Re: [PATCH v7 11/22] dma-pool: track decrypted atomic pools and select them via attrs
From: Jason Gunthorpe
Date: Tue Jul 14 2026 - 08:27:08 EST
On Tue, Jul 14, 2026 at 09:32:27AM +0530, Aneesh Kumar K.V wrote:
> If we want to warn about such failures, we should add the warning
> consistently across the code. We may also want to handle decrypt
> failures by encrypting the page again to avoid leaking it.
>
> I will work on that as a tree-wide change in a separate patch.
IMHO the WARN should be inside set_memory_encrypted(), and maybe it
should be a BUG_ON...
"free" functions shouldn't fail, and returning the memory back to
normal is a "free" operation.
Jason