Re: scatterlist: sg_set_buf() argument must be in linear mapping (sha1: ac4e97abce9b80c020e7113325f49e58b7b15e3f)

[Rusty Russell]

Michal Simek <monstr@xxxxxxxxx> writes:
> Hi Rusty and Jens,
>
> I am getting problem with your patch which you have added to the kernel.
> The problem is with my arm zynq remoteproc driver where
> I use dma_declare_coherent_memory() to specify memory for remoteproc
> which is ioremap to the vmalloc area.
>
> Based on that buf addr is not inside ram even this coherent memory is in ram.
> That's why virt_addr_valid(buf) is failing.

But sg_set_buf() calls virt_to_page(buf).  So does that work?

I would think calling sg_set_page() directly would be what you want
here...

Cheers,
Rusty.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/