From: Eduardo Habkost <ehabk...@redhat.com>
Commit 41cb383f42d0cb51d8e3e25e3ecebc954dd4196f made a guest-visible
change by adding the PCLMULQDQ bit to Westmere without adding
compatibility code to keep the ABI for older machine-types.
Fix it by adding the missing compat code.
Signed-off-by: Eduardo Habkost <ehabk...@redhat.com>
Signed-off-by: Andreas Färber <afaer...@suse.de>
(cherry picked from commit 56383703c060777fd01aaf8d63d5f46d660e9fb9)
Signed-off-by: Andreas Färber <afaer...@suse.de>
---
hw/i386/pc_piix.c | 1 +
hw/i386/pc_q35.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 06416ce..aa03436 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -250,6 +250,7 @@ static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
{
has_pvpanic = false;
x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
+ x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0,
CPUID_EXT_PCLMULQDQ);
pc_init_pci(args);
}
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 7888dfe..1cceeb0 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -212,6 +212,7 @@ static void pc_q35_init_1_4(QEMUMachineInitArgs *args)
{
has_pvpanic = false;
x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
+ x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0,
CPUID_EXT_PCLMULQDQ);
pc_q35_init(args);
}
--
1.8.1.4
