linux-kernel - Re: [PATCH] arm64: dts: qcom: x1e80100: enable GICv3 ITS for PCIe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Zo-uFGK7Ge_9-DJb@hovoldconsulting.com>
Date: Thu, 11 Jul 2024 12:04:04 +0200
From: Johan Hovold <johan@...nel.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Johan Hovold <johan+linaro@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Abel Vesa <abel.vesa@...aro.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: x1e80100: enable GICv3 ITS for PCIe

On Thu, Jul 11, 2024 at 12:00:50PM +0200, Konrad Dybcio wrote:
> On 11.07.2024 11:58 AM, Johan Hovold wrote:

> > What branch are you using? Abel reported seeing this with his branch
> > which has a few work-in-progress patches that try to enable 4-lane PCIe.
> > 
> > There are no errors with my wip branch based on rc7, and I have the same
> > drive as Abel.
> 
> linux-next/master

Hmm. Ok. We may need to disable L0s as I did for sc8280xp as well, but
that was not the cause for Abel's errors.

> > Also note that the errors happen also without this patch applied, they
> > are just being reported now.
> 
> Ouch.. wonder how much that drives the perf down

Could you post the output of lspci -vv for the NVMe controller?

Johan