Re: [PATCH 00/17] Add kexec_file_load support to s390

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Hi Dave
Hi AKASHI

On Mon, 26 Feb 2018 10:21:02 +0900
AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> wrote:

> > 
> > Arch code need arch maintainer to review, maybe either of you can send
> > the common part first before the arch code, eg. AKASHI can split the common
> >  cleanup patches and post them as a separate series, after these prep
> > series are reviewed then other patches can be refreshed based on it.
> > 
> > Seems in AKASHI's series, only patch 2, 3 ,4 ,5 is needed if split out
> > as a common change series.  
> 
> Yeah, all of those are touching kernel/kexec_file.c and in turn
> they can conflict if being applied with 390 patches, but none of changes
> that I made on kexec_file.c are overlapped with Phillips', I suppose
> that merging these two patch sets is rather straightforward.
> 
> @Phillips: I hope that your patch#14 and #17 be aligned with my patch#3
> as it is factoring out arch_kexec_{image_probe, image_load, verify_sig}()
> and arch_kimage_file_post_load_cleanup().

Splitting the common code patches from the series is totally fine with me.

On Friday I managed to get my code working with AKASHI's patches. After setting
ARCH_HAS_PURGATORY and cleaning up the kexec_* functions it worked basically out
of the box. However there is one problem with older compilers on s390. Please
see my comment on patch #3 for details.

Thanks
Philipp

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