Re: [PATCH] Documentation, dt, numa: Add note to empty NUMA node

2021-09-26 Thread Gavin Shan
Hi Rob, On 9/24/21 1:17 AM, Rob Herring wrote: On Thu, Sep 23, 2021 at 1:32 AM Gavin Shan wrote: On 9/22/21 9:05 PM, Ard Biesheuvel wrote: On Tue, 21 Sept 2021 at 21:45, Rob Herring wrote: On Sun, Sep 5, 2021 at 11:16 PM Gavin Shan wrote: The empty memory nodes, where no memory resides

Re: [PATCH] Documentation, dt, numa: Add note to empty NUMA node

2021-09-23 Thread Rob Herring
On Thu, Sep 23, 2021 at 1:32 AM Gavin Shan wrote: > > Hi Rob and Ard, > > On 9/22/21 9:05 PM, Ard Biesheuvel wrote: > > On Tue, 21 Sept 2021 at 21:45, Rob Herring wrote: > >> On Sun, Sep 5, 2021 at 11:16 PM Gavin Shan wrote: > >>> > >>> The empty memory nodes, where no memory resides in, are

Re: [PATCH] Documentation, dt, numa: Add note to empty NUMA node

2021-09-23 Thread Gavin Shan
Hi Rob and Ard, On 9/22/21 9:05 PM, Ard Biesheuvel wrote: On Tue, 21 Sept 2021 at 21:45, Rob Herring wrote: On Sun, Sep 5, 2021 at 11:16 PM Gavin Shan wrote: The empty memory nodes, where no memory resides in, are allowed. For these empty memory nodes, the 'len' of 'reg' property is zero.

Re: [PATCH] Documentation, dt, numa: Add note to empty NUMA node

2021-09-22 Thread Ard Biesheuvel
On Tue, 21 Sept 2021 at 21:45, Rob Herring wrote: > > On Sun, Sep 5, 2021 at 11:16 PM Gavin Shan wrote: > > > > The empty memory nodes, where no memory resides in, are allowed. > > For these empty memory nodes, the 'len' of 'reg' property is zero. > > The NUMA node IDs are still valid and

Re: [PATCH] Documentation, dt, numa: Add note to empty NUMA node

2021-09-21 Thread Rob Herring
On Sun, Sep 5, 2021 at 11:16 PM Gavin Shan wrote: > > The empty memory nodes, where no memory resides in, are allowed. > For these empty memory nodes, the 'len' of 'reg' property is zero. > The NUMA node IDs are still valid and parsed, but memory may be > added to them through hotplug afterwards.

[PATCH] Documentation, dt, numa: Add note to empty NUMA node

2021-09-05 Thread Gavin Shan
The empty memory nodes, where no memory resides in, are allowed. For these empty memory nodes, the 'len' of 'reg' property is zero. The NUMA node IDs are still valid and parsed, but memory may be added to them through hotplug afterwards. Currently, QEMU fails to boot when multiple empty memory