dn't
> have been included.
>
> > ___
> > iommu mailing list
> > iommu@lists.linux-foundation.org
> > https://lists.linuxfoundation.org/mailman/listinfo/iommu
>
>
>
> --
> Regards,
> Atish
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Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
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On Tue, Aug 17, 2021 at 11:28 AM Atish Patra wrote:
>
> On Mon, Aug 16, 2021 at 6:37 PM Guo Ren wrote:
> >
> > 1
> >
> > On Thu, Jul 29, 2021 at 2:19 PM Atish Patra wrote:
> > >
> > > On Wed, Jul 28, 2021 at 9:30 PM Palmer Dabbelt wrote:
> &g
On Tue, Aug 17, 2021 at 11:24 AM Atish Patra wrote:
>
> On Mon, Aug 16, 2021 at 6:48 PM Guo Ren wrote:
> >
> > On Sat, Jul 24, 2021 at 5:40 AM Atish Patra wrote:
> > >
> > > To facilitate streaming DMA APIs, this patch introduces a set of generic
> >
);
> +
> + memset(flush_addr, 0, size);
> + if (dma_cache_sync && dma_cache_sync->cache_flush)
> + dma_cache_sync->cache_flush(__pa(flush_addr), size);
> +}
> +
> +void riscv_dma_cache_sync_set(struct riscv_dma_cache_sync *ops)
> +{
&
oncoherent.h
> > > create mode 100644 arch/riscv/mm/dma-noncoherent.c
> >
> > Can you guys please make up your minds about how this is going to be
> > supported at the ISA level? I get a different answer every day here:
> > sometimes it's that these systems are not compliant, sometim
t only takes care of its own request.
>
> On Thu, Sep 19, 2019 at 5:36 AM Guo Ren wrote:
>>
>> From: Guo Ren
>>
>> The patch is for https://github.com/riscv/riscv-isa-manual
>>
>> The proposal has been talked in LPC-2019 RISC-V MC ref [1]. Here is t
t can't support is assigning partitions of a PCI
function (VF or PF) to multiple Virtual Machines" are conflict and I
don't want to play naming game :)
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
e to do with that? It's an awful lot of
> > effort to
> > review this sort of stuff and given that Guo Ren is talking about sharing
> > page
> > tables between the CPU and an accelerator, maybe you're better off
> > stabilising Linux for the platforms that you ca
Hi,
On Mon, Sep 16, 2019 at 8:57 PM Jean-Philippe Brucker
wrote:
> On 13/09/2019 09:13, Guo Ren wrote:
> > Another idea is seperate remote TLB invalidate into two instructions:
> >
> > - sfence.vma.b.asyc
> > - sfence.vma.b.barrier // wait all async TLB invalid
Here is the presentation, any comments is welcome.
https://docs.google.com/presentation/d/1sc295JznVAfDIPieAqzjcyUkcHnNFQsK8FFqdoCY854/edit?usp=sharing
On Fri, Sep 13, 2019 at 3:13 PM Guo Ren wrote:
>
> Another idea is seperate remote TLB invalidate into two instru
?)
Actually, I never consider asyc TLB invalidate before, because current our
light iommu did not need it.
Thx all people attend the session :) Let's continue the talk.
Guo Ren 于 2019年9月12日周四 22:59写道：
> Thx Will for reply.
>
> On Thu, Sep 12, 2019 at 3:03 PM Will Deacon wrote:
> >
>
Thx Will for reply.
On Thu, Sep 12, 2019 at 3:03 PM Will Deacon wrote:
>
> On Sun, Sep 08, 2019 at 07:52:55AM +0800, Guo Ren wrote:
> > On Mon, Jun 24, 2019 at 6:40 PM Will Deacon wrote:
> > > > I'll keep my system use the same ASID for SMP + IOMMU :P
> > &g
oin our disscusion:
"Introduce an implementation of IOMMU in linux-riscv"
9 Sep 2019, 10:45 Jade-room-I (Corinthia Hotel Lisbon) RISC-V MC
--
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Guo Ren
ML: https://lore.kernel.org/linux-csky/
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ma_alloc_nonatomic(dev, size, dma_handle, gfp,
> - attrs);
> - else
> - return csky_dma_alloc_atomic(dev, size, dma_handle);
> -}
> -
> -void arch_dma_free(struct device *dev, size_t size, void
> BUG();
>
> - page = alloc_pages(GFP_KERNEL | GFP_DMA, get_order(size));
> + page = alloc_pages(GFP_KERNEL, get_order(size));
> if (!page)
> BUG();
>
> --
> 2.19.1
Acked-by: Guo Ren
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select IRQ_DOMAIN
> select HANDLE_DOMAIN_IRQ
> --
> 2.19.1
Acked-by: Guo Ren
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