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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1924DC433EF for ; Fri, 8 Oct 2021 09:54:40 +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 D593260F93 for ; Fri, 8 Oct 2021 09:54:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D593260F93 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Pawylaqxuqy2x98lAdsJcD/I7ejtni7gdjQmCclsM6I=; b=uVKy/4IYhkKvrM JIodSl576GSNFFTu6nBuTAx3dditCzp3DtHlmwkW8wNuUl3WC3PMcebKoTJ2oQ3uVwe/6/BSbqmNF fHVItjNOfYA8WxUicEr8GndJ9QvKsXrMRKjg14jWCHyKie3JgmI6/ov9rtJIgYIhfbF1GI8BBKvOt bKSbYOEN3u2q+xS3p97CZionq/l6T5i9w6ADNaBXSZDcpi47mxljSEu5lTO2M+lrSKbZZgEVEodZY vQmDUWgmufOzrByxm4QUR3ZzGJHJ56SaK3GfdALm2CZyAOBc29IFxcF6ALUyR86T8lcGF/+s/5FGY 0dfAWCmeJNA6JZpG9Vqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYmYr-002HSt-8m; Fri, 08 Oct 2021 09:53:05 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYmYo-002HSa-Em for linux-arm-kernel@lists.infradead.org; Fri, 08 Oct 2021 09:53:03 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 72D4F60F93; Fri, 8 Oct 2021 09:52:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633686781; bh=yxEO719H410bfEaxUqcpWIxDNzgp9VnW2l0SEVXbgN4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gibCG+VDmRtWSLTug7EvMrTKTzGXI//OEqTO+nqzjjRA+rPJcZV+rT1VgkoOlG3sz 4vlPpDSoXu1ANea0dYmq7bz1SPiXQBZKotJIOqbsmbJ+Fqrdvb8zwYK8BC3KiW3t7x 0l5ZJRXmroBMPmRu4CUNYrWp4GRJ5Q+aSK5UdqSiywCpryf7148rV6+Cq5yPLwYNgb 94bEigJfNwPv1FTTXZckrBXIr7z6DXUAhZU+d/yeiGzKmvKS20CGNLe8PUnJBxN76X kBVFn804tyOx+2wgPqB5WrwZqrr6Ccv1EVjm0f1a5Js3pZKNeQC6o8CB3FcbmdTuCT 29PFp0CnvG9DA== Date: Fri, 8 Oct 2021 10:52:56 +0100 From: Will Deacon To: Suzuki K Poulose Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, maz@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, james.morse@arm.com, anshuman.khandual@arm.com, leo.yan@linaro.org, mike.leach@linaro.org, mathieu.poirier@linaro.org, lcherian@marvell.com, coresight@lists.linaro.org Subject: Re: [PATCH v2 00/17] arm64: Self-hosted trace related errata workarounds Message-ID: <20211008095255.GA790@willie-the-truck> References: <20210921134121.2423546-1-suzuki.poulose@arm.com> <20211008073229.GB32625@willie-the-truck> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211008_025302_533574_A9C2FE99 X-CRM114-Status: GOOD ( 20.91 ) 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 Fri, Oct 08, 2021 at 10:25:03AM +0100, Suzuki K Poulose wrote: > Hi Will > > On 08/10/2021 08:32, Will Deacon wrote: > > Hi Suzuki, > > > > On Tue, Sep 21, 2021 at 02:41:04PM +0100, Suzuki K Poulose wrote: > > > This series adds CPU erratum work arounds related to the self-hosted > > > tracing. The list of affected errata handled in this series are : > > > > > > * TRBE may overwrite trace in FILL mode > > > - Arm Neoverse-N2 #2139208 > > > - Cortex-A710 #211985 > > > > > > * A TSB instruction may not flush the trace completely when executed > > > in trace prohibited region. > > > > > > - Arm Neoverse-N2 #2067961 > > > - Cortex-A710 #2054223 > > > > > > * TRBE may write to out-of-range address > > > - Arm Neoverse-N2 #2253138 > > > - Cortex-A710 #2224489 > > > > > > The series applies on the self-hosted/trbe fixes posted here [0]. > > > A tree containing both the series is available here [1] > > > > Any chance you could put the arch/arm64/ bits at the start of the series, > > please? That way, I can queue them on their own branch which can be shared > > with the coresight tree. > > I could move the bits around. I have a question though. > > Will, Catalin, Mathieu, > > The workaround for these errata, at least two of them are > in the TRBE driver patches. Are we happy with enabling the Kconfig > entry in the kernel, without the CoreSight patches to implement the work > around ? I suppose you could move all the Kconfig changes into their own patch and stick it right at the end in the Coresight tree. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel