On Thu, 2020-12-17 at 12:43 +, Catalin Marinas wrote:
> On Thu, Dec 17, 2020 at 09:44:31AM +0100, Nicolas Saenz Julienne wrote:
> > On Thu, 2020-12-17 at 16:08 +0800, Peng Fan (OSS) wrote:
> > > From: Peng Fan
> > >
> > > ZONE_DMA should not be disabled, otherwise arm64_dma_phys_limit is
> >
On Thu, Dec 17, 2020 at 09:44:31AM +0100, Nicolas Saenz Julienne wrote:
> On Thu, 2020-12-17 at 16:08 +0800, Peng Fan (OSS) wrote:
> > From: Peng Fan
> >
> > ZONE_DMA should not be disabled, otherwise arm64_dma_phys_limit is
> > left uninitialized and cause swiotlb have IO TLB above 4GB which
>
Hi Peng,
sorry for the inconvenience, this is most probably related to these changes:
https://lore.kernel.org/linux-arm-kernel/20201119175400.9995-1-nsaenzjulie...@suse.de/
On Thu, 2020-12-17 at 16:08 +0800, Peng Fan (OSS) wrote:
> From: Peng Fan
>
> ZONE_DMA should not be disabled, otherwise
From: Peng Fan
ZONE_DMA should not be disabled, otherwise arm64_dma_phys_limit is
left uninitialized and cause swiotlb have IO TLB above 4GB which
might crash some platforms
Signed-off-by: Peng Fan
---
Not sure whether need to address code to initialize the variables or
force select ZONE_DMA
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