lkml.org 
[lkml]   [2017]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH v2 08/11] ARC: [plat-eznps] spinlock aware for MTM
Date
> From: Vineet Gupta [mailto:Vineet.Gupta1@synopsys.com] 
> Sent: Friday, June 2, 2017 21:36 PM
...

>> arch/arc/include/asm/spinlock.h | 6 ++++++
>> 1 files changed, 6 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arc/include/asm/spinlock.h
>> b/arch/arc/include/asm/spinlock.h index 233d5ff..0a54ce7 100644
>> --- a/arch/arc/include/asm/spinlock.h
>> +++ b/arch/arc/include/asm/spinlock.h
>> @@ -252,9 +252,15 @@ static inline void arch_spin_lock(arch_spinlock_t
>> *lock)
>>
>> __asm__ __volatile__(
>> "1: ex %0, [%1] \n"
>> +#ifdef CONFIG_EZNPS_MTM_EXT
>> + " .word %3 \n"
>> +#endif
>> " breq %0, %2, 1b \n"
>> : "+&r" (val)
>> : "r"(&(lock->slock)), "ir"(__ARCH_SPIN_LOCK_LOCKED__)
>> +#ifdef CONFIG_EZNPS_MTM_EXT
>> + , "i"(CTOP_INST_SCHD_RW)
>> +#endif
>> : "memory");
>>
>> /*
>>

>This is ugly - I will fix it up here to create an NPS version of arch_spin_lock !
TNX

-Noam
\
 
 \ /
  Last update: 2017-06-05 00:17    [W:0.199 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site