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Re: [Xen-devel] [PATCH] livepatch: always print XENLOG_ERR information (ARM, ELF)


  • To: Pawel Wieczorkiewicz <wipawel@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Wed, 21 Aug 2019 11:20:53 +0100
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  • Cc: wipawel@xxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
  • Delivery-date: Wed, 21 Aug 2019 10:21:01 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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On 21/08/2019 11:04, Pawel Wieczorkiewicz wrote:
> diff --git a/xen/common/livepatch_elf.c b/xen/common/livepatch_elf.c
> index dd8b47a1fa..18b9684aeb 100644
> --- a/xen/common/livepatch_elf.c
> +++ b/xen/common/livepatch_elf.c
> @@ -55,7 +55,7 @@ static int elf_resolve_sections(struct livepatch_elf *elf, 
> const void *data)
>      sec = xzalloc_array(struct livepatch_elf_sec, elf->hdr->e_shnum);
>      if ( !sec )
>      {
> -        dprintk(XENLOG_ERR, LIVEPATCH"%s: Could not allocate memory for 
> section table!\n",
> +        printk(XENLOG_ERR LIVEPATCH"%s: Could not allocate memory for 
> section table\n",
>                 elf->name);
>          return -ENOMEM;
>      }
> @@ -81,22 +81,22 @@ static int elf_resolve_sections(struct livepatch_elf 
> *elf, const void *data)
>               (sec[i].sec->sh_type != SHT_NOBITS && /* Skip SHT_NOBITS */
>                (delta > elf->len || (delta + sec[i].sec->sh_size > 
> elf->len))) )
>          {
> -            dprintk(XENLOG_ERR, LIVEPATCH "%s: Section [%u] data %s of 
> payload!\n",
> -                    elf->name, i,
> +            printk(XENLOG_ERR LIVEPATCH "%s: Section [%u] data %s of 
> payload\n",
> +                   elf->name, i,
>                      delta < sizeof(Elf_Ehdr) ? "at ELF header" : "is past 
> end");
> @@ -328,7 +328,7 @@ int livepatch_elf_resolve_symbols(struct livepatch_elf 
> *elf)
>  
>              if ( rc )
>              {
> -                dprintk(XENLOG_ERR, LIVEPATCH "%s: Out of bounds symbol 
> section %#x\n",
> +                printk(XENLOG_ERR LIVEPATCH "%s: Out of bounds symbol 
> section %#x\n",
>                          elf->name, idx);
>                  break;
>              }

These three hunks have minor indentation/spacing issues.  All can be
fixed up on commit.

Everything else LGTM.

~Andrew

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