Re: [PATCH] FRV: Wire up new syscalls

[David Howells]

Paul Mackerras <paulus@xxxxxxxxx> wrote:

> I did a generic implementation using irq disable on UP and hashed
> spin-locks on SMP.  See 09d4e0ed for the implementation

I can do better than that on FRV.  FRV has load/store-double instructions that
I can use to atomically load/store 64-bit memory locations by using paired
registers for the data.

David
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