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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ji11-20020a170907980b00b0077f4fcfe49csi29669206ejc.905.2022.10.24.08.20.28; Mon, 24 Oct 2022 08:20:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=iC0QKmrM; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232035AbiJXOZW (ORCPT + 99 others); Mon, 24 Oct 2022 10:25:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235788AbiJXOWG (ORCPT ); Mon, 24 Oct 2022 10:22:06 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD5E1D0CEA; Mon, 24 Oct 2022 05:58:47 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 99DB5612A4; Mon, 24 Oct 2022 12:49:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A85EAC433C1; Mon, 24 Oct 2022 12:49:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666615748; bh=cv+4Gs/g+oUmnoYqUaw/bn/zTsVJxlKTv60on9ZtcOQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iC0QKmrM8f9YG8lr1TFQ4e0N4u1QegxIYDFUFHLETS+rp+0ior1B6ab/kGBvVVEBw 0/Vzq94ws7pKMnC4ecPmtiA13gXzPMN3nNk1YLkWOIycCWk05dZZa7EybjqY6KghY7 D93spC5kkLR7v48ATNsw/7XxVZCWwtK4plvkHWB4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicholas Piggin , Segher Boessenkool , Michael Ellerman , Sasha Levin Subject: [PATCH 5.15 369/530] powerpc/64s: Fix GENERIC_CPU build flags for PPC970 / G5 Date: Mon, 24 Oct 2022 13:31:53 +0200 Message-Id: <20221024113101.738535620@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113044.976326639@linuxfoundation.org> References: <20221024113044.976326639@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nicholas Piggin [ Upstream commit 58ec7f06b74e0d6e76c4110afce367c8b5f0837d ] Big-endian GENERIC_CPU supports 970, but builds with -mcpu=power5. POWER5 is ISA v2.02 whereas 970 is v2.01 plus Altivec. 2.02 added the popcntb instruction which a compiler might use. Use -mcpu=power4. Fixes: 471d7ff8b51b ("powerpc/64s: Remove POWER4 support") Signed-off-by: Nicholas Piggin Reviewed-by: Segher Boessenkool Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220921014103.587954-1-npiggin@gmail.com Signed-off-by: Sasha Levin --- arch/powerpc/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 2bb0fe9b2058..7859ae56fcdc 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -154,7 +154,7 @@ CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) else CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) +CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power4 endif else ifdef CONFIG_PPC_BOOK3E_64 CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 -- 2.35.1