Re: [PATCH 14/17] iommu: remove DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE

On Fri, Mar 12, 2021 at 04:18:24PM +0000, Robin Murphy wrote:

quoted

Let me know what you think of the version here:

http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/iommu-cleanup

I'll happily switch the patch to you as the author if you're fine with
that as well.

I still have reservations about removing the attribute API entirely and 
pretending that io_pgtable_cfg is anything other than a SoC-specific 
private interface,

I think a private inteface would make more sense.  For now I've just
condensed it down to a generic set of quirk bits and dropped the
attrs structure, which seems like an ok middle ground for now.  That
being said I wonder why that quirk isn't simply set in the device
tree?

but the reworked patch on its own looks reasonable to 
me, thanks! (I wasn't too convinced about the iommu_cmd_line wrappers 
either...) Just iommu_get_dma_strict() needs an export since the SMMU 
drivers can be modular - I consciously didn't add that myself since I was 
mistakenly thinking only iommu-dma would call it.

Fixed.  Can I get your signoff for the patch?  Then I'll switch it to
over to being attributed to you.