Re: [RFR] Store tearing

On Mon, Oct 29, 2018 at 10:23:07AM +0100, Arnd Bergmann wrote: > On Mon, Oct 29, 2018 at 2:21 AM Paul E. McKenney > wrote: > > > > On Mon, Oct 29, 2018 at 12:10:03AM +0100, Andrea Parri wrote: > > > Hopefully, with Paul's proper email address this time, > > > > > > Andrea > > > > > > On Mon, Oc

Re: [RFR] Store tearing

On Mon, Oct 29, 2018 at 2:21 AM Paul E. McKenney wrote: > > On Mon, Oct 29, 2018 at 12:10:03AM +0100, Andrea Parri wrote: > > Hopefully, with Paul's proper email address this time, > > > > Andrea > > > > On Mon, Oct 29, 2018 at 12:06:27AM +0100, Andrea Parri wrote: > > > Hi, > > > > > > memory-b

Re: [RFR] Store tearing

On Sun, Oct 28, 2018 at 06:20:42PM -0700, Paul E. McKenney wrote: > On Mon, Oct 29, 2018 at 12:10:03AM +0100, Andrea Parri wrote: > > Hopefully, with Paul's proper email address this time, > > > > Andrea > > > > On Mon, Oct 29, 2018 at 12:06:27AM +0100, Andrea Parri wrote: > > > Hi, > > > > >

Re: [RFR] Store tearing

On Mon, Oct 29, 2018 at 12:10:03AM +0100, Andrea Parri wrote: > Hopefully, with Paul's proper email address this time, > > Andrea > > On Mon, Oct 29, 2018 at 12:06:27AM +0100, Andrea Parri wrote: > > Hi, > > > > memory-barriers.txt says: > > > > [on "store tearing"] > > > > "In fact, a r

Re: [RFR] Store tearing

Hopefully, with Paul's proper email address this time, Andrea On Mon, Oct 29, 2018 at 12:06:27AM +0100, Andrea Parri wrote: > Hi, > > memory-barriers.txt says: > > [on "store tearing"] > > "In fact, a recent bug (since fixed) caused GCC to incorrectly use >this optimization in a vola

[RFR] Store tearing

Hi, memory-barriers.txt says: [on "store tearing"] "In fact, a recent bug (since fixed) caused GCC to incorrectly use this optimization in a volatile store.". I was wondering if you could help me retrieve some reference/discussions about this? Thanks, Andrea