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Groups > linux.kernel > #1405857
| From | Christophe Leroy <christophe.leroy@c-s.fr> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] powerpc: inline current_stack_pointer() |
| Date | 2016-05-24 07:50 +0200 |
| Message-ID | <rCdo6-7F4-13@gated-at.bofh.it> (permalink) |
| References | <rBTIJ-3A5-5@gated-at.bofh.it> <rC5gS-2zt-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Le 23/05/2016 à 22:22, Segher Boessenkool a écrit :
> On Mon, May 23, 2016 at 10:46:02AM +0200, Christophe Leroy wrote:
>> +static inline unsigned long current_stack_pointer(void)
>> +{
>> + register unsigned long *ptr asm("r1");
>> +
>> + return *ptr;
>> +}
> Register asm is only guaranteed to work as input to inline asm. NAK.
>
Does it mean that the following declaration in
arch/powerpc/include/asm/paca.h is wrong too ?
register struct paca_struct *local_paca asm("r13");
Christophe
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[PATCH] powerpc: inline current_stack_pointer() Christophe Leroy <christophe.leroy@c-s.fr> - 2016-05-23 10:50 +0200
Re: [PATCH] powerpc: inline current_stack_pointer() Segher Boessenkool <segher@kernel.crashing.org> - 2016-05-23 23:10 +0200
Re: [PATCH] powerpc: inline current_stack_pointer() Christophe Leroy <christophe.leroy@c-s.fr> - 2016-05-24 07:50 +0200
Re: [PATCH] powerpc: inline current_stack_pointer() Segher Boessenkool <segher@kernel.crashing.org> - 2016-05-24 08:10 +0200
Re: [PATCH] powerpc: inline current_stack_pointer() Gabriel Paubert <paubert@iram.es> - 2016-05-24 08:50 +0200
Re: [PATCH] powerpc: inline current_stack_pointer() Paul Mackerras <paulus@ozlabs.org> - 2016-05-25 05:50 +0200
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