------- Comment From [email protected] 2018-05-04 10:18 EDT------- Tested and found fixed.
Power9: Host: 4.15.0-15-generic #16-Ubuntu qemu: 1:2.11+dfsg-1ubuntu6 libvirt: 4.0.0-1ubuntu7 kvm -M ? 2>&1|grep sxxm pseries-2.12-sxxm pSeries Logical Partition (PAPR compliant) pseries-bionic-sxxm pSeries Logical Partition (PAPR compliant) Guest: 4.15.0-15-generic #16-Ubuntu with: pseries-bionic-sxxm # make tests ========= Machine details from dmesg: dmesg | grep -e 'pSeries machine' -e 'OPAL detected' -e rfi-fixups -e rfi-flush [ 0.000000] Using pSeries machine description [ 0.000000] rfi-flush: Using ori type flush [ 0.000000] rfi-flush: Using mttrig type flush [ 0.000000] rfi-flush: patched 9 locations ========= Running tests... Testing mitigation for spectre (ii. indirect branch prediction)... PASS (20000066 branches, 10000008 branch misses) Testing mitigation for meltdown (l1d flush - syscall)... PASS (196008075 misses, 192000000 expected) [10/10 pass] Testing mitigation for meltdown (l1d flush - userspace)... SKIP (!power8) with: pseries-bionic make tests ========= Machine details from dmesg: dmesg | grep -e 'pSeries machine' -e 'OPAL detected' -e rfi-fixups -e rfi-flush [ 0.000000] Using pSeries machine description [ 0.000000] rfi-flush: Using fallback displacement flush [ 0.000000] rfi-flush: patched 9 locations ========= Running tests... Testing mitigation for spectre (ii. indirect branch prediction)... PASS (20000058 branches, 10000007 branch misses) Testing mitigation for meltdown (l1d flush - syscall)... PASS (197506169 misses, 192000000 expected) [10/10 pass] Testing mitigation for meltdown (l1d flush - userspace)... SKIP (!power8) ------------ Power8: # make tests ========= Machine details from dmesg: dmesg | grep -e 'pSeries machine' -e 'OPAL detected' -e rfi-fixups -e rfi-flush [ 0.000000] Using pSeries machine description [ 0.000000] rfi-flush: fallback displacement flush available [ 0.000000] rfi-flush: patched 9 locations (no flush) ========= Running tests... Testing mitigation for spectre (ii. indirect branch prediction)... PASS (20000100 branches, 10000007 branch misses) Testing mitigation for meltdown (l1d flush - syscall)... FAIL (95128 misses, 192000000 expected) [10/10 failures] Testing mitigation for meltdown (l1d flush - userspace)... PASS (193524721 misses, 192000000 expected) [10/10 pass] root@ubuntu:~/side-channel-tests/staging# dmesg|grep rfi [ 0.000000] rfi-flush: fallback displacement flush available [ 0.000000] rfi-flush: patched 9 locations (no flush) root@ubuntu:~/side-channel-tests/staging# uname -a Linux ubuntu 4.15.0-17-generic #18-Ubuntu SMP Mon Apr 16 21:16:36 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux ** Tags removed: targetmilestone-inin--- ** Tags added: targetmilestone-inin1804 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761372 Title: [18.04] backport needed for spectre/meltdown mitigation machine type qemu patches (kvm) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1761372/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
