This patch addresses an issue with the 'queued, but not yet applied' halt polling MSR patch. With this patch, halt polling is enabled 'by default'; this causes issues with hosts which don't support halt polling. The fix is to only enable halt polling if it is supported by the host.
Mark Kanda (1): Only enable the halt poll control MSR if it is supported by the host target/i386/cpu.c | 8 +++++++- target/i386/kvm.c | 2 -- target/i386/machine.c | 1 - 3 files changed, 7 insertions(+), 4 deletions(-) -- 2.21.0