[PATCH] riscv: move memblock_allow_resize() after lm is ready

Woody Zhang woodylab at foxmail.com
Sat Jun 10 16:31:03 PDT 2023


On Sat, Jun 10, 2023 at 04:44:19PM +0100, Conor Dooley wrote:
>On Sat, Jun 10, 2023 at 07:43:20AM +0800, Woody Zhang wrote:
>$subject: "riscv: move memblock_allow_resize() after lm is ready"
>
>s/lm/linear map/ if you resubmit, please.

Thanks, will send a v2.

>
>> The initial memblock metadata is accessed from kernel image mapping. The
>> regions arrays need to "reallocated" from memblock and accessed through
>> linear mapping to cover more memblock regions. So the resizing should
>> not be allowed until linear mapping is ready. Note that there are
>> memblock allocations when building linear mapping.
>> 
>> Signed-off-by: Woody Zhang <woodylab at foxmail.com>
>
>What commit does this fix?

Fixes: 671f9a3e2e24 ("RISC-V: Setup initial page tables in two stages")

Will add this tag in v2.

Woody




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