Messages in this thread | | | Subject | Re: local64_cmpxchg() in arc_perf_event_update() | From | Vineet Gupta <> | Date | Tue, 17 Nov 2015 18:54:11 +0530 |
| |
On Tuesday 17 November 2015 05:55 PM, Peter Zijlstra wrote: > On Tue, Nov 17, 2015 at 01:24:01PM +0100, Peter Zijlstra wrote: >> > On Tue, Nov 17, 2015 at 04:53:04PM +0530, Vineet Gupta wrote: >>> > > That means Alexey need to revert the hunk ? >> > >> > Yes, I think so. > This is assuming you now have these NMIs we talked about earlier. If all > you have are regular IRQs this is not possible, for we should be calling > ->read() with IRQs disabled.
Ok then there is not need for this change ATM. I'll queue up the revert in the branch which brings NMI support !
Thx, -Vineet
| |