diff options
| author | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2025-03-15 21:05:17 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-03-18 10:28:21 -0700 |
| commit | 8707d1eedcfbe85c4ff5191e233ddff01d39f4ba (patch) | |
| tree | 23df374eb81e2b22dc99be576e1d637368824f4a /include/asm-generic | |
| parent | ae0a457f5d33c336f3c4259a258f8b537531a04b (diff) | |
locking: Move MCS struct definition to public header
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>
Link: https://lore.kernel.org/r/20250316040541.108729-2-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/mcs_spinlock.h | 6 |
1 files changed, 6 insertions, 0 deletions
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: * |