On 2021/4/17 17:10, Marc Zyngier wrote:
On Sat, 17 Apr 2021 09:59:39 +0100,
Zenghui Yu wrote:
On 2021/3/30 22:54, Marc Zyngier wrote:
+PTP_KVM support for arm/arm64
+=
+
+PTP_KVM is used for high precision time sync between host and guests.
+It relies on transferri
On Sat, 17 Apr 2021 09:59:39 +0100,
Zenghui Yu wrote:
>
> On 2021/3/30 22:54, Marc Zyngier wrote:
> > +PTP_KVM support for arm/arm64
> > +=
> > +
> > +PTP_KVM is used for high precision time sync between host and guests.
> > +It relies on transferring the wall clock an
On 2021/3/30 22:54, Marc Zyngier wrote:
+PTP_KVM support for arm/arm64
+=
+
+PTP_KVM is used for high precision time sync between host and guests.
+It relies on transferring the wall clock and counter value from the
+host to the guest using a KVM-specific hypercall.
+
From: Jianyong Wu
Implement the hypervisor side of the KVM PTP interface.
The service offers wall time and cycle count from host to guest.
The caller must specify whether they want the host's view of
either the virtual or physical counter.
Signed-off-by: Jianyong Wu
Signed-off-by: Marc Zyngier
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