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
vt.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_VT_H
#define _LINUX_VT_H
#include <uapi/linux/vt.h>
/* Virtual Terminal events. */
#define VT_ALLOCATE 0x0001 /* Console got allocated */
#define VT_DEALLOCATE 0x0002 /* Console will be deallocated */
#define VT_WRITE 0x0003 /* A char got output */
#define VT_UPDATE 0x0004 /* A bigger update occurred */
#define VT_PREWRITE 0x0005 /* A char is about to be written to the console */
#ifdef CONFIG_VT_CONSOLE
extern int vt_kmsg_redirect(int new);
#else
static inline int vt_kmsg_redirect(int new)
{
return 0;
}
#endif
#endif /* _LINUX_VT_H */
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