From nobody Mon Apr 6 21:09:40 2026 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 E7B48C433FE for ; Thu, 6 Oct 2022 07:18:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230303AbiJFHS0 (ORCPT ); Thu, 6 Oct 2022 03:18:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230256AbiJFHSE (ORCPT ); Thu, 6 Oct 2022 03:18:04 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 088C38D0E5 for ; Thu, 6 Oct 2022 00:18:02 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id EE2D1B81FFA for ; Thu, 6 Oct 2022 07:18:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93245C433D7; Thu, 6 Oct 2022 07:17:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665040679; bh=wKFyYNU904w6QY4gfev3PhC66aVWe3d7fSVd7HA6A2M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IvMQNMjl1RwUtGXd+y5DYWQhXF6ovFT1F9gbwYQ9DUCLT/AtW/CpJgEXa6vk/X3rz Hy4AjhLiTYg87LgHGthWRUv5nkOzRHVh0apTdwnVAYaAvLNNB8gR6+Y0KFaMV6ApEc o3fiSCtse9GuAINnXZtMlapzjG/p6XgboIl3mKYEe5U4qJACybcCESPr8PIE0Yxnp0 UXpk/y8lEZchG+YtvXgEqSrW/9lIgTNW4hLARQ2VGAZD8VTOd0Ikalby6ndQCFDkNO jgYP+FLhBhHHhwy/KxZoX5AG+P2ngIa6NVh38OTlpb0dnKCy9ZlsDKg4V4KGEgrFOF BIHSryCmYiPdA== From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/8] riscv: fpu: switch has_fpu() to riscv_has_extension_likely() Date: Thu, 6 Oct 2022 15:08:16 +0800 Message-Id: <20221006070818.3616-7-jszhang@kernel.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221006070818.3616-1-jszhang@kernel.org> References: <20221006070818.3616-1-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 has_fpu() from statich branch to the new helper riscv_has_extension_likely(). Signed-off-by: Jisheng Zhang Reviewed-by: Andrew Jones Reviewed-by: Heiko Stuebner --- arch/riscv/include/asm/switch_to.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/sw= itch_to.h index 11463489fec6..60f8ca01d36e 100644 --- a/arch/riscv/include/asm/switch_to.h +++ b/arch/riscv/include/asm/switch_to.h @@ -59,7 +59,8 @@ static inline void __switch_to_aux(struct task_struct *pr= ev, =20 static __always_inline bool has_fpu(void) { - return static_branch_likely(&riscv_isa_ext_keys[RISCV_ISA_EXT_KEY_FPU]); + return riscv_has_extension_likely(RISCV_ISA_EXT_f) || + riscv_has_extension_likely(RISCV_ISA_EXT_d); } #else static __always_inline bool has_fpu(void) { return false; } --=20 2.37.2