[PATCH 1/2] kexec: add a dummy note for each offline cpu
bhe at redhat.com
Wed Dec 14 00:25:01 PST 2016
On 12/14/16 at 04:15pm, Liu ping fan wrote:
> On Wed, Dec 14, 2016 at 3:40 PM, Baoquan He <bhe at redhat.com> wrote:
> > On 12/14/16 at 02:11pm, Pingfan Liu wrote:
> >> kexec-tools always allocates program headers for each possible cpu. This
> >> incurs zero PT_NOTE for offline cpu. We mark this case so that later,
> >> the capture kernel can distinguish it from the mistake of allocated
> >> program header.
> >> The counterpart of the capture kernel comes in next patch.
> > When you execute dmesg on your testing machine and grep nr_cpu_ids,
> > what's the value of nr_cpu_ids?
And what's the cpu number of in "lscpu" command?
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