On Fri, Apr 09, 2021 at 09:38:15PM +0200, Arnd Bergmann wrote:
> On Fri, Apr 9, 2021 at 6:56 PM Sven Peter wrote:
> > On Wed, Apr 7, 2021, at 12:44, Will Deacon wrote:
> > > On Sun, Mar 28, 2021 at 09:40:07AM +0200, Sven Peter wrote:
> > >
> > > > + cfg->pgsize_bitmap &= SZ_16K;
> > > > + if (
On Fri, Apr 9, 2021 at 6:56 PM Sven Peter wrote:
> On Wed, Apr 7, 2021, at 12:44, Will Deacon wrote:
> > On Sun, Mar 28, 2021 at 09:40:07AM +0200, Sven Peter wrote:
> >
> > > + cfg->pgsize_bitmap &= SZ_16K;
> > > + if (!cfg->pgsize_bitmap)
> > > + return NULL;
> >
> > This is worryin
On Wed, Apr 7, 2021, at 12:44, Will Deacon wrote:
> On Sun, Mar 28, 2021 at 09:40:07AM +0200, Sven Peter wrote:
[...]
> >
> > +static struct io_pgtable *
> > +apple_dart_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie)
> > +{
> > + struct arm_lpae_io_pgtable *data;
> > +
> > + if (c
On Sun, Mar 28, 2021 at 09:40:07AM +0200, Sven Peter wrote:
> Apple's DART iommu uses a pagetable format that shares some
> similarities with the ones already implemented by io-pgtable.c.
> Add a new format variant to support the required differences
> so that we don't have to duplicate the pagetab
Hi,
On Sun, Mar 28, 2021, at 11:42, kernel test robot wrote:
>
> All errors (new ones prefixed by >>):
>
> >> nios2-linux-ld: drivers/iommu/io-pgtable.o:(.rodata+0x1c): undefined
> >> reference to `io_pgtable_apple_dart_init_fns'
>
>
That one was me not being careful enough when removing the
Hi Sven,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on arm-perf/for-next/perf]
[also build test ERROR on linus/master v5.12-rc4 next-20210326]
[cannot apply to iommu/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting pa
Hi Sven,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on arm-perf/for-next/perf]
[also build test ERROR on linus/master v5.12-rc4 next-20210326]
[cannot apply to iommu/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting pa
Apple's DART iommu uses a pagetable format that shares some
similarities with the ones already implemented by io-pgtable.c.
Add a new format variant to support the required differences
so that we don't have to duplicate the pagetable handling code.
Signed-off-by: Sven Peter
---
drivers/iommu/io-
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