From cd89134e243405da4fccb96fd3100c7d9d7e2886 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Mon, 7 Dec 2020 09:07:38 -0500 Subject: [PATCH] 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 Message-Id: <20201207140739.3829993-8-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/isa/lpc_ich9.c | 8 ++++++-- 1 file 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