[PATCH 0/3] Add OMAP hardware spinlock misc driver

[Peter Zijlstra]

On Mon, 2010-10-18 at 09:44 +0200, Ohad Ben-Cohen wrote:
> OMAP4 introduces a Spinlock hardware module, which provides hardware
> assistance for synchronization and mutual exclusion between heterogeneous
> processors and those not operating under a single, shared operating system
> (e.g. OMAP4 has dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP). 

I just have to ask... was it really easier to build silicon than to
agree on a spinlock ABI?