[dpdk-dev] [PATCH] crypto/qat: fix memzone creation to use a fixed size string

[Yuanhan Liu]

On Wed, Sep 14, 2016 at 04:32:46PM +0100, John Griffin wrote:
> Hi Liu,
> Comments embedded.
> 
> Rgds,
> John.
> 
> On 05/09/16 04:23, Yuanhan Liu wrote:
> >On Thu, Sep 01, 2016 at 11:21:38AM +0100, John Griffin wrote:
> >>Remove the dependency on dev->driver->pci_drv.name when
> >>creating the memzone for the qat hardware queues.
> >>The pci_drv.name may grow too large for RTE_MEMZONE_NAMESIZE.
> >
> >Will the "may grow too large" cause any issues? If so, state it here. If
> >not, marking this patch as a "fix" patch doesn't make sense to me then.
> We discovered this when applying a future patch (2141c21966) and it exposed
> this issue.
> Problem is we create a memzone per hardware queue pair and if the memzone
> name is too large, then this code will not produce a unique
> name and two qps will end using the same memzone.

Thanks for the info, and I think you should put it in the commit log: it
helps people to really know what might go wrong without this fix.

	--yliu