diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2018-06-22 22:22:05 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-06-29 13:02:47 +0200 |
| commit | 2266d44311321a833d569cd4deb46cca6021d0e7 (patch) | |
| tree | 954cac47b13360c4ebafbc3f7cb2c4c2c31f9672 /accel | |
| parent | 6f131f13e68d648a8e4f083c667ab1acd88ce4cd (diff) | |
i386/cpu: make -cpu host support monitor/mwait
When guest CPU PM is enabled, and with -cpu host, expose the host CPU
MWAIT leaf in the CPUID so guest can make good PM decisions.
Note: the result is 100% CPU utilization reported by host as host
no longer knows that the CPU is halted.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180622192148.178309-3-mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/tcg/user-exec-stub.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/accel/tcg/user-exec-stub.c b/accel/tcg/user-exec-stub.c index dbcf1ade9c..a32b4496af 100644 --- a/accel/tcg/user-exec-stub.c +++ b/accel/tcg/user-exec-stub.c @@ -2,6 +2,9 @@ #include "qemu-common.h" #include "qom/cpu.h" #include "sysemu/replay.h" +#include "sysemu/sysemu.h" + +bool enable_cpu_pm = false; void cpu_resume(CPUState *cpu) { |