35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
From 7d16145c4696772bb5438a43a482f68fbf046370 Mon Sep 17 00:00:00 2001
|
|
From: Stanislav Brabec <sbrabec@suse.cz>
|
|
Date: Mon, 18 Mar 2024 18:39:36 +0100
|
|
Subject: [PATCH] chcpu(8): document limitations of -g
|
|
|
|
Document that chcpu -g is not supported on IBM z/VM because the detach cpu
|
|
would CLEAR the running zVM guest memory.
|
|
|
|
References:
|
|
https://www.ibm.com/docs/en/linux-on-z?topic=mc-changing-state-1
|
|
https://www.ibm.com/docs/en/zvm/7.3?topic=commands-detach-cpu
|
|
|
|
Reported-by: Heikki Ylipiessa <heikki.ylipiessa@suse.com>
|
|
Signed-off-by: Stanislav Brabec <sbrabec@suse.cz>
|
|
---
|
|
sys-utils/chcpu.8.adoc | 2 ++
|
|
1 file changed, 2 insertions(+)
|
|
|
|
diff --git a/sys-utils/chcpu.8.adoc b/sys-utils/chcpu.8.adoc
|
|
index c5797dfb3..80dfc5f20 100644
|
|
--- a/sys-utils/chcpu.8.adoc
|
|
+++ b/sys-utils/chcpu.8.adoc
|
|
@@ -37,6 +37,8 @@ Enable the specified CPUs. Enabling a CPU means that the kernel sets it online.
|
|
|
|
*-g*, *--deconfigure* _cpu-list_::
|
|
Deconfigure the specified CPUs. Deconfiguring a CPU means that the hypervisor removes the CPU from the virtual hardware on which the Linux instance runs and returns it to the CPU pool. A CPU must be offline, see *-d*, before it can be deconfigured.
|
|
++
|
|
+*chcpu -g* is not supported on IBM z/VM, CPUs are always in a configured.
|
|
|
|
*-p*, *--dispatch* _mode_::
|
|
Set the CPU dispatching _mode_ (polarization). This option has an effect only if your hardware architecture and hypervisor support CPU polarization. Available _modes_ are:
|
|
--
|
|
2.45.0
|
|
|