Le 21/12/2020 à 08:42, Cédric Le Goater a écrit :
It fixes this W=1 compile error :

../arch/powerpc/kernel/watchdog.c:250:6: error: no previous prototype for 
‘soft_nmi_interrupt’ [-Werror=missing-prototypes]
   250 | void soft_nmi_interrupt(struct pt_regs *regs)
       |      ^~~~~~~~~~~~~~~~~~

Cc: Nicholas Piggin <npig...@gmail.com>
Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
  arch/powerpc/include/asm/asm-prototypes.h | 1 +

This is a misuse of asm/asm-prototypes.h

This file is for prototypes of ASM functions.

See discussion at https://patchwork.ozlabs.org/project/linuxppc-dev/patch/1463534212-4879-2-git-send-email-...@axtens.net/


  arch/powerpc/kernel/watchdog.c            | 1 +
  2 files changed, 2 insertions(+)

diff --git a/arch/powerpc/include/asm/asm-prototypes.h 
b/arch/powerpc/include/asm/asm-prototypes.h
index d0b832cbbec8..0f39eefbd5a5 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -84,6 +84,7 @@ void machine_check_exception(struct pt_regs *regs);
  void emulation_assist_interrupt(struct pt_regs *regs);
  long do_slb_fault(struct pt_regs *regs, unsigned long ea);
  void do_bad_slb_fault(struct pt_regs *regs, unsigned long ea, long err);
+void soft_nmi_interrupt(struct pt_regs *regs);
/* signals, syscalls and interrupts */
  long sys_swapcontext(struct ucontext __user *old_ctx,
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index af3c15a1d41e..855716f563ac 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -27,6 +27,7 @@
  #include <linux/smp.h>
#include <asm/paca.h>
+#include <asm/asm-prototypes.h>
/*
   * The powerpc watchdog ensures that each CPU is able to service timers.

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