diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2020-12-07 09:07:38 -0500 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-12-09 13:04:17 -0500 |
| commit | cd89134e243405da4fccb96fd3100c7d9d7e2886 (patch) | |
| tree | ed4e3b02f63385fd1f65897218e425533c313739 /hw/isa | |
| parent | e2487e4028d76276eb63a450e27a059793a5ebf4 (diff) | |
x86: ich9: factor out "guest_cpu_hotplug_features"
it will be reused by next patch to check validity of unplug
feature.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201207140739.3829993-8-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/isa')
| -rw-r--r-- | hw/isa/lpc_ich9.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index 087a18d04d..da80430144 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -366,6 +366,7 @@ static void smi_features_ok_callback(void *opaque) { ICH9LPCState *lpc = opaque; uint64_t guest_features; + uint64_t guest_cpu_hotplug_features; if (lpc->smi_features_ok) { /* negotiation already complete, features locked */ @@ -378,9 +379,12 @@ static void smi_features_ok_callback(void *opaque) /* guest requests invalid features, leave @features_ok at zero */ return; } + + guest_cpu_hotplug_features = guest_features & + (BIT_ULL(ICH9_LPC_SMI_F_CPU_HOTPLUG_BIT) | + BIT_ULL(ICH9_LPC_SMI_F_CPU_HOT_UNPLUG_BIT)); if (!(guest_features & BIT_ULL(ICH9_LPC_SMI_F_BROADCAST_BIT)) && - guest_features & (BIT_ULL(ICH9_LPC_SMI_F_CPU_HOTPLUG_BIT) | - BIT_ULL(ICH9_LPC_SMI_F_CPU_HOT_UNPLUG_BIT))) { + guest_cpu_hotplug_features) { /* * cpu hot-[un]plug with SMI requires SMI broadcast, * leave @features_ok at zero |