[PATCH 0/3] arm64: make phys_to_virt() correct

Pingfan Liu piliu at redhat.com
Tue Dec 14 17:43:06 PST 2021


+ AKASHI Takahiro
+ Simon Horman

Thank you guys for any suggestions.
And vmcore-dmesg just can not work for 52-bits VA arm64 now.

Thanks,
Pingfan

On Fri, Dec 10, 2021 at 11:07 AM Pingfan Liu <piliu at redhat.com> wrote:
>
> Currently phys_to_virt() does not work well on 52-bits VA arm64 kernel.
> One issue is contributed by phys_offset not signed.
> The other is contributed by wrong page_offset.
>
> This series fixes them so vmcore-dmesg can work on 52-bits VA kernel
>
> Pingfan Liu (3):
>   arm64: make phys_offset signed
>   arm64/crashdump: unify routine to get page_offset
>   arm64: read VA_BITS from kcore for 52-bits VA kernel
>
>  kexec/arch/arm64/crashdump-arm64.c | 23 +---------------
>  kexec/arch/arm64/kexec-arm64.c     | 43 +++++++++++++++++++++++-------
>  kexec/arch/arm64/kexec-arm64.h     |  4 ++-
>  util_lib/elf_info.c                |  7 ++++-
>  util_lib/include/elf_info.h        |  2 +-
>  5 files changed, 44 insertions(+), 35 deletions(-)
>
> --
> 2.31.1
>




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