[PATCH 15/24] qemu_command: Use canonical names of CPU features

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



When building QEMU command line, we should use the preferred spelling of
each CPU feature without relying on compatibility aliases (which may be
removed at some point).

The "unavailable-features" CPU property is used as a witness for the
correct names of the features in our translation table.

Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
---
 src/qemu/qemu_capabilities.c                              | 8 +++++++-
 src/qemu/qemu_capabilities.h                              | 1 +
 src/qemu/qemu_command.c                                   | 2 ++
 tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml          | 1 +
 tests/qemuxml2argvdata/cpu-translation.x86_64-latest.args | 6 +++---
 tests/qemuxml2argvdata/eoi-disabled.x86_64-latest.args    | 2 +-
 tests/qemuxml2argvdata/eoi-enabled.x86_64-latest.args     | 2 +-
 .../kvmclock+eoi-disabled.x86_64-latest.args              | 2 +-
 .../pv-spinlock-disabled.x86_64-latest.args               | 2 +-
 .../pv-spinlock-enabled.x86_64-latest.args                | 2 +-
 10 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 3af6923e6f..c742838383 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -532,6 +532,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "nbd-bitmap",
               "x86-max-cpu",
               "cpu-unavailable-features",
+              "canonical-cpu-features",
     );
 
 
@@ -2892,7 +2893,9 @@ virQEMUCapsCPUFeatureTranslate(virQEMUCapsPtr qemuCaps,
     if (ARCH_IS_X86(qemuCaps->arch))
         table = virQEMUCapsCPUFeaturesX86;
 
-    if (!table || !feature)
+    if (!table ||
+        !feature ||
+        !virQEMUCapsGet(qemuCaps, QEMU_CAPS_CANONICAL_CPU_FEATURES))
         return feature;
 
     for (entry = table; entry->libvirt; entry++) {
@@ -4398,6 +4401,9 @@ virQEMUCapsInitProcessCaps(virQEMUCapsPtr qemuCaps)
      * we are able to pass the custom 'device_id' for SCSI disks and cdroms. */
     if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_DEVICE_ID))
         virQEMUCapsClear(qemuCaps, QEMU_CAPS_BLOCKDEV);
+
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CPU_UNAVAILABLE_FEATURES))
+        virQEMUCapsSet(qemuCaps, QEMU_CAPS_CANONICAL_CPU_FEATURES);
 }
 
