Re: [PATCH] linux/types.h: Restore the ability to disable sparse endianness checks

From: Michael S. Tsirkin
Date: Mon Oct 16 2017 - 12:50:55 EST


On Mon, Oct 16, 2017 at 03:36:50PM +0000, Bart Van Assche wrote:
> On Mon, 2017-10-16 at 18:27 +0300, Michael S. Tsirkin wrote:
> > On Mon, Oct 16, 2017 at 01:57:35PM +0000, Bart Van Assche wrote:
> > > On Mon, 2017-10-16 at 16:34 +0300, Michael S. Tsirkin wrote:
> > > > I don't see how it'll help make things better. OTOH if the specific
> > > > drivers are tagged in the makefile, they can be gradually moved out to
> > > > staging or something to help trigger action.
> > >
> > > Do you really want to move drivers like qla2xxx to staging? That driver is
> > > important to multiple enterprise distro's.
> >
> > Frankly I'm surprised this one has sparse issues.
> > Really e.g. drivers/scsi/qla2xxx/qla_nvme.h is new from June 2017.
> >
> > It's not some ancient piece of code that no one understands so
> > we are afraid to touch it.
>
> Sorry if I wasn't clear enough but I wasn't referring to the qla2xxx NVMe
> code. I was referring to the qla2xxx FC initiator code. I think that code
> went upstream in January 2004. See also
> https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git/log/drivers/scsi/qla2xxx?ofs=100
>
> Bart.

Right but qla_nvme also triggers these warnings. That's the problem with
disabling them tree-wide. To me it looks like the time we are spending
arguing about work-arounds would be better spent just fixing the
majority of the code. If a couple of places aren't clean and
need more thought, that's not a big deal.

--
MST