linux-kernel - [PATCH 1/3] arm64: module: Make plt_equals

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Message-ID: <20220929094134.99512-2-lihuafei1@huawei.com>
Date:   Thu, 29 Sep 2022 17:41:32 +0800
From:   Li Huafei <lihuafei1@...wei.com>
To:     <mark.rutland@....com>, <catalin.marinas@....com>,
        <will@...nel.org>
CC:     <rostedt@...dmis.org>, <mingo@...hat.com>, <Julia.Lawall@...ia.fr>,
        <akpm@...ux-foundation.org>, <andreyknvl@...il.com>,
        <elver@...gle.com>, <wangkefeng.wang@...wei.com>,
        <zhouchengming@...edance.com>, <ardb@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <lihuafei1@...wei.com>
Subject: [PATCH 1/3] arm64: module: Make plt_equals_entry() static

Since commit 4e69ecf4da1e ("arm64/module: ftrace: deal with place
relative nature of PLTs"), plt_equals_entry() is not used outside of
module-plts.c, so make it static.

Signed-off-by: Li Huafei <lihuafei1@...wei.com>
---
 arch/arm64/include/asm/module.h | 1 -
 arch/arm64/kernel/module-plts.c | 3 ++-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/module.h b/arch/arm64/include/asm/module.h
index 4e7fa2623896..28514b989a0b 100644
--- a/arch/arm64/include/asm/module.h
+++ b/arch/arm64/include/asm/module.h
@@ -58,7 +58,6 @@ static inline bool is_forbidden_offset_for_adrp(void *place)
 }
 
 struct plt_entry get_plt_entry(u64 dst, void *pc);
-bool plt_entries_equal(const struct plt_entry *a, const struct plt_entry *b);
 
 static inline bool plt_entry_is_initialized(const struct plt_entry *e)
 {
diff --git a/arch/arm64/kernel/module-plts.c b/arch/arm64/kernel/module-plts.c
index a3d0494f25a9..5a0a8f552a61 100644
--- a/arch/arm64/kernel/module-plts.c
+++ b/arch/arm64/kernel/module-plts.c
@@ -37,7 +37,8 @@ struct plt_entry get_plt_entry(u64 dst, void *pc)
 	return plt;
 }
 
-bool plt_entries_equal(const struct plt_entry *a, const struct plt_entry *b)
+static bool plt_entries_equal(const struct plt_entry *a,
+			      const struct plt_entry *b)
 {
 	u64 p, q;
 
-- 
2.17.1