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 53DD6C433F5 for ; Thu, 6 Oct 2022 07:18:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230262AbiJFHSG (ORCPT ); Thu, 6 Oct 2022 03:18:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230242AbiJFHR5 (ORCPT ); Thu, 6 Oct 2022 03:17:57 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B810A6555E for ; Thu, 6 Oct 2022 00:17:56 -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 CC0FDB82008 for ; Thu, 6 Oct 2022 07:17:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7645EC433D6; Thu, 6 Oct 2022 07:17:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665040673; bh=9fBsPwhvJZRdf+CU1/201DO08wpjks0kDIv6Vzm4XOo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DGhOU5BPOIuEr1AMhM3o0TySAQYnb7GXc/yNE8oGUnCzKZosX2CbfRpmOPVzPYaG8 xg7ukolKlHrHpfr5BY8AIY8hyQRRKlWxPDyipTKxyxW4937An4t67v3yDNJzGaXBEF dqIj3O30QH4l+RH0XZJodmkxqZXW8m3ANj34sfkrH4qDEz0whtO5iCzHnUCJon9a3R QrNpZJRbTKTa8ItDbbyG+3Z+5NJYd7uwIxn4007RdIUDkMcn1qDAZqXsl89Jh7iyIQ iYeDoURySIx+mbLiveX1VEaJI1sIyrUUkwTNSMN6/ryEIs7WjbKX8qJ+r1TMwLHkvK 0AOYxi88PT0qg== From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/8] riscv: cpufeature: detect RISCV_ALTERNATIVES_EARLY_BOOT earlier Date: Thu, 6 Oct 2022 15:08:12 +0800 Message-Id: <20221006070818.3616-3-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" Now, the riscv_cpufeature_patch_func() do nothing in the stage of RISCV_ALTERNATIVES_EARLY_BOOT. We can move the detection of "early boot" stage earlier. In following patch, we will make riscv_cpufeature_patch_func() scans all ISA extensions. Signed-off-by: Jisheng Zhang Reviewed-by: Andrew Jones Reviewed-by: Heiko Stuebner --- arch/riscv/kernel/cpufeature.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 03611b3ef45e..afa54635c180 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -307,6 +307,9 @@ void __init_or_module riscv_cpufeature_patch_func(struc= t alt_entry *begin, struct alt_entry *alt; u32 tmp; =20 + if (stage =3D=3D RISCV_ALTERNATIVES_EARLY_BOOT) + return; + for (alt =3D begin; alt < end; alt++) { if (alt->vendor_id !=3D 0) continue; --=20 2.37.2