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From: Philipp Rudo <prudo@redhat.com>
To: kexec@lists.infradead.org
Subject: [PATCHv4 1/4] arm64: make phys_offset signed
Date: Thu, 20 Jan 2022 19:09:32 +0100	[thread overview]
Message-ID: <20220120190932.269510dc@rhtmp> (raw)
In-Reply-To: <20220118074812.27702-2-piliu@redhat.com>

Hi Pingfan,

On Tue, 18 Jan 2022 15:48:09 +0800
Pingfan Liu <piliu@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@redhat.com>
> Cc: Kairui Song <kasong@tencent.com>
> Cc: Simon Horman <horms@verge.net.au>
> Cc: Philipp Rudo <prudo@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.

Other than that
Reviewed-by: Philipp Rudo <prudo@redhat.com>

>  	uint64_t text_offset;
>  	uint64_t image_size;
>  	uint64_t vp_offset;



  reply	other threads:[~2022-01-20 18:09 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-18  7:48 [PATCHv4 0/4] arm64: make phys_to_virt() correct Pingfan Liu
2022-01-18  7:48 ` [PATCHv4 1/4] arm64: make phys_offset signed Pingfan Liu
2022-01-20 18:09   ` Philipp Rudo [this message]
2022-01-21  1:38     ` Pingfan Liu
2022-01-24  8:58       ` Simon Horman
2022-01-18  7:48 ` [PATCHv4 2/4] arm64/crashdump: unify routine to get page_offset Pingfan Liu
2022-01-20 18:09   ` Philipp Rudo
2022-01-18  7:48 ` [PATCHv4 3/4] arm64: read VA_BITS from kcore for 52-bits VA kernel Pingfan Liu
2022-01-20 18:09   ` Philipp Rudo
2022-01-18  7:48 ` [PATCHv4 4/4] arm64: fix PAGE_OFFSET calc for flipped mm Pingfan Liu
2022-01-20 18:08   ` Philipp Rudo
2022-01-21  1:36     ` Pingfan Liu
2022-01-24  9:10 ` [PATCHv4 0/4] arm64: make phys_to_virt() correct Simon Horman
2022-01-24  9:53   ` Pingfan Liu

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