linux-kernel - [PATCH v2 7/7] riscv: Remove extra variable in patch_text

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Date: Wed, 27 Mar 2024 09:04:46 -0700
From: Samuel Holland <samuel.holland@...ive.com>
To: Palmer Dabbelt <palmer@...belt.com>
Cc: Björn Töpel <bjorn@...osinc.com>,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Samuel Holland <samuel.holland@...ive.com>
Subject: [PATCH v2 7/7] riscv: Remove extra variable in patch_text_nosync()

This cast is superfluous, and is incorrect anyway if compressed
instructions may be present.

Reviewed-by: Björn Töpel <bjorn@...osinc.com>
Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
---

(no changes since v1)

 arch/riscv/kernel/patch.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/riscv/kernel/patch.c b/arch/riscv/kernel/patch.c
index cfcb9926e722..9b8d633f6536 100644
--- a/arch/riscv/kernel/patch.c
+++ b/arch/riscv/kernel/patch.c
@@ -178,13 +178,11 @@ NOKPROBE_SYMBOL(patch_insn_set);
 
 int patch_text_set_nosync(void *addr, u8 c, size_t len)
 {
-	u32 *tp = addr;
 	int ret;
 
-	ret = patch_insn_set(tp, c, len);
-
+	ret = patch_insn_set(addr, c, len);
 	if (!ret)
-		flush_icache_range((uintptr_t)tp, (uintptr_t)tp + len);
+		flush_icache_range((uintptr_t)addr, (uintptr_t)addr + len);
 
 	return ret;
 }
@@ -216,13 +214,11 @@ NOKPROBE_SYMBOL(patch_insn_write);
 
 int patch_text_nosync(void *addr, const void *insns, size_t len)
 {
-	u32 *tp = addr;
 	int ret;
 
-	ret = patch_insn_write(tp, insns, len);
-
+	ret = patch_insn_write(addr, insns, len);
 	if (!ret)
-		flush_icache_range((uintptr_t) tp, (uintptr_t) tp + len);
+		flush_icache_range((uintptr_t)addr, (uintptr_t)addr + len);
 
 	return ret;
 }
-- 
2.43.1