Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1403481

Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with ISO-C++11 atomics

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with ISO-C++11 atomics
Date 2016-05-19 09:50 +0200
Message-ID <rAqSu-5eP-3@gated-at.bofh.it> (permalink)
References <rAbqp-3On-7@gated-at.bofh.it> <rAbqq-3On-21@gated-at.bofh.it> <rAdBU-584-21@gated-at.bofh.it> <rAqIN-5bD-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Thu, May 19, 2016 at 08:36:49AM +0100, David Woodhouse wrote:
> On Wed, 2016-05-18 at 19:32 +0200, Peter Zijlstra wrote:
> > 
> > Does this generate 'sane' code for LL/SC archs? That is, a single LL/SC
> > loop and not a loop around an LL/SC cmpxchg.
> 
> The whole point of using compiler intrinsics and letting the compiler
> actually see what's going on... is that it bloody well should :)

Should and does be two different things of course ;-)

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics David Howells <dhowells@redhat.com> - 2016-05-18 17:20 +0200
  Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-18 19:40 +0200
    Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics David Woodhouse <dwmw2@infradead.org> - 2016-05-19 09:40 +0200
      Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-19 09:50 +0200
    Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with ISO-C++11 atomics David Howells <dhowells@redhat.com> - 2016-05-19 12:00 +0200
      Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-19 13:00 +0200
        Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-19 13:40 +0200
        Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-19 13:40 +0200
        Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-05-19 16:30 +0200
          Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-19 16:50 +0200
            Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-05-19 17:10 +0200
              Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Michael Ellerman <mpe@ellerman.id.au> - 2016-05-20 11:40 +0200
                Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-05-23 20:40 +0200
  Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-18 19:40 +0200
  Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with  ISO-C++11 atomics Peter Zijlstra <peterz@infradead.org> - 2016-05-18 19:40 +0200

csiph-web