Re: [PATCH 1/3] arm64: kdump : take off the protection on crashkernel memory region

On 2023/3/24 21:18, Baoquan He wrote: > Problem: > === > On arm64, block and section mapping is supported to build page tables. > However, currently it enforces to take base page mapping for the whole > linear mapping if CONFIG_ZONE_DMA or CONFIG_ZONE_DMA32 is enabled and > crashkernel

[PATCH 1/3] arm64: kdump : take off the protection on crashkernel memory region

Problem: === On arm64, block and section mapping is supported to build page tables. However, currently it enforces to take base page mapping for the whole linear mapping if CONFIG_ZONE_DMA or CONFIG_ZONE_DMA32 is enabled and crashkernel kernel parameter is set. This will cause longer time of