diff options
-rw-r--r-- | arch/x86/include/asm/paravirt.h | 7 | ||||
-rw-r--r-- | arch/x86/include/asm/qspinlock.h | 7 | ||||
-rw-r--r-- | arch/x86/kernel/paravirt.c | 3 |
3 files changed, 10 insertions, 7 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index b49778664d2b..6c8ff12140ae 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -739,6 +739,7 @@ static __always_inline unsigned long arch_local_irq_save(void) ".popsection") extern void default_banner(void); +void native_pv_lock_init(void) __init; #else /* __ASSEMBLY__ */ @@ -778,6 +779,12 @@ extern void default_banner(void); #endif /* __ASSEMBLY__ */ #else /* CONFIG_PARAVIRT */ # define default_banner x86_init_noop + +#ifndef __ASSEMBLY__ +static inline void native_pv_lock_init(void) +{ +} +#endif #endif /* !CONFIG_PARAVIRT */ #ifndef __ASSEMBLY__ diff --git a/arch/x86/include/asm/qspinlock.h b/arch/x86/include/asm/qspinlock.h index d87451df480b..cde8357bb226 100644 --- a/arch/x86/include/asm/qspinlock.h +++ b/arch/x86/include/asm/qspinlock.h @@ -74,8 +74,6 @@ static inline bool vcpu_is_preempted(long cpu) */ DECLARE_STATIC_KEY_TRUE(virt_spin_lock_key); -void native_pv_lock_init(void) __init; - /* * Shortcut for the queued_spin_lock_slowpath() function that allows * virt to hijack it. @@ -103,10 +101,7 @@ static inline bool virt_spin_lock(struct qspinlock *lock) return true; } -#else -static inline void native_pv_lock_init(void) -{ -} + #endif /* CONFIG_PARAVIRT */ #include <asm-generic/qspinlock.h> diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index ac10b46c5832..32e94a320554 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -75,7 +75,8 @@ DEFINE_STATIC_KEY_TRUE(virt_spin_lock_key); void __init native_pv_lock_init(void) { - if (!boot_cpu_has(X86_FEATURE_HYPERVISOR)) + if (IS_ENABLED(CONFIG_PARAVIRT_SPINLOCKS) && + !boot_cpu_has(X86_FEATURE_HYPERVISOR)) static_branch_disable(&virt_spin_lock_key); } |