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authorThomas Zimmermann <tzimmermann@suse.de>2025-08-11 14:37:45 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-08-11 14:37:45 +0200
commit08c51f5bddc81c8c97c1eb11861b0dc009e5ccd8 (patch)
treee40424bafb75c8661afbdb55cfd52d7e0c133023 /include/linux/srcutree.h
parent1bf30a45653d14b0d88b5ca3c72e0ecf030d9c88 (diff)
parent8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff)
Merge drm/drm-next into drm-misc-n
Updating drm-misc-next to the state of v6.17-rc1. Begins a new release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/srcutree.h')
-rw-r--r--include/linux/srcutree.h38
1 files changed, 0 insertions, 38 deletions
diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h
index 8bed7e6cc4c1..bf44d8d1e69e 100644
--- a/include/linux/srcutree.h
+++ b/include/linux/srcutree.h
@@ -278,44 +278,6 @@ static inline void __srcu_read_unlock_fast(struct srcu_struct *ssp, struct srcu_
RCU_LOCKDEP_WARN(!rcu_is_watching(), "RCU must be watching srcu_read_unlock_fast().");
}
-/*
- * Counts the new reader in the appropriate per-CPU element of the
- * srcu_struct. Returns an index that must be passed to the matching
- * srcu_read_unlock_lite().
- *
- * Note that this_cpu_inc() is an RCU read-side critical section either
- * because it disables interrupts, because it is a single instruction,
- * or because it is a read-modify-write atomic operation, depending on
- * the whims of the architecture.
- */
-static inline int __srcu_read_lock_lite(struct srcu_struct *ssp)
-{
- struct srcu_ctr __percpu *scp = READ_ONCE(ssp->srcu_ctrp);
-
- RCU_LOCKDEP_WARN(!rcu_is_watching(), "RCU must be watching srcu_read_lock_lite().");
- this_cpu_inc(scp->srcu_locks.counter); /* Y */
- barrier(); /* Avoid leaking the critical section. */
- return __srcu_ptr_to_ctr(ssp, scp);
-}
-
-/*
- * Removes the count for the old reader from the appropriate
- * per-CPU element of the srcu_struct. Note that this may well be a
- * different CPU than that which was incremented by the corresponding
- * srcu_read_lock_lite(), but it must be within the same task.
- *
- * Note that this_cpu_inc() is an RCU read-side critical section either
- * because it disables interrupts, because it is a single instruction,
- * or because it is a read-modify-write atomic operation, depending on
- * the whims of the architecture.
- */
-static inline void __srcu_read_unlock_lite(struct srcu_struct *ssp, int idx)
-{
- barrier(); /* Avoid leaking the critical section. */
- this_cpu_inc(__srcu_ctr_to_ptr(ssp, idx)->srcu_unlocks.counter); /* Z */
- RCU_LOCKDEP_WARN(!rcu_is_watching(), "RCU must be watching srcu_read_unlock_lite().");
-}
-
void __srcu_check_read_flavor(struct srcu_struct *ssp, int read_flavor);
// Record reader usage even for CONFIG_PROVE_RCU=n kernels. This is