linux-kernel - Re: [RFC PATCH] pci: Proof of concept at fixing pci_enable

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Message-ID: <20180815224028.GA12104@roeck-us.net>
Date:   Wed, 15 Aug 2018 15:40:28 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Hari Vyas <hari.vyas@...adcom.com>, bhelgaas@...gle.com,
        linux-pci@...r.kernel.org, ray.jui@...adcom.com,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] pci: Proof of concept at fixing
 pci_enable_device/bridge races

On Thu, Aug 16, 2018 at 07:50:13AM +1000, Benjamin Herrenschmidt wrote:
> (Resent with lkml on copy)
> 
> [Note: This isn't meant to be merged, it need splitting at the very
> least, see below]
> 
> This is something I cooked up quickly today to test if that would fix
> my problems with large number of switch and NVME devices on POWER.
> 

Is that a problem that can be reproduced with a qemu setup ?

Thanks,
Guenter