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From: Samuel Holland <samuel.holland@sifive.com>
To: Palmer Dabbelt <palmer@dabbelt.com>
Cc: "Björn Töpel" <bjorn@rivosinc.com>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	"Samuel Holland" <samuel.holland@sifive.com>
Subject: [PATCH v2 2/7] riscv: jump_label: Simplify assembly syntax
Date: Wed, 27 Mar 2024 09:04:41 -0700	[thread overview]
Message-ID: <20240327160520.791322-3-samuel.holland@sifive.com> (raw)
In-Reply-To: <20240327160520.791322-1-samuel.holland@sifive.com>

The idiomatic way to write "jal zero" is "j".

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

(no changes since v1)

 arch/riscv/include/asm/jump_label.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/include/asm/jump_label.h b/arch/riscv/include/asm/jump_label.h
index 6290b26f4a14..1c768d02bd0c 100644
--- a/arch/riscv/include/asm/jump_label.h
+++ b/arch/riscv/include/asm/jump_label.h
@@ -46,7 +46,7 @@ static __always_inline bool arch_static_branch_jump(struct static_key * const ke
 		"	.option push				\n\t"
 		"	.option norelax				\n\t"
 		"	.option norvc				\n\t"
-		"1:	jal		zero, %l[label]		\n\t"
+		"1:	j		%l[label]		\n\t"
 		"	.option pop				\n\t"
 		"	.pushsection	__jump_table, \"aw\"	\n\t"
 		"	.align		" RISCV_LGPTR "		\n\t"
-- 
2.43.1


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  parent reply	other threads:[~2024-03-27 16:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-27 16:04 [PATCH v2 0/7] riscv: Various text patching improvements Samuel Holland
2024-03-27 16:04 ` [PATCH v2 1/7] riscv: jump_label: Batch icache maintenance Samuel Holland
2024-03-27 16:04 ` Samuel Holland [this message]
2024-03-27 16:04 ` [PATCH v2 3/7] riscv: kprobes: Use patch_text_nosync() for insn slots Samuel Holland
2024-03-27 16:04 ` [PATCH v2 4/7] riscv: Simplify text patching loops Samuel Holland
2024-04-02 11:13   ` Björn Töpel
2024-04-24 10:44   ` Conor Dooley
2024-04-24 10:47     ` Conor Dooley
2024-03-27 16:04 ` [PATCH v2 5/7] riscv: Pass patch_text() the length in bytes Samuel Holland
2024-04-24 10:49   ` Conor Dooley
2024-03-27 16:04 ` [PATCH v2 6/7] riscv: Use offset_in_page() in text patching functions Samuel Holland
2024-04-24 10:51   ` Conor Dooley
2024-03-27 16:04 ` [PATCH v2 7/7] riscv: Remove extra variable in patch_text_nosync() Samuel Holland
2024-04-24 10:54   ` Conor Dooley
2024-05-22 16:35 ` [PATCH v2 0/7] riscv: Various text patching improvements Palmer Dabbelt

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