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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 644AFC433DF for ; Thu, 6 Aug 2020 02:20:29 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1731120823 for ; Thu, 6 Aug 2020 02:20:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="b9vZ105T" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1731120823 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4BMXJp5fqxzDqg9 for ; Thu, 6 Aug 2020 12:20:26 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4BMXGr6L8PzDqcW for ; Thu, 6 Aug 2020 12:18:44 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=b9vZ105T; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 4BMXGr3hqyz9sTM; Thu, 6 Aug 2020 12:18:44 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4BMXGr2Ylsz9sPC; Thu, 6 Aug 2020 12:18:44 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1596680324; bh=1RUaF9tw2UTRv8DSk29zVGzJyXOl0nVehwqC6A6hhwQ=; h=From:To:Subject:In-Reply-To:References:Date:From; b=b9vZ105T71HacHPQjR/COSG4kksneAo0BnsQvwxA2afrOtzLvISduDzCbXKbqopT/ 5xkQNs2HJmHlzE4OQkx7w029yaLiA1+MXhrI6xWtR1uHcdspS0QFtFbIbqMHTlQnyd 8Qqn4u3ZB06FDawdMKiDKnKRIIpEGDlc4dRYAWQGGDWeJeMHUZIXt70XLT6LjPAXq2 zliupHWTLfN8s+r5IBGQ/148B6Q54WPc1skgSR0gpHH9Q8GX1gVwSBmKuRKfTots2O jJ2bcyzWrnrpPh4x9CbrBYd7hF+H6agOxcnttAMAcBQ0+ZWLkRJTqm6qMdnm5VYitD DiLlgjZZQWTCg== From: Michael Ellerman To: Christophe Leroy , linuxppc-dev@ozlabs.org Subject: Re: [PATCH] powerpc/40x: Fix assembler warning about r0 In-Reply-To: References: <20200722022422.825197-1-mpe@ellerman.id.au> Date: Thu, 06 Aug 2020 12:18:43 +1000 Message-ID: <87o8noy0sc.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Christophe Leroy writes: > Le 22/07/2020 =C3=A0 04:24, Michael Ellerman a =C3=A9crit=C2=A0: >> The assembler says: >> arch/powerpc/kernel/head_40x.S:623: Warning: invalid register express= ion > > I get exactly the same with head_32.S, for the exact same reason. Ah yep, I see it. I mostly build pmac32_defconfig which doesn't have BDI_SWITCH enabled. Send a patch? :) Do we still need the BDI_SWITCH code? Is it likely anyone still has one, that works? cheers