Messages in this thread | | | Date | Tue, 20 Aug 2019 22:39:39 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 1/1] Fix: trace sched switch start/stop racy updates |
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On Tue, Aug 20, 2019 at 01:31:35PM -0700, Paul E. McKenney wrote: > On Tue, Aug 20, 2019 at 04:01:16PM +0200, Peter Zijlstra wrote:
> > We really should get the compiler folks to give us a > > -fno-pointer-provenance. Waiting on the standards committee to get their > > act together seems unlikely, esp. given that some people actually seem > > to _want_ this nonsense :/ > > The reason that they want it is to enable some significant optimizations > in numerical code on the one hand and in heavily templated C++ code on > the other. Neither of which has much bearing on kernel code. > > Interested in coming to the next C standards committee meeting in October > to help me push for this? ;-)
How about we try and get some compiler folks together at plumbers and bribe them with beer? Once we have our compiler knob, we happy :-)
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