Messages in this thread | | | Date | Wed, 4 Nov 2015 15:56:27 +0100 | From | Ingo Molnar <> | Subject | Re: [GIT PULL] locking changes for v4.4 |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> On Wed, Nov 04, 2015 at 12:48:50PM +0100, Ingo Molnar wrote: > > > > * Linus Torvalds <torvalds@linux-foundation.org> wrote: > > > > > On Tue, Nov 3, 2015 at 3:58 PM, Linus Torvalds > > > <torvalds@linux-foundation.org> wrote: > > > > > > > > I think I'll pull this, but then just make a separate commit to remove > > > > Thanks! > > > > > > all the bogus games with "control" dependencies that seem to have no basis is > > > > reality. > > > > > > So the attached is what I committed in my tree. [...] > > > > Acked-by: Ingo Molnar <mingo@kernel.org> > > > > > + dependency into nonexistence. Careful use of READ_ONCE() or > > > + atomic{,64}_read() can help to preserve your control dependency. > > > + Please see the Compiler Barrier section for more information. > > > > So technically it's the "COMPILER BARRIER" section, but this is a pre-existing > > formulation and the document doesn't use such references consistently so I guess > > it doesn't matter much. > > I will take a pass through and fix these up. I don't see this as urgent, > so will add it to my patches for the next merge window.
Sounds good to me!
Thanks,
Ingo
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