From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/include/linux/seqlock.h | 104 ++++++++++++++++++++++++++--------------------------
1 files changed, 52 insertions(+), 52 deletions(-)
diff --git a/kernel/include/linux/seqlock.h b/kernel/include/linux/seqlock.h
index 1ac20d7..0928a60 100644
--- a/kernel/include/linux/seqlock.h
+++ b/kernel/include/linux/seqlock.h
@@ -307,10 +307,10 @@
__seqprop_case((s), mutex, prop), \
__seqprop_case((s), ww_mutex, prop))
-#define __seqcount_ptr(s) __seqprop(s, ptr)
-#define __seqcount_sequence(s) __seqprop(s, sequence)
-#define __seqcount_lock_preemptible(s) __seqprop(s, preemptible)
-#define __seqcount_assert_lock_held(s) __seqprop(s, assert)
+#define seqprop_ptr(s) __seqprop(s, ptr)
+#define seqprop_sequence(s) __seqprop(s, sequence)
+#define seqprop_preemptible(s) __seqprop(s, preemptible)
+#define seqprop_assert(s) __seqprop(s, assert)
/**
* __read_seqcount_begin() - begin a seqcount_t read section w/o barrier
@@ -328,13 +328,13 @@
*/
#define __read_seqcount_begin(s) \
({ \
- unsigned seq; \
+ unsigned __seq; \
\
- while ((seq = __seqcount_sequence(s)) & 1) \
+ while ((__seq = seqprop_sequence(s)) & 1) \
cpu_relax(); \
\
kcsan_atomic_next(KCSAN_SEQLOCK_REGION_MAX); \
- seq; \
+ __seq; \
})
/**
@@ -345,10 +345,10 @@
*/
#define raw_read_seqcount_begin(s) \
({ \
- unsigned seq = __read_seqcount_begin(s); \
+ unsigned _seq = __read_seqcount_begin(s); \
\
smp_rmb(); \
- seq; \
+ _seq; \
})
/**
@@ -359,7 +359,7 @@
*/
#define read_seqcount_begin(s) \
({ \
- seqcount_lockdep_reader_access(__seqcount_ptr(s)); \
+ seqcount_lockdep_reader_access(seqprop_ptr(s)); \
raw_read_seqcount_begin(s); \
})
@@ -376,11 +376,11 @@
*/
#define raw_read_seqcount(s) \
({ \
- unsigned seq = __seqcount_sequence(s); \
+ unsigned __seq = seqprop_sequence(s); \
\
smp_rmb(); \
kcsan_atomic_next(KCSAN_SEQLOCK_REGION_MAX); \
- seq; \
+ __seq; \
})
/**
@@ -425,9 +425,9 @@
* Return: true if a read section retry is required, else false
*/
#define __read_seqcount_retry(s, start) \
- __read_seqcount_t_retry(__seqcount_ptr(s), start)
+ do___read_seqcount_retry(seqprop_ptr(s), start)
-static inline int __read_seqcount_t_retry(const seqcount_t *s, unsigned start)
+static inline int do___read_seqcount_retry(const seqcount_t *s, unsigned start)
{
kcsan_atomic_next(0);
return unlikely(READ_ONCE(s->sequence) != start);
@@ -445,12 +445,12 @@
* Return: true if a read section retry is required, else false
*/
#define read_seqcount_retry(s, start) \
- read_seqcount_t_retry(__seqcount_ptr(s), start)
+ do_read_seqcount_retry(seqprop_ptr(s), start)
-static inline int read_seqcount_t_retry(const seqcount_t *s, unsigned start)
+static inline int do_read_seqcount_retry(const seqcount_t *s, unsigned start)
{
smp_rmb();
- return __read_seqcount_t_retry(s, start);
+ return do___read_seqcount_retry(s, start);
}
/**
@@ -459,13 +459,13 @@
*/
#define raw_write_seqcount_begin(s) \
do { \
- if (__seqcount_lock_preemptible(s)) \
+ if (seqprop_preemptible(s)) \
preempt_disable(); \
\
- raw_write_seqcount_t_begin(__seqcount_ptr(s)); \
+ do_raw_write_seqcount_begin(seqprop_ptr(s)); \
} while (0)
-static inline void raw_write_seqcount_t_begin(seqcount_t *s)
+static inline void do_raw_write_seqcount_begin(seqcount_t *s)
{
kcsan_nestable_atomic_begin();
s->sequence++;
@@ -478,13 +478,13 @@
*/
#define raw_write_seqcount_end(s) \
do { \
- raw_write_seqcount_t_end(__seqcount_ptr(s)); \
+ do_raw_write_seqcount_end(seqprop_ptr(s)); \
\
- if (__seqcount_lock_preemptible(s)) \
+ if (seqprop_preemptible(s)) \
preempt_enable(); \
} while (0)
-static inline void raw_write_seqcount_t_end(seqcount_t *s)
+static inline void do_raw_write_seqcount_end(seqcount_t *s)
{
smp_wmb();
s->sequence++;
@@ -501,18 +501,18 @@
*/
#define write_seqcount_begin_nested(s, subclass) \
do { \
- __seqcount_assert_lock_held(s); \
+ seqprop_assert(s); \
\
- if (__seqcount_lock_preemptible(s)) \
+ if (seqprop_preemptible(s)) \
preempt_disable(); \
\
- write_seqcount_t_begin_nested(__seqcount_ptr(s), subclass); \
+ do_write_seqcount_begin_nested(seqprop_ptr(s), subclass); \
} while (0)
-static inline void write_seqcount_t_begin_nested(seqcount_t *s, int subclass)
