From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/include/linux/srcutree.h | 55 ++++++++++++++++++++++++++-----------------------------
1 files changed, 26 insertions(+), 29 deletions(-)
diff --git a/kernel/include/linux/srcutree.h b/kernel/include/linux/srcutree.h
index 745d4ca..9cfcc8a 100644
--- a/kernel/include/linux/srcutree.h
+++ b/kernel/include/linux/srcutree.h
@@ -1,24 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Sleepable Read-Copy Update mechanism for mutual exclusion,
* tree variant.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, you can access it online at
- * http://www.gnu.org/licenses/gpl-2.0.html.
- *
* Copyright (C) IBM Corporation, 2017
*
- * Author: Paul McKenney <paulmck@us.ibm.com>
+ * Author: Paul McKenney <paulmck@linux.ibm.com>
*/
#ifndef _LINUX_SRCU_TREE_H
@@ -45,13 +32,14 @@
unsigned long srcu_gp_seq_needed; /* Furthest future GP needed. */
unsigned long srcu_gp_seq_needed_exp; /* Furthest future exp GP. */
bool srcu_cblist_invoking; /* Invoking these CBs? */
- struct delayed_work work; /* Context for CB invoking. */
+ struct timer_list delay_work; /* Delay for CB invoking */
+ struct work_struct work; /* Context for CB invoking. */
struct rcu_head srcu_barrier_head; /* For srcu_barrier() use. */
struct srcu_node *mynode; /* Leaf srcu_node. */
unsigned long grpmask; /* Mask for leaf srcu_node */
/* ->srcu_data_have_cbs[]. */
int cpu;
- struct srcu_struct *sp;
+ struct srcu_struct *ssp;
};
/*
@@ -105,12 +93,13 @@
#define SRCU_STATE_SCAN2 2
#define __SRCU_STRUCT_INIT(name, pcpu_name) \
- { \
- .sda = &pcpu_name, \
- .lock = __SPIN_LOCK_UNLOCKED(name.lock), \
- .srcu_gp_seq_needed = 0 - 1, \
- __SRCU_DEP_MAP_INIT(name) \
- }
+{ \
+ .sda = &pcpu_name, \
+ .lock = __SPIN_LOCK_UNLOCKED(name.lock), \
+ .srcu_gp_seq_needed = -1UL, \
+ .work = __DELAYED_WORK_INITIALIZER(name.work, NULL, 0), \
+ __SRCU_DEP_MAP_INIT(name) \
+}
/*
* Define and initialize a srcu struct at build time.
@@ -131,14 +120,22 @@
*
* See include/linux/percpu-defs.h for the rules on per-CPU variables.
*/
-#define __DEFINE_SRCU(name, is_static) \
- static DEFINE_PER_CPU(struct srcu_data, name##_srcu_data);\
- is_static struct srcu_struct name = __SRCU_STRUCT_INIT(name, name##_srcu_data)
+#ifdef MODULE
+# define __DEFINE_SRCU(name, is_static) \
+ is_static struct srcu_struct name; \
+ struct srcu_struct * const __srcu_struct_##name \
+ __section("___srcu_struct_ptrs") = &name
+#else
+# define __DEFINE_SRCU(name, is_static) \
+ static DEFINE_PER_CPU(struct srcu_data, name##_srcu_data); \
+ is_static struct srcu_struct name = \
+ __SRCU_STRUCT_INIT(name, name##_srcu_data)
+#endif
#define DEFINE_SRCU(name) __DEFINE_SRCU(name, /* not static */)
#define DEFINE_STATIC_SRCU(name) __DEFINE_SRCU(name, static)
-void synchronize_srcu_expedited(struct srcu_struct *sp);
-void srcu_barrier(struct srcu_struct *sp);
-void srcu_torture_stats_print(struct srcu_struct *sp, char *tt, char *tf);
+void synchronize_srcu_expedited(struct srcu_struct *ssp);
+void srcu_barrier(struct srcu_struct *ssp);
+void srcu_torture_stats_print(struct srcu_struct *ssp, char *tt, char *tf);
#endif
--
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