On 9/8/22 01:07, Lin Ma wrote:
Besides the -cpu host, The host-phys-bits=on applies to custom or max
cpu model, So the host-passthrough validation check is unnecessary for
maxphysaddr with mode='passthrough'.

Signed-off-by: Lin Ma <l...@suse.com>
---
  src/qemu/qemu_validate.c                      |  7 -------
  .../cpu-phys-bits-passthrough2.err            |  2 +-
  .../cpu-phys-bits-passthrough2.xml            |  4 ++--
  .../cpu-phys-bits-passthrough3.err            |  1 -
  .../cpu-phys-bits-passthrough3.xml            | 20 -------------------
  tests/qemuxml2argvtest.c                      |  1 -
  6 files changed, 3 insertions(+), 32 deletions(-)
  delete mode 100644 tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.err
  delete mode 100644 tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.xml

Hi Lin,

Reviewed-by: Jim Fehlig <jfeh...@suse.com>

Sorry for the delay. I forgot to review your patch before taking some days off, which is unfortunate since it would be nice to have in the 8.8.0 release. Perhaps Jiri will allow an exception.

@Jiri, would it be ok to push this patch for 8.8.0? It's boarder-line bug fix and fine to push after the release if you prefer.

Regards,
Jim


diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 3327f6e24f..34fa10ae32 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -344,13 +344,6 @@ qemuValidateDomainDefCpu(virQEMUDriver *driver,
switch (addr->mode) {
          case VIR_CPU_MAX_PHYS_ADDR_MODE_PASSTHROUGH:
-            if (def->cpu->mode != VIR_CPU_MODE_HOST_PASSTHROUGH) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                               _("CPU maximum physical address bits mode '%s' can 
only be used with '%s' CPUs"),
-                               virCPUMaxPhysAddrModeTypeToString(addr->mode),
-                               
virCPUModeTypeToString(VIR_CPU_MODE_HOST_PASSTHROUGH));
-                return -1;
-            }
              if (addr->bits != -1) {
                  virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                                 _("CPU maximum physical address bits number 
specification cannot be used with mode='%s'"),
diff --git a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.err 
b/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.err
index 22009cc6e6..28f2e43432 100644
--- a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.err
+++ b/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.err
@@ -1 +1 @@
-unsupported configuration: CPU maximum physical address bits mode 
'passthrough' can only be used with 'host-passthrough' CPUs
+unsupported configuration: CPU maximum physical address bits number 
specification cannot be used with mode='passthrough'
diff --git a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.xml 
b/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.xml
index 511bbf9949..a94e567dcb 100644
--- a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.xml
+++ b/tests/qemuxml2argvdata/cpu-phys-bits-passthrough2.xml
@@ -8,8 +8,8 @@
      <type arch='x86_64' machine='pc'>hvm</type>
      <boot dev='hd'/>
    </os>
-  <cpu mode='host-model'>
-    <maxphysaddr mode='passthrough'/>
+  <cpu mode='host-passthrough'>
+    <maxphysaddr mode='passthrough' bits='42'/>
    </cpu>
    <clock offset='utc'/>
    <on_poweroff>destroy</on_poweroff>
diff --git a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.err 
b/tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.err
deleted file mode 100644
index 28f2e43432..0000000000
--- a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.err
+++ /dev/null
@@ -1 +0,0 @@
-unsupported configuration: CPU maximum physical address bits number 
specification cannot be used with mode='passthrough'
diff --git a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.xml 
b/tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.xml
deleted file mode 100644
index a94e567dcb..0000000000
--- a/tests/qemuxml2argvdata/cpu-phys-bits-passthrough3.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<domain type='kvm'>
-  <name>foo</name>
-  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
-  <memory unit='KiB'>219136</memory>
-  <currentMemory unit='KiB'>219136</currentMemory>
-  <vcpu placement='static'>1</vcpu>
-  <os>
-    <type arch='x86_64' machine='pc'>hvm</type>
-    <boot dev='hd'/>
-  </os>
-  <cpu mode='host-passthrough'>
-    <maxphysaddr mode='passthrough' bits='42'/>
-  </cpu>
-  <clock offset='utc'/>
-  <on_poweroff>destroy</on_poweroff>
-  <on_reboot>restart</on_reboot>
-  <on_crash>destroy</on_crash>
-  <devices>
-  </devices>
-</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index b7c3bc0e2d..c8b69bbd7a 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -3240,7 +3240,6 @@ mymain(void)
      DO_TEST("cpu-phys-bits-emulate2", QEMU_CAPS_KVM);
      DO_TEST_PARSE_ERROR("cpu-phys-bits-emulate3", QEMU_CAPS_KVM);
      DO_TEST_PARSE_ERROR("cpu-phys-bits-passthrough2", QEMU_CAPS_KVM);
-    DO_TEST_PARSE_ERROR("cpu-phys-bits-passthrough3", QEMU_CAPS_KVM);
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
          virFileDeleteTree(fakerootdir);

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