linux-kernel - Re: fastpath_t? __no

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Date:   Mon, 15 Jun 2020 09:12:56 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     paulmck@...nel.org, cai@....pw, elver@...gle.com
Cc:     linux-kernel@...r.kernel.org
Subject: Re: fastpath_t? __no_kcsan? Both?

On 15/06/20 06:20, Paul E. McKenney wrote:
> 
> I get the following conflict when rebasing 39a8c47635b0 ("kvm/svm:
> Disable KCSAN for svm_vcpu_run()") onto v5.8-rc1:
> 
> <<<<<<< 6c410247efb2d3907b508a2448ab9ab1c86d938c
> static fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu)
> =======
> static __no_kcsan void svm_vcpu_run(struct kvm_vcpu *vcpu)
>>>>>>>> kvm/svm: Disable KCSAN for svm_vcpu_run()
> The "natural" resolution would be this:
> 
> static fastpath_t __no_kcsan void svm_vcpu_run(struct kvm_vcpu *vcpu)
> 
> But does that make sense?

fastpath_t is just an enum, so

	static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu)

Now that KCSAN has been merged however I can do this change myself.

Thanks!

Paolo