From nobody Tue Dec 16 11:35:14 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 37A63149DE3 for ; Sat, 20 Jul 2024 17:27:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721496423; cv=none; b=bOqTEKh3ginlksFMMRqqXIoHzNN9g5+bI4BJ7+XQIOIFnPctV61AZa5Sp5YXZSmNQB6U3DTKmkXtXkMcdz0ZLztShh9tN9x8lR979CFrznG0woN4qFiHBYPsgkkulCdSvxjhak3YX30TxhSlMZyXgF2oDa3FPDMW93k2PzUzcZs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721496423; c=relaxed/simple; bh=8YWEf7rK4+5tGsSPanUmb4XQE9I8vrOKfPCp7u9NCeA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Lb2066Le2Kne+Fdu1RivPyfRMTc4/TBU7lOBk/4wjURmrd3OyLwXOxjOMj7dXiQpG9t6xcLy19teyGpT8dHI8EB44AEF6hnV7Lg6QPn/vLVejJSY3DinZOYxKMHTbHAd74SCtdGK5lpDgE+aY20pKXWDcSBPdelOafVB9YI1gSI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Re7GD1nJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Re7GD1nJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DCEFC2BD10; Sat, 20 Jul 2024 17:27:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721496422; bh=8YWEf7rK4+5tGsSPanUmb4XQE9I8vrOKfPCp7u9NCeA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Re7GD1nJZkP6/TKDh5zaK6UJbwlRjD13WrXU+U/uWsoCTIPCz+KkS+FWe8qzlMP59 wlaMSl5RD1er1zJPgMqSYWPvsRLTM2wGkplZ1jJf3w9Yv4HlMpoV9jdkNRSlb1bdiS W0Z/iKOvCHmdepNmvdU10tVh0iDJuzMb4asXBIb36F+00MK6omqL5EqD3KHJ3eG9M6 Ib8eUV8z3NHnirkWteJ6P3BCBfD2UasMSk6lEjEzNX/qKJYolpbyxvDk1QsCPgq1jX WZx2mswB0I3ykRY//D+kMEiNz+QxYkm6s7EEKaloqxysN9SlVnZ8impwwvBZnQAzL2 yz5VoNN3s1ktw== From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Charlie Jenkins , Deepak Gupta , Clement Leger Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 7/7] riscv: traps: mark do_irq() as __always_inline Date: Sun, 21 Jul 2024 01:12:32 +0800 Message-ID: <20240720171232.1753-8-jszhang@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240720171232.1753-1-jszhang@kernel.org> References: <20240720171232.1753-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since do_irq() is only called in traps.c, so mark it as __always_inline this will allow the compiler to get rid of the stack setup/tear down code and eliminate a handful of instructions. Signed-off-by: Jisheng Zhang --- arch/riscv/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index dc1bc84cfe15..030c50cb4e78 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -378,7 +378,7 @@ static void noinstr handle_riscv_irq(struct pt_regs *re= gs) irq_exit_rcu(); } =20 -static void noinstr do_irq(struct pt_regs *regs) +static __always_inline void do_irq(struct pt_regs *regs) { irqentry_state_t state =3D irqentry_enter(regs); =20 --=20 2.43.0