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Revision cce67b6bedd3e28939446508ebd94d91305b8ace authored by Linus Torvalds on 16 September 2023, 18:37:11 UTC, committed by Linus Torvalds on 16 September 2023, 18:37:11 UTC 
Merge tag 'usb-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
 
Pull USB fix from Greg KH:
 "Here is a single USB fix for a much-reported regression for 6.6-rc1.

  It resolves a crash in the typec debugfs code for many systems. It's
  been in linux-next with no reported issues, and many people have
  reported it resolving their problem with 6.6-rc1"

* tag 'usb-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: ucsi: Fix NULL pointer dereference
2 parent s 205d049 + f26a679
Raw File
percpu_freelist.h 
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2016 Facebook
 */
#ifndef __PERCPU_FREELIST_H__
#define __PERCPU_FREELIST_H__
#include <linux/spinlock.h>
#include <linux/percpu.h>

struct pcpu_freelist_head {
	struct pcpu_freelist_node *first;
	raw_spinlock_t lock;
};

struct pcpu_freelist {
	struct pcpu_freelist_head __percpu *freelist;
	struct pcpu_freelist_head extralist;
};

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 *);
void pcpu_freelist_destroy(struct pcpu_freelist *s);
#endif
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