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authorZhao Liu <zhao1.liu@intel.com>2025-01-10 22:51:12 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2025-02-25 16:18:12 +0100
commit2152b4bfcd91d7d8b99cd502ed049b0ab8e38649 (patch)
treeeb37492ffa72d024a08fce63ad40d0e6fd8873c9
parentd556226d6965738e06a1d75faaf271b769bb5880 (diff)
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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>
-rw-r--r--target/i386/cpu.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 72ab147..8799e22 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();