diff options
Diffstat (limited to 'results/classifier/016/KVM/55961334')
| -rw-r--r-- | results/classifier/016/KVM/55961334 | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/results/classifier/016/KVM/55961334 b/results/classifier/016/KVM/55961334 deleted file mode 100644 index ede09a18..00000000 --- a/results/classifier/016/KVM/55961334 +++ /dev/null @@ -1,66 +0,0 @@ -KVM: 0.924 -x86: 0.885 -debug: 0.797 -virtual: 0.715 -operating system: 0.649 -hypervisor: 0.394 -TCG: 0.049 -register: 0.039 -network: 0.028 -kernel: 0.021 -PID: 0.016 -performance: 0.016 -user-level: 0.014 -files: 0.011 -architecture: 0.009 -socket: 0.007 -ppc: 0.004 -assembly: 0.004 -semantic: 0.003 -alpha: 0.003 -device: 0.003 -VMM: 0.003 -risc-v: 0.002 -vnc: 0.002 -boot: 0.001 -permissions: 0.001 -peripherals: 0.001 -graphic: 0.000 -arm: 0.000 -mistranslation: 0.000 -i386: 0.000 - -[Bug] "-ht" flag ignored under KVM - guest still reports HT - -Hi Community, -We have observed that the 'ht' feature bit cannot be disabled when QEMU runs -with KVM acceleration. -qemu-system-x86_64 \ - --enable-kvm \ - -machine q35 \ - -cpu host,-ht \ - -smp 4 \ - -m 4G \ - -drive file=rootfs.img,format=raw \ - -nographic \ - -append 'console=ttyS0 root=/dev/sda rw' -Because '-ht' is specified, the guest should expose no HT capability -(cpuid.1.edx[28] = 0), and /proc/cpuinfo shouldn't show HT feature, but we still -saw ht in linux guest when run 'cat /proc/cpuinfo'. -XiaoYao mentioned that: - -It has been the behavior of QEMU since - - commit 400281af34e5ee6aa9f5496b53d8f82c6fef9319 - Author: Andre Przywara <andre.przywara@amd.com> - Date: Wed Aug 19 15:42:42 2009 +0200 - - set CPUID bits to present cores and threads topology - -that we cannot remove HT CPUID bit from guest via "-cpu xxx,-ht" if the -VM has >= 2 vcpus. -I'd like to know whether there's a plan to address this issue, or if the current -behaviour is considered acceptable. -Best regards, -Ewan. - |