linux-kernel - Re: [PATCH 1/2] KVM: X86: Move ignore

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Date:   Thu, 9 Jul 2020 20:24:03 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Peter Xu <peterx@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Vitaly Kuznetsov <vkuznets@...hat.com>
Subject: Re: [PATCH 1/2] KVM: X86: Move ignore_msrs handling upper the stack

On 09/07/20 20:22, Peter Xu wrote:
>>> So I think Peter's patch is fine, but (possibly on top as a third patch)
>>> __must_check should be added to MSR getters and setters.  Also one
>>> possibility is to return -EINVAL for invalid MSRs.
> Yeah I can add another patch for that.  Also if to repost, I tend to also
> introduce KVM_MSR_RET_[OK|ERROR] too, which seems to be cleaner when we had
> KVM_MSR_RET_INVALID.

You can use either that or 0/1/-EINVAL.  I would be fine with that to
keep the patch small.

Paolo