Re: [PATCH 0/3] arm64: kdump : take off the protection on crashkernel memory region

[Leizhen (ThunderTown)]

On 2023/3/25 1:11, Catalin Marinas wrote:
> On Fri, Mar 24, 2023 at 09:18:35PM +0800, Baoquan He wrote:
>> Baoquan He (3):
>>   arm64: kdump : take off the protection on crashkernel memory region
>>   arm64: kdump: do not map crashkernel region specifically
>>   arm64: kdump: defer the crashkernel reservation for platforms with no
>>     DMA memory zones
>>
>>  arch/arm64/include/asm/kexec.h    |  6 -----
>>  arch/arm64/include/asm/memory.h   |  5 ----
>>  arch/arm64/kernel/machine_kexec.c | 20 --------------
>>  arch/arm64/mm/init.c              |  6 +----
>>  arch/arm64/mm/mmu.c               | 43 -------------------------------
>>  5 files changed, 1 insertion(+), 79 deletions(-)
> 
> This series works for me and it has a negative diffstat as well (though
> I'm sure people will try to bring it back ;)).

After the write protection is removed, it is recommended that crc32 check
be added. However, it can be added later.

> 
> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
> 
> .
> 

-- 
Regards,
  Zhen Lei