i386/cpu: Support module level cache topology

Allow cache to be defined at the module level. This increases
flexibility for x86 users to customize their cache topology.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20250110145115.1574345-3-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 72ab147e851aa55a619141dc1b03ba13052f3ed6..8799e22ed45575e2ef2e3b49b7d1283c6d9c6c2a 100644 (file)
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -247,6 +247,9 @@ static uint32_t max_thread_ids_for_cache(X86CPUTopoInfo *topo_info,
     case CPU_TOPOLOGY_LEVEL_CORE:
         num_ids = 1 << apicid_core_offset(topo_info);
         break;
+    case CPU_TOPOLOGY_LEVEL_MODULE:
+        num_ids = 1 << apicid_module_offset(topo_info);
+        break;
     case CPU_TOPOLOGY_LEVEL_DIE:
         num_ids = 1 << apicid_die_offset(topo_info);
         break;
@@ -255,7 +258,7 @@ static uint32_t max_thread_ids_for_cache(X86CPUTopoInfo *topo_info,
         break;
     default:
         /*
-         * Currently there is no use case for THREAD and MODULE, so use
+         * Currently there is no use case for THREAD, so use
          * assert directly to facilitate debugging.
          */
         g_assert_not_reached();