Message ID | 20210405164307.1720226-6-suzuki.poulose@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=w++m=JC=lists.infradead.org=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@kernel.org> 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 60B40C433B4 for <linux-arm-kernel@archiver.kernel.org>; Mon, 5 Apr 2021 16:45:28 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 03012613AF for <linux-arm-kernel@archiver.kernel.org>; Mon, 5 Apr 2021 16:45:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03012613AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mTGOnEiN0iy7UjUtQ1pE87b26jsULu8sAgln8W94/V0=; b=AmuLd6uTABFXi8wDyGhXs8+8p yNkUw6Pq56waikvVPA68EO7KtU+db2spDLkvY5ux+PN8q9CCLw7V9MEYCOZHZ4xLq/jMT8YO7pzTT DNrsIrojNHuVwl93O3PJ07gtl+kMU6WcWv9dEgj9EWk4tH8J+Vk3uuqHdMFmfcpf6FxNPzDRUo9tE wc4I/bfpsdbiQXuUUGCAiYlceqQO4q8nFuJLF1eewx9KGyJJnuKz8fukMFG0L1zVJK+M/7ABAJXuj TOFlAaLvU3pK9+/boAWUl12G7crbKNgV4vFynf45ZVGdmPJPUm5Z60K8eTQWDy4KgcrKLz9C9gwq9 ZwqQxE39w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lTSKf-0008PW-F7; Mon, 05 Apr 2021 16:44:09 +0000 Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lTSK8-0008G6-W7 for linux-arm-kernel@lists.infradead.org; Mon, 05 Apr 2021 16:43:38 +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 E50681480; Mon, 5 Apr 2021 09:43:35 -0700 (PDT) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 3B8FB3F694; Mon, 5 Apr 2021 09:43:34 -0700 (PDT) From: Suzuki K Poulose <suzuki.poulose@arm.com> To: maz@kernel.org, mathieu.poirier@linaro.org Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, anshuman.khandual@arm.com, mike.leach@linaro.org, catalin.marinas@arm.com, will@kernel.org, peterz@infradead.org, leo.yan@linaro.org, robh@kernel.org, Suzuki K Poulose <suzuki.poulose@arm.com> Subject: [PATCH v6 05/20] kvm: arm64: Handle access to TRFCR_EL1 Date: Mon, 5 Apr 2021 17:42:52 +0100 Message-Id: <20210405164307.1720226-6-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20210405164307.1720226-1-suzuki.poulose@arm.com> References: <20210405164307.1720226-1-suzuki.poulose@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210405_174337_216848_9A548616 X-CRM114-Status: UNSURE ( 8.46 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
coresight: Add support for ETE and TRBE
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expand
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diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 4f2f1e3145de..52fdb9a015a4 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1472,6 +1472,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_GCR_EL1), undef_access }, { SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility }, + { SYS_DESC(SYS_TRFCR_EL1), undef_access }, { SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 }, { SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 }, { SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },
Rather than falling to an "unhandled access", inject add an explicit "undefined access" for TRFCR_EL1 access from the guest. Cc: Marc Zyngier <maz@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- arch/arm64/kvm/sys_regs.c | 1 + 1 file changed, 1 insertion(+)