[qemu-xen stable-4.18] hw/smbios: Fix thread count in type4

[patchbot@xxxxxxx]

commit ce2e3879a4a55317febdc42a0bc22b4a89e80824
Author:     Zhao Liu <zhao1.liu@xxxxxxxxx>
AuthorDate: Wed Jun 28 21:54:36 2023 +0800
Commit:     Michael Tokarev <mjt@xxxxxxxxxx>
CommitDate: Sun Sep 10 19:39:41 2023 +0300

    hw/smbios: Fix thread count in type4
    
    >From SMBIOS 3.0 specification, thread count field means:
    
    Thread Count is the total number of threads detected by the BIOS for
    this processor socket. It is a processor-wide count, not a
    thread-per-core count. [1]
    
    So here we should use threads per socket other than threads per core.
    
    [1] SMBIOS 3.0.0, section 7.5.8, Processor Information - Thread Count
    
    Fixes: c97294ec1b9e ("SMBIOS: Build aggregate smbios tables and entry 
point")
    Signed-off-by: Zhao Liu <zhao1.liu@xxxxxxxxx>
    Message-Id: <20230628135437.1145805-4-zhao1.liu@xxxxxxxxxxxxxxx>
    Reviewed-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    (cherry picked from commit 7298fd7de5551c4501f54381228458e3c21cab4b)
    Signed-off-by: Michael Tokarev <mjt@xxxxxxxxxx>
---
 hw/smbios/smbios.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index d67415d44d..3aae9328c0 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -713,6 +713,7 @@ static void smbios_build_type_4_table(MachineState *ms, 
unsigned instance)
 {
     char sock_str[128];
     size_t tbl_len = SMBIOS_TYPE_4_LEN_V28;
+    unsigned threads_per_socket;
 
     if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
         tbl_len = SMBIOS_TYPE_4_LEN_V30;
@@ -747,17 +748,19 @@ static void smbios_build_type_4_table(MachineState *ms, 
unsigned instance)
     SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
     SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
 
+    threads_per_socket = machine_topo_get_threads_per_socket(ms);
+
     t->core_count = (ms->smp.cores > 255) ? 0xFF : ms->smp.cores;
     t->core_enabled = t->core_count;
 
-    t->thread_count = (ms->smp.threads > 255) ? 0xFF : ms->smp.threads;
+    t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
 
     t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
     t->processor_family2 = cpu_to_le16(0x01); /* Other */
 
     if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
         t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
-        t->thread_count2 = cpu_to_le16(ms->smp.threads);
+        t->thread_count2 = cpu_to_le16(threads_per_socket);
     }
 
     SMBIOS_BUILD_TABLE_POST;
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#stable-4.18