On 15 February 2011 16:46, Russell King - ARM Linux <li...@arm.linux.org.uk> wrote: > On Tue, Feb 15, 2011 at 04:11:09PM +0100, Per Forlin wrote: >> True. In my case write back is disable but read back is enable, that's >> why I didn't consider it. > > What do you mean "write back is disable" ? You can only prevent > writebacks by using a write-through cache. > I meant "no write allocate"
> Any writeback cache, whether in read-allocate or read-write-allocate > mode will have writebacks. > Yepp, this is where I jumped to conclusions. I thought there would be no writebacks if using "no write allocate". Now that I look at the cache documentation again it feels so obvious. Thanks for explaining this to me, Per _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
