From: Paolo Bonzini <pbonzini@redhat.com>
To: Suleiman Souhlal <suleiman@google.com>,
rkrcmar@redhat.com, tglx@linutronix.de
Cc: john.stultz@linaro.org, sboyd@kernel.org,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [RFC 0/2] kvm: Use host timekeeping in guest.
Date: Fri, 20 Sep 2019 09:48:03 +0200 [thread overview]
Message-ID: <1ec0b238-61a7-8353-026e-3a2ee23e6240@redhat.com> (raw)
In-Reply-To: <20190920062713.78503-1-suleiman@google.com>
On 20/09/19 08:27, Suleiman Souhlal wrote:
> To do that, I am changing kvmclock to request to the host to copy
> its timekeeping parameters (mult, base, cycle_last, etc), so that
> the guest timekeeper can use the same values, so that time can
> be synchronized between the guest and the host.
>
> Any suggestions or feedback would be highly appreciated.
I'm not a timekeeping maintainer, but I don't think the
kernel/time/timekeeping.c changes are acceptable.
Is the PTP driver not enough?
Paolo
next prev parent reply other threads:[~2019-09-20 7:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-20 6:27 [RFC 0/2] kvm: Use host timekeeping in guest Suleiman Souhlal
2019-09-20 6:27 ` [RFC 1/2] kvm: Mechanism to copy host timekeeping parameters into guest Suleiman Souhlal
2019-09-20 6:27 ` [RFC 2/2] x86/kvmclock: Use host timekeeping Suleiman Souhlal
2019-09-20 13:33 ` Vitaly Kuznetsov
2019-09-24 8:10 ` Suleiman Souhlal
2019-09-24 11:14 ` Vitaly Kuznetsov
2019-09-20 7:48 ` Paolo Bonzini [this message]
2019-09-20 10:23 ` [RFC 0/2] kvm: Use host timekeeping in guest Thomas Gleixner
2019-09-24 8:08 ` Suleiman Souhlal
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