linux-kernel - Re: [PATCH v4] X86/KVM: Properly update 'tsc

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Message-ID: <CALMp9eRaOTOQF9T3CrvbgZOk0ohbdzbNtwMtb8-Beu0fBvpXWA@mail.gmail.com>
Date:   Mon, 16 Apr 2018 08:45:36 -0700
From:   Jim Mattson <jmattson@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     KarimAllah Ahmed <karahmed@...zon.de>,
        kvm list <kvm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Radim Krčmář <rkrcmar@...hat.com>
Subject: Re: [PATCH v4] X86/KVM: Properly update 'tsc_offset' to represent the
 running guest

On Mon, Apr 16, 2018 at 4:04 AM, Paolo Bonzini <pbonzini@...hat.com> wrote:
> On 14/04/2018 05:10, KarimAllah Ahmed wrote:
>> Update 'tsc_offset' on vmentry/vmexit of L2 guests to ensure that it always
>> captures the TSC_OFFSET of the running guest whether it is the L1 or L2
>> guest.
>>
>> Cc: Jim Mattson <jmattson@...gle.com>
>> Cc: Paolo Bonzini <pbonzini@...hat.com>
>> Cc: Radim Krčmář <rkrcmar@...hat.com>
>> Cc: kvm@...r.kernel.org
>> Cc: linux-kernel@...r.kernel.org
>> Suggested-by: Paolo Bonzini <pbonzini@...hat.com>
>> Signed-off-by: KarimAllah Ahmed <karahmed@...zon.de>
>> [AMD changes, fix update_ia32_tsc_adjust_msr. - Paolo]
>> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
Reviewed-by: Jim Mattson <jmattson@...gle.com>