asm-generic: ticket-lock: Add separate ticket-lock.h
authorGuo Ren <guoren@linux.alibaba.com>
Sun, 3 Nov 2024 14:51:50 +0000 (15:51 +0100)
committerPalmer Dabbelt <palmer@rivosinc.com>
Mon, 11 Nov 2024 15:33:17 +0000 (07:33 -0800)
commit22c33321e260c8b4c1877b2cc0c4e26a0c74c23f
tree8f775ac6323bf56a7da32acaa582a16282cac000
parentcbe82e140bb76e1aa9f808cc841654a25b70d4e5
asm-generic: ticket-lock: Add separate ticket-lock.h

Add a separate ticket-lock.h to include multiple spinlock versions and
select one at compile time or runtime.

Reviewed-by: Leonardo Bras <leobras@redhat.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/linux-riscv/CAK8P3a2rnz9mQqhN6-e0CGUUv9rntRELFdxt_weiD7FxH7fkfQ@mail.gmail.com/
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Link: https://lore.kernel.org/r/20241103145153.105097-11-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
include/asm-generic/spinlock.h
include/asm-generic/ticket_spinlock.h [new file with mode: 0644]