor.h> -extern const struct hypervisor_x86 x86_hyper_vmware; -extern const struct hypervisor_x86 x86_hyper_ms_hyperv; -extern const struct hypervisor_x86 x86_hyper_xen_pv; -extern const struct hypervisor_x86 x86_hyper_xen_hvm; -extern const struct hypervisor_x86 x86_hyper_kvm; -extern const struct hypervisor_x86 x86_hyper_jailhouse; -extern const struct hypervisor_x86 x86_hyper_acrn; - static const __initconst struct hypervisor_x86 * const hypervisors[] = { #ifdef CONFIG_XEN_PV @@ -58,6 +50,14 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] = enum x86_hypervisor_type x86_hyper_type; EXPORT_SYMBOL(x86_hyper_type); +bool __initdata nopv; +static __init int parse_nopv(char *arg) +{ + nopv = true; + return 0; +} +early_param("nopv", parse_nopv); + static inline const struct hypervisor_x86 * __init detect_hypervisor_vendor(void) { @@ -65,6 +65,9 @@ detect_hypervisor_vendor(void) uint32_t pri, max_pri = 0; for (p = hypervisors; p < hypervisors + ARRAY_SIZE(hypervisors); p++) { + if (unlikely(nopv) && !(*p)->ignore_nopv) + continue; + pri = (*p)->detect(); if (pri > max_pri) { max_pri = pri; diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c index 6857b4577f17..3ad34f01de2a 100644 --- a/arch/x86/kernel/jailhouse.c +++ b/arch/x86/kernel/jailhouse.c @@ -217,4 +217,5 @@ const struct hypervisor_x86 x86_hyper_jailhouse __refconst = { .detect = jailhouse_detect, .init.init_platform = jailhouse_init_platform, .init.x2apic_available = jailhouse_x2apic_available, + .ignore_nopv = true, }; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 259d1d2be076..fdbd47ceb84d 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1368,8 +1368,6 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) pr_info("CPU0: "); print_cpu_info(&cpu_data(0)); - native_pv_lock_init(); - uv_system_init(); set_mtrr_aps_delayed_init(); @@ -1399,6 +1397,7 @@ void __init native_smp_prepare_boot_cpu(void) /* already set me in cpu_online_mask in boot_cpu_init() */ cpumask_set_cpu(me, cpu_callout_mask); cpu_set_state_online(me); + native_pv_lock_init(); } void __init calculate_max_logical_packages(void) diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 50a2b492fdd6..1bef687faf22 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -29,8 +29,8 @@ void x86_init_noop(void) { } void __init x86_init_uint_noop(unsigned int unused) { } static int __init iommu_init_noop(void) { return 0; } static void iommu_shutdown_noop(void) { } -static bool __init bool_x86_init_noop(void) { return false; } -static void x86_op_int_noop(int cpu) { } +bool __init bool_x86_init_noop(void) { return false; } +void x86_op_int_noop(int cpu) { } /* * The platform setup functions are preset with the default functions |