linux-kernel - Re: [PATCH v2 0/2] PCI: Add missing link delays

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Message-ID: <20191007093236.GP2819@lahna.fi.intel.com>
Date:   Mon, 7 Oct 2019 12:32:36 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Matthias Andree <matthias.andree@....de>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, Lukas Wunner <lukas@...ner.de>,
        Keith Busch <keith.busch@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Alexandru Gagniuc <mr.nuke.me@...il.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] PCI: Add missing link delays

On Sat, Oct 05, 2019 at 09:34:41AM +0200, Matthias Andree wrote:
> Am 04.10.19 um 15:06 schrieb Mika Westerberg:
> > On Fri, Oct 04, 2019 at 02:57:21PM +0200, Matthias Andree wrote:
> >> Am 04.10.19 um 14:39 schrieb Mika Westerberg:
> >>> @Matthias, @Paul and @Nicholas, I appreciate if you could check that this
> >>> does not cause any issues for your systems.
> >> Just to be sure: is this intended to be applied against the 5.4-rc*
> >> master branch?
> > Yes, it applies on top of v5.4-rc1.
> 
> I am sorry to say that I cannot currently test - my computer has a
> GeForce 1060-6GB an no onboard/on-chip graphics.
> The nvidia module 435.21 does not compile against 5.4-rc* for me (5.3.1
> was fine).

I think the two patches should apply cleanly on 5.3.x as well.

> For some reasons I don't understand, it first complains about missing or
> empty  Module.symvers, (which I do have and which has 12967 lines)
> and if I bypass that check, it complains about undeclared DRIVER_PRIME
> "here (outside a function)" - sorry for the German locale:

Possibly v5.4-rcX moved/renamed some symbol(s) which than makes the
out-of-tree driver fail to build.