[PATCHv4 1/4] arm64: make phys_offset signed

[Pingfan Liu]

On Fri, Jan 21, 2022 at 2:09 AM Philipp Rudo <prudo at redhat.com> wrote:
>
> Hi Pingfan,
>
> On Tue, 18 Jan 2022 15:48:09 +0800
> Pingfan Liu <piliu at redhat.com> wrote:
>
> > After kernel commit 7bc1a0f9e176 ("arm64: mm: use single quantity to
> > represent the PA to VA translation"), phys_offset can be negative if
> > running 52-bits kernel on 48-bits hardware.
> >
> > So changing phys_offset from unsigned to signed.
> >
> > Signed-off-by: Pingfan Liu <piliu at redhat.com>
> > Cc: Kairui Song <kasong at tencent.com>
> > Cc: Simon Horman <horms at verge.net.au>
> > Cc: Philipp Rudo <prudo at redhat.com>
> > To: kexec at lists.infradead.org
> > ---
> >  kexec/arch/arm64/kexec-arm64.c | 12 ++++++------
> >  kexec/arch/arm64/kexec-arm64.h |  2 +-
> >  util_lib/elf_info.c            |  2 +-
> >  util_lib/include/elf_info.h    |  2 +-
> >  4 files changed, 9 insertions(+), 9 deletions(-)
> >
>
> [...]
>
> > diff --git a/kexec/arch/arm64/kexec-arm64.h b/kexec/arch/arm64/kexec-arm64.h
> > index ed447ac..1844b67 100644
> > --- a/kexec/arch/arm64/kexec-arm64.h
> > +++ b/kexec/arch/arm64/kexec-arm64.h
> > @@ -58,7 +58,7 @@ extern off_t initrd_size;
> >   */
> >
> >  struct arm64_mem {
> > -     uint64_t phys_offset;
> > +     long phys_offset;
>
> I think this one should be int64_t as well.
>
Yes, you are right. Thanks for your careful review.

@Simon, could you help to correct it or prefer my V5 to fix it.

Thanks,

PIngfan