Messages in this thread | | | From | "Zhang, Sonic" <> | Date | Wed, 26 Oct 2011 04:53:00 -0400 | Subject | RE: [uclinux-dist-devel] [PATCH] mutex:SMP:bf561:Run smp memory barrier after take atomic lock in mutex_fastpath APIs. |
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Hi Mike,
Our SMP atomic implementation doesn't include memory barrier. Is it a better way to add barrier there?
Thanks
Sonic
>-----Original Message----- >From: uclinux-dist-devel-bounces@blackfin.uclinux.org >[mailto:uclinux-dist-devel-bounces@blackfin.uclinux.org] On >Behalf Of Mike Frysinger >Sent: Wednesday, October 26, 2011 3:54 PM >To: Sonic Zhang >Cc: uclinux-dist-devel@blackfin.uclinux.org; Ingo Molnar; LKML >Subject: Re: [uclinux-dist-devel] [PATCH] mutex:SMP:bf561:Run >smp memory barrier after take atomic lock in mutex_fastpath APIs. > >unfortunately, this is incorrect. please see the thread: >https://lkml.org/lkml/2011/5/29/233 >-mike >_______________________________________________ >Uclinux-dist-devel mailing list >Uclinux-dist-devel@blackfin.uclinux.org >https://blackfin.uclinux.org/mailman/listinfo/uclinux-dist-devel > >
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