lkml.org 
[lkml]   [2007]   [Aug]   [9]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateWed, 08 Aug 2007 22:47:26 -0700
FromJeremy Fitzhardinge <>
SubjectRe: [PATCH 4/25] [PATCH] Add debugreg/load_rsp native hooks
Andi Kleen wrote:
>> @@ -264,13 +270,64 @@ struct thread_struct {
>>  	set_fs(USER_DS);							 \
>>  } while(0)
>>
>> -#define get_debugreg(var, register)				\
>> -		__asm__("movq %%db" #register ", %0"		\
>> -			:"=r" (var))
>> -#define set_debugreg(value, register)			\
>> -		__asm__("movq %0,%%db" #register		\
>> -			: /* no output */			\
>> -			:"r" (value))
>> +static inline unsigned long native_get_debugreg(int regno)
>> +{
>> +	unsigned long val;
>> 
>
> It would be better to have own functions for each debug register I think
> 

?  A separate pvop for each?  Seems excessive.  And surely this should
be identical to 32bit either way.

    J
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-08-09 07:51    [from the cache]
©2003-2008