Re: [PATCH 3/5] perf_counter: rework ioctl()s

[Arnd Bergmann]

On Tuesday 12 May 2009, Peter Zijlstra wrote:
> Ah, so _IO() gets an unsigned long 3rd argument.
> _IOW() treats the 3rd arg as a (type __user *) and copies the bits over
> _IOR() copies the bits back out to userspace
> _IORW() does both
> 
> In which case the below should fix things up, no?
> 

Yes, this looks good now.

Thanks,

	Arnd <><
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