Re: [PATCH v10 09/19] KVM: xen: separate initialization of shared_info cache and content

From: Paul Durrant
Date: Thu Dec 14 2023 - 09:00:41 EST


On 14/12/2023 13:41, David Woodhouse wrote:
On Mon, 2023-12-04 at 14:43 +0000, Paul Durrant wrote:
From: Paul Durrant <pdurrant@xxxxxxxxxx>

A subsequent patch will allow shared_info to be initialized using either a
GPA or a user-space (i.e. VMM) HVA. To make that patch cleaner, separate
the initialization of the shared_info content from the activation of the
pfncache.

Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>


Spot the difference...
-               /*
-                * This code mirrors kvm_write_wall_clock() except that it writes
-                * directly through the pfn cache and doesn't mark the page dirty.
-                */
-               wall_nsec = kvm_get_wall_clock_epoch(kvm);


+       /*
+        * This code mirrors kvm_write_wall_clock() except that it writes
+        * directly through the pfn cache and doesn't mark the page dirty.
+        */
+       wall_nsec = ktime_get_real_ns() - get_kvmclock_ns(kvm);

(Hint: it's commit 5d6d6a7d7e66a)

Ack.


With that fixed,

Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>


Thanks.