The patch titled
Subject: scripts/gdb: add iteration function for rbtree
has been added to the -mm mm-nonmm-unstable branch. Its filename is
scripts-gdb-add-iteration-function-for-rbtree.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/scripts-gdb-add-iteration-function-for-rbtree.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kuan-Ying Lee <kuan-ying.lee@xxxxxxxxxxxxx>
Subject: scripts/gdb: add iteration function for rbtree
Date: Tue, 23 Jul 2024 14:48:58 +0800
Add inorder iteration function for rbtree usage.
This is a preparation patch for the next patch to fix the gdb mounts
issue.
Link: https://lkml.kernel.org/r/20240723064902.124154-3-kuan-ying.lee@xxxxxxxxxxxxx
Fixes: 2eea9ce4310d ("mounts: keep list of mounts in an rbtree")
Signed-off-by: Kuan-Ying Lee <kuan-ying.lee@xxxxxxxxxxxxx>
Cc: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Cc: Kieran Bingham <kbingham@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/gdb/linux/rbtree.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/scripts/gdb/linux/rbtree.py~scripts-gdb-add-iteration-function-for-rbtree
+++ a/scripts/gdb/linux/rbtree.py
@@ -9,6 +9,18 @@ from linux import utils
rb_root_type = utils.CachedType("struct rb_root")
rb_node_type = utils.CachedType("struct rb_node")
+def rb_inorder_for_each(root):
+ def inorder(node):
+ if node:
+ yield from inorder(node['rb_left'])
+ yield node
+ yield from inorder(node['rb_right'])
+
+ yield from inorder(root['rb_node'])
+
+def rb_inorder_for_each_entry(root, gdbtype, member):
+ for node in rb_inorder_for_each(root):
+ yield utils.container_of(node, gdbtype, member)
def rb_first(root):
if root.type == rb_root_type.get_type():
_
Patches currently in -mm which might be from kuan-ying.lee@xxxxxxxxxxxxx are
scripts-gdb-fix-timerlist-parsing-issue.patch
scripts-gdb-add-iteration-function-for-rbtree.patch
scripts-gdb-fix-lx-mounts-command-error.patch
scripts-gdb-add-lx-stack_depot_lookup-command.patch
scripts-gdb-add-lx-kasan_mem_to_shadow-command.patch
