Re: [Xen-devel] xen/x86: efi: warning value truncated

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 14.06.16 at 12:15, <ross.lagerwall@xxxxxxxxxx> wrote:
> On 06/14/2016 10:24 AM, Jan Beulich wrote:
>>>>> On 13.06.16 at 19:13, <julien.grall@xxxxxxx> wrote:
>>> I noticed the warnings below when building Xen x86
>>> with Livepatch enabled.
>>
>> I did notice some of these too (not as many though, iirc), but I
>> didn't get around yet to check what exactly is causing them. Since
>> they're in the symbol table files only, I didn't consider them too
>> concerning (at worst some odd symbol won't be found or be
>> associated with the wrong address).
>>
> 
> On my build, they are:
> 
> multiboot1_header_start|000000000000051e|   ?  |
> multiboot1_header_start|00000000000008a1|   ?  |
> multiboot1_header_start|00000000000008a3|   ?  |
> multiboot1_header_start|00000000000008a8|   ?  |
> multiboot1_header_start|000000000000102f|   ?  |
> multiboot1_header_start|0000000000001033|   ?  |
> multiboot1_header_start|0000000000001037|   ?  |
> __init_end |ffff82d180650000| D |

Aren't these symbols from the final binary (which get wrongly named
without fixed binutils)? Whereas Julien's issue was with warnings from
the assembler?

> None of these look particularly important to me.

Not very important I agree with. But we should still try to eliminate
such warnings, as they validly raise concerns to whoever gets to
see them (and likely doesn't know they're irrelevant).

Jan


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