[dpdk-dev] [PATCH] kni: fix build on Linux < 3.14

Ferruh Yigit ferruh.yigit at intel.com
Sat Oct 27 00:42:43 CEST 2018


On 10/26/2018 10:56 PM, Thomas Monjalon wrote:
> 26/10/2018 23:40, Thomas Monjalon:
>> The atomic functions smp_load_acquire() and smp_store_release()
>> were introduced in Linux 3.14. Older kernels miss the functions:
>>
>> kni_fifo.h:19:2: error:
>> 	implicit declaration of function ‘smp_load_acquire’
>> kni_fifo.h:30:2: error:
>> 	implicit declaration of function ‘smp_store_release’
>>
>> The fallback is to drop the atomic barrier, as it was before
>> the commit below.
>>
>> Fixes: 711859cd0d07 ("kni: fix kernel FIFO synchronization")
>>
>> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>

Tested-by: Ferruh Yigit <ferruh.yigit at intel.com>


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