linux-kernel - Re: [PATCH v2 1/4] efi/x86: Remove EfiMemoryMappedIO from E820 map

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] [day] [month] [year] [list]

Message-ID: <20230113135448.GA1835615@bhelgaas>
Date:   Fri, 13 Jan 2023 07:54:48 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Baowen Zheng <baowen.zheng@...igine.com>
Cc:     2lprbe78@...k.com, benoitg@...us.ca, bhelgaas@...gle.com,
        hdegoede@...hat.com, kernelorg@...ead.fr, kjhambrick@...il.com,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        mika.westerberg@...ux.intel.com, mumblingdrunkard@...tonmail.com,
        nicholas.johnson-opensource@...look.com.au,
        wse@...edocomputers.com, simon.horman@...igine.com,
        yinjun.zhang@...igine.com, tianyu.yuan@...igine.com
Subject: Re: [PATCH v2 1/4] efi/x86: Remove EfiMemoryMappedIO from E820 map

On Fri, Jan 13, 2023 at 06:46:03PM +0800, Baowen Zheng wrote:
> Hello Bjorn Helgaas:
> 
> When we tested our NIC, we found we will fail to access pcie extent configuration space.
> Actually we can only access the 256 Bytes of the pcie configuration space.
> You can make check with command of "lspci -s XXXX -vv"
> It seems relates to this change, could you please help to make a check?

Can you test these patches?

  https://lore.kernel.org/linux-pci/20230110180243.1590045-1-helgaas@kernel.org/

Let me know if they don't fix the problem.

Bjorn