On 03/06/18 at 02:15pm, Michal Suchanek wrote: > Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx> > --- > kexec/kexec.8 | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/kexec/kexec.8 b/kexec/kexec.8 > index e0131b4ea827..b3543db3f413 100644 > --- a/kexec/kexec.8 > +++ b/kexec/kexec.8 > @@ -144,6 +144,21 @@ Load the new kernel for use on panic. > Specify that the new kernel is of this > .I type. > .TP > +.BI \-s\ (\-\-kexec-file-syscall) > +Specify that the new KEXEC_FILE_LOAD syscall should be used exclusively. > +.TP > +.BI \-c\ (\-\-kexec-syscall) > +Specify that the old KEXEC_LOAD syscall should be used exclusively (the default). > +.TP > +.BI \-a\ (\-\-kexec-syscall-auto) > +Try the new simpler KEXEC_FILE_LOAD syscall first and if it is not supported > +fall back to the old KEXEC_LOAD interface. > + > +There is no one single interface that always works. KEXEC_FILE_LOAD is required > +on systems that use locked-down secure boot to verify the kernel signature. > +KEXEC_LOAD is required for some kernel image formats and on architectures that > +do not support KEXEC_FILE_LOAD. > +.TP > .B \-u\ (\-\-unload) > Unload the current > .B kexec > -- > 2.13.6 > Actually while I replied this mail, I tried 'kexec -c -a' system immediately rebooted. Also as I noted in patch 4 a 'break' is missing so does it work on your side? I think it need more testing. Another question I have is not sure if '-c' is a good option letter, but I do not have suggestion as well.. Thanks Dave _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
