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authorChristian König <christian.koenig@amd.com>2022-04-07 10:20:55 +0200
committerChristian König <christian.koenig@amd.com>2022-04-07 12:53:54 +0200
commite84815cbbc767617221e6891e77f2486c9199dfa (patch)
treea919655102ce5d470d21c3fb0db793c08a118801 /include/linux
parent8f94eda39952a8c7323bad2bf752bdfe78101b20 (diff)
seqlock: drop seqcount_ww_mutex_t
Daniel pointed out that this series removes the last user of seqcount_ww_mutex_t, so let's drop this. Signed-off-by: Christian König <christian.koenig@amd.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Will Deacon <will@kernel.org> Cc: Waiman Long <longman@redhat.com> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: linux-kernel@vger.kernel.org Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220407085946.744568-16-christian.koenig@amd.com
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/seqlock.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 37ded6b8fee6..3926e9027947 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -17,7 +17,6 @@
#include <linux/kcsan-checks.h>
#include <linux/lockdep.h>
#include <linux/mutex.h>
-#include <linux/ww_mutex.h>
#include <linux/preempt.h>
#include <linux/spinlock.h>
@@ -164,7 +163,7 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s)
* static initializer or init function. This enables lockdep to validate
* that the write side critical section is properly serialized.
*
- * LOCKNAME: raw_spinlock, spinlock, rwlock, mutex, or ww_mutex.
+ * LOCKNAME: raw_spinlock, spinlock, rwlock or mutex
*/
/*
@@ -184,7 +183,6 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s)
#define seqcount_spinlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, spinlock)
#define seqcount_rwlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, rwlock)
#define seqcount_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, mutex)
-#define seqcount_ww_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, ww_mutex)
/*
* SEQCOUNT_LOCKNAME() - Instantiate seqcount_LOCKNAME_t and helpers
@@ -277,7 +275,6 @@ SEQCOUNT_LOCKNAME(raw_spinlock, raw_spinlock_t, false, s->lock, raw_s
SEQCOUNT_LOCKNAME(spinlock, spinlock_t, __SEQ_RT, s->lock, spin, spin_lock(s->lock))
SEQCOUNT_LOCKNAME(rwlock, rwlock_t, __SEQ_RT, s->lock, read, read_lock(s->lock))
SEQCOUNT_LOCKNAME(mutex, struct mutex, true, s->lock, mutex, mutex_lock(s->lock))
-SEQCOUNT_LOCKNAME(ww_mutex, struct ww_mutex, true, &s->lock->base, ww_mutex, ww_mutex_lock(s->lock, NULL))
/*
* SEQCNT_LOCKNAME_ZERO - static initializer for seqcount_LOCKNAME_t
@@ -304,8 +301,7 @@ SEQCOUNT_LOCKNAME(ww_mutex, struct ww_mutex, true, &s->lock->base, ww_mu
__seqprop_case((s), raw_spinlock, prop), \
__seqprop_case((s), spinlock, prop), \
__seqprop_case((s), rwlock, prop), \
- __seqprop_case((s), mutex, prop), \
- __seqprop_case((s), ww_mutex, prop))
+ __seqprop_case((s), mutex, prop))
#define seqprop_ptr(s) __seqprop(s, ptr)
#define seqprop_sequence(s) __seqprop(s, sequence)