Hi Penny,

On 11/09/2023 12:04, Penny Zheng wrote:
> 
> 
> Hi Michal
> 
> On 2023/9/11 17:01, Michal Orzel wrote:
>> Hi Penny,
>>
>> On 11/09/2023 06:04, Penny Zheng wrote:
>>>
>>>
>>> There are some unsolving issues on current 4.17 static shared memory
>>> feature[1], including:
>>> - In order to avoid keeping growing 'membank', having the shared memory
>>> info in separate structures is preferred.
>>> - Missing implementation on having the host address optional in
>>> "xen,shared-mem" property
>>> - Removing static shared memory from extended regions
>>> - Missing reference release on foreign superpage
>>> - Fix duplicated /reserved-memory node on Dom0
>>> - Missing static shm node declaration on guest /memory node
>>> - Missing "xen,offset" feature, which is introduced in Linux DOC[2]
>>>
>>> All above objects have been divided into two parts to complete. And this
>>> patch serie is PART I.
>>
>> Just like I pointed out in the previous revision, there is a gitlab CI 
>> failure on shared-memory jobs:
>> https://gitlab.com/xen-project/patchew/xen/-/pipelines/999098293
>> Did you change the interface that could lead to this (I cannot spot any 
>> change in the docs refinment) ?
>> No Xen logs meaning the early boot failure. Please check.
>>
> 
> Soooooo sorry. I miss-looked that comment. I found that bug exists in
> bootfdt.c.
> ```
> diff --git a/xen/arch/arm/bootfdt.c b/xen/arch/arm/bootfdt.c
> index 7d86dffd45..290dd27bf4 100644
> --- a/xen/arch/arm/bootfdt.c
> +++ b/xen/arch/arm/bootfdt.c
> @@ -532,6 +532,8 @@ static int __init process_shm_node(const void *fdt,
> int node,
>                              size, tot_size);
>                       return -EINVAL;
>                   }
> +
> +                break;
>               }
>               else if ( paddr_assigned )
>               {
> ```
> I accidentally delete a `break;` here, and I will also comment in the
> related commit and fix in next version!
> 
While searching for the pending series, I noticed this one.
If you have time and want us to review the series, please send an updated 
version
based on the recent Luca's dom0less features modularization.

~Michal

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