Re: Intel QAT on A2SDi-8C-HLN4F causes massive data corruption with dm-crypt + xfs

From: Greg KH
Date: Wed Mar 02 2022 - 05:29:11 EST


On Tue, Mar 01, 2022 at 04:11:13PM +1200, Herbert Xu wrote:
> On Mon, Feb 28, 2022 at 05:12:20PM -0800, Linus Torvalds wrote:
> >
> > It sounds like it was incidental and almost accidental that it fixed
> > that thing, and nobody realized it should perhaps be also moved to
> > stable.
>
> Yes this was incidental. The patch in question fixes an issue in
> OOM situations where drivers that must allocate memory on each
> request may lead to dead-lock so it's not really targeted at qat.

Ok, so what commits should I backport to kernels older than 5.10 to
resolve this?

thanks,

greg k-h