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mips: add missing declarations for trap handlers

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These exception handlers are all called from assembly code, so they don't
normally need a declaration, but without one we now get warnings:

arch/mips/mm/fault.c:323:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:447:17: error: no previous prototype for 'do_be' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:752:17: error: no previous prototype for 'do_ov' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:874:17: error: no previous prototype for 'do_fpe' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1027:17: error: no previous prototype for 'do_bp' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1114:17: error: no previous prototype for 'do_tr' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1151:17: error: no previous prototype for 'do_ri' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1402:17: error: no previous prototype for 'do_cpu' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1507:17: error: no previous prototype for 'do_msa_fpe' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1527:17: error: no previous prototype for 'do_msa' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1548:17: error: no previous prototype for 'do_mdmx' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1560:17: error: no previous prototype for 'do_watch' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1587:17: error: no previous prototype for 'do_mcheck' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1612:17: error: no previous prototype for 'do_mt' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1648:17: error: no previous prototype for 'do_dsp' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1656:17: error: no previous prototype for 'do_reserved' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1832:17: error: no previous prototype for 'cache_parity_error' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1880:17: error: no previous prototype for 'do_ftlb' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1909:17: error: no previous prototype for 'do_gsexc' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1944:6: error: no previous prototype for 'ejtag_exception_handler' [-Werror=missing-prototypes]
arch/mips/kernel/traps.c:1989:17: error: no previous prototype for 'nmi_exception_handler' [-Werror=missing-prototypes]
arch/mips/kernel/unaligned.c:1516:17: error: no previous prototype for 'do_ade' [-Werror=missing-prototypes]

Link: https://lkml.kernel.org/r/20231204115710.2247097-4-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Stephen Rothwell <sfr@rothwell.id.au>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Arnd Bergmann 2023-12-04 12:56:53 +01:00 committed by Andrew Morton
parent be018aaa15
commit 09fc778e1b
4 changed files with 27 additions and 0 deletions
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24
arch/mips/include/asm/traps.h
View file

@ -39,4 +39,28 @@ extern char except_vec_nmi[];
register_nmi_notifier(&fn##_nb); \
})
asmlinkage void do_ade(struct pt_regs *regs);
asmlinkage void do_be(struct pt_regs *regs);
asmlinkage void do_ov(struct pt_regs *regs);
asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31);
asmlinkage void do_bp(struct pt_regs *regs);
asmlinkage void do_tr(struct pt_regs *regs);
asmlinkage void do_ri(struct pt_regs *regs);
asmlinkage void do_cpu(struct pt_regs *regs);
asmlinkage void do_msa_fpe(struct pt_regs *regs, unsigned int msacsr);
asmlinkage void do_msa(struct pt_regs *regs);
asmlinkage void do_mdmx(struct pt_regs *regs);
asmlinkage void do_watch(struct pt_regs *regs);
asmlinkage void do_mcheck(struct pt_regs *regs);
asmlinkage void do_mt(struct pt_regs *regs);
asmlinkage void do_dsp(struct pt_regs *regs);
asmlinkage void do_reserved(struct pt_regs *regs);
asmlinkage void do_ftlb(void);
asmlinkage void do_gsexc(struct pt_regs *regs, u32 diag1);
asmlinkage void do_daddi_ov(struct pt_regs *regs);
asmlinkage void cache_parity_error(void);
asmlinkage void ejtag_exception_handler(struct pt_regs *regs);
asmlinkage void __noreturn nmi_exception_handler(struct pt_regs *regs);
#endif /* _ASM_TRAPS_H */

1
arch/mips/kernel/r4k-bugs64.c
View file

@ -14,6 +14,7 @@
#include <asm/fpu.h>
#include <asm/mipsregs.h>
#include <asm/setup.h>
#include <asm/traps.h>
static char bug64hit[] __initdata =
"reliable operation impossible!\n%s";

1
arch/mips/kernel/unaligned.c
View file

@ -91,6 +91,7 @@
#include <asm/inst.h>
#include <asm/unaligned-emul.h>
#include <asm/mmu_context.h>
#include <asm/traps.h>
#include <linux/uaccess.h>
#include "access-helper.h"

1
arch/mips/mm/fault.c
View file

@ -26,6 +26,7 @@
#include <asm/mmu_context.h>
#include <asm/ptrace.h>
#include <asm/highmem.h> /* For VMALLOC_END */
#include <asm/traps.h>
#include <linux/kdebug.h>
int show_unhandled_signals = 1;