linux-kernel - Re: [RFC v1 1/9] KVM: x86: Add base address parameter for get_fixed

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Date:   Thu, 29 Aug 2019 14:10:15 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Luwei Kang <luwei.kang@...el.com>
Cc:     pbonzini@...hat.com, rkrcmar@...hat.com,
        sean.j.christopherson@...el.com, vkuznets@...hat.com,
        wanpengli@...cent.com, jmattson@...gle.com, joro@...tes.org,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC v1 1/9] KVM: x86: Add base address parameter for
 get_fixed_pmc function

>  /* returns fixed PMC with the specified MSR */
> -static inline struct kvm_pmc *get_fixed_pmc(struct kvm_pmu *pmu, u32 msr)
> +static inline struct kvm_pmc *get_fixed_pmc(struct kvm_pmu *pmu, u32 msr,
> +								int base)

Better define a __get_fixed_pmc just for this case, with the existing
get_fixed_pmc being a wrapper.

This would avoid changing all the callers below.


-Andi