3:07 a.m.
See the subthread starting at [1] for the rationale. The QEMU commit
that (temporarily) reverted KVM support is at [2].
[1] https://listman.redhat.com/archives/libvir-list/2023-May/239911.html
[2]
https://gitlab.com/qemu-project/qemu/-/commit/d009607d08d22f91ca399b72828...
Andrea Bolognani (4):
Revert "qemu: Generate command line for MTE feature"
Revert "qemu: Validate MTE feature"
Revert "qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability"
Revert "conf: Introduce MTE domain feature"
docs/formatdomain.rst | 7 -----
src/conf/domain_conf.c | 6 +----
src/conf/domain_conf.h | 1 -
src/conf/schemas/domaincommon.rng | 5 ----
src/qemu/qemu_capabilities.c | 2 --
src/qemu/qemu_capabilities.h | 1 -
src/qemu/qemu_command.c | 6 -----
src/qemu/qemu_validate.c | 26 ++++++-------------
.../caps_5.2.0_aarch64.xml | 1 -
.../caps_6.0.0_aarch64.xml | 1 -
.../caps_6.2.0_aarch64.xml | 1 -
.../caps_7.0.0_aarch64+hvf.xml | 1 -
.../caps_7.0.0_aarch64.xml | 1 -
tests/qemuxml2argvdata/aarch64-gic-v3.args | 2 +-
tests/qemuxml2argvdata/aarch64-gic-v3.xml | 1 -
.../aarch64-gic-v3.aarch64-latest.xml | 1 -
16 files changed, 10 insertions(+), 53 deletions(-)
--
2.40.1
3:07 a.m.
New subject: [libvirt PATCH 1/4] Revert "qemu: Generate command line for MTE feature"
The QEMU interface is still in a state of flux, and KVM support
has been pulled shortly after having been merged. Let's not
commit to a stable interface in libvirt just yet.
Reverts: b10bc8f7ab6f9986ccc54ba04fc5b3bad7576be6
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
src/qemu/qemu_command.c | 6 ------
tests/qemuxml2argvdata/aarch64-gic-v3.args | 2 +-
2 files changed, 1 insertion(+), 7 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 9b993c3aad..2a6d9408f6 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6797,12 +6797,6 @@ qemuAppendDomainFeaturesMachineParam(virBuffer *buf,
virBufferAsprintf(buf, ",cap-ibs=%s", str);
}
- if (def->features[VIR_DOMAIN_FEATURE_MTE] != VIR_TRISTATE_SWITCH_ABSENT) {
- const char *str;
- str = virTristateSwitchTypeToString(def->features[VIR_DOMAIN_FEATURE_MTE]);
- virBufferAsprintf(buf, ",mte=%s", str);
- }
-
return 0;
}
diff --git a/tests/qemuxml2argvdata/aarch64-gic-v3.args
b/tests/qemuxml2argvdata/aarch64-gic-v3.args
index 0244951d87..0d7a1c259a 100644
--- a/tests/qemuxml2argvdata/aarch64-gic-v3.args
+++ b/tests/qemuxml2argvdata/aarch64-gic-v3.args
@@ -10,7 +10,7 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-aarch64test/.config \
-name guest=aarch64test,debug-threads=on \
-S \
-object
'{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-aarch64test/master-key.aes"}'
\
--machine
virt,usb=off,gic-version=3,mte=on,dump-guest-core=off,memory-backend=mach-virt.ram \
+-machine virt,usb=off,gic-version=3,dump-guest-core=off,memory-backend=mach-virt.ram \
-accel kvm \
-cpu host \
-m 1024 \
--
2.40.1
3:07 a.m.
New subject: [libvirt PATCH 2/4] Revert "qemu: Validate MTE feature"
The QEMU interface is still in a state of flux, and KVM support
has been pulled shortly after having been merged. Let's not
commit to a stable interface in libvirt just yet.
