[PATCH v4 4/5] kexec: add option to fall back to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported.

Dave Young dyoung at redhat.com
Tue Mar 13 20:44:55 PDT 2018

On 03/13/18 at 10:30am, Tony Jones wrote:
> On 03/06/2018 05:15 AM, Michal Suchanek wrote:
> > Not all architectures implement KEXEC_FILE_LOAD. However, on some
> > archiectures KEXEC_FILE_LOAD is required when secure boot is enabled in
> > locked-down mode. Previously users had to select the KEXEC_FILE_LOAD
> > syscall with undocumented -s option. However, if they did pass the
> > option kexec would fail on architectures that do not support it.
> > 
> > So add an -a option that tries KEXEC_FILE_LOAD and when it is not
> > supported tries KEXEC_LOAD.
> > 
> > Signed-off-by: Michal Suchanek <msuchanek at suse.de>
> David, Simon.
> Is there any feedback on v4 of this patchset?  Adding a new option for fallback rather than changing the existing behavior was the v3 feedback on March 2nd.

Tony, sure, I just replied with several comments, but still need Simon
to review in case I may miss something.

> Cheers!
> Tony


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