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From 6d3c6d947de6e5721d8a011789909f55ffef833f Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Tue, 20 Aug 2013 15:09:50 +0200
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Subject: [PATCH 22/28] pc: Remove PCLMULQDQ from Westmere on rhel6.x machine-types
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RH-Author: Eduardo Habkost <ehabkost@redhat.com>
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Message-id: <1377011392-9336-6-git-send-email-ehabkost@redhat.com>
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Patchwork-id: 53612
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O-Subject: [RHEL7 PATCH 5/7] pc: Remove PCLMULQDQ from Westmere on rhel6.x machine-types
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Bugzilla: 918907
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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RH-Acked-by: Bandan Das <bsd@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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Bugzilla: 918907
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Upstream status: commit 56383703c060777fd01aaf8d63d5f46d660e9fb9
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commit 41cb383f42d0cb51d8e3e25e3ecebc954dd4196f made a guest-visible
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change by adding the PCLMULQDQ bit to Westmere without adding
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compatibility code to keep the ABI for older machine-types.
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Add the corresponding compat code to the rhel6.x machine-types (like it
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was done on upstream commit 56383703c060777fd01aaf8d63d5f46d660e9fb9 for
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pc-1.4).
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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---
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hw/i386/pc_piix.c | 1 +
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1 file changed, 1 insertion(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/i386/pc_piix.c | 1 +
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1 files changed, 1 insertions(+), 0 deletions(-)
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diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
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index d5dc04d..846e2ce 100644
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--- a/hw/i386/pc_piix.c
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+++ b/hw/i386/pc_piix.c
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@@ -868,6 +868,7 @@ static void pc_init_rhel650(QEMUMachineInitArgs *args)
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x86_cpu_compat_set_features("Penryn", FEAT_1_ECX, CPUID_EXT_X2APIC, 0);
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x86_cpu_compat_set_features("Nehalem", FEAT_1_ECX, CPUID_EXT_X2APIC, 0);
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x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, CPUID_EXT_X2APIC, 0);
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+ x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
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x86_cpu_compat_set_features("Westmere", FEAT_8000_0001_EDX,
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CPUID_EXT2_FXSR | CPUID_EXT2_MMX | CPUID_EXT2_PAT |
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CPUID_EXT2_CMOV | CPUID_EXT2_PGE | CPUID_EXT2_APIC |
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--
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1.7.1
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