From mboxrd@z Thu Jan 1 00:00:00 1970 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 82A61C63797 for ; Thu, 12 Jan 2023 21:31:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240492AbjALVbM (ORCPT ); Thu, 12 Jan 2023 16:31:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240618AbjALVaN (ORCPT ); Thu, 12 Jan 2023 16:30:13 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 828AA5D419; Thu, 12 Jan 2023 13:11:29 -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 ams.source.kernel.org (Postfix) with ESMTPS id 3DDE4B82028; Thu, 12 Jan 2023 21:11:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CE5CC433F0; Thu, 12 Jan 2023 21:11:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673557886; bh=1lv/KvuGHQRZDolHVavCfpp7julHCynpA3AX6pvaaYA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=W73etmzP/d6CGmvUkDbdoac85hc30hUPm02Kv4pn0xFu4zYtLpZjEWE93CUBNxd6i 2nu133GHYGhFhQDdUOQL9B4okHCebgBjKSmBvbIWXrNDpQ5gnur9ig105lzUkf5Fxw k4nH+XqvNA/uPVc9r+2x6RT0P/mnPg5ZwR9xkkPvqF7nuQQrTet00VDk2+qEjKc2lt aULGfARm5St002zse5h/cpBDOXNCJ9vMOyMgq1PQjiJgFJHxCZLmpALsAMzY0k6bTC 9qvVz0cXHBmLWRo00/ZEjHxVfDiyQTO4OI4w+g6zlj9w6ONR0vjO+4WoTdW31GGmHJ s8iXAduhRnVUw== Date: Thu, 12 Jan 2023 21:11:22 +0000 From: Conor Dooley To: Jisheng Zhang Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra , Heiko Stuebner , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Andrew Jones Subject: Re: [PATCH v3 03/13] riscv: cpufeature: detect RISCV_ALTERNATIVES_EARLY_BOOT earlier Message-ID: References: <20230111171027.2392-1-jszhang@kernel.org> <20230111171027.2392-4-jszhang@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LovTwAzFAus9XXMr" Content-Disposition: inline In-Reply-To: <20230111171027.2392-4-jszhang@kernel.org> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org --LovTwAzFAus9XXMr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 12, 2023 at 01:10:17AM +0800, Jisheng Zhang wrote: > Currently riscv_cpufeature_patch_func() does nothing at the > RISCV_ALTERNATIVES_EARLY_BOOT stage. Add a check to detect whether we > are in this stage and exit early. This will allow us to use > riscv_cpufeature_patch_func() for scanning of all ISA extensions. >=20 > Signed-off-by: Jisheng Zhang > Reviewed-by: Andrew Jones > Reviewed-by: Heiko Stuebner Probably overkill at this stage, but: Reviewed-by: Conor Dooley BTW, would you mind CCing me on all patches in a series if I have previously reviewed the series? Makes life easier :) > --- > arch/riscv/kernel/cpufeature.c | 3 +++ > 1 file changed, 3 insertions(+) >=20 > diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeatur= e.c > index 421b3d9578cc..37e8c5e69754 100644 > --- a/arch/riscv/kernel/cpufeature.c > +++ b/arch/riscv/kernel/cpufeature.c > @@ -328,6 +328,9 @@ void __init_or_module riscv_cpufeature_patch_func(str= uct 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 > 2.38.1 >=20 >=20 > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv --LovTwAzFAus9XXMr Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCY8B3eQAKCRB4tDGHoIJi 0l9WAQDjvV5jMZGRfroca+fqF0wW1R9hBcmFQzlJLcSWlBTmtgD7ByB9qSa0diKz FIYUuKDPYTNZQkruAhzCCdeHLGitswk= =MlP/ -----END PGP SIGNATURE----- --LovTwAzFAus9XXMr--