diff options
Diffstat (limited to 'kernel/bpf/percpu_freelist.h')
| -rw-r--r-- | kernel/bpf/percpu_freelist.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/bpf/percpu_freelist.h b/kernel/bpf/percpu_freelist.h index 3049aae8ea1e..914798b74967 100644 --- a/kernel/bpf/percpu_freelist.h +++ b/kernel/bpf/percpu_freelist.h @@ -1,17 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #ifndef __PERCPU_FREELIST_H__ #define __PERCPU_FREELIST_H__ #include <linux/spinlock.h> #include <linux/percpu.h> +#include <asm/rqspinlock.h> struct pcpu_freelist_head { struct pcpu_freelist_node *first; - raw_spinlock_t lock; + rqspinlock_t lock; }; struct pcpu_freelist { @@ -22,8 +20,12 @@ struct pcpu_freelist_node { struct pcpu_freelist_node *next; }; +/* pcpu_freelist_* do spin_lock_irqsave. */ void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *); struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *); +/* __pcpu_freelist_* do spin_lock only. caller must disable irqs. */ +void __pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *); +struct pcpu_freelist_node *__pcpu_freelist_pop(struct pcpu_freelist *); void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size, u32 nr_elems); int pcpu_freelist_init(struct pcpu_freelist *); |