It seems it's solved. The RC7:
Code: Select all
┌──(mintppc㉿mintppc)-[~]
└─$ lscpu
Architecture: ppc64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Big Endian
CPU(s): 2
On-line CPU(s) list: 0,1
Thread(s) per core: 1
Core(s) per socket: 2
Socket(s): 1
Model: 1.2 (pvr 0090 0102)
Model name: PA6T, altivec supported
L1d cache: 128 KiB
L1i cache: 128 KiB
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Vulnerable
Vulnerability Mds: Not affected
Vulnerability Meltdown: Vulnerable
Vulnerability Mmio stale data: Not affected
Vulnerability Retbleed: Not affected
Vulnerability Spec store bypass: Vulnerable
Vulnerability Spectre v1: Mitigation; __user pointer sanitization
Vulnerability Spectre v2: Vulnerable
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
But a Linux PPC QEMU VM with KVM-PR enabled doesn't start anymore:
Command:
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┌──(mintppc㉿mintppc)-[~]
└─$ qemu-system-ppc -M mac99 -enable-kvm -m 2047 -boot c -hda Lubuntu_14.04_PowerPC_QEMU.img -g 1280x1024x32 -kernel vmlinux -initrd initrd -append "ro root=/dev/sda3" -device usb-mouse -nic user,model=e1000