[Makedumpfile PATCH 1/2] makedumpfile: add runtime kaslr offset if it exists
panand at redhat.com
Thu Apr 27 23:00:17 PDT 2017
On Friday 28 April 2017 11:10 AM, Xunlei Pang wrote:
>> + */
>> + get_kaslr_offset(SYMBOL(_stext));
> Looks like acquiring "KERNELOFFSET" in read_vmcoreinfo() should be enough here.
Ah..OK..but may be not here..rather in get_kaslr_offset_x86_64() would be
better. Not all arch could export this offset.
> We can get kaslr offset directly from the vmcoreinfo because the compressed dumpfile
> contains vmcoreinfo as well in case of flag_refiltering, also x86_64 kernel has exported
> "vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());"
More information about the kexec