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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 A163BC433E0 for ; Wed, 8 Jul 2020 11:14:45 +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 055BF20739 for ; Wed, 8 Jul 2020 11:14:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="VKhQDUTO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 055BF20739 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 4B1xXg0cKSzDr3G for ; Wed, 8 Jul 2020 21:14:43 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (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 4B1xVj2FqyzDqyB for ; Wed, 8 Jul 2020 21:13:01 +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=VKhQDUTO; dkim-atps=neutral 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 4B1xVh6NPpz9sDX; Wed, 8 Jul 2020 21:13:00 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1594206780; bh=q4IUb+L/TelDHVJSgRXq/ljEnyuPjr0ghtLKqra0i4Y=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=VKhQDUTOMjJ/Qc/NIPa+OVOI25qNTv1it5ofNQKNsc549N6UkH0xBOn0t8VWTniQm BqYKNpXMi1cWxYzcFAr39GqrokPu5DoEDZ1KIjQ1OxCsan/tuT0mEZPds/JNLzJ8ku D7LUe1CPwPbbY+FZ4x5BfrakL7MIC4vB4tsNIFYENbayGfOIZhG8qB9OOLmP4Bo+RK 1TlXVI8LEu4N4PSrABmLTDh9HWf/8nwtMUCvWPZAlPFykVfysBpUKbnRBNE0rw6gqZ E2/FvgdLtMnGh1GzMeejo3i/zSLEUM9L20+GQUyNRjvRMWPsDF8jqeVXg0iTmfIOGl YNCvVe68KCtkg== From: Michael Ellerman To: Athira Rajeev Subject: Re: [PATCH v2 04/10] powerpc/perf: Add power10_feat to dt_cpu_ftrs In-Reply-To: <1593595262-1433-5-git-send-email-atrajeev@linux.vnet.ibm.com> References: <1593595262-1433-1-git-send-email-atrajeev@linux.vnet.ibm.com> <1593595262-1433-5-git-send-email-atrajeev@linux.vnet.ibm.com> Date: Wed, 08 Jul 2020 21:15:16 +1000 Message-ID: <87y2nu2r7f.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain 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: , Cc: mikey@neuling.org, maddy@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Athira Rajeev writes: > From: Madhavan Srinivasan > > Add power10 feature function to dt_cpu_ftrs.c along > with a power10 specific init() to initialize pmu sprs. > > Signed-off-by: Madhavan Srinivasan > --- > arch/powerpc/include/asm/reg.h | 3 +++ > arch/powerpc/kernel/cpu_setup_power.S | 7 +++++++ > arch/powerpc/kernel/dt_cpu_ftrs.c | 26 ++++++++++++++++++++++++++ > 3 files changed, 36 insertions(+) > > diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h > index 21a1b2d..900ada1 100644 > --- a/arch/powerpc/include/asm/reg.h > +++ b/arch/powerpc/include/asm/reg.h > @@ -1068,6 +1068,9 @@ > #define MMCR0_PMC2_LOADMISSTIME 0x5 > #endif > > +/* BHRB disable bit for PowerISA v3.10 */ > +#define MMCRA_BHRB_DISABLE 0x0000002000000000 > + > /* > * SPRG usage: > * > diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S > index efdcfa7..e8b3370c 100644 > --- a/arch/powerpc/kernel/cpu_setup_power.S > +++ b/arch/powerpc/kernel/cpu_setup_power.S > @@ -233,3 +233,10 @@ __init_PMU_ISA207: > li r5,0 > mtspr SPRN_MMCRS,r5 > blr > + > +__init_PMU_ISA31: > + li r5,0 > + mtspr SPRN_MMCR3,r5 > + LOAD_REG_IMMEDIATE(r5, MMCRA_BHRB_DISABLE) > + mtspr SPRN_MMCRA,r5 > + blr This doesn't seem like it belongs in this patch. It's not called? cheers