linux-kernel - Re: [PATCH] PCI: Warn about host bridge device when its numa node is NO

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Message-ID: <20191019083431.GA26340@infradead.org>
Date:   Sat, 19 Oct 2019 01:34:31 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Yunsheng Lin <linyunsheng@...wei.com>
Cc:     bhelgaas@...gle.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, mhocko@...nel.org,
        peterz@...radead.org, robin.murphy@....com, geert@...ux-m68k.org,
        gregkh@...uxfoundation.org, paul.burton@...s.com
Subject: Re: [PATCH] PCI: Warn about host bridge device when its numa node is
 NO_NODE

On Sat, Oct 19, 2019 at 02:45:43PM +0800, Yunsheng Lin wrote:
> +	if (nr_node_ids > 1 && dev_to_node(bus->bridge) == NUMA_NO_NODE)
> +		dev_err(bus->bridge, FW_BUG "No node assigned on NUMA capable HW by BIOS. Please contact your vendor for updates.\n");
> +

The whole idea of mentioning a BIOS in architeture indepent code doesn't
make sense at all.