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[bpf-next,v3,01/25] locking: Move MCS struct definition to public header

Message ID 20250303152305.3195648-2-memxor@gmail.com (mailing list archive)
State New
Delegated to: BPF
Headers show
Series Resilient Queued Spin Lock | expand

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Commit Message

Kumar Kartikeya Dwivedi March 3, 2025, 3:22 p.m. UTC 
Move the definition of the struct mcs_spinlock from the private
mcs_spinlock.h header in kernel/locking to the mcs_spinlock.h
asm-generic header, since we will need to reference it from the
qspinlock.h header in subsequent commits.

Reviewed-by: Barret Rhoden <brho@google.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
 include/asm-generic/mcs_spinlock.h | 6 ++++++
 kernel/locking/mcs_spinlock.h      | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/include/asm-generic/mcs_spinlock.h b/include/asm-generic/mcs_spinlock.h
index 10cd4ffc6ba2..39c94012b88a 100644
--- a/include/asm-generic/mcs_spinlock.h
+++ b/include/asm-generic/mcs_spinlock.h
@@ -1,6 +1,12 @@ 
 #ifndef __ASM_MCS_SPINLOCK_H
 #define __ASM_MCS_SPINLOCK_H
 
+struct mcs_spinlock {
+	struct mcs_spinlock *next;
+	int locked; /* 1 if lock acquired */
+	int count;  /* nesting count, see qspinlock.c */
+};
+
 /*
  * Architectures can define their own:
  *
diff --git a/kernel/locking/mcs_spinlock.h b/kernel/locking/mcs_spinlock.h
index 85251d8771d9..16160ca8907f 100644
--- a/kernel/locking/mcs_spinlock.h
+++ b/kernel/locking/mcs_spinlock.h
@@ -15,12 +15,6 @@ 
 
 #include <asm/mcs_spinlock.h>
 
-struct mcs_spinlock {
-	struct mcs_spinlock *next;
-	int locked; /* 1 if lock acquired */
-	int count;  /* nesting count, see qspinlock.c */
-};
-
 #ifndef arch_mcs_spin_lock_contended
 /*
  * Using smp_cond_load_acquire() provides the acquire semantics