From 38d9227f792d4216667551eb87d6f42bdbc8632d Mon Sep 17 00:00:00 2001 From: "David B. Kinder" Date: Tue, 7 Dec 2021 12:38:51 -0800 Subject: [PATCH] doc: update release notes with cpu_affinity notice The acrn-dm ``--cpu_affinity`` parameter is now mandatory. Signed-off-by: David B. Kinder --- doc/release_notes/release_notes_2.7.rst | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/doc/release_notes/release_notes_2.7.rst b/doc/release_notes/release_notes_2.7.rst index 8cdcb2fc2..7261bc2c4 100644 --- a/doc/release_notes/release_notes_2.7.rst +++ b/doc/release_notes/release_notes_2.7.rst @@ -92,7 +92,7 @@ User-Friendly VM names Extend Use of CAT Cache Tuning to VMs In previous releases, Cache Allocation Technology (vCAT) was available only at the hypervisor level and with per-VM granularity. In this v2.7 release, - each VM with exclusive cache resources can partition its cache resources with + each VM with exclusive cache resources can partition them with per-thread granularity and allocate cache resources to prioritized tasks. Expand Passthrough Device Use Cases to Pre-Launched VMs @@ -100,7 +100,7 @@ Expand Passthrough Device Use Cases to Pre-Launched VMs graphics device passthrough for improved performance, a feature previously available to only post-launched VMs. - We've extended Trusted Platform Module (TPM) 2.0 and its associated resource + Trusted Platform Module (TPM) 2.0 and its associated resource can also be passthrough to post-launched VMs. Upgrading to v2.7 From Previous Releases @@ -138,6 +138,13 @@ The following elements were removed. - ``KATA_VM`` VM type. - ``hv.CAPACITIES.MAX_EFI_MMAP_ENTRIES`` +In v2.7, the ``acrn-dm`` command line parameter ``--cpu_affinity`` is now mandatory +when launching a User VM. If the launch XML settings, used to generate the launch +scripts, do not specify a ``cpu_affinity`` value, the ACRN Configurator will look for +it from the scenario XML settings. Verify that your existing launch scripts +specify this ``--cpu_affinity`` parameter as ``acrn-dm`` will now complain if it's +missing. + Document Updates ****************