Reverts: c6c9b5d251de215ed378aa0bc31daa2e1170409e
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
src/qemu/qemu_validate.c | 25 ++++++++-----------------
1 file changed, 8 insertions(+), 17 deletions(-)
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index da76556854..99c7775e9b 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -124,23 +124,14 @@ qemuValidateDomainDefFeatures(const virDomainDef *def,
case VIR_DOMAIN_FEATURE_GIC:
case VIR_DOMAIN_FEATURE_MTE:
- if (def->features[i] != VIR_TRISTATE_SWITCH_ABSENT) {
- if (!qemuDomainIsARMVirt(def)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
- _("The '%1$s' feature is not supported
for architecture '%2$s' or machine type '%3$s'"),
- featureName,
- virArchToString(def->os.arch),
- def->os.machine);
- return -1;
- }
-
- if (i == VIR_DOMAIN_FEATURE_MTE &&
- !virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_VIRT_MTE)) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
- _("The '%1$s' feature is not supported
with this QEMU binary"),
- featureName);
- return -1;
- }
+ if (def->features[i] == VIR_TRISTATE_SWITCH_ON &&
+ !qemuDomainIsARMVirt(def)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("The '%1$s' feature is not supported for
architecture '%2$s' or machine type '%3$s'"),
+ featureName,
+ virArchToString(def->os.arch),
+ def->os.machine);
+ return -1;
}
break;
--
2.40.1
3:07 a.m.
New subject: [libvirt PATCH 3/4] Revert "qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability"
The QEMU interface is still in a state of flux, and KVM support
has been pulled shortly after having been merged. Let's not
commit to a stable interface in libvirt just yet.
Reverts: 1347a19f75a23b4d92e6a7b549fcde52b23f0258
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
src/qemu/qemu_capabilities.c | 2 --
src/qemu/qemu_capabilities.h | 1 -
tests/qemucapabilitiesdata/caps_5.2.0_aarch64.xml | 1 -
tests/qemucapabilitiesdata/caps_6.0.0_aarch64.xml | 1 -
tests/qemucapabilitiesdata/caps_6.2.0_aarch64.xml | 1 -
tests/qemucapabilitiesdata/caps_7.0.0_aarch64+hvf.xml | 1 -
tests/qemucapabilitiesdata/caps_7.0.0_aarch64.xml | 1 -
7 files changed, 8 deletions(-)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index a88c4070ab..cf85d42198 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -693,7 +693,6 @@ VIR_ENUM_IMPL(virQEMUCaps,
"virtio-gpu.blob", /* QEMU_CAPS_VIRTIO_GPU_BLOB */
"rbd-encryption-layering", /* QEMU_CAPS_RBD_ENCRYPTION_LAYERING
*/
"rbd-encryption-luks-any", /* QEMU_CAPS_RBD_ENCRYPTION_LUKS_ANY
*/
- "machine.virt.mte", /* QEMU_CAPS_MACHINE_VIRT_MTE */
);
@@ -1721,7 +1720,6 @@ static struct virQEMUCapsStringFlags
virQEMUCapsMachinePropsPSeries[] = {
static struct virQEMUCapsStringFlags virQEMUCapsMachinePropsVirt[] = {
{ "iommu", QEMU_CAPS_MACHINE_VIRT_IOMMU },
- { "mte", QEMU_CAPS_MACHINE_VIRT_MTE },
};
static struct virQEMUCapsStringFlags virQEMUCapsMachinePropsGeneric[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index ffece17877..3b55aed07a 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -672,7 +672,6 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check
*/
QEMU_CAPS_VIRTIO_GPU_BLOB, /* -device virtio-gpu-*.blob= */
QEMU_CAPS_RBD_ENCRYPTION_LAYERING, /* layered encryption support for Ceph RBD */
QEMU_CAPS_RBD_ENCRYPTION_LUKS_ANY, /* luks-any (LUKS and LUKS2) encryption format for
Ceph RBD */
- QEMU_CAPS_MACHINE_VIRT_MTE, /* -machine virt,mte=* for ARM guests */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0_aarch64.xml
