Messages in this thread | | | Date | Tue, 22 Feb 2022 09:33:35 +0100 | Subject | Re: [PATCH] KVM: x86: Fix function address when kvm_x86_ops.func is NULL | From | Paolo Bonzini <> |
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On 2/22/22 07:25, Like Xu wrote: > From: Like Xu <likexu@tencent.com> > > Fix the function address for __static_call_return0() which is used by > static_call_update() when a func in struct kvm_x86_ops is NULL. > > Fixes: 5be2226f417d ("KVM: x86: allow defining return-0 static calls") > Signed-off-by: Like Xu <likexu@tencent.com>
Sorry for the stupid question, but what breaks?
Paolo
> --- > arch/x86/include/asm/kvm_host.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 713e08f62385..312f5ee19514 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -1548,7 +1548,7 @@ static inline void kvm_ops_static_call_update(void) > #define KVM_X86_OP_OPTIONAL __KVM_X86_OP > #define KVM_X86_OP_OPTIONAL_RET0(func) \ > static_call_update(kvm_x86_##func, kvm_x86_ops.func ? : \ > - (void *) __static_call_return0); > + (void *)&__static_call_return0); > #include <asm/kvm-x86-ops.h> > #undef __KVM_X86_OP > }
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