| From cdafcc1d68110ed172c09c9e6bba42ee15b5a6df Mon Sep 17 00:00:00 2001 |
| From: "plai@redhat.com" <plai@redhat.com> |
| Date: Fri, 15 May 2020 18:02:40 +0100 |
| Subject: [PATCH 13/17] i386: Add MSR feature bit for MDS-NO |
| |
| RH-Author: plai@redhat.com |
| Message-id: <20200515180243.17488-2-plai@redhat.com> |
| Patchwork-id: 96609 |
| O-Subject: [RHEL8.2.1 AV qemu-kvm PATCH 1/4] i386: Add MSR feature bit for MDS-NO |
| Bugzilla: 1769912 |
| RH-Acked-by: Igor Mammedov <imammedo@redhat.com> |
| RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com> |
| RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> |
| |
| From: Cathy Zhang <cathy.zhang@intel.com> |
| |
| Define MSR_ARCH_CAP_MDS_NO in the IA32_ARCH_CAPABILITIES MSR to allow |
| CPU models to report the feature when host supports it. |
| |
| Signed-off-by: Cathy Zhang <cathy.zhang@intel.com> |
| Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> |
| Reviewed-by: Tao Xu <tao3.xu@intel.com> |
| Message-Id: <1571729728-23284-2-git-send-email-cathy.zhang@intel.com> |
| Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> |
| (cherry picked from commit 77b168d221191156c47fcd8d1c47329dfdb9439e) |
| Signed-off-by: Paul Lai <plai@redhat.com> |
| Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com> |
| |
| target/i386/cpu.h | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/target/i386/cpu.h b/target/i386/cpu.h |
| index 4441061..60304cc 100644 |
| |
| |
| @@ -839,6 +839,7 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS]; |
| #define MSR_ARCH_CAP_RSBA (1U << 2) |
| #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3) |
| #define MSR_ARCH_CAP_SSB_NO (1U << 4) |
| +#define MSR_ARCH_CAP_MDS_NO (1U << 5) |
| |
| #define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5) |
| |
| -- |
| 1.8.3.1 |
| |