On Monday 19 December 2016 08:10 AM, Dave Young wrote: > Hi, Pingfan > > On 12/19/16 at 10:08am, Pingfan Liu wrote: >> > kexec-tools always allocates program headers for present cpus. But >> > when crashing, offline cpus have dummy headers. We do not copy these >> > dummy notes into ELF file, also have no need of warning on them. > I still think it is not worth such a fix, if you feel a lot of warnings > in case large cpu numbers, I think you can change the pr_warn to > pr_warn_once, we do not care the null cpu notes if it has nothing bad > to the vmcore. > I agree. Warning is more like information here. May be, we can count the number of times real_sz was 0, and then can print an info at the end in stead of warning, like..."N number of CPUs would have been offline, PT_NOTE entries was absent for them." ~Pratyush
