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| author | Michal Privoznik <mprivozn@redhat.com> | 2023-05-15 13:55:31 +0200 |
|---|---|---|
| committer | Michal Privoznik <mprivozn@redhat.com> | 2023-05-16 17:42:58 +0200 |
| commit | 720e8f13ff71377580cd37b118cee8a1f982d1d8 (patch) | |
| tree | b8c5af95442040ae1d77facc47612a2b75fd27fb /docs/formatdomain.rst | |
| parent | 37e41b7f160f7ca05ec290ef9c1def5088c9cbaa (diff) | |
| download | libvirt-720e8f13ff71377580cd37b118cee8a1f982d1d8.tar.gz | |
conf: Introduce MTE domain feature
The Memory Tagging Extensions are hardware acceleration present
in some ARM processors that allow memory error detection [1].
Introduce a domain XML knob that turns them on or off.
1: https://www.arm.com/blogs/blueprint/memory-safety-arm-memory-tagging-extension
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Diffstat (limited to 'docs/formatdomain.rst')
| -rw-r--r-- | docs/formatdomain.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 99383e725c..1f52f58d37 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -2000,6 +2000,7 @@ Hypervisors may allow certain CPU / machine features to be toggled on/off. <tcg> <tb-cache unit='MiB'>128</tb-cache> </tcg> + <mte state='on'/> </features> ... @@ -2230,6 +2231,12 @@ are: tb-cache The size of translation block cache size an integer (a multiple of MiB) :since:`8.0.0` =========== ============================================== =================================================== ============== +``mte`` + Configure Memory Tagging Extensions for ARM guests. Possible values for the + ``state`` attribute are ``on`` and ``off``. If the attribute is not + defined, the hypervisor default will be used. :since:`Since 9.4.0` (QEMU/KVM + only) + Time keeping ------------ |