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Bug 1804579 - Backport: Passthrough host CPU microcode version to KVM guest if using CPU passthrough to RHEL 7.7/7.8 [rhel-7.7.z]
Summary: Backport: Passthrough host CPU microcode version to KVM guest if using CPU pa...
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: qemu-kvm-rhev
Version: 7.7
Hardware: x86_64
OS: Unspecified
high
high
Target Milestone: rc
: ---
Assignee: Maxim Levitsky
QA Contact: liunana
URL:
Whiteboard:
Depends On: 1791653
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-02-19 08:18 UTC by RAD team bot copy to z-stream
Modified: 2022-05-06 10:18 UTC (History)
15 users (show)

Fixed In Version: qemu-kvm-rhev-2.12.0-33.el7_7.11
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1791653
Environment:
Last Closed: 2022-05-06 10:18:33 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description RAD team bot copy to z-stream 2020-02-19 08:18:04 UTC 
This bug has been copied from bug #1791653 and has been proposed to be backported to 7.7 z-stream (EUS).
Comment 4 Yumei Huang 2020-04-22 02:43:18 UTC 
Verify:
kernel: 3.10.0-1062.22.1.el7.x86_64 (both host and guest)
qemu-kvm-rhev-2.12.0-33.el7_7.11
microcode_ctl-2.1-53.7.el7_7.x86_64

Boot guest with '-cpu host', check if microcode version is same between guest and host.  

On host, 

# grep micro /proc/cpuinfo | uniq
microcode	: 0x500002c


Inside guest, 

# grep micro /proc/cpuinfo | uniq
microcode	: 0x500002c


The microcode version is same, so the bug is fixed.
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