linux-kernel - Re: [PATCH v3 4/9] KVM: x86: rename update_bp_intercept to update_exception

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Message-ID: <CALMp9eS7MmS7G0YfXA7Wxwwxbx67LVWZ57z_ZCbpJv4euiNnAw@mail.gmail.com>
Date:   Fri, 10 Jul 2020 09:15:02 -0700
From:   Jim Mattson <jmattson@...gle.com>
To:     Mohammed Gamal <mgamal@...hat.com>
Cc:     kvm list <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>
Subject: Re: [PATCH v3 4/9] KVM: x86: rename update_bp_intercept to update_exception_bitmap

On Fri, Jul 10, 2020 at 8:48 AM Mohammed Gamal <mgamal@...hat.com> wrote:
>
> From: Paolo Bonzini <pbonzini@...hat.com>
>
> We would like to introduce a callback to update the #PF intercept
> when CPUID changes.  Just reuse update_bp_intercept since VMX is
> already using update_exception_bitmap instead of a bespoke function.
>
> While at it, remove an unnecessary assignment in the SVM version,
> which is already done in the caller (kvm_arch_vcpu_ioctl_set_guest_debug)
> and has nothing to do with the exception bitmap.
>
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
Reviewed-by: Jim Mattson <jmattson@...gle.com>