Tom Rollet has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/51647 )
Change subject: python: remove SimObject children on NULL assignment
......................................................................
python: remove SimObject children on NULL assignment
Before this commit, on assigning NULL to an 'attr' that is a SimObject,
the corresponding children SimObject was not set to NULL.
This makes some SimObject being initialized in the c++ world
even if they are not needed.
This commit set the children to NULL in that case.
Change-Id: I2030d9d1b80c020fa28e50c0eca4f87b756763d6
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/51647
Reviewed-by: Andreas Sandberg <andreas.sandb...@arm.com>
Reviewed-by: Jason Lowe-Power <power...@gmail.com>
Maintainer: Jason Lowe-Power <power...@gmail.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
M src/python/m5/SimObject.py
1 file changed, 28 insertions(+), 0 deletions(-)
Approvals:
Jason Lowe-Power: Looks good to me, approved; Looks good to me, approved
Andreas Sandberg: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/python/m5/SimObject.py b/src/python/m5/SimObject.py
index d18d879..dec630c 100644
--- a/src/python/m5/SimObject.py
+++ b/src/python/m5/SimObject.py
@@ -1443,6 +1443,12 @@
e.args = (msg, )
raise
self._values[attr] = value
+
+ # If we assign NULL to an attr that is a SimObject,
+ # remove the corresponding children
+ if attr in self._children and isNullPointer(value):
+ self.clear_child(attr)
+
# implicitly parent unparented objects assigned as params
if isSimObjectOrVector(value) and not value.has_parent():
self.add_child(attr, value)
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I2030d9d1b80c020fa28e50c0eca4f87b756763d6
Gerrit-Change-Number: 51647
Gerrit-PatchSet: 3
Gerrit-Owner: Tom Rollet <tom.rol...@huawei.com>
Gerrit-Reviewer: Andreas Sandberg <andreas.sandb...@arm.com>
Gerrit-Reviewer: Jason Lowe-Power <ja...@lowepower.com>
Gerrit-Reviewer: Jason Lowe-Power <power...@gmail.com>
Gerrit-Reviewer: Tom Rollet <tom.rol...@huawei.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-CC: Nathanael Premillieu <nathanael.premill...@huawei.com>
Gerrit-MessageType: merged
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