Re: [OT] Wrapping memory.
Russell King (rmk@arm.linux.org.uk)
Tue, 4 Dec 2001 21:03:38 +0000
On Tue, Dec 04, 2001 at 04:39:50PM +0000, Jamie Lokier wrote:
> Unfortunately, the update_mmu_cache makes aliasing work properly while
> ruining performence, so then it's better to not to use the mapping trick
> at all in that case. To check for this, I have to call gettimeofday()
> between pairs of accesses, to check whether they are slow. I don't know
> for sure if this works because I don't have an ARM to try it on.
Why not create a program and email it to someone with an ARM machine?
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
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