+static inline void do_write_seqcount_begin_nested(seqcount_t *s, int subclass)
{
- raw_write_seqcount_t_begin(s);
seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_);
+ do_raw_write_seqcount_begin(s);
}
/**
@@ -528,17 +528,17 @@
*/
#define write_seqcount_begin(s) \
do { \
- __seqcount_assert_lock_held(s); \
+ seqprop_assert(s); \
\
- if (__seqcount_lock_preemptible(s)) \
+ if (seqprop_preemptible(s)) \
preempt_disable(); \
\
- write_seqcount_t_begin(__seqcount_ptr(s)); \
+ do_write_seqcount_begin(seqprop_ptr(s)); \
} while (0)
-static inline void write_seqcount_t_begin(seqcount_t *s)
+static inline void do_write_seqcount_begin(seqcount_t *s)
{
- write_seqcount_t_begin_nested(s, 0);
+ do_write_seqcount_begin_nested(s, 0);
}
/**
@@ -549,16 +549,16 @@
*/
#define write_seqcount_end(s) \
do { \
- write_seqcount_t_end(__seqcount_ptr(s)); \
+ do_write_seqcount_end(seqprop_ptr(s)); \
\
- if (__seqcount_lock_preemptible(s)) \
+ if (seqprop_preemptible(s)) \
preempt_enable(); \
} while (0)
-static inline void write_seqcount_t_end(seqcount_t *s)
+static inline void do_write_seqcount_end(seqcount_t *s)
{
seqcount_release(&s->dep_map, _RET_IP_);
- raw_write_seqcount_t_end(s);
+ do_raw_write_seqcount_end(s);
}
/**
@@ -603,9 +603,9 @@
* }
*/
#define raw_write_seqcount_barrier(s) \
- raw_write_seqcount_t_barrier(__seqcount_ptr(s))
+ do_raw_write_seqcount_barrier(seqprop_ptr(s))
-static inline void raw_write_seqcount_t_barrier(seqcount_t *s)
+static inline void do_raw_write_seqcount_barrier(seqcount_t *s)
{
kcsan_nestable_atomic_begin();
s->sequence++;
@@ -623,9 +623,9 @@
* will complete successfully and see data older than this.
*/
#define write_seqcount_invalidate(s) \
- write_seqcount_t_invalidate(__seqcount_ptr(s))
+ do_write_seqcount_invalidate(seqprop_ptr(s))
-static inline void write_seqcount_t_invalidate(seqcount_t *s)
+static inline void do_write_seqcount_invalidate(seqcount_t *s)
{
smp_wmb();
kcsan_nestable_atomic_begin();
@@ -862,9 +862,9 @@
}
/*
- * For all seqlock_t write side functions, use write_seqcount_*t*_begin()
- * instead of the generic write_seqcount_begin(). This way, no redundant
- * lockdep_assert_held() checks are added.
+ * For all seqlock_t write side functions, use the the internal
+ * do_write_seqcount_begin() instead of generic write_seqcount_begin().
+ * This way, no redundant lockdep_assert_held() checks are added.
*/
/**
@@ -883,7 +883,7 @@
static inline void write_seqlock(seqlock_t *sl)
{
spin_lock(&sl->lock);
- write_seqcount_t_begin(&sl->seqcount.seqcount);
+ do_write_seqcount_begin(&sl->seqcount.seqcount);
}
/**
@@ -895,7 +895,7 @@
*/
static inline void write_sequnlock(seqlock_t *sl)
{
- write_seqcount_t_end(&sl->seqcount.seqcount);
+ do_write_seqcount_end(&sl->seqcount.seqcount);
spin_unlock(&sl->lock);
}
@@ -909,7 +909,7 @@
static inline void write_seqlock_bh(seqlock_t *sl)
{
spin_lock_bh(&sl->lock);
- write_seqcount_t_begin(&sl->seqcount.seqcount);
+ do_write_seqcount_begin(&sl->seqcount.seqcount);
}
/**
@@ -922,7 +922,7 @@
*/
static inline void write_sequnlock_bh(seqlock_t *sl)
{
- write_seqcount_t_end(&sl->seqcount.seqcount);
+ do_write_seqcount_end(&sl->seqcount.seqcount);
spin_unlock_bh(&sl->lock);
}
@@ -936,7 +936,7 @@
static inline void write_seqlock_irq(seqlock_t *sl)
{
spin_lock_irq(&sl->lock);
- write_seqcount_t_begin(&sl->seqcount.seqcount);
+ do_write_seqcount_begin(&sl->seqcount.seqcount);
}
/**
@@ -948,7 +948,7 @@
*/
static inline void write_sequnlock_irq(seqlock_t *sl)
{
- write_seqcount_t_end(&sl->seqcount.seqcount);
+ do_write_seqcount_end(&sl->seqcount.seqcount);
spin_unlock_irq(&sl->lock);
}
@@ -957,7 +957,7 @@
unsigned long flags;
spin_lock_irqsave(&sl->lock, flags);
- write_seqcount_t_begin(&sl->seqcount.seqcount);
+ do_write_seqcount_begin(&sl->seqcount.seqcount);
return flags;
}
@@ -986,7 +986,7 @@
static inline void
write_sequnlock_irqrestore(seqlock_t *sl, unsigned long flags)
{
- write_seqcount_t_end(&sl->seqcount.seqcount);
+ do_write_seqcount_end(&sl->seqcount.seqcount);
spin_unlock_irqrestore(&sl->lock, flags);
}
--
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