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In preparation for marking panic_smp_self_stop() __noreturn across the kernel, first mark the arm64 implementation of cpu_park_loop() and related functions __noreturn. Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/55787d3193ea3e295ccbb097abfab0a10ae49d45.1681342859.git.jpoimboe@kernel.org
84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Based on arch/arm/include/asm/exception.h
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*
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* Copyright (C) 2012 ARM Ltd.
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*/
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#ifndef __ASM_EXCEPTION_H
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#define __ASM_EXCEPTION_H
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#include <asm/esr.h>
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#include <asm/kprobes.h>
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#include <asm/ptrace.h>
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#include <linux/interrupt.h>
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#ifdef CONFIG_FUNCTION_GRAPH_TRACER
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#define __exception_irq_entry __irq_entry
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#else
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#define __exception_irq_entry __kprobes
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#endif
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static inline unsigned long disr_to_esr(u64 disr)
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{
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unsigned long esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
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if ((disr & DISR_EL1_IDS) == 0)
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esr |= (disr & DISR_EL1_ESR_MASK);
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else
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esr |= (disr & ESR_ELx_ISS_MASK);
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return esr;
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}
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asmlinkage void __noreturn handle_bad_stack(struct pt_regs *regs);
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asmlinkage void el1t_64_sync_handler(struct pt_regs *regs);
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asmlinkage void el1t_64_irq_handler(struct pt_regs *regs);
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asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs);
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asmlinkage void el1t_64_error_handler(struct pt_regs *regs);
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asmlinkage void el1h_64_sync_handler(struct pt_regs *regs);
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asmlinkage void el1h_64_irq_handler(struct pt_regs *regs);
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asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs);
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asmlinkage void el1h_64_error_handler(struct pt_regs *regs);
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asmlinkage void el0t_64_sync_handler(struct pt_regs *regs);
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asmlinkage void el0t_64_irq_handler(struct pt_regs *regs);
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asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs);
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asmlinkage void el0t_64_error_handler(struct pt_regs *regs);
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asmlinkage void el0t_32_sync_handler(struct pt_regs *regs);
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asmlinkage void el0t_32_irq_handler(struct pt_regs *regs);
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asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs);
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asmlinkage void el0t_32_error_handler(struct pt_regs *regs);
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asmlinkage void call_on_irq_stack(struct pt_regs *regs,
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void (*func)(struct pt_regs *));
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asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs);
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void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs);
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void do_el0_undef(struct pt_regs *regs, unsigned long esr);
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void do_el1_undef(struct pt_regs *regs, unsigned long esr);
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void do_el0_bti(struct pt_regs *regs);
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void do_el1_bti(struct pt_regs *regs, unsigned long esr);
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void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr,
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struct pt_regs *regs);
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void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs);
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void do_sve_acc(unsigned long esr, struct pt_regs *regs);
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void do_sme_acc(unsigned long esr, struct pt_regs *regs);
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void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs);
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void do_el0_sys(unsigned long esr, struct pt_regs *regs);
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void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs);
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void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr);
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void do_el0_cp15(unsigned long esr, struct pt_regs *regs);
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int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs);
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void do_el0_svc(struct pt_regs *regs);
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void do_el0_svc_compat(struct pt_regs *regs);
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void do_el0_fpac(struct pt_regs *regs, unsigned long esr);
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void do_el1_fpac(struct pt_regs *regs, unsigned long esr);
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void do_serror(struct pt_regs *regs, unsigned long esr);
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void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
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void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
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#endif /* __ASM_EXCEPTION_H */
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