Re: [PATCH 1/2] target/ppc/cpu-models: Rename power5+ and power7+ for new QOM naming rules

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On 12/01/2024 06.21, Harsh Prateek Bora wrote:


On 1/12/24 10:42, Thomas Huth wrote:
On 12/01/2024 05.57, Harsh Prateek Bora wrote:


On 1/11/24 22:16, Thomas Huth wrote:
The character "+" is now forbidden in QOM device names (see commit
b447378e1217 - "Limit type names to alphanumerical and some few special
characters"). For the "power5+" and "power7+" CPU names, there is
currently a hack in type_name_is_valid() to still allow them for
compatibility reasons. However, there is a much nicer solution for this:
Simply use aliases! This way we can still support the old names without
the need for the ugly hack in type_name_is_valid().

Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
---
  hw/ppc/spapr_cpu_core.c |  4 ++--
  qom/object.c            |  4 ----
  target/ppc/cpu-models.c | 10 ++++++----
  3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 5aa1ed474a..214b7a03d8 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -389,9 +389,9 @@ static const TypeInfo spapr_cpu_core_type_infos[] = {
      DEFINE_SPAPR_CPU_CORE_TYPE("970_v2.2"),
      DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.0"),
      DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.1"),
-    DEFINE_SPAPR_CPU_CORE_TYPE("power5+_v2.1"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power5plus_v2.1"),
      DEFINE_SPAPR_CPU_CORE_TYPE("power7_v2.3"),
-    DEFINE_SPAPR_CPU_CORE_TYPE("power7+_v2.1"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power7plus_v2.1"),

Will using Power5x, Power7x be a better naming than using 'plus' suffix ?

The "x" looks like a placeholder to me, so it could be confused with power50, power51, power52, etc. ...? But actually, I was thinking about using "power5p" and "power7p" first, so if the whole "plus" looks too long for you, would "p" be an option instead?

Hmm .. I would certainly vote for 'p' over 'plus'.

Ok, I don't mind either way ... does anybody else have any preferences?

 Thomas
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