On Tue, 23 Oct 2001 02:05:54 -0400,
Brian Gerst <bgerst@didntduck.org> wrote:
>Keith Owens wrote:
>> You will need a spin lock around that on 32 bit systems, but that is
>> true for anything that tries to do 64 bit counter updates on a 32 bit
>> system.
>
>cmpxchg8b does, but it's a bit indirect.
Not on 386, only on 486 and above. Besides, you want to avoid arch
specific asm code.
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This archive was generated by hypermail 2b29 : Tue Oct 23 2001 - 21:00:35 EST