From: Zhao Liu <zhao1.liu@xxxxxxxxx>
The "parameter=0" SMP configurations have been marked as deprecated
since v6.2.
For these cases, -smp currently returns the warning and adjusts the
zeroed parameters to 1 by default.
Remove the above compatibility logic in v9.0, and return error directly
if any -smp parameter is set as 0.
Signed-off-by: Zhao Liu <zhao1.liu@xxxxxxxxx>
---
docs/about/deprecated.rst | 16 ----------------
docs/about/removed-features.rst | 15 +++++++++++++++
hw/core/machine-smp.c | 5 +++--
3 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 36bd3e15ef06..872974640252 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -36,22 +36,6 @@ and will cause a warning.
The replacement for the ``nodelay`` short-form boolean option is ``nodelay=on``
rather than ``delay=off``.
-``-smp`` ("parameter=0" SMP configurations) (since 6.2)
-'''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-Specified CPU topology parameters must be greater than zero.
-
-In the SMP configuration, users should either provide a CPU topology
-parameter with a reasonable value (greater than zero) or just omit it
-and QEMU will compute the missing value.
-
-However, historically it was implicitly allowed for users to provide
-a parameter with zero value, which is meaningless and could also possibly
-cause unexpected results in the -smp parsing. So support for this kind of
-configurations (e.g. -smp 8,sockets=0) is deprecated since 6.2 and will
-be removed in the near future, users have to ensure that all the topology
-members described with -smp are greater than zero.
-
Plugin argument passing through ``arg=<string>`` (since 6.1)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index 417a0e4fa1d9..f9cf874f7b1f 100644
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -489,6 +489,21 @@ The ``-singlestep`` option has been turned into an accelerator property,
and given a name that better reflects what it actually does.
Use ``-accel tcg,one-insn-per-tb=on`` instead.
+``-smp`` ("parameter=0" SMP configurations) (removed in 9.0)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Specified CPU topology parameters must be greater than zero.
+
+In the SMP configuration, users should either provide a CPU topology
+parameter with a reasonable value (greater than zero) or just omit it
+and QEMU will compute the missing value.
+
+However, historically it was implicitly allowed for users to provide
+a parameter with zero value, which is meaningless and could also possibly
+cause unexpected results in the -smp parsing. So support for this kind of
+configurations (e.g. -smp 8,sockets=0) is removed since 9.0, users have
+to ensure that all the topology members described with -smp are greater
+than zero.
User-mode emulator command line arguments
-----------------------------------------
diff --git a/hw/core/machine-smp.c b/hw/core/machine-smp.c
index 25019c91ee36..96533886b14e 100644
--- a/hw/core/machine-smp.c
+++ b/hw/core/machine-smp.c
@@ -105,8 +105,9 @@ void machine_parse_smp_config(MachineState *ms,
(config->has_cores && config->cores == 0) ||
(config->has_threads && config->threads == 0) ||
(config->has_maxcpus && config->maxcpus == 0)) {
- warn_report("Deprecated CPU topology (considered invalid): "
- "CPU topology parameters must be greater than zero");
+ error_setg(errp, "Invalid CPU topology: "
+ "CPU topology parameters must be greater than zero");
+ return;
}
/*
--
2.34.1
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