b/tests/qemucapabilitiesdata/caps_5.2.0_aarch64.xml
index 4843b32a45..b1c5c21abb 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0_aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0_aarch64.xml
@@ -130,7 +130,6 @@
<flag name='virtio-net.rss'/>
<flag name='usb-host.guest-resets-all'/>
<flag name='virtio-crypto'/>
- <flag name='machine.virt.mte'/>
<version>5002000</version>
<microcodeVersion>61700243</microcodeVersion>
<package>v5.2.0</package>
diff --git a/tests/qemucapabilitiesdata/caps_6.0.0_aarch64.xml
b/tests/qemucapabilitiesdata/caps_6.0.0_aarch64.xml
index 78e297c7f4..6faf407a97 100644
--- a/tests/qemucapabilitiesdata/caps_6.0.0_aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0_aarch64.xml
@@ -140,7 +140,6 @@
<flag name='migration.blocked-reasons'/>
<flag name='virtio-crypto'/>
<flag name='pvpanic-pci'/>
- <flag name='machine.virt.mte'/>
<version>6000000</version>
<microcodeVersion>61700242</microcodeVersion>
<package>v6.0.0</package>
diff --git a/tests/qemucapabilitiesdata/caps_6.2.0_aarch64.xml
b/tests/qemucapabilitiesdata/caps_6.2.0_aarch64.xml
index f37b84d399..e312801b89 100644
--- a/tests/qemucapabilitiesdata/caps_6.2.0_aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.2.0_aarch64.xml
@@ -153,7 +153,6 @@
<flag name='virtio-crypto'/>
<flag name='pvpanic-pci'/>
<flag name='virtio-gpu.blob'/>
- <flag name='machine.virt.mte'/>
<version>6001050</version>
<microcodeVersion>61700244</microcodeVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_7.0.0_aarch64+hvf.xml
b/tests/qemucapabilitiesdata/caps_7.0.0_aarch64+hvf.xml
index d0f1815e85..3517e81d15 100644
--- a/tests/qemucapabilitiesdata/caps_7.0.0_aarch64+hvf.xml
+++ b/tests/qemucapabilitiesdata/caps_7.0.0_aarch64+hvf.xml
@@ -161,7 +161,6 @@
<flag name='virtio-crypto'/>
<flag name='pvpanic-pci'/>
<flag name='virtio-gpu.blob'/>
- <flag name='machine.virt.mte'/>
<version>6002092</version>
<microcodeVersion>61700243</microcodeVersion>
<package>v7.0.0-rc2</package>
diff --git a/tests/qemucapabilitiesdata/caps_7.0.0_aarch64.xml
b/tests/qemucapabilitiesdata/caps_7.0.0_aarch64.xml
index 5ca98e19be..58db75d1d7 100644
--- a/tests/qemucapabilitiesdata/caps_7.0.0_aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_7.0.0_aarch64.xml
@@ -161,7 +161,6 @@
<flag name='virtio-crypto'/>
<flag name='pvpanic-pci'/>
<flag name='virtio-gpu.blob'/>
- <flag name='machine.virt.mte'/>
<version>6002092</version>
<microcodeVersion>61700243</microcodeVersion>
<package>v7.0.0-rc2</package>
--
2.40.1
3:07 a.m.
New subject: [libvirt PATCH 4/4] Revert "conf: Introduce MTE domain feature"
The QEMU interface is still in a state of flux, and KVM support
has been pulled shortly after having been merged. Let's not
commit to a stable interface in libvirt just yet.
Reverts: 720e8f13ff71377580cd37b118cee8a1f982d1d8
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
docs/formatdomain.rst | 7 -------
src/conf/domain_conf.c | 6 +-----
src/conf/domain_conf.h | 1 -
src/conf/schemas/domaincommon.rng | 5 -----
src/qemu/qemu_validate.c | 1 -
tests/qemuxml2argvdata/aarch64-gic-v3.xml | 1 -
tests/qemuxml2xmloutdata/aarch64-gic-v3.aarch64-latest.xml | 1 -
7 files changed, 1 insertion(+), 21 deletions(-)
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index b46eefb0f6..dd28a565e1 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -2000,7 +2000,6 @@ Hypervisors may allow certain CPU / machine features to be toggled
on/off.
<tcg>
<tb-cache unit='MiB'>128</tb-cache>
</tcg>
- <mte state='on'/>
</features>
...
