The patch titled
Subject: tools: add WARN_ON_ONCE
has been removed from the -mm tree. Its filename was
tools-add-warn_on_once.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Subject: tools: add WARN_ON_ONCE
Patch series "Radix tree patches for 4.10", v3.
Mostly these are improvements; the only bug fixes in here relate to
multiorder entries (which are unused in the 4.9 tree).
This patch (of 32):
The radix tree uses its own buggy WARN_ON_ONCE. Replace it with the
definition from asm-generic/bug.h
Link: http://lkml.kernel.org/r/1480369871-5271-37-git-send-email-mawilcox@xxxxxxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Tested-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/include/asm/bug.h | 11 +++++++++++
tools/testing/radix-tree/Makefile | 2 +-
tools/testing/radix-tree/linux/bug.h | 2 +-
tools/testing/radix-tree/linux/types.h | 2 --
4 files changed, 13 insertions(+), 4 deletions(-)
diff -puN tools/include/asm/bug.h~tools-add-warn_on_once tools/include/asm/bug.h
--- a/tools/include/asm/bug.h~tools-add-warn_on_once
+++ a/tools/include/asm/bug.h
@@ -12,6 +12,17 @@
unlikely(__ret_warn_on); \
})
+#define WARN_ON_ONCE(condition) ({ \
+ static int __warned; \
+ int __ret_warn_once = !!(condition); \
+ \
+ if (unlikely(__ret_warn_once && !__warned)) { \
+ __warned = true; \
+ WARN_ON(1); \
+ } \
+ unlikely(__ret_warn_once); \
+})
+
#define WARN_ONCE(condition, format...) ({ \
static int __warned; \
int __ret_warn_once = !!(condition); \
diff -puN tools/testing/radix-tree/Makefile~tools-add-warn_on_once tools/testing/radix-tree/Makefile
--- a/tools/testing/radix-tree/Makefile~tools-add-warn_on_once
+++ a/tools/testing/radix-tree/Makefile
@@ -1,5 +1,5 @@
-CFLAGS += -I. -g -O2 -Wall -D_LGPL_SOURCE
+CFLAGS += -I. -I../../include -g -O2 -Wall -D_LGPL_SOURCE
LDFLAGS += -lpthread -lurcu
TARGETS = main
OFILES = main.o radix-tree.o linux.o test.o tag_check.o find_next_bit.o \
diff -puN tools/testing/radix-tree/linux/bug.h~tools-add-warn_on_once tools/testing/radix-tree/linux/bug.h
--- a/tools/testing/radix-tree/linux/bug.h~tools-add-warn_on_once
+++ a/tools/testing/radix-tree/linux/bug.h
@@ -1 +1 @@
-#define WARN_ON_ONCE(x) assert(x)
+#include "asm/bug.h"
diff -puN tools/testing/radix-tree/linux/types.h~tools-add-warn_on_once tools/testing/radix-tree/linux/types.h
--- a/tools/testing/radix-tree/linux/types.h~tools-add-warn_on_once
+++ a/tools/testing/radix-tree/linux/types.h
@@ -6,8 +6,6 @@
#define __rcu
#define __read_mostly
-#define BITS_PER_LONG (sizeof(long) * 8)
-
static inline void INIT_LIST_HEAD(struct list_head *list)
{
list->next = list;
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxxxx are
reimplement-idr-and-ida-using-the-radix-tree.patch
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