Re: use generic DMA mapping code in powerpc V4

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On 12 February 2019 at 4:25PM, Christoph Hellwig wrote:
On Tue, Feb 12, 2019 at 01:42:56PM +0100, Christian Zigotzky wrote:
On 11 February 2019 at 08:38AM, Christoph Hellwig wrote:
On Sun, Feb 10, 2019 at 01:00:20PM +0100, Christian Zigotzky wrote:
I tested the whole series today. The kernels boot and the P.A. Semi
Ethernet works! :-) Thanks a lot!

I also tested it in a virtual e5500 QEMU machine today. Unfortunately the
kernel crashes.
This looks like a patch I fixed in mainline a while ago, but which
the powerpc tree didn't have yet.

I've cherry picked this commit
("swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit")

and added it to the powerpc-dma.6 tree, please retry with that one.

Hello Christoph,

Have you added it to the powerpc-dma.6 tree yet? The last commit was 4 days
ago.
I added it, but forgot to push it out.  It is there now, sorry:

http://git.infradead.org/users/hch/misc.git/commitdiff/2cf0745b7420af4a3e871d5a970a45662dfae69c

Hi Christoph

Many thanks! Your Git kernel works in a virtual e5500 machine now! :-)

I think we have reached the end of testing! All things are working with your DMA updates.

I am looking forward to test your DMA changes in the next merge window again. :-)

Cheers
Christian




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