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ARM: stacktrace: include asm/sections.h in asm/stacktrace.h

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The recent kstack erase changes appear to have uncovered an existing
issue with a missing header inclusion:

In file included from drivers/misc/lkdtm/kstack_erase.c:12:
In file included from include/linux/kstack_erase.h:16:
arch/arm/include/asm/stacktrace.h:48:21: error: call to undeclared function 'in_entry_text'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   48 |                 frame->ex_frame = in_entry_text(frame->pc);
      |                                   ^

Include asm/sections.h here so the compiler can see the in_entry_text()
declaration.

Fixes: 752ec621ef ("ARM: 9234/1: stacktrace: Avoid duplicate saving of exception PC value")
Cc: Kees Cook <kees@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250807071902.4077714-1-arnd@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
This commit is contained in:
Arnd Bergmann 2025-08-07 09:18:58 +02:00 • committed by Kees Cook
parent ae91aea2d2
commit f05995cc6d
1 changed files with 2 additions and 1 deletions
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3
arch/arm/include/asm/stacktrace.h
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@ -2,8 +2,9 @@
#ifndef __ASM_STACKTRACE_H
#define __ASM_STACKTRACE_H
#include <asm/ptrace.h>
#include <linux/llist.h>
#include <asm/ptrace.h>
#include <asm/sections.h>
struct stackframe {
/*