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Re: [PATCH v4 31/47] x86/vmware: NOP-ify save/restore hooks when using VMware's sched_clock
- To: seanjc@xxxxxxxxxx
- From: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
- Date: Mon, 01 Jun 2026 23:09:20 +0100
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- Delivery-date: Mon, 01 Jun 2026 22:09:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Fri, 29 May 2026 08:07:52 -0700, Sean Christopherson wrote:
> NOP-ify the sched_clock save/restore hooks when using VMware's version of
> sched_clock. This will allow extending paravirt_set_sched_clock() to set
> the save/restore hooks, without having to simultaneously change the
> behavior of VMware guests.
>
> Note, it's not at all obvious that it's safe/correct for VMware guests to
> do nothing on suspend/resume, but that's a pre-existing problem. Leave it
> for a VMware expert to sort out.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
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