On 08/30/2018 01:45 PM, Peter Zijlstra wrote: >> >> Indeed this is the mother of all issues, I tried and system is clearly hosed with >> and works after. >> What's amazing is the commit 4aef66c8ae9 which introduced it is from 2016 ;-) >> Back then we had a retry branch with backoff stuff which I'd reverted for new >> cores and the merge conflict somehow missed it. >> >> @PeterZ I'll create a patch with you as author ? do I need any formal sign offs, >> acks etc ? > Well, Will spotted it, give authorship to him, you have my ack per the > above. Oops, sorry for the mixup. I have him as author now and pushed to ARC for-curr (will trickle into linux-next eventually). > FWIW, also ACK on Will's patch to switch you over to asm-generic bitops > entirely. Yeah I'll get it to that and your's after the clear_bit_lock stuff - sorry for hijacking this thread to that topic now -Vineet