linux-kernel - Re: [PATCH v3 09/29] x86: assembly, use DATA

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Date:   Thu, 27 Apr 2017 14:30:05 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     Pavel Machek <pavel@....cz>
Cc:     mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
        x86@...nel.org, jpoimboe@...hat.com, linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>, linux-pm@...r.kernel.org
Subject: Re: [PATCH v3 09/29] x86: assembly, use DATA_SIMPLE for data

Hi,

On 04/27/2017, 01:53 PM, Pavel Machek wrote:
>> @@ -91,11 +91,11 @@ ENDPROC(do_suspend_lowlevel)
>>  
>>  .data
>>  ALIGN
>> -ENTRY(saved_magic)	.long	0
>> -ENTRY(saved_eip)	.long	0
>> +SYM_DATA_SIMPLE(saved_magic, .long 0)
>> +SYM_DATA_SIMPLE_LOCAL(saved_eip, .long 0)
>>  
>>  # saved registers
>> -saved_idt:	.long	0,0
>> -saved_ldt:	.long	0
>> -saved_tss:	.long	0
>> +SYM_DATA_SIMPLE_LOCAL(saved_idt, .long 0,0)
>> +SYM_DATA_SIMPLE_LOCAL(saved_ldt, .long 0)
>> +SYM_DATA_SIMPLE_LOCAL(saved_tss, .long 0)
> 
> Do we really need to mark local data like that? It complicates the
> source code a bit...

Not really -- if the preferred way is not to annotate local symbols, I
can indeed remove that.

thanks,
-- 
js
suse labs



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