+++ /dev/null
-From 04966809110d87d032419aafec1eeae5df3ec796 Mon Sep 17 00:00:00 2001
-From: Sasha Levin <sashal@kernel.org>
-Date: Fri, 2 Jun 2023 19:28:42 +0100
-Subject: ARM: 9303/1: kprobes: avoid missing-declaration warnings
-
-From: Arnd Bergmann <arnd@arndb.de>
-
-[ Upstream commit 1b9c3ddcec6a55e15d3e38e7405e2d078db02020 ]
-
-checker_stack_use_t32strd() and kprobe_handler() can be made static since
-they are not used from other files, while coverage_start_registers()
-and __kprobes_test_case() are used from assembler code, and just need
-a declaration to avoid a warning with the global definition.
-
-arch/arm/probes/kprobes/checkers-common.c:43:18: error: no previous prototype for 'checker_stack_use_t32strd'
-arch/arm/probes/kprobes/core.c:236:16: error: no previous prototype for 'kprobe_handler'
-arch/arm/probes/kprobes/test-core.c:723:10: error: no previous prototype for 'coverage_start_registers'
-arch/arm/probes/kprobes/test-core.c:918:14: error: no previous prototype for '__kprobes_test_case_start'
-arch/arm/probes/kprobes/test-core.c:952:14: error: no previous prototype for '__kprobes_test_case_end_16'
-arch/arm/probes/kprobes/test-core.c:967:14: error: no previous prototype for '__kprobes_test_case_end_32'
-
-Fixes: 6624cf651f1a ("ARM: kprobes: collects stack consumption for store instructions")
-Fixes: 454f3e132d05 ("ARM/kprobes: Remove jprobe arm implementation")
-Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
-Reviewed-by: Kees Cook <keescook@chromium.org>
-Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
-Signed-off-by: Sasha Levin <sashal@kernel.org>
----
- arch/arm/probes/kprobes/checkers-common.c | 2 +-
- arch/arm/probes/kprobes/core.c | 2 +-
- arch/arm/probes/kprobes/opt-arm.c | 2 --
- arch/arm/probes/kprobes/test-core.c | 2 +-
- arch/arm/probes/kprobes/test-core.h | 4 ++++
- 5 files changed, 7 insertions(+), 5 deletions(-)
-
-diff --git a/arch/arm/probes/kprobes/checkers-common.c b/arch/arm/probes/kprobes/checkers-common.c
-index 971119c294741..aa10e5e46ebb2 100644
---- a/arch/arm/probes/kprobes/checkers-common.c
-+++ b/arch/arm/probes/kprobes/checkers-common.c
-@@ -48,7 +48,7 @@ enum probes_insn checker_stack_use_imm_0xx(probes_opcode_t insn,
- * Different from other insn uses imm8, the real addressing offset of
- * STRD in T32 encoding should be imm8 * 4. See ARMARM description.
- */
--enum probes_insn checker_stack_use_t32strd(probes_opcode_t insn,
-+static enum probes_insn checker_stack_use_t32strd(probes_opcode_t insn,
- struct arch_probes_insn *asi,
- const struct decode_header *h)
- {
-diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c
-index 3cd2066c2ca3c..01989c4bdf051 100644
---- a/arch/arm/probes/kprobes/core.c
-+++ b/arch/arm/probes/kprobes/core.c
-@@ -244,7 +244,7 @@ singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb)
- * kprobe, and that level is reserved for user kprobe handlers, so we can't
- * risk encountering a new kprobe in an interrupt handler.
- */
--void __kprobes kprobe_handler(struct pt_regs *regs)
-+static void __kprobes kprobe_handler(struct pt_regs *regs)
- {
- struct kprobe *p, *cur;
- struct kprobe_ctlblk *kcb;
-diff --git a/arch/arm/probes/kprobes/opt-arm.c b/arch/arm/probes/kprobes/opt-arm.c
-index cf08cb7267670..1516c340a0766 100644
---- a/arch/arm/probes/kprobes/opt-arm.c
-+++ b/arch/arm/probes/kprobes/opt-arm.c
-@@ -158,8 +158,6 @@ __arch_remove_optimized_kprobe(struct optimized_kprobe *op, int dirty)
- }
- }
-
--extern void kprobe_handler(struct pt_regs *regs);
--
- static void
- optimized_callback(struct optimized_kprobe *op, struct pt_regs *regs)
- {
-diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c
-index a10d7187ad2c5..941b7452d879d 100644
---- a/arch/arm/probes/kprobes/test-core.c
-+++ b/arch/arm/probes/kprobes/test-core.c
-@@ -780,7 +780,7 @@ static const char coverage_register_lookup[16] = {
- [REG_TYPE_NOSPPCX] = COVERAGE_ANY_REG | COVERAGE_SP,
- };
-
--unsigned coverage_start_registers(const struct decode_header *h)
-+static unsigned coverage_start_registers(const struct decode_header *h)
- {
- unsigned regs = 0;
- int i;
-diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h
-index 94285203e9f74..459ebda077139 100644
---- a/arch/arm/probes/kprobes/test-core.h
-+++ b/arch/arm/probes/kprobes/test-core.h
-@@ -456,3 +456,7 @@ void kprobe_thumb32_test_cases(void);
- #else
- void kprobe_arm_test_cases(void);
- #endif
-+
-+void __kprobes_test_case_start(void);
-+void __kprobes_test_case_end_16(void);
-+void __kprobes_test_case_end_32(void);
---
-2.39.2
-