On Mon, 1 Oct 2007, veerasena reddy wrote:
> I have ported Linux-2.6.18 kernel on MIPS24KE
> processor. I am using write back cache policy.
>
> Could you please guide me under what cases the below
> cache API's are being used:
> - dma_cache_wback_inv() : Could you explain what
> exactly this function does
It does both write back and invalidate.
> - dma_cache_wback() : This function write back the
> cache data to memory
> - dma_cache_inv : This function invalidate the cache
> tags. so subsequent access will fetch from memory.
Note that 2.6.18 is old. The above functions are intended to be removed.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
