On 2020/10/16 15:27, Hanjun Guo wrote:
The patch only takes the address limit field into account if its value
> 0.
Sorry I missed the if (*->memory_address_limit) check, thanks
for the reminding.
Also, before commit 7fb89e1d44cb6aec ("ACPI/IORT: take _DMA methods
into account for named
Hi Ard,
On 2020/10/16 14:54, Ard Biesheuvel wrote:
On Fri, 16 Oct 2020 at 08:51, Hanjun Guo wrote:
On 2020/10/16 2:03, Catalin Marinas wrote:
On Thu, Oct 15, 2020 at 10:26:18PM +0800, Hanjun Guo wrote:
On 2020/10/15 3:12, Nicolas Saenz Julienne wrote:
From: Ard Biesheuvel
We recently
On Thu, 15 Oct 2020 at 12:31, Lorenzo Pieralisi
wrote:
>
> On Wed, Oct 14, 2020 at 09:12:09PM +0200, Nicolas Saenz Julienne wrote:
>
> [...]
>
> > +unsigned int __init acpi_iort_get_zone_dma_size(void)
> > +{
> > + struct acpi_table_iort *iort;
> > + struct acpi_iort_node *node, *end;
> >
On Fri, 16 Oct 2020 at 08:51, Hanjun Guo wrote:
>
> On 2020/10/16 2:03, Catalin Marinas wrote:
> > On Thu, Oct 15, 2020 at 10:26:18PM +0800, Hanjun Guo wrote:
> >> On 2020/10/15 3:12, Nicolas Saenz Julienne wrote:
> >>> From: Ard Biesheuvel
> >>>
> >>> We recently introduced a 1 GB sized
On 2020/10/16 2:03, Catalin Marinas wrote:
On Thu, Oct 15, 2020 at 10:26:18PM +0800, Hanjun Guo wrote:
On 2020/10/15 3:12, Nicolas Saenz Julienne wrote:
From: Ard Biesheuvel
We recently introduced a 1 GB sized ZONE_DMA to cater for platforms
incorporating masters that can address less than
On Thu, Oct 15, 2020 at 10:26:18PM +0800, Hanjun Guo wrote:
> On 2020/10/15 3:12, Nicolas Saenz Julienne wrote:
> > From: Ard Biesheuvel
> >
> > We recently introduced a 1 GB sized ZONE_DMA to cater for platforms
> > incorporating masters that can address less than 32 bits of DMA, in
> >
On Thu, 2020-10-15 at 22:26 +0800, Hanjun Guo wrote:
> On 2020/10/15 3:12, Nicolas Saenz Julienne wrote:
> > From: Ard Biesheuvel
> >
> > We recently introduced a 1 GB sized ZONE_DMA to cater for platforms
> > incorporating masters that can address less than 32 bits of DMA, in
> > particular the
On 2020/10/15 3:12, Nicolas Saenz Julienne wrote:
From: Ard Biesheuvel
We recently introduced a 1 GB sized ZONE_DMA to cater for platforms
incorporating masters that can address less than 32 bits of DMA, in
particular the Raspberry Pi 4, which has 4 or 8 GB of DRAM, but has
peripherals that
On Wed, Oct 14, 2020 at 09:12:09PM +0200, Nicolas Saenz Julienne wrote:
[...]
> +unsigned int __init acpi_iort_get_zone_dma_size(void)
> +{
> + struct acpi_table_iort *iort;
> + struct acpi_iort_node *node, *end;
> + acpi_status status;
> + u8 limit = 32;
> + int i;
> +
> +
From: Ard Biesheuvel
We recently introduced a 1 GB sized ZONE_DMA to cater for platforms
incorporating masters that can address less than 32 bits of DMA, in
particular the Raspberry Pi 4, which has 4 or 8 GB of DRAM, but has
peripherals that can only address up to 1 GB (and its PCIe host
bridge
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