From patchwork Wed Apr 22 12:00:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 11503727 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E931B159A for ; Wed, 22 Apr 2020 12:22:47 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C6B6520CC7 for ; Wed, 22 Apr 2020 12:22:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MOVft1i1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="yhYsqogU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6B6520CC7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=51OJu1f1KrHW7Bp5eOOHyvbrOgNuiwLKwRhFlNxiIr8=; b=MOVft1i1FTCQun j0V/Bt6hWQ71J9FM7AQgp7Pn9nPq8f4bCBh26xadpl3inNbC0fYWdK4+bTm9/Nx4Ei4fE5CZCU5Re hktoOF2wgUrQNy3IgqHRmhu3sDJgrv9tiknPdmXx8JJqXaDIQrM/4rQ1RWFkbxPtcaUaFDXreyTR2 oVEdXVoJAGipNcpQki3uh22fqn0ZBVyiO/txLmthBng4JKZmYbJ/d7tDV9yKGsImDzMUoD7K0D9VM NNnaZ9XA1uYkP731JrOYZ15EhxEcSAa7SGqPX+6M9h6yZ5T5nPiryR+K52KlRuEO4M818fa6hijeN 6rTLIjg1L80hN907Wxhg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jREOt-0006CI-Bf; Wed, 22 Apr 2020 12:22:47 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jRENM-00054x-0G for linux-arm-kernel@lists.infradead.org; Wed, 22 Apr 2020 12:21:13 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 74E7C217BA; Wed, 22 Apr 2020 12:21:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587558071; bh=3DfBWnjoftiMKEV8n/oHnQrUy1AFUy0M8vMHJgyQgDQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yhYsqogUMKn1g1v2Sg8c0LVBe/0g412wtS5WOpM16KFnv/oHZxPEPa4/aVevGTgx7 P3vgJn9VM6Uunn+F6jlqCmZFBjfHuJQPJAjOhnMhvLsiYDX0kDsAQIBO1ZyD/AOxsH vXOImoveedTfP49+iiNvTL2nWhQdg8iDzyDjOq2k= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jRE3t-005UI7-3d; Wed, 22 Apr 2020 13:01:05 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: [PATCH 11/26] KVM: arm64: Add missing reset handlers for PMU emulation Date: Wed, 22 Apr 2020 13:00:35 +0100 Message-Id: <20200422120050.3693593-12-maz@kernel.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200422120050.3693593-1-maz@kernel.org> References: <20200422120050.3693593-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, andre.przywara@arm.com, christoffer.dall@arm.com, Dave.Martin@arm.com, jintack@cs.columbia.edu, alexandru.elisei@arm.com, gcherian@marvell.com, prime.zeng@hisilicon.com, will@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200422_052112_102836_D9E20FE4 X-CRM114-Status: GOOD ( 13.37 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Will Deacon , Suzuki K Poulose , Andre Przywara , Christoffer Dall , Dave Martin , George Cherian , James Morse , "Zengtao \(B\)" , Catalin Marinas , Alexandru Elisei , Jintack Lim , Julien Thierry Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org As we're about to become a bit more harsh when it comes to the lack of reset callbacks, let's add the missing PMU reset handlers. Note that these only cover *CLR registers that were always covered by their *SET counterpart, so there is no semantic change here. Signed-off-by: Marc Zyngier Reviewed-by: James Morse --- arch/arm64/kvm/sys_regs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 46f218982df8c..c9443960b36e4 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1553,7 +1553,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 }, { SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 }, - { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, NULL, PMINTENSET_EL1 }, + { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 }, { SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 }, { SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 }, @@ -1592,8 +1592,8 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 }, { SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 }, - { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, NULL, PMCNTENSET_EL0 }, - { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, NULL, PMOVSSET_EL0 }, + { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 }, + { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 }, { SYS_DESC(SYS_PMSWINC_EL0), access_pmswinc, reset_unknown, PMSWINC_EL0 }, { SYS_DESC(SYS_PMSELR_EL0), access_pmselr, reset_unknown, PMSELR_EL0 }, { SYS_DESC(SYS_PMCEID0_EL0), access_pmceid },