@@ -2231,12 +2230,6 @@ are:
tb-cache The size of translation block cache size an integer (a multiple of
MiB) :since:`8.0.0`
=========== ==============================================
=================================================== ==============
-``mte``
- Configure Memory Tagging Extensions for ARM guests. Possible values for the
- ``state`` attribute are ``on`` and ``off``. If the attribute is not
- defined, the hypervisor default will be used. :since:`Since 9.4.0` (QEMU/KVM
- only)
-
Time keeping
------------
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 047a4c97bf..6a864a8db9 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -181,7 +181,6 @@ VIR_ENUM_IMPL(virDomainFeature,
"sbbc",
"ibs",
"tcg",
- "mte",
);
VIR_ENUM_IMPL(virDomainCapabilitiesPolicy,
@@ -16646,8 +16645,7 @@ virDomainFeaturesDefParse(virDomainDef *def,
case VIR_DOMAIN_FEATURE_HTM:
case VIR_DOMAIN_FEATURE_NESTED_HV:
- case VIR_DOMAIN_FEATURE_CCF_ASSIST:
- case VIR_DOMAIN_FEATURE_MTE: {
+ case VIR_DOMAIN_FEATURE_CCF_ASSIST: {
virTristateSwitch state;
if (virXMLPropTristateSwitch(nodes[i], "state",
@@ -20488,7 +20486,6 @@ virDomainDefFeaturesCheckABIStability(virDomainDef *src,
case VIR_DOMAIN_FEATURE_HTM:
case VIR_DOMAIN_FEATURE_NESTED_HV:
case VIR_DOMAIN_FEATURE_CCF_ASSIST:
- case VIR_DOMAIN_FEATURE_MTE:
if (src->features[i] != dst->features[i]) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("State of feature '%1$s' differs: source:
'%2$s', destination: '%3$s'"),
@@ -27008,7 +27005,6 @@ virDomainDefFormatFeatures(virBuffer *buf,
case VIR_DOMAIN_FEATURE_HTM:
case VIR_DOMAIN_FEATURE_NESTED_HV:
case VIR_DOMAIN_FEATURE_CCF_ASSIST:
- case VIR_DOMAIN_FEATURE_MTE:
switch ((virTristateSwitch) def->features[i]) {
case VIR_TRISTATE_SWITCH_LAST:
case VIR_TRISTATE_SWITCH_ABSENT:
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 3f8d6e81c0..c1cb2ed69d 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2169,7 +2169,6 @@ typedef enum {
VIR_DOMAIN_FEATURE_SBBC,
VIR_DOMAIN_FEATURE_IBS,
VIR_DOMAIN_FEATURE_TCG,
- VIR_DOMAIN_FEATURE_MTE,
VIR_DOMAIN_FEATURE_LAST
} virDomainFeature;
diff --git a/src/conf/schemas/domaincommon.rng b/src/conf/schemas/domaincommon.rng
index 37e350ac2c..f8c7b6a648 100644
--- a/src/conf/schemas/domaincommon.rng
+++ b/src/conf/schemas/domaincommon.rng
@@ -6653,11 +6653,6 @@
<optional>
<ref name="tcgfeatures"/>
</optional>
- <optional>
- <element name="mte">
- <ref name="featurestate"/>
- </element>
- </optional>
</interleave>
</element>
</optional>
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 99c7775e9b..da4b9a3b35 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -123,7 +123,6 @@ qemuValidateDomainDefFeatures(const virDomainDef *def,
break;
case VIR_DOMAIN_FEATURE_GIC:
- case VIR_DOMAIN_FEATURE_MTE:
if (def->features[i] == VIR_TRISTATE_SWITCH_ON &&
!qemuDomainIsARMVirt(def)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
diff --git a/tests/qemuxml2argvdata/aarch64-gic-v3.xml
b/tests/qemuxml2argvdata/aarch64-gic-v3.xml
index b9317284b0..247d6025f7 100644
--- a/tests/qemuxml2argvdata/aarch64-gic-v3.xml
+++ b/tests/qemuxml2argvdata/aarch64-gic-v3.xml
@@ -10,7 +10,6 @@
</os>
<features>
<gic version='3'/>
- <mte state='on'/>
</features>
<cpu mode='host-passthrough' check='none'/>
<clock offset='utc'/>
diff --git a/tests/qemuxml2xmloutdata/aarch64-gic-v3.aarch64-latest.xml
b/tests/qemuxml2xmloutdata/aarch64-gic-v3.aarch64-latest.xml
index 1a74903aaa..5b2fb7df75 100644
--- a/tests/qemuxml2xmloutdata/aarch64-gic-v3.aarch64-latest.xml
+++ b/tests/qemuxml2xmloutdata/aarch64-gic-v3.aarch64-latest.xml
@@ -10,7 +10,6 @@
</os>
<features>
<gic version='3'/>
- <mte state='on'/>
</features>
<cpu mode='host-passthrough' check='none'/>
<clock offset='utc'/>
--
2.40.1
3:54 a.m.
