diff mbox series

[v7,2/5] i386/cpu: Support module level cache topology

Message ID 20250108150150.1258529-3-zhao1.liu@intel.com (mailing list archive)
State New
Headers show
Series i386: Support SMP Cache Topology | expand

Commit Message

Zhao Liu Jan. 8, 2025, 3:01 p.m. UTC 
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>
---
Changes since Patch v6:
 * Dropped "thread" level cache topology support.
---
 target/i386/cpu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 660ddafc28b5..4728373fdf03 100644
--- 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();