Vivek Goyal <vgoyal at redhat.com> writes: > On Thu, Mar 07, 2013 at 01:54:45PM -0800, Eric W. Biederman wrote: >> Vivek Goyal <vgoyal at redhat.com> writes: >> > I think this is not a good idea. It has several issues. >> >> Actually it does not appear to be doing any work in the first kernel. > > Looks like patch3 in series is doing that. > > machine_crash_shutdown(&fixed_regs); > + generate_crash_dump_bitmap(); > machine_kexec(kexec_crash_image); > > So this bitmap seems to be being set just before transitioning into > second kernel. > > I am sure you would not like this extra code in this path. :-) Ouch! I had totally missed that. No that is not at all acceptable. I was blind that day. The only call I saw was in patch 4 that put the call generated the bitmap in the new proc file. Eric
