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Subject[RFC PATCH v2 03/15] cpu-model: Introduce stub routine cpu_desc_avail
Date
This patch introduces the function cpu_desc_avail() which returns by
default true if not architecture specific implemented. Its intention
is to indicate if the cpu model description is available for display
by list_cpus(). This change allows cpu model descriptions to become
dynamically created by evaluating the runtime context instead of
putting static cpu model information at display.

Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
---
include/qemu-common.h | 2 ++
stubs/Makefile.objs | 1 +
stubs/cpu-desc-avail.c | 6 ++++++
vl.c | 2 +-
4 files changed, 10 insertions(+), 1 deletion(-)
create mode 100644 stubs/cpu-desc-avail.c

diff --git a/include/qemu-common.h b/include/qemu-common.h
index 644b46d..45040f9 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -481,4 +481,6 @@ int parse_debug_env(const char *name, int max, int initial);

const char *qemu_ether_ntoa(const MACAddr *mac);

+bool cpu_desc_avail(void);
+
#endif
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 5e347d0..fd7a489 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -40,3 +40,4 @@ stub-obj-$(CONFIG_WIN32) += fd-register.o
stub-obj-y += cpus.o
stub-obj-y += kvm.o
stub-obj-y += qmp_pc_dimm_device_list.o
+stub-obj-y += cpu-desc-avail.o
diff --git a/stubs/cpu-desc-avail.c b/stubs/cpu-desc-avail.c
new file mode 100644
index 0000000..0cd594e
--- /dev/null
+++ b/stubs/cpu-desc-avail.c
@@ -0,0 +1,6 @@
+#include "qemu-common.h"
+
+bool cpu_desc_avail(void)
+{
+ return true;
+}
diff --git a/vl.c b/vl.c
index 0fabc0b..130fb1e 100644
--- a/vl.c
+++ b/vl.c
@@ -3819,7 +3819,7 @@ int main(int argc, char **argv, char **envp)
*/
cpudef_init();

- if (cpu_model && is_help_option(cpu_model)) {
+ if (cpu_model && cpu_desc_avail() && is_help_option(cpu_model)) {
list_cpus(stdout, &fprintf, cpu_model);
exit(0);
}
--
1.8.3.1


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