** Attachment removed: "artful patches"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1765040/+attachment/5120956/+files/cpuid.tar.gz
** Attachment added: "artful patches"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1765040/+attachment/5124602/+files/cpuid.tar.gz
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1765040
Title:
Runtime microcode updates do not expos
Public bug reported:
Unlike upstream, the artful kernel uses the scattered CPU bits
arch/x86/kernel/cpu/scattered.c to get the IBRS/IBPB CPUID bits in the
KVM CPUID ioctls(). However, these are not updated when loading new
microcode at run-time. This means that if you boot a system with older
mi
