Re: [PATCH v3 2/2] PCI/sysfs: use NUMA_NO_NODE macro

From: Bjorn Helgaas
Date: Fri Oct 08 2021 - 18:25:54 EST


On Mon, Oct 04, 2021 at 04:34:53PM +0300, Max Gurtovoy wrote:
> Use the proper macro instead of hard-coded (-1) value.
>
> Suggested-by: Krzysztof Wilczyński <kw@xxxxxxxxx>
> Reviewed-by: Krzysztof Wilczyński <kw@xxxxxxxxx>
> Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
> Signed-off-by: Max Gurtovoy <mgurtovoy@xxxxxxxxxx>

These two patches are independent, so I applied this patch only to
pci/sysfs for v5.16, thanks!

I assume Greg will take the drivers/base patch.

> ---
> drivers/pci/pci-sysfs.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
> index 7fb5cd17cc98..f807b92afa6c 100644
> --- a/drivers/pci/pci-sysfs.c
> +++ b/drivers/pci/pci-sysfs.c
> @@ -81,8 +81,10 @@ static ssize_t pci_dev_show_local_cpu(struct device *dev, bool list,
> const struct cpumask *mask;
>
> #ifdef CONFIG_NUMA
> - mask = (dev_to_node(dev) == -1) ? cpu_online_mask :
> - cpumask_of_node(dev_to_node(dev));
> + if (dev_to_node(dev) == NUMA_NO_NODE)
> + mask = cpu_online_mask;
> + else
> + mask = cpumask_of_node(dev_to_node(dev));
> #else
> mask = cpumask_of_pcibus(to_pci_dev(dev)->bus);
> #endif
> --
> 2.18.1
>