2011/7/21  <coolda...@cooldavid.org>:
> From: Guo-Fu Tseng <coolda...@cooldavid.org>
>
> This patch add the missing dma_unmap().
> Which solved the critical issue of system freeze on heavy load.
>
> Michal Miroslaw's rejected patch:
> [PATCH v2 10/46] net: jme: convert to generic DMA API
> Pointed out the issue also, thank you Michal.
> But the fix was incorrect. It would unmap needed address
> when low memory.

My patch also fixed another issue - from correctness point of view,
you should not use virt_to_page+dma_map_page here, but dma_map_single.

Best Regards,
Michał Mirosław

_______________________________________________
stable mailing list
stable@linux.kernel.org
http://linux.kernel.org/mailman/listinfo/stable

Reply via email to