On Tue, 3 Aug 1999, Brendan Simon wrote:
> > Is it possible that the data that is suppose to be in the shared memory is
> > actually in cached memory? I know the cacheflush() command would help me
> > in RTLinux, but what about QNX? Any other ideas?
>
> I guess it is possible that the data is cached. To prove this you could use
Yes. It is possible, that "ioremap" Linux call also disables the cache for
the remapped memory.
Then there is no need for flushing.
Search the linux-kernel and RTL mailing lists.
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Tomek
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