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Message-Id: <20230820224800.3905291-1-masahiroy@kernel.org>
Date: Mon, 21 Aug 2023 07:48:00 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: linux-kbuild@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Masahiro Yamada <masahiroy@...nel.org>,
Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Nicolas Schier <nicolas@...sle.eu>
Subject: [PATCH] kbuild: merge list.h in modpost and kconfig
Move scripts/mod/list.h to scripts/include/list.h and remove
scripts/kconfig/list.h. This removes the code duplication between
scripts/mod/list.h and scripts/kconfig/list.h.
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---
Makefile | 2 +-
scripts/{mod => include}/list.h | 0
scripts/kconfig/expr.h | 3 +-
scripts/kconfig/list.h | 132 --------------------------------
scripts/kconfig/preprocess.c | 2 +-
scripts/mod/modpost.h | 2 +-
6 files changed, 5 insertions(+), 136 deletions(-)
rename scripts/{mod => include}/list.h (100%)
delete mode 100644 scripts/kconfig/list.h
diff --git a/Makefile b/Makefile
index 4382cdb38fba..5434e093d086 100644
--- a/Makefile
+++ b/Makefile
@@ -469,7 +469,7 @@ export rust_common_flags := --edition=2021 \
-Dclippy::needless_continue \
-Wclippy::dbg_macro
-KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
+KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS) -I $(srctree)/scripts/include
KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
KBUILD_HOSTRUSTFLAGS := $(rust_common_flags) -O -Cstrip=debuginfo \
-Zallow-features= $(HOSTRUSTFLAGS)
diff --git a/scripts/mod/list.h b/scripts/include/list.h
similarity index 100%
rename from scripts/mod/list.h
rename to scripts/include/list.h
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 4a9a23b1b7e1..8f46c079fa98 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -12,11 +12,12 @@ extern "C" {
#include <assert.h>
#include <stdio.h>
-#include "list.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
+#include <list.h>
+
struct file {
struct file *next;
struct file *parent;
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
deleted file mode 100644
index 45cb237ab7ef..000000000000
--- a/scripts/kconfig/list.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef LIST_H
-#define LIST_H
-
-/*
- * Copied from include/linux/...
- */
-
-#undef offsetof
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
-
-/**
- * container_of - cast a member of a structure out to the containing structure
- * @ptr: the pointer to the member.
- * @type: the type of the container struct this is embedded in.
- * @member: the name of the member within the struct.
- *
- */
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
-
-struct list_head {
- struct list_head *next, *prev;
-};
-
-
-#define LIST_HEAD_INIT(name) { &(name), &(name) }
-
-#define LIST_HEAD(name) \
- struct list_head name = LIST_HEAD_INIT(name)
-
-/**
- * list_entry - get the struct for this entry
- * @ptr: the &struct list_head pointer.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_head within the struct.
- */
-#define list_entry(ptr, type, member) \
- container_of(ptr, type, member)
-
-/**
- * list_for_each_entry - iterate over list of given type
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_head within the struct.
- */
-#define list_for_each_entry(pos, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
-
-/**
- * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_head within the struct.
- */
-#define list_for_each_entry_safe(pos, n, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
-
-/**
- * list_empty - tests whether a list is empty
- * @head: the list to test.
- */
-static inline int list_empty(const struct list_head *head)
-{
- return head->next == head;
-}
-
-/*
- * Insert a new entry between two known consecutive entries.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static inline void __list_add(struct list_head *_new,
- struct list_head *prev,
- struct list_head *next)
-{
- next->prev = _new;
- _new->next = next;
- _new->prev = prev;
- prev->next = _new;
-}
-
-/**
- * list_add_tail - add a new entry
- * @new: new entry to be added
- * @head: list head to add it before
- *
- * Insert a new entry before the specified head.
- * This is useful for implementing queues.
- */
-static inline void list_add_tail(struct list_head *_new, struct list_head *head)
-{
- __list_add(_new, head->prev, head);
-}
-
-/*
- * Delete a list entry by making the prev/next entries
- * point to each other.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static inline void __list_del(struct list_head *prev, struct list_head *next)
-{
- next->prev = prev;
- prev->next = next;
-}
-
-#define LIST_POISON1 ((void *) 0x00100100)
-#define LIST_POISON2 ((void *) 0x00200200)
-/**
- * list_del - deletes entry from list.
- * @entry: the element to delete from the list.
- * Note: list_empty() on entry does not return true after this, the entry is
- * in an undefined state.
- */
-static inline void list_del(struct list_head *entry)
-{
- __list_del(entry->prev, entry->next);
- entry->next = (struct list_head*)LIST_POISON1;
- entry->prev = (struct list_head*)LIST_POISON2;
-}
-#endif
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index 748da578b418..cc2d5d26185d 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -9,7 +9,7 @@
#include <stdlib.h>
#include <string.h>
-#include "list.h"
+#include <list.h>
#include "lkc.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 5f94c2c9f2d9..4ebc053cc68f 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -11,7 +11,7 @@
#include <unistd.h>
#include <elf.h>
-#include "list.h"
+#include <list.h>
#include "elfconfig.h"
/* On BSD-alike OSes elf.h defines these according to host's word size */
--
2.39.2
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