linux-kernel - [PATCH v4.1 12/63] interval_tree: Fix ITSTATIC usage for *_subtree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <hvdg4xdlxlfp4vvrvnz2pgsn3wx7ru5fh7awwkj6625bwaarwg@tabcrhouzben>
Date: Thu, 18 Sep 2025 09:30:03 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: x86@...nel.org
Cc: linux-kernel@...r.kernel.org, Petr Mladek <pmladek@...e.com>, 
	Miroslav Benes <mbenes@...e.cz>, Joe Lawrence <joe.lawrence@...hat.com>, 
	live-patching@...r.kernel.org, Song Liu <song@...nel.org>, laokz <laokz@...mail.com>, 
	Jiri Kosina <jikos@...nel.org>, Marcos Paulo de Souza <mpdesouza@...e.com>, 
	Weinan Liu <wnliu@...gle.com>, Fazla Mehrab <a.mehrab@...edance.com>, 
	Chen Zhongjin <chenzhongjin@...wei.com>, Puranjay Mohan <puranjay@...nel.org>, 
	Dylan Hatch <dylanbhatch@...gle.com>, Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v4.1 12/63] interval_tree: Fix ITSTATIC usage for
 *_subtree_search()

For consistency with the other function templates, change
_subtree_search_*() to use the user-supplied ITSTATIC rather than the
hard-coded 'static'.

Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
v4.1: Fixed a couple more INTERVAL_TREE_DEFINE usages.

 drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h | 4 ++++
 include/linux/interval_tree.h                          | 4 ++++
 include/linux/interval_tree_generic.h                  | 2 +-
 include/linux/mm.h                                     | 2 ++
 lib/interval_tree.c                                    | 1 +
 tools/include/linux/interval_tree_generic.h            | 2 +-
 6 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h
index 1d7fc3226bcad..cfb42a8f5768b 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h
+++ b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h
@@ -53,6 +53,10 @@ extern void
 usnic_uiom_interval_tree_remove(struct usnic_uiom_interval_node *node,
 					struct rb_root_cached *root);
 extern struct usnic_uiom_interval_node *
+usnic_uiom_interval_tree_subtree_search(struct usnic_uiom_interval_node *node,
+					unsigned long start,
+					unsigned long last);
+extern struct usnic_uiom_interval_node *
 usnic_uiom_interval_tree_iter_first(struct rb_root_cached *root,
 					unsigned long start,
 					unsigned long last);
diff --git a/include/linux/interval_tree.h b/include/linux/interval_tree.h
index 2b8026a399064..9d5791e9f737a 100644
--- a/include/linux/interval_tree.h
+++ b/include/linux/interval_tree.h
@@ -19,6 +19,10 @@ extern void
 interval_tree_remove(struct interval_tree_node *node,
 		     struct rb_root_cached *root);
 
+extern struct interval_tree_node *
+interval_tree_subtree_search(struct interval_tree_node *node,
+			     unsigned long start, unsigned long last);
+
 extern struct interval_tree_node *
 interval_tree_iter_first(struct rb_root_cached *root,
 			 unsigned long start, unsigned long last);
diff --git a/include/linux/interval_tree_generic.h b/include/linux/interval_tree_generic.h
index 1b400f26f63d6..c5a2fed49eb0d 100644
--- a/include/linux/interval_tree_generic.h
+++ b/include/linux/interval_tree_generic.h
@@ -77,7 +77,7 @@ ITSTATIC void ITPREFIX ## _remove(ITSTRUCT *node,			      \
  *   Cond2: start <= ITLAST(node)					      \
  */									      \
 									      \
-static ITSTRUCT *							      \
+ITSTATIC ITSTRUCT *							      \
 ITPREFIX ## _subtree_search(ITSTRUCT *node, ITTYPE start, ITTYPE last)	      \
 {									      \
 	while (true) {							      \
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1ae97a0b8ec75..69baa9a1e2cb4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3265,6 +3265,8 @@ void vma_interval_tree_insert_after(struct vm_area_struct *node,
 				    struct rb_root_cached *root);
 void vma_interval_tree_remove(struct vm_area_struct *node,
 			      struct rb_root_cached *root);
+struct vm_area_struct *vma_interval_tree_subtree_search(struct vm_area_struct *node,
+				unsigned long start, unsigned long last);
 struct vm_area_struct *vma_interval_tree_iter_first(struct rb_root_cached *root,
 				unsigned long start, unsigned long last);
 struct vm_area_struct *vma_interval_tree_iter_next(struct vm_area_struct *node,
diff --git a/lib/interval_tree.c b/lib/interval_tree.c
index 324766e9bf637..9ceb084b6b4ef 100644
--- a/lib/interval_tree.c
+++ b/lib/interval_tree.c
@@ -13,6 +13,7 @@ INTERVAL_TREE_DEFINE(struct interval_tree_node, rb,
 
 EXPORT_SYMBOL_GPL(interval_tree_insert);
 EXPORT_SYMBOL_GPL(interval_tree_remove);
+EXPORT_SYMBOL_GPL(interval_tree_subtree_search);
 EXPORT_SYMBOL_GPL(interval_tree_iter_first);
 EXPORT_SYMBOL_GPL(interval_tree_iter_next);
 
diff --git a/tools/include/linux/interval_tree_generic.h b/tools/include/linux/interval_tree_generic.h
index 1b400f26f63d6..c5a2fed49eb0d 100644
--- a/tools/include/linux/interval_tree_generic.h
+++ b/tools/include/linux/interval_tree_generic.h
@@ -77,7 +77,7 @@ ITSTATIC void ITPREFIX ## _remove(ITSTRUCT *node,			      \
  *   Cond2: start <= ITLAST(node)					      \
  */									      \
 									      \
-static ITSTRUCT *							      \
+ITSTATIC ITSTRUCT *							      \
 ITPREFIX ## _subtree_search(ITSTRUCT *node, ITTYPE start, ITTYPE last)	      \
 {									      \
 	while (true) {							      \
-- 
2.50.0