Messages in this thread | | | Date | Fri, 02 May 2008 15:32:10 -0700 (PDT) | Subject | Re: HELP: Is writeq an atomic operation?? | From | David Miller <> |
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From: "Moore, Eric" <Eric.Moore@lsi.com> Date: Fri, 2 May 2008 16:19:49 -0600
> Is a 64bit write to MMIO registers an atomic operation when using the > writeq API?
The answer to this question this is platform dependent.
On most 64-bit platforms, it is. On some 32-bit ones, it is not.
This is not a SCSI layer question, so belongs minimally on linux-kernel which I've CC:'d.
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