 
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index e1727a1a1c..29f13ae977 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -514,6 +514,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_NBD_BITMAP, /* nbd-server-add supports bitmap */
     QEMU_CAPS_X86_MAX_CPU,/* max-x86_64-cpu type exists */
     QEMU_CAPS_CPU_UNAVAILABLE_FEATURES, /* "unavailable-features" CPU property */
+    QEMU_CAPS_CANONICAL_CPU_FEATURES, /* avoid CPU feature aliases */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 08da30d10c..15f2990189 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7045,6 +7045,8 @@ qemuBuildCpuFeature(virQEMUCapsPtr qemuCaps,
                     const char *name,
                     bool state)
 {
+    name = virQEMUCapsCPUFeatureToQEMU(qemuCaps, name);
+
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION))
         virBufferAsprintf(buf, ",%s=%s", name, state ? "on" : "off");
     else
diff --git a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
index 24be3a546e..4cc91e677e 100644
--- a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
@@ -206,6 +206,7 @@
   <flag name='nbd-bitmap'/>
   <flag name='x86-max-cpu'/>
   <flag name='cpu-unavailable-features'/>
+  <flag name='canonical-cpu-features'/>
   <version>4000050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100759</microcodeVersion>
diff --git a/tests/qemuxml2argvdata/cpu-translation.x86_64-latest.args b/tests/qemuxml2argvdata/cpu-translation.x86_64-latest.args
index 7a1546fb36..9322b826f4 100644
--- a/tests/qemuxml2argvdata/cpu-translation.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/cpu-translation.x86_64-latest.args
@@ -13,9 +13,9 @@ QEMU_AUDIO_DRV=none \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -machine pc,accel=tcg,usb=off,dump-guest-core=off \
--cpu Haswell,pclmuldq=on,ds_cpl=on,tsc_adjust=on,fxsr_opt=on,lahf_lm=on,\
-cmp_legacy=on,nodeid_msr=on,perfctr_core=on,perfctr_nb=on,kvm_pv_eoi=on,\
-kvm_pv_unhalt=on \
+-cpu Haswell,pclmulqdq=on,ds-cpl=on,tsc-adjust=on,fxsr-opt=on,lahf-lm=on,\
+cmp-legacy=on,nodeid-msr=on,perfctr-core=on,perfctr-nb=on,kvm-pv-eoi=on,\
+kvm-pv-unhalt=on \
 -m 214 \
 -overcommit mem-lock=off \
 -smp 1,sockets=1,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/eoi-disabled.x86_64-latest.args b/tests/qemuxml2argvdata/eoi-disabled.x86_64-latest.args
index caae868abf..f811931759 100644
--- a/tests/qemuxml2argvdata/eoi-disabled.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/eoi-disabled.x86_64-latest.args
@@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -machine pc,accel=tcg,usb=off,dump-guest-core=off \
--cpu qemu32,kvm_pv_eoi=off \
+-cpu qemu32,kvm-pv-eoi=off \
 -m 214 \
 -overcommit mem-lock=off \
 -smp 6,sockets=6,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/eoi-enabled.x86_64-latest.args b/tests/qemuxml2argvdata/eoi-enabled.x86_64-latest.args
index abafafa411..25c03ae4d2 100644
--- a/tests/qemuxml2argvdata/eoi-enabled.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/eoi-enabled.x86_64-latest.args
@@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -machine pc,accel=tcg,usb=off,dump-guest-core=off \
--cpu qemu32,kvm_pv_eoi=on \
+-cpu qemu32,kvm-pv-eoi=on \
 -m 214 \
 -overcommit mem-lock=off \
 -smp 6,sockets=6,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/kvmclock+eoi-disabled.x86_64-latest.args b/tests/qemuxml2argvdata/kvmclock+eoi-disabled.x86_64-latest.args
index 23d2bcb87e..f13573df8a 100644
--- a/tests/qemuxml2argvdata/kvmclock+eoi-disabled.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/kvmclock+eoi-disabled.x86_64-latest.args
@@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -machine pc,accel=tcg,usb=off,dump-guest-core=off \
--cpu qemu32,kvmclock=off,kvm_pv_eoi=off \
+-cpu qemu32,kvmclock=off,kvm-pv-eoi=off \
 -m 214 \
 -overcommit mem-lock=off \
 -smp 6,sockets=6,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/pv-spinlock-disabled.x86_64-latest.args b/tests/qemuxml2argvdata/pv-spinlock-disabled.x86_64-latest.args
index b78533cf39..13fd7253a9 100644
--- a/tests/qemuxml2argvdata/pv-spinlock-disabled.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/pv-spinlock-disabled.x86_64-latest.args
@@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -machine pc,accel=tcg,usb=off,dump-guest-core=off \
--cpu qemu32,kvm_pv_unhalt=off \
+-cpu qemu32,kvm-pv-unhalt=off \
 -m 214 \
 -overcommit mem-lock=off \
 -smp 6,sockets=6,cores=1,threads=1 \
diff --git a/tests/qemuxml2argvdata/pv-spinlock-enabled.x86_64-latest.args b/tests/qemuxml2argvdata/pv-spinlock-enabled.x86_64-latest.args
index a016e80016..919bbd037e 100644
--- a/tests/qemuxml2argvdata/pv-spinlock-enabled.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/pv-spinlock-enabled.x86_64-latest.args
@@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
 -object secret,id=masterKey0,format=raw,\
 file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
 -machine pc,accel=tcg,usb=off,dump-guest-core=off \
--cpu qemu32,kvm_pv_unhalt=on \
+-cpu qemu32,kvm-pv-unhalt=on \
 -m 214 \
 -overcommit mem-lock=off \
 -smp 6,sockets=6,cores=1,threads=1 \
-- 
2.22.0

--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list



[Index of Archives]     [Virt Tools]     [Libvirt Users]     [Lib OS Info]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]     [Fedora Tools]

  Powered by Linux