[PATCH] kvm: x86: Mark __kvm_vcpu_halt() as static

From: Souptick Joarder
Date: Fri Jan 08 2021 - 22:10:40 EST


Kernel test robot throws below warning ->

>> arch/x86/kvm/x86.c:7979:5: warning: no previous prototype for
>> '__kvm_vcpu_halt' [-Wmissing-prototypes]
7979 | int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int
reason)
| ^~~~~~~~~~~~~~~

Marking __kvm_vcpu_halt() as static as it is used inside this file.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
---
arch/x86/kvm/x86.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 61499e1..c2fdf14 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -109,6 +109,7 @@
static void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
static void store_regs(struct kvm_vcpu *vcpu);
static int sync_regs(struct kvm_vcpu *vcpu);
+static int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int reason);

struct kvm_x86_ops kvm_x86_ops __read_mostly;
EXPORT_SYMBOL_GPL(kvm_x86_ops);
@@ -7976,7 +7977,7 @@ void kvm_arch_exit(void)
kmem_cache_destroy(x86_fpu_cache);
}

-int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int reason)
+static int __kvm_vcpu_halt(struct kvm_vcpu *vcpu, int state, int reason)
{
++vcpu->stat.halt_exits;
if (lapic_in_kernel(vcpu)) {
--
1.9.1