[pve-devel] [PATCH manager 2/3] Add hv-tlbflush and hv-evmcs as optional flags
Stefan Reiter
s.reiter at proxmox.com
Tue Jul 23 13:41:29 CEST 2019
since they have both been removed as automatic hyper-v flags.
hv-evmcs description intentionally does not contain a mention of Windows, since
it works for Linux guests as well.
Signed-off-by: Stefan Reiter <s.reiter at proxmox.com>
---
www/manager6/form/VMCPUFlagSelector.js | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/www/manager6/form/VMCPUFlagSelector.js b/www/manager6/form/VMCPUFlagSelector.js
index 92bb3198..2612be11 100644
--- a/www/manager6/form/VMCPUFlagSelector.js
+++ b/www/manager6/form/VMCPUFlagSelector.js
@@ -30,7 +30,9 @@ Ext.define('PVE.form.VMCPUFlagSelector', {
{ flag: 'virt-ssbd', desc: 'Basis for "Speculative Store Bypass" protection for AMD models' },
{ flag: 'amd-ssbd', desc: 'Improves Spectre mitigation performance with AMD CPUs, best used with "virt-ssbd"' },
{ flag: 'amd-no-ssb', desc: 'Notifies guest OS that host is not vulnerable for Spectre on AMD CPUs' },
- { flag: 'pdpe1gb', desc: 'Allow guest OS to use 1GB size pages, if host HW supports it' }
+ { flag: 'pdpe1gb', desc: 'Allow guest OS to use 1GB size pages, if host HW supports it' },
+ { flag: 'hv-tlbflush', desc: 'Improve performance in overcommitted Windows guests. May lead to guest bluescreens on old CPUs.' },
+ { flag: 'hv-evmcs', desc: 'Improve performance for nested virtualization. Only supported on Intel CPUs.' }
],
listeners: {
update: function() {
--
2.20.1
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