On Wed, Apr 10, 2019 at 06:13:14PM +0000, Jason Gunthorpe wrote: > On Wed, Apr 10, 2019 at 10:59:45AM +0300, Leon Romanovsky wrote: > > From: Guy Levi <guyle@xxxxxxxxxxxx> > > > > The scatter to CQE over DCT QP actually has never been enabled since the > > driver refers to device QP context layout instead of device DCT context > > layout when it is configure the scatter to CQE relevant bits. It causes > > a memory corruption. > > Additionally, A new capability is exposed to user-space which lets it > > to ensure that it will not enable the feature without this fix. > > I'm not sure what this is trying to say, it needs to be reworded to be > a -rc patch.. I'm fine with -next too. > > Is it that mixing scatter to cqe and DCT causes memory corruption in > the kernel? Not, it causes to memory corruption in application, because it assumes something that it is not correct. Kernel doesn't use this knowledge. Thanks > > Jason
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