Re: [PATCH V3 1/3] block: clear BLK_FEAT_PCI_P2PDMA in blk_stack_limits() for non-supporting devices

Christoph Hellwig
2026-04-22T06:20:58Z

On Fri, Apr 17, 2026 at 03:41:27PM +0530, Nitesh Shetty wrote:
>>
>> t->flags |= (b->flags & BLK_FLAG_MISALIGNED);
> I think you need below patch[1] as well to unset this here.
> Also I feel better to include Mike,Mikulas and dm-devel mailing list as well.

Why do we need that? dm support is a different project and will require
additional verification. Especially as the multiple tables per devices
concept makes it a lot more complicated.