linux_dsm_epyc7002/arch/arm64/include/asm/system_misc.h
Kefeng Wang 6a6a4f1580 arm64: cleanup unused UDBG_* define
The UDBG_UNDEFINED/SYSCALL/BADABORT/SEGV are only used to show
verbose user fault messages in arm, not arm64, drop them.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-08-31 13:45:46 +01:00

62 lines
1.8 KiB
C

/*
* Based on arch/arm/include/asm/system_misc.h
*
* Copyright (C) 2012 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_SYSTEM_MISC_H
#define __ASM_SYSTEM_MISC_H
#ifndef __ASSEMBLY__
#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/irqflags.h>
#include <linux/signal.h>
#include <linux/ratelimit.h>
#include <linux/reboot.h>
struct pt_regs;
void die(const char *msg, struct pt_regs *regs, int err);
struct siginfo;
void arm64_notify_die(const char *str, struct pt_regs *regs,
struct siginfo *info, int err);
void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
struct pt_regs *),
int sig, int code, const char *name);
struct mm_struct;
extern void show_pte(struct mm_struct *mm, unsigned long addr);
extern void __show_regs(struct pt_regs *);
extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
#define show_unhandled_signals_ratelimited() \
({ \
static DEFINE_RATELIMIT_STATE(_rs, \
DEFAULT_RATELIMIT_INTERVAL, \
DEFAULT_RATELIMIT_BURST); \
bool __show_ratelimited = false; \
if (show_unhandled_signals && __ratelimit(&_rs)) \
__show_ratelimited = true; \
__show_ratelimited; \
})
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SYSTEM_MISC_H */