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    SubjectRE: [uclinux-dist-devel] [PATCH] mutex:SMP:bf561:Run smp memory barrier after take atomic lock in mutex_fastpath APIs.
    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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