Revision 64b4c411a6c7a5f27555bfc2d6310b87bde3db67 authored by Andrew Morton on 21 October 2022, 04:19:22 UTC, committed by Andrew Morton on 28 October 2022, 20:37:22 UTC
These percpu counters are referenced in free_ipcs->freeque, so destroy
them later.
Fixes: 72d1e611082e ("ipc/msg: mitigate the lock contention with percpu counter")
Reported-by: syzbot+96e659d35b9d6b541152@syzkaller.appspotmail.com
Tested-by: Mark Rutland <mark.rutland@arm.com>
Cc: Jiebin Sun <jiebin.sun@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
1 parent 27d676a
ssbi.h
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2010 Google, Inc.
* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
* Author: Dima Zavin <dima@android.com>
*/
#ifndef _LINUX_SSBI_H
#define _LINUX_SSBI_H
#include <linux/types.h>
int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
static inline int
ssbi_reg_read(void *context, unsigned int reg, unsigned int *val)
{
int ret;
u8 v;
ret = ssbi_read(context, reg, &v, 1);
if (!ret)
*val = v;
return ret;
}
static inline int
ssbi_reg_write(void *context, unsigned int reg, unsigned int val)
{
u8 v = val;
return ssbi_write(context, reg, &v, 1);
}
#endif
Computing file changes ...
