Re: Continual reading from the PowerPc time base register is not stable
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2010-03-25 22:57:43
On Thu, 2010-03-25 at 16:00 -0600, Chris Friesen wrote:
Shouldn't "upper" be cast to 64-bit before shifting?
Yup but that doesn't explain his results. I think Segher nailed it to a stuck bit tho, so I would blame defective HW or HW used outside of normal operating conditions (maybe the TB is sourced out of bounds ?) Cheers, Ben.