On Wed, Oct 23, 2019 at 04:22:43PM +0800, Yunsheng Lin wrote:
> On 2019/10/23 5:04, Bjorn Helgaas wrote:
> > On Sat, Oct 19, 2019 at 02:45:43PM +0800, Yunsheng Lin wrote:
> > I think the underlying problem you're addressing is that:
> >
> > - NUMA_NO_NODE == -1,
> > - dev_to_node(dev) may
On 2019/10/22 21:55, Robin Murphy wrote:
> On 21/10/2019 05:05, Yunsheng Lin wrote:
>> On 2019/10/19 16:34, Christoph Hellwig wrote:
>>> 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)
+
On 2019/10/23 5:04, Bjorn Helgaas wrote:
> On Sat, Oct 19, 2019 at 02:45:43PM +0800, Yunsheng Lin wrote:
>> As the disscusion in [1]:
>
> We need to justify this patch right here in the commit log, not with a
> pointer to a 50+ message email thread.
Ok, thanks.
>
>> A PCI device really _MUST_
On Sat, Oct 19, 2019 at 02:45:43PM +0800, Yunsheng Lin wrote:
> As the disscusion in [1]:
We need to justify this patch right here in the commit log, not with a
pointer to a 50+ message email thread.
> A PCI device really _MUST_ have a node assigned.
No, it's not really essential. It's *nice*
On 21/10/2019 05:05, Yunsheng Lin wrote:
On 2019/10/19 16:34, Christoph Hellwig wrote:
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
On 2019/10/19 16:34, Christoph Hellwig wrote:
> 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
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
As the disscusion in [1]:
A PCI device really _MUST_ have a node assigned. It is possible to
have a PCI bridge shared between two nodes, such that the PCI
devices have equidistance. But the moment you scale this out, you
either get devices that are 'local' to a package while having
multiple
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