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Groups > linux.kernel > #1227714
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] kernel: fix data race in put_pid |
| Date | 2015-09-18 11:40 +0200 |
| Message-ID | <qa0j8-78w-9@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <q9LtN-2jP-29@gated-at.bofh.it> <q9LDs-2vw-17@gated-at.bofh.it> <q9LWN-38s-1@gated-at.bofh.it> <q9ZGr-67w-31@gated-at.bofh.it> <q9ZQ6-6yg-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Sep 18, 2015 at 10:57:32AM +0200, Peter Zijlstra wrote:
> diff --git a/arch/metag/include/asm/atomic_lnkget.h b/arch/metag/include/asm/atomic_lnkget.h
> index 21c4c268b86c..1bd21c933435 100644
> --- a/arch/metag/include/asm/atomic_lnkget.h
> +++ b/arch/metag/include/asm/atomic_lnkget.h
> @@ -3,7 +3,8 @@
>
> #define ATOMIC_INIT(i) { (i) }
>
> -#define atomic_set(v, i) ((v)->counter = (i))
> +/* XXX: should be LNKSETD ? */
> +#define atomic_set(v, i) WRITE_ONCE((v)->counter, (i))
>
> #include <linux/compiler.h>
>
James?
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[PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-17 15:30 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-17 18:20 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-17 18:50 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-17 19:50 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-17 20:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-17 20:10 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-17 20:20 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-17 20:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 11:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 11:10 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 11:40 +0200
Re: [PATCH] kernel: fix data race in put_pid James Hogan <james.hogan@imgtec.com> - 2015-09-18 14:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 14:50 +0200
Re: [PATCH] kernel: fix data race in put_pid "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-18 18:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-18 11:10 +0200
Re: [PATCH] kernel: fix data race in put_pid Will Deacon <will.deacon@arm.com> - 2015-09-18 11:30 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 11:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 13:30 +0200
Re: [PATCH] kernel: fix data race in put_pid Will Deacon <will.deacon@arm.com> - 2015-09-18 13:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-18 14:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 14:10 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 14:30 +0200
Re: [PATCH] kernel: fix data race in put_pid Will Deacon <will.deacon@arm.com> - 2015-09-18 14:50 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 15:20 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-18 15:50 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 16:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-18 16:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-18 16:50 +0200
Re: [PATCH] kernel: fix data race in put_pid Dmitry Vyukov <dvyukov@google.com> - 2015-09-22 10:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Eric Dumazet <eric.dumazet@gmail.com> - 2015-09-18 18:20 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 18:30 +0200
Re: [PATCH] kernel: fix data race in put_pid "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-18 18:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-18 15:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-18 15:40 +0200
Re: [PATCH] kernel: fix data race in put_pid Peter Zijlstra <peterz@infradead.org> - 2015-09-18 16:00 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-18 17:10 +0200
Re: [PATCH] kernel: fix data race in put_pid Oleg Nesterov <oleg@redhat.com> - 2015-09-18 17:40 +0200
Re: [PATCH] kernel: fix data race in put_pid "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-18 18:30 +0200
Re: [PATCH] kernel: fix data race in put_pid "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-09-17 20:00 +0200
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