Re: [PATCH 1/2] kexec: Introduce a protection mechanism for the crashkernel reserved memory

2016-03-22 Thread Andrew Morton
On Wed, 23 Dec 2015 19:12:25 +0800 Xunlei Pang wrote: > For the cases that some kernel (module) path stamps the crash > reserved memory(already mapped by the kernel) where has been > loaded the second kernel data, the kdump kernel will probably > fail to boot when panic

Re: [PATCH 1/2] kexec: Introduce a protection mechanism for the crashkernel reserved memory

2016-03-22 Thread Andrew Morton
On Wed, 23 Dec 2015 19:12:25 +0800 Xunlei Pang wrote: > For the cases that some kernel (module) path stamps the crash > reserved memory(already mapped by the kernel) where has been > loaded the second kernel data, the kdump kernel will probably > fail to boot when panic happens (or even not

[PATCH 1/2] kexec: Introduce a protection mechanism for the crashkernel reserved memory

2015-12-23 Thread Xunlei Pang
For the cases that some kernel (module) path stamps the crash reserved memory(already mapped by the kernel) where has been loaded the second kernel data, the kdump kernel will probably fail to boot when panic happens (or even not happens) leaving the culprit at large, this is unacceptable. The

[PATCH 1/2] kexec: Introduce a protection mechanism for the crashkernel reserved memory

2015-12-23 Thread Xunlei Pang
For the cases that some kernel (module) path stamps the crash reserved memory(already mapped by the kernel) where has been loaded the second kernel data, the kdump kernel will probably fail to boot when panic happens (or even not happens) leaving the culprit at large, this is unacceptable. The