[SeaBIOS] [QEMU RFC PATCH 7/7] generate APIC IDs according to CPU topology
Eduardo Habkost
ehabkost at redhat.com
Tue Jul 10 22:22:22 CEST 2012
NOTE: this is unfinished, and will break live-migration between older
and newer QEMU versions if applied as-is. We need to make the older
machine-types keep the existing behavior when generating APIC IDs.
Signed-off-by: Eduardo Habkost <ehabkost at redhat.com>
---
target-i386/cpu.h | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index e983c10..860aeaa 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -21,6 +21,8 @@
#include "config.h"
#include "qemu-common.h"
+#include "topology.h"
+#include "cpus.h"
#ifdef TARGET_X86_64
#define TARGET_LONG_BITS 64
@@ -918,10 +920,7 @@ void host_cpuid(uint32_t function, uint32_t count,
*/
static inline uint8_t apic_id_for_cpu(int cpu_index)
{
- /* right now APIC ID == CPU index. this will eventually change to use
- * the CPU topology configuration properly
- */
- return cpu_index;
+ return topo_make_apicid(smp_cores, smp_threads, cpu_index);
}
--
1.7.10.4
More information about the SeaBIOS
mailing list