Re: [PATCH 1/1] Documentation: hyperv: Update information on guest CPU offlining

From: Naman Jain

Date: Mon Oct 19 2026 - 00:09:29 EST




On 10/17/2026 9:38 PM, Michael Kelley wrote:
In Hyper-V Overview documentation, remove the out-of-date reference
to explicitly reassigning VMBus channel interrupts before taking a
guest CPU offline. Instead, reference the VMBus documentation, which
is already up-to-date on this topic.

Signed-off-by: Michael Kelley <mhklinux@xxxxxxxxxxx>
---
Documentation/virt/hyperv/overview.rst | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/virt/hyperv/overview.rst b/Documentation/virt/hyperv/overview.rst
index 77408a89d1a4..63489f73a299 100644
--- a/Documentation/virt/hyperv/overview.rst
+++ b/Documentation/virt/hyperv/overview.rst
@@ -132,11 +132,11 @@ Starting in Windows Server 2022 Hyper-V, the ACPI tables reflect
only the CPUs actually present in the VM, so Linux does not report
any hot-add CPUs.
-A Linux guest CPU may be taken offline using the normal Linux
-mechanisms, provided no VMBus channel interrupts are assigned to
-the CPU. See the section on VMBus Interrupts for more details
-on how VMBus channel interrupts can be re-assigned to permit
-taking a CPU offline.
+A Linux guest CPU may be taken offline, and subsequently brought
+back online, using the normal Linux mechanisms. See the "VMBus
+Interrupts" section of Documentation/virt/hyperv/vmbus.rst
+documentation for how VMBus channel interrupts are automatically
+re-assigned if necessary when taking a CPU offline.
32-bit and 64-bit
-----------------

LGTM.

Reviewed-by: Naman Jain <namjain@xxxxxxxxxxxxxxxxxxx>

Regards,
Naman