Commit 21db4036 authored by Palmer Dabbelt's avatar Palmer Dabbelt

RISC-V: Add READ_ONCE in arch_spin_is_locked()

This was just incorrect in the original version.
Signed-off-by: 's avatarPalmer Dabbelt <palmer@sifive.com>
parent 9347ce54
......@@ -24,7 +24,7 @@
/* FIXME: Replace this with a ticket lock, like MIPS. */
#define arch_spin_is_locked(x) ((x)->lock != 0)
#define arch_spin_is_locked(x) (READ_ONCE((x)->lock) != 0)
static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
......
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