From nobody Mon Sep 15 18:02:38 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 CF47BC46467 for ; Wed, 11 Jan 2023 17:22:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239024AbjAKRV6 (ORCPT ); Wed, 11 Jan 2023 12:21:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234813AbjAKRVV (ORCPT ); Wed, 11 Jan 2023 12:21:21 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 987B3165BC; Wed, 11 Jan 2023 09:21:20 -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 316D561D89; Wed, 11 Jan 2023 17:21:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0EE5C433F2; Wed, 11 Jan 2023 17:21:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673457679; bh=An7932QyRN88UCepeRWQ6p08wUO6xw7m46s6odwiow0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KKs/0/VFSvU2SnllZ+uG+nxnYXbVkIe8lRcr3KSHKo6td8KIyNPrEPYX+QoGpC/0v IEbh7jBwyWqO20/l1BHxElXPwMPMBVvoezH1TdXTGQoiHcIwGQpsHFy0v3rlQqddgY By77PW+uxHCcFntfWDM/+0mG7/riTiw+S30o/6l2ZOJUBQO0YoFdFC9aEcmFfeRvmM bJTABO8ubZBVg0mlVot9/EPqeoJcuk/QIINFGIiQ/ueeC+sMXAXsIOSDWnLhZ/2L5J irN93MKeyPBSmq6NGqqcrtZ2sLqS2WNNOmDUEKlKjfKfsxSz/V8vsHWLrURyC51ALz y0y3ESvmyldoA== From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra , Heiko Stuebner Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Andrew Jones , Guo Ren Subject: [PATCH v3 11/13] riscv: cpu_relax: switch to riscv_has_extension_likely() Date: Thu, 12 Jan 2023 01:10:25 +0800 Message-Id: <20230111171027.2392-12-jszhang@kernel.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230111171027.2392-1-jszhang@kernel.org> References: <20230111171027.2392-1-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