On Mon, Jan 21, 2019 at 8:46 AM Jason Gunthorpe <j...@mellanox.com> wrote:
>
> On Sat, Jan 19, 2019 at 12:43:14AM -0700, Leon Romanovsky wrote:
> > You need to do one of two things:
> > 1. Require CONFIG_64BIT and delete this 32bit code.
> > 2. Declare global mlx5 DB spinlock and use on 32bit systems, something
> > like this:
> > #if BITS_PER_LONG == 64
> >  __raw_writeq(*(u64 *)val, dest);
> > #else
> >   spin_lock_irqsave(doorbell_lock, flags);
> >   __raw_writel((__force u32) val[0], dest);
> >   __raw_writel((__force u32) val[1], dest + 4);
> >    spin_unlock_irqrestore(doorbell_lock, flags);
> > #endif
>
> And why is this code using the __raw_ versions? Seems wrong too...
>

for 64 and 32 as well?
what is wrong with the raw version ?

> Jason

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