Bug 1838608 - aarch64: Enable ARMv8 RAS virtualization support
Summary: aarch64: Enable ARMv8 RAS virtualization support
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: qemu-kvm
Version: 9.0
Hardware: aarch64
OS: Unspecified
medium
medium
Target Milestone: beta
: 9.0 Beta
Assignee: Eric Auger
QA Contact: Qunfang Zhang
URL:
Whiteboard:
Depends On:
Blocks: 1980335 1924294
TreeView+ depends on / blocked
 
Reported: 2020-05-21 12:29 UTC by Andrew Jones
Modified: 2021-12-07 21:26 UTC (History)
6 users (show)

Fixed In Version: qemu-kvm-6.0.0-11.el9
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2021-12-07 21:24:13 UTC
Type: Feature Request
Target Upstream Version:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Gitlab redhat/centos-stream/src qemu-kvm merge_requests 19 0 None None None 2021-07-08 12:00:59 UTC

Description Andrew Jones 2020-05-21 12:29:52 UTC 
QEMU will get ARMv8 RAS support[*] when it rebases for 8.3. We should test it and considering keeping it enabled / enabling it. Most likely we have all the support in KVM already, but if not we'll need to clone this BZ to the kernel and bring in patches there as well.

[*] http://patchwork.ozlabs.org/project/qemu-devel/cover/20191026032447.20088-1-zhengxiang9@huawei.com/
Comment 1 Andrew Jones 2020-05-21 12:31:43 UTC 
Alternatively, if we don't want this for 8.3, then we should ensure it's disabled.
Comment 3 Eric Auger 2021-04-26 14:03:13 UTC 
Moving this new feature support to RHEL9
Comment 4 Eric Auger 2021-06-09 15:00:15 UTC 
[PATCH v27 00/10] Add ARMv8 RAS virtualization support in QEMU
was pulled on May 2020, ie. v5.0.0

We have it downstream. However we need to restore the "ras" machine option which is currently hidden by downstream only patches.
Comment 7 Qunfang Zhang 2021-08-10 01:17:36 UTC 
Hi Eric,

Could you help verify this bug? Or could you give some test instruction to QE about how to verify?  Thanks!

Qunfang
Comment 10 Qunfang Zhang 2021-08-16 00:58:02 UTC 
Thanks Eric! Setting to VERIFIED.
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