linux-kernel - [PATCH -next] bpf, arm: Remove unused function emit_a32_alu

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Message-ID: <20220611040904.8976-1-yuehaibing@huawei.com>
Date:   Sat, 11 Jun 2022 12:09:04 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <illusionist.neo@...il.com>, <linux@...linux.org.uk>,
        <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>,
        <kafai@...com>, <songliubraving@...com>, <yhs@...com>,
        <john.fastabend@...il.com>, <kpsingh@...nel.org>,
        <johan.almbladh@...finetworks.com>
CC:     <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] bpf, arm: Remove unused function emit_a32_alu_r()

Since commit b18bea2a45b1 ("ARM: net: bpf: improve 64-bit ALU implementation")
this is unused anymore, so can remove it.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 arch/arm/net/bpf_jit_32.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 9e457156ad4d..6a1c9fca5260 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -712,22 +712,6 @@ static inline void emit_alu_r(const u8 dst, const u8 src, const bool is64,
 	}
 }
 
-/* ALU operation (32 bit)
- * dst = dst (op) src
- */
-static inline void emit_a32_alu_r(const s8 dst, const s8 src,
-				  struct jit_ctx *ctx, const bool is64,
-				  const bool hi, const u8 op) {
-	const s8 *tmp = bpf2a32[TMP_REG_1];
-	s8 rn, rd;
-
-	rn = arm_bpf_get_reg32(src, tmp[1], ctx);
-	rd = arm_bpf_get_reg32(dst, tmp[0], ctx);
-	/* ALU operation */
-	emit_alu_r(rd, rn, is64, hi, op, ctx);
-	arm_bpf_put_reg32(dst, rd, ctx);
-}
-
 /* ALU operation (64 bit) */
 static inline void emit_a32_alu_r64(const bool is64, const s8 dst[],
 				  const s8 src[], struct jit_ctx *ctx,
-- 
2.17.1