linux-kernel - Re: [v2 PATCH 2/4] x86/kvm: Add definitions for virtual suspend time injection

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Date:   Tue, 10 Aug 2021 17:14:57 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Hikaru Nishida <hikalium@...omium.org>,
        linux-kernel@...r.kernel.org, dme@....org, mlevitsk@...hat.com
Cc:     suleiman@...gle.com, Hikaru Nishida <hikalium@...omium.org>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        John Stultz <john.stultz@...aro.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Steve Wahl <steve.wahl@....com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>, kvm@...r.kernel.org,
        x86@...nel.org
Subject: Re: [v2 PATCH 2/4] x86/kvm: Add definitions for virtual suspend
 time injection

On Fri, Aug 06 2021 at 19:07, Hikaru Nishida wrote:

> Add definitions of MSR, KVM_FEATURE bit, IRQ and a structure called
> kvm_suspend_time that are used by later patchs to support the
> virtual suspend time injection mechanism.

Why does this need to include kvm_host.h in the timekeeping core?

> --- a/kernel/time/timekeeping.c
> +++ b/kernel/time/timekeeping.c
> @@ -22,6 +22,7 @@
>  #include <linux/pvclock_gtod.h>
>  #include <linux/compiler.h>
>  #include <linux/audit.h>
> +#include <linux/kvm_host.h>
>  
>  #include "tick-internal.h"
>  #include "ntp_internal.h"

Thanks,

        tglx