[Qemu-devel] [PULL 4/4] Pass through cache information for TOPOEXT CPUs

Eduardo Habkost posted 4 patches 6 years, 9 months ago
Maintainers: Richard Henderson <rth@twiddle.net>, "Michael S. Tsirkin" <mst@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
[Qemu-devel] [PULL 4/4] Pass through cache information for TOPOEXT CPUs
Posted by Eduardo Habkost 6 years, 9 months ago
From: Stanislav Lanci <pixo@polepetko.eu>

Signed-off-by: Stanislav Lanci <pixo@polepetko.eu>
Message-Id: <20190416123833.60649-1-pixo@polepetko.eu>
[ehabkost: removed redundant comment line]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 target/i386/cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index d92b0f6fcc..722c5514d4 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -4591,6 +4591,10 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
         break;
     case 0x8000001D:
         *eax = 0;
+        if (cpu->cache_info_passthrough) {
+            host_cpuid(index, count, eax, ebx, ecx, edx);
+            break;
+        }
         switch (count) {
         case 0: /* L1 dcache info */
             encode_cache_cpuid8000001d(env->cache_info_amd.l1d_cache, cs,
-- 
2.18.0.rc1.1.g3f1ff2140