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authorLinus Torvalds <torvalds@linux-foundation.org>2024-11-27 11:19:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-11-27 11:19:09 -0800
commit91dbbe6c9ffe5eded9a3e75d773ff92da8d2bc57 (patch)
tree30c98b08c3906a35d34327eff7725618c9045588 /include/asm-generic/qspinlock.h
parentc94696977527f69cbb41aa6a9af9d1991895d002 (diff)
parent8d4f1e05ff821a5d59116ab8c3a30fcae81d8597 (diff)
Merge tag 'riscv-for-linus-6.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-v updates from Palmer Dabbelt: - Support for pointer masking in userspace - Support for probing vector misaligned access performance - Support for qspinlock on systems with Zacas and Zabha * tag 'riscv-for-linus-6.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (38 commits) RISC-V: Remove unnecessary include from compat.h riscv: Fix default misaligned access trap riscv: Add qspinlock support dt-bindings: riscv: Add Ziccrse ISA extension description riscv: Add ISA extension parsing for Ziccrse asm-generic: ticket-lock: Add separate ticket-lock.h asm-generic: ticket-lock: Reuse arch_spinlock_t of qspinlock riscv: Implement xchg8/16() using Zabha riscv: Implement arch_cmpxchg128() using Zacas riscv: Improve zacas fully-ordered cmpxchg() riscv: Implement cmpxchg8/16() using Zabha dt-bindings: riscv: Add Zabha ISA extension description riscv: Implement cmpxchg32/64() using Zacas riscv: Do not fail to build on byte/halfword operations with Zawrs riscv: Move cpufeature.h macros into their own header KVM: riscv: selftests: Add Smnpm and Ssnpm to get-reg-list test RISC-V: KVM: Allow Smnpm and Ssnpm extensions for guests riscv: hwprobe: Export the Supm ISA extension riscv: selftests: Add a pointer masking test riscv: Allow ptrace control of the tagged address ABI ...
Diffstat (limited to 'include/asm-generic/qspinlock.h')
-rw-r--r--include/asm-generic/qspinlock.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h
index 0655aa5b57b2..bf47cca2c375 100644
--- a/include/asm-generic/qspinlock.h
+++ b/include/asm-generic/qspinlock.h
@@ -136,6 +136,7 @@ static __always_inline bool virt_spin_lock(struct qspinlock *lock)
}
#endif
+#ifndef __no_arch_spinlock_redefine
/*
* Remapping spinlock architecture specific functions to the corresponding
* queued spinlock functions.
@@ -146,5 +147,6 @@ static __always_inline bool virt_spin_lock(struct qspinlock *lock)
#define arch_spin_lock(l) queued_spin_lock(l)
#define arch_spin_trylock(l) queued_spin_trylock(l)
#define arch_spin_unlock(l) queued_spin_unlock(l)
+#endif
#endif /* __ASM_GENERIC_QSPINLOCK_H */