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 <tho...@monjalon.net>
Tested-by: Ferruh Yigit <ferruh.yi...@intel.com>