On Mon, Oct 24, 2016 at 09:24:04PM +1100, Michael Ellerman wrote:
The code already looks for "linux,usable-memory" in preference to
"reg". Can you use that instead?
Yes, we could set the size of "linux,usable-memory" to zero instead of
setting status to "disabled".
I'll send a v5 of this set
Alistair Popple writes:
> Hi Reza,
>
> On Thu, 6 Oct 2016 01:36:32 PM Reza Arbab wrote:
>> Respect the standard dt "status" property when scanning memory nodes in
>> early_init_dt_scan_memory(), so that if the node is unavailable, no
>> memory will be added.
>
> What happens if a kernel without t
Hi Alistair,
On Fri, Oct 21, 2016 at 05:22:54PM +1100, Alistair Popple wrote:
From what I can tell it seems that kernels without this patch will try
and use this memory even if it is marked in the device-tree as
status="disabled" which could lead to problems for older kernels when
we start exp
Hi Reza,
On Thu, 6 Oct 2016 01:36:32 PM Reza Arbab wrote:
> Respect the standard dt "status" property when scanning memory nodes in
> early_init_dt_scan_memory(), so that if the node is unavailable, no
> memory will be added.
What happens if a kernel without this patch is booted on a system with
On Thu, Oct 6, 2016 at 1:36 PM, Reza Arbab wrote:
> Respect the standard dt "status" property when scanning memory nodes in
> early_init_dt_scan_memory(), so that if the node is unavailable, no
> memory will be added.
>
> The use case at hand is accelerator or device memory, which may be
> unusabl
Respect the standard dt "status" property when scanning memory nodes in
early_init_dt_scan_memory(), so that if the node is unavailable, no
memory will be added.
The use case at hand is accelerator or device memory, which may be
unusable until post-boot initialization of the memory link. Such a no
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