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x86/kvm: Make kvm_async_pf_task_wake() a local static helper 

Make kvm_async_pf_task_wake() static and drop its export, as the symbol is
only referenced from within kvm.c.

No functional change intended.

Link: https://lore.kernel.org/r/20250729153901.564123-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
pull/1354/merge
Sean Christopherson 2025-07-29 08:39:01 -07:00
parent 0dccbc75e1
commit 657bf7048d
2 changed files with 1 additions and 4 deletions
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2
arch/x86/include/asm/kvm_para.h
View File

@ -124,7 +124,6 @@ bool kvm_para_available(void);
unsigned int kvm_arch_para_features(void); unsigned int kvm_arch_para_features(void);
unsigned int kvm_arch_para_hints(void); unsigned int kvm_arch_para_hints(void);
void kvm_async_pf_task_wait_schedule(u32 token); void kvm_async_pf_task_wait_schedule(u32 token);
void kvm_async_pf_task_wake(u32 token);
u32 kvm_read_and_reset_apf_flags(void); u32 kvm_read_and_reset_apf_flags(void);
bool __kvm_handle_async_pf(struct pt_regs *regs, u32 token); bool __kvm_handle_async_pf(struct pt_regs *regs, u32 token);
@ -148,7 +147,6 @@ static inline void kvm_spinlock_init(void)
#else /* CONFIG_KVM_GUEST */ #else /* CONFIG_KVM_GUEST */
#define kvm_async_pf_task_wait_schedule(T) do {} while(0) #define kvm_async_pf_task_wait_schedule(T) do {} while(0)
#define kvm_async_pf_task_wake(T) do {} while(0)
static inline bool kvm_para_available(void) static inline bool kvm_para_available(void)
{ {

3
arch/x86/kernel/kvm.c
View File

@ -190,7 +190,7 @@ static void apf_task_wake_all(void)
} }
} }
void kvm_async_pf_task_wake(u32 token) static void kvm_async_pf_task_wake(u32 token)
{ {
u32 key = hash_32(token, KVM_TASK_SLEEP_HASHBITS); u32 key = hash_32(token, KVM_TASK_SLEEP_HASHBITS);
struct kvm_task_sleep_head *b = &async_pf_sleepers[key]; struct kvm_task_sleep_head *b = &async_pf_sleepers[key];
@ -241,7 +241,6 @@ again:
/* A dummy token might be allocated and ultimately not used. */ /* A dummy token might be allocated and ultimately not used. */
kfree(dummy); kfree(dummy);
} }
EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake);
noinstr u32 kvm_read_and_reset_apf_flags(void) noinstr u32 kvm_read_and_reset_apf_flags(void)
{ {