On 2022/4/8 17:32, Baoquan He wrote:
> Hi, Lei
>
> On 02/27/22 at 11:07am, Zhen Lei wrote:
>> Changes since [v20]:
>> 1. Check whether crashkernel=Y,low is incorrectly configured or not configured. Do different processing.
>> 2. Share the existing description of x86. The configuration of arm64 is the same as that of x86.
>> 3. Define the value of macro CRASH_ADDR_HIGH_MAX as memblock.current_limit, instead of MEMBLOCK_ALLOC_ACCESSIBLE.
>> 4. To improve readability, some lightweight code adjustments have been made to reserve_craskernel(), including comments.
>> 5. The defined value of DEFAULT_CRASH_KERNEL_LOW_SIZE reconsiders swiotlb, just like x86, to share documents.
>
> 5.18 rc1 is already done, do you have plan to post a new version for
> reviewing?
Yes, v5.18-rc1 has added a new patch
commit 031495635b46 ("arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones")
to allow block mapping again, so my patches need to be modified. It should be post next week.
>
> Thanks
> Baoquan
>
> .
>
--
Regards,
Zhen Lei
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