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[Qemu-devel] cpu.fail / MDS fixes


From: Stefan Priebe - Profihost AG
Subject: [Qemu-devel] cpu.fail / MDS fixes
Date: Wed, 15 May 2019 19:13:56 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

Hello list,

i've updated my host to kernel 4.19.43 and applied the following patch
to my qemu 2.12.1:
https://bugzilla.suse.com/attachment.cgi?id=798722

But my guest running 4.19.43 still says:
Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state
unknown

while the host says:
Vulnerable: Clear CPU buffers attempted, SMT Host state unknown

I expected the guest can use the new microcode.

Greets,
Stefan



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