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[209.85.208.172]) by smtp.gmail.com with ESMTPSA id e24sm923978lfs.212.2021.09.13.13.15.52 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Sep 2021 13:15:52 -0700 (PDT) Received: by mail-lj1-f172.google.com with SMTP id q21so19476257ljj.6 for ; Mon, 13 Sep 2021 13:15:52 -0700 (PDT) X-Received: by 2002:a2e:1542:: with SMTP id 2mr12255814ljv.249.1631564151997; Mon, 13 Sep 2021 13:15:51 -0700 (PDT) MIME-Version: 1.0 References: <20210913141818.GA27911@codemonkey.org.uk> <18e101d9-f94c-1122-1436-dc3069429710@gmail.com> In-Reply-To: <18e101d9-f94c-1122-1436-dc3069429710@gmail.com> From: Linus Torvalds Date: Mon, 13 Sep 2021 13:15:36 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Linux 5.15-rc1 To: Heiner Kallweit Cc: Dave Jones , Linux Kernel Mailing List , Bjorn Helgaas , "linux-pci@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 13, 2021 at 1:11 PM Heiner Kallweit wrote: > > No. The timeout is not the issue, otherwise you would see the message > "VPD access failed.." over and over again. Ahh, I did check that that error did exist, but you're right, it's not there all the time. > The issue here seems to be > that this call in PCI config space access to adress > vpd->cap + PCI_VPD_ADDR stalls. Ok. Regardless, we shouldn't do this since the boot code shouldn't need any of the VPD information. Linus