Re: [PATCHv3 0/4] arm64: make phys_to_virt() correct

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Hi Pingfan,

On Tue, Dec 28, 2021 at 09:26:55PM +0800, Pingfan Liu 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.
> 
> v2 -> v3:
> Discussed with Kairui off-list, 48-bits VA kernel can not handle flipped
> mm yet. So introducing [4/4], which judges whether the kernel is with
> flipped mm layout and adopt different formula accordingly.
> 
> As for [1-3/4], they are the same as [1-3/3] in V2.
> 
> v1 -> v2
> Fix broken patch [2/3] in v1
> Move arch_scan_vmcoreinfo declaration to util_lib/include/elf_info.h
> Using UINT64_MAX instread of 0xffffffffffffffff

Thanks for the updated patches and sorry for the delay in reviewing them.

I responded with some minor nits on patches 1/4 and 2/4.
The other patches 3/4 and 4/4 look good to me.

Modulo any feedback from others I'd be happy to move forwards
with applying this series once my nits have been addressed
(via email or fresh patches).

Thanks again,
Simon


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