[PATCH] irqchip/gic-v3-its: Don't acquire rt_spin_lock in allocate_vpe_l1_table()

Waiman Long longman at redhat.com
Mon Mar 9 12:06:04 PDT 2026


On 1/21/26 10:49 PM, Waiman Long wrote:
>
> On 1/21/26 3:41 PM, Waiman Long wrote:
>>
>>>> Waiman, can you please give the following hack a go on your box? The
>>>> machines I have are thankfully limited to a single ITS group, so I
>>>> can't directly reproduce your issue.
>>> Have you managed to try this hack? I may be able to spend some time
>>> addressing the issue in the next cycle if I have an indication that
>>> I'm on the right track.
>>
>> Yes, I have tried out your hack patch and the 2-socket Grace test 
>> system booted up without producing any bug report for a RT debug 
>> kernel. I will try out your official patch once it come out. So 
>> moving the memory allocation to a later part of the hotplug bringup 
>> pipeline where sleeping is allowed should work. 
>
> Attaching the dmesg log for your further investigation. 

Ping,

Are you planning to send out an official patch soon?

Thanks,
Longman




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