Re: [PATCH] mips: kdump: Crash kernel should be able to see old memories

2021-04-19 Thread Youling Tang
Hi, Jiaxun On 04/20/2021 09:11 AM, Jiaxun Yang wrote: 在 2021/4/19 18:56, Youling Tang 写道: From: Huacai Chen kexec-tools use mem=X@Y to pass usable memories to crash kernel, but in commit a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map") all BIOS passed memories are removed by early_

Re: [PATCH] mips: kdump: Crash kernel should be able to see old memories

2021-04-19 Thread Jiaxun Yang
在 2021/4/19 18:56, Youling Tang 写道: From: Huacai Chen kexec-tools use mem=X@Y to pass usable memories to crash kernel, but in commit a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map") all BIOS passed memories are removed by early_parse_mem(). I think this is reasonable for a normal ke

[PATCH] mips: kdump: Crash kernel should be able to see old memories

2021-04-19 Thread Youling Tang
From: Huacai Chen kexec-tools use mem=X@Y to pass usable memories to crash kernel, but in commit a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map") all BIOS passed memories are removed by early_parse_mem(). I think this is reasonable for a normal kernel but not for a crash kernel, because