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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E02F0C54EBE for ; Tue, 10 Jan 2023 08:55:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pVO2Y1s4ZiuLN6jb62f843G79DyruLH1JDsxRlApErs=; b=wKbMTaAv+4+1pO 4OZPUcDbCuHm3Ej8MyPt7ekv3ajY4cEqMu80wWcfpOXT6rpzMzHUhQy99urRmN0kypozABWzZhvgZ dUaNDwA10LjzRIga32iy6413vRAWYE8RhWwaMbpCIs7iGzXcf2xWBxNujZrNjKT3ySXtfhIWHcmwn j7Jvia4G9CdBa1DfmJaGHxe33v8jR86FHXOCh30/FJbU65WyCLVhKWgyZkZ/4QwGPlR1e0tG5BuPr abrzwT7JaACTfKCm4fqhX8030fbEf8Rjb5C7U7IJ3ALa6yeZUcuN7NV8REjS1VCnuvF8KRIMANFsr kLYr+SVNOT26quAfPeqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFAOz-005wVo-Hx; Tue, 10 Jan 2023 08:54:37 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFAOw-005wUZ-4l for linux-arm-kernel@lists.infradead.org; Tue, 10 Jan 2023 08:54:35 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E1557165C; Tue, 10 Jan 2023 00:55:13 -0800 (PST) Received: from [10.162.42.6] (unknown [10.162.42.6]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 513603F587; Tue, 10 Jan 2023 00:54:25 -0800 (PST) Message-ID: <895daf8d-3303-ac70-16ab-76bead23d389@arm.com> Date: Tue, 10 Jan 2023 14:24:22 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: [PATCH v4 6/8] perf: arm_spe: Support new SPEv1.2/v8.7 'not taken' event Content-Language: en-US To: Rob Herring , Peter Zijlstra , Will Deacon , Mark Rutland , Catalin Marinas , Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Ingo Molnar , Arnaldo Carvalho de Melo , Alexander Shishkin , Jiri Olsa , Namhyung Kim Cc: Mark Brown , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-perf-users@vger.kernel.org, James Clark References: <20220825-arm-spe-v8-7-v4-0-327f860daf28@kernel.org> <20220825-arm-spe-v8-7-v4-6-327f860daf28@kernel.org> From: Anshuman Khandual In-Reply-To: <20220825-arm-spe-v8-7-v4-6-327f860daf28@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230110_005434_256272_5B3B751A X-CRM114-Status: GOOD ( 18.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 1/10/23 00:56, Rob Herring wrote: > Arm SPEv1.2 (Armv8.7/v9.2) adds a new event, 'not taken', in bit 6 of > the PMSEVFR_EL1 register. Update arm_spe_pmsevfr_res0() to support the > additional event. > > Tested-by: James Clark > Signed-off-by: Rob Herring Reviewed-by: Anshuman Khandual > --- > v4: > - Rebase on v6.2-rc1 > v3: > - No change > v2: > - Update for v6.1 sysreg generated header changes > --- > arch/arm64/include/asm/sysreg.h | 2 ++ > drivers/perf/arm_spe_pmu.c | 4 +++- > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h > index db269eda7c1c..fc8787727792 100644 > --- a/arch/arm64/include/asm/sysreg.h > +++ b/arch/arm64/include/asm/sysreg.h > @@ -221,6 +221,8 @@ > BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0)) > #define PMSEVFR_EL1_RES0_V1P1 \ > (PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11))) > +#define PMSEVFR_EL1_RES0_V1P2 \ > + (PMSEVFR_EL1_RES0_V1P1 & ~BIT_ULL(6)) > > /* Buffer error reporting */ > #define PMBSR_EL1_FAULT_FSC_SHIFT PMBSR_EL1_MSS_SHIFT > diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c > index af6d3867c3e7..82f67e941bc4 100644 > --- a/drivers/perf/arm_spe_pmu.c > +++ b/drivers/perf/arm_spe_pmu.c > @@ -677,9 +677,11 @@ static u64 arm_spe_pmsevfr_res0(u16 pmsver) > case ID_AA64DFR0_EL1_PMSVer_IMP: > return PMSEVFR_EL1_RES0_IMP; > case ID_AA64DFR0_EL1_PMSVer_V1P1: > + return PMSEVFR_EL1_RES0_V1P1; > + case ID_AA64DFR0_EL1_PMSVer_V1P2: > /* Return the highest version we support in default */ > default: > - return PMSEVFR_EL1_RES0_V1P1; > + return PMSEVFR_EL1_RES0_V1P2; > } > } > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel