Re: [PATCH v3 17/21] vmcore: check NT_VMCORE_PAD as a mark indicating the end of ELF note buffer

Eric W. Biederman
2013-03-19T22:20:43Z

HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com> writes:

> Modern kernel marks the end of ELF note buffer with NT_VMCORE_PAD type
> note in order to make the buffer satisfy mmap()'s page-size boundary
> requirement. This patch makes finishing reading each buffer if the
> note type now being read is NT_VMCORE_PAD type.

There is absolutely no need for this ABI change. If you need a wasteful
pad note taking up space (which I see no evicence for) you can still
terminate this with an empty note.

Eric