Re: Report in downstream Debian: mpt3sas broken with xen dom0 with update to 5.10.149 in 5.10.y.

[Joost Roeleveld <joost@xxxxxxxxxxxx>]

> On Mon, Oct 24, 2022 at 05:28:05PM +0000, Andrew Cooper wrote:
> > I don't know exactly how this translates to Linux internals, but most
> > devices are fine and it's routinely the mpt2/3sas drivers which
> > encounter problems.  It would be lovely if we could get to the bottom of
> > this for once and for all.
> So to summarize my two mails: I think te use of dma_get_required_mask
> in mpt3sas is wrong, and the dma_get_required_mask return value from
> xen-swiotlb is also wrong. Fixing either one should fix this problem,
> and I think we should fix both.
Hi all,

Is there anything that can be done to get this fixed in xen and the  
kernel somehow?
I keep having to manually patch the mpt3sas driver to prevent it from  
being able to switch to 32bit mode each time I upgrade the kernel.
Many thanks,

Joost