From nobody Mon Sep 15 06:20:50 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E03DC677F1 for ; Sun, 15 Jan 2023 16:03:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231522AbjAOQDN (ORCPT ); Sun, 15 Jan 2023 11:03:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231574AbjAOQCb (ORCPT ); Sun, 15 Jan 2023 11:02:31 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DAF512F0B; Sun, 15 Jan 2023 08:01:04 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9063360DB7; Sun, 15 Jan 2023 16:00:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44865C433F0; Sun, 15 Jan 2023 16:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673798447; bh=s7J/q6ens2rvlMJbJ7trLTcT6RXo2JnK5jMkTSfRtMo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pQqMj/xHEQwbw+5FY9+0PCbjT5rLLxbuoK4DmTfSFXurT3Rag8x+BAzog2vcqFeMw 6U2jKpV0OwE4QfTGaQkyCUdJUMf/73j6xR93psfXCrVvbfPpeAw6LkSz0A4GRX64tr aG3tyewFjywmsFtWBDriVSfzmUCXUg8LCDH+7KKYecXx6XJx6HJdLhyKbTyx29Wa5p onS52FZ6zDvxHF6VCjAI17qmsX2pvjfYuH9B2MjfQlHay5FcUtZSc0bJuBErg5EdiV 8isVTjjJyTfBZ54y3Wlv7uOd4b6aGOQLFDi/k/RuCiohdrq67LB7z5yGqvMaH1XsKj At9z/v8HpdVaw== From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra , Heiko Stuebner , Conor Dooley , Andrew Jones Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Guo Ren Subject: [PATCH v4 11/13] riscv: cpu_relax: switch to riscv_has_extension_likely() Date: Sun, 15 Jan 2023 23:49:51 +0800 Message-Id: <20230115154953.831-12-jszhang@kernel.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230115154953.831-1-jszhang@kernel.org> References: <20230115154953.831-1-jszhang@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Switch cpu_relax() from static branch to the new helper riscv_has_extension_likely() Signed-off-by: Jisheng Zhang Reviewed-by: Andrew Jones Reviewed-by: Heiko Stuebner Reviewed-by: Guo Ren Reviewed-by: Conor Dooley --- arch/riscv/include/asm/vdso/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/include/asm/vdso/processor.h b/arch/riscv/include/a= sm/vdso/processor.h index fa70cfe507aa..edf0e25e43d1 100644 --- a/arch/riscv/include/asm/vdso/processor.h +++ b/arch/riscv/include/asm/vdso/processor.h @@ -10,7 +10,7 @@ =20 static inline void cpu_relax(void) { - if (!static_branch_likely(&riscv_isa_ext_keys[RISCV_ISA_EXT_KEY_ZIHINTPAU= SE])) { + if (!riscv_has_extension_likely(RISCV_ISA_EXT_ZIHINTPAUSE)) { #ifdef __riscv_muldiv int dummy; /* In lieu of a halt instruction, induce a long-latency stall. */ --=20 2.38.1