On a Monday in 2023, Andrea Bolognani wrote:
See the subthread starting at [1] for the rationale. The QEMU commit
that (temporarily) reverted KVM support is at [2].
[1] https://listman.redhat.com/archives/libvir-list/2023-May/239911.html
[2]
https://gitlab.com/qemu-project/qemu/-/commit/d009607d08d22f91ca399b72828...
Andrea Bolognani (4):
Revert "qemu: Generate command line for MTE feature"
Revert "qemu: Validate MTE feature"
Revert "qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability"
Revert "conf: Introduce MTE domain feature"
docs/formatdomain.rst | 7 -----
src/conf/domain_conf.c | 6 +----
src/conf/domain_conf.h | 1 -
src/conf/schemas/domaincommon.rng | 5 ----
src/qemu/qemu_capabilities.c | 2 --
src/qemu/qemu_capabilities.h | 1 -
src/qemu/qemu_command.c | 6 -----
src/qemu/qemu_validate.c | 26 ++++++-------------
.../caps_5.2.0_aarch64.xml | 1 -
.../caps_6.0.0_aarch64.xml | 1 -
.../caps_6.2.0_aarch64.xml | 1 -
.../caps_7.0.0_aarch64+hvf.xml | 1 -
.../caps_7.0.0_aarch64.xml | 1 -
tests/qemuxml2argvdata/aarch64-gic-v3.args | 2 +-
tests/qemuxml2argvdata/aarch64-gic-v3.xml | 1 -
.../aarch64-gic-v3.aarch64-latest.xml | 1 -
16 files changed, 10 insertions(+), 53 deletions(-)
Reviewed-by:: Ján Tomko <jtomko(a)redhat.com>
Jano
4:51 a.m.
On Mon, May 22 2023, Andrea Bolognani <abologna(a)redhat.com> wrote:
See the subthread starting at [1] for the rationale. The QEMU commit
that (temporarily) reverted KVM support is at [2].
[1] https://listman.redhat.com/archives/libvir-list/2023-May/239911.html
[2]
https://gitlab.com/qemu-project/qemu/-/commit/d009607d08d22f91ca399b72828...
Andrea Bolognani (4):
Revert "qemu: Generate command line for MTE feature"
Revert "qemu: Validate MTE feature"
Revert "qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability"
Revert "conf: Introduce MTE domain feature"
docs/formatdomain.rst | 7 -----
src/conf/domain_conf.c | 6 +----
src/conf/domain_conf.h | 1 -
src/conf/schemas/domaincommon.rng | 5 ----
src/qemu/qemu_capabilities.c | 2 --
src/qemu/qemu_capabilities.h | 1 -
src/qemu/qemu_command.c | 6 -----
src/qemu/qemu_validate.c | 26 ++++++-------------
.../caps_5.2.0_aarch64.xml | 1 -
.../caps_6.0.0_aarch64.xml | 1 -
.../caps_6.2.0_aarch64.xml | 1 -
.../caps_7.0.0_aarch64+hvf.xml | 1 -
.../caps_7.0.0_aarch64.xml | 1 -
tests/qemuxml2argvdata/aarch64-gic-v3.args | 2 +-
tests/qemuxml2argvdata/aarch64-gic-v3.xml | 1 -
.../aarch64-gic-v3.aarch64-latest.xml | 1 -
16 files changed, 10 insertions(+), 53 deletions(-)
FWIW,
Reviewed-by: Cornelia Huck <cohuck(a)redhat.com>
581
days inactive
581
days old
6 comments
3 participants
participants (3)
-
Andrea Bolognani -
Cornelia Huck -
Ján Tomko