[PATCH] powerpc: Use lwsync on 64bit

Carlos Eduardo Seo cseo@linux.vnet.ibm.com
Mon Feb 13 14:24:00 GMT 2017



On 2/12/17, 9:22 PM, "Anton Blanchard" <libc-alpha-owner@sourceware.org on behalf of anton@samba.org> wrote:

    Either an isync or an lwsync can be used as an acquire barrier after
    a larx/stcx/bne sequence. All 64bit CPUs support lwsync and since the
    isync instruction has other side effects that we don't need, use lwsync.
    

OK


--
Carlos Eduardo Seo
Software Engineer - Linux on Power Toolchain
cseo@linux.vnet.ibm.com
 





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