I think we have to wait to Roland’s test results with his SCSI PCI card. Christian Sent from my iPhone > On 4. Dec 2019, at 09:56, Christoph Hellwig <hch@xxxxxx> wrote: > >> On Wed, Nov 27, 2019 at 08:56:25AM +0200, Mike Rapoport wrote: >>> On Tue, Nov 26, 2019 at 05:40:26PM +0100, Christoph Hellwig wrote: >>>> On Tue, Nov 26, 2019 at 12:26:38PM +0100, Christian Zigotzky wrote: >>>> Hello Christoph, >>>> >>>> The PCI TV card works with your patch! I was able to patch your Git kernel >>>> with the patch above. >>>> >>>> I haven't found any error messages in the dmesg yet. >>> >>> Thanks. Unfortunately this is a bit of a hack as we need to set >>> the mask based on runtime information like the magic FSL PCIe window. >>> Let me try to draft something better up, and thanks already for testing >>> this one! >> >> Maybe we'll simply force bottom up allocation before calling >> swiotlb_init()? Anyway, it's the last memblock allocation. > > So I think we should go with this fix (plus a source code comment) for > now. Revamping the whole memory initialization is going to take a > while, and this fix also is easily backportable.
