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
via.h
/* SPDX-License-Identifier: GPL-2.0 */
/* Miscellaneous definitions for VIA chipsets
Currently used only by drivers/parport/parport_pc.c */
/* Values for SuperIO function select configuration register */
#define VIA_FUNCTION_PARPORT_SPP 0x00
#define VIA_FUNCTION_PARPORT_ECP 0x01
#define VIA_FUNCTION_PARPORT_EPP 0x02
#define VIA_FUNCTION_PARPORT_DISABLE 0x03
#define VIA_FUNCTION_PROBE 0xFF /* Special magic value to be used in code, not to be written into chip */
/* Bits for parallel port mode configuration register */
#define VIA_PARPORT_ECPEPP 0X20
#define VIA_PARPORT_BIDIR 0x80
/* VIA configuration registers */
#define VIA_CONFIG_INDEX 0x3F0
#define VIA_CONFIG_DATA 0x3F1
/* Mask for parallel port IRQ bits (in ISA PnP IRQ routing register 1) */
#define VIA_IRQCONTROL_PARALLEL 0xF0
/* Mask for parallel port DMA bits (in ISA PnP DMA routing register) */
#define VIA_DMACONTROL_PARALLEL 0x0C
Computing file changes ...
