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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/locking/spinlock.c
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@@ -22,6 +22,13 @@
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 #include <linux/debug_locks.h>
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 #include <linux/export.h>
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+#ifdef CONFIG_MMIOWB
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+#ifndef arch_mmiowb_state
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+DEFINE_PER_CPU(struct mmiowb_state, __mmiowb_state);
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+EXPORT_PER_CPU_SYMBOL(__mmiowb_state);
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+#endif
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+#endif
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+
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 /*
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  * If lockdep is enabled then we use the non-preemption spin-ops
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  * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
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@@ -118,7 +125,7 @@
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  */
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 BUILD_LOCK_OPS(spin, raw_spinlock);
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-#ifndef CONFIG_PREEMPT_RT_FULL
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+#ifndef CONFIG_PREEMPT_RT
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 BUILD_LOCK_OPS(read, rwlock);
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 BUILD_LOCK_OPS(write, rwlock);
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 #endif
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@@ -205,7 +212,7 @@
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 EXPORT_SYMBOL(_raw_spin_unlock_bh);
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 #endif
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-#ifndef CONFIG_PREEMPT_RT_FULL
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+#ifndef CONFIG_PREEMPT_RT
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 #ifndef CONFIG_INLINE_READ_TRYLOCK
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 int __lockfunc _raw_read_trylock(rwlock_t *lock)
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@@ -351,7 +358,7 @@
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 EXPORT_SYMBOL(_raw_write_unlock_bh);
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 #endif
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-#endif /* !PREEMPT_RT_FULL */
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+#endif /* !PREEMPT_RT */
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 #ifdef CONFIG_DEBUG_LOCK_ALLOC
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