[Xen-devel] Re: [patch 10/21] Xen-paravirt: add hooks to intercept mm creation and destruction

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Pavel Machek wrote:
> Hi!
>
>   
>> @@ -126,6 +126,12 @@ struct paravirt_ops
>>      void (*io_delay)(void);
>>      void (*const_udelay)(unsigned long loops);
>>  
>> +    void (fastcall *activate_mm)(struct mm_struct *prev,
>> +                                 struct mm_struct *next);
>> +    void (fastcall *dup_mmap)(struct mm_struct *oldmm, 
>> +                              struct mm_struct *mm);
>> +    void (fastcall *exit_mmap)(struct mm_struct *mm);
>> +
>>     
>
> Why the fastcall stuff?  Why is io_delay different from activate_mm in
> this regard?
>   

That's crud; I forgot to remove it.  Everything is effectively fastcall
now that -mregparm=3 is always on.

    J

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