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From: Julien Grall <julien.grall@arm.com>
To: Stefano Stabellini <sstabellini@kernel.org>,
	Oleksandr Andrushchenko <andr2000@gmail.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>, nd@arm.com
Subject: Re: arm64: dma_to_phys/phys_to_dma need to be properly implemented
Date: Wed, 29 Mar 2017 23:48:19 +0100	[thread overview]
Message-ID: <30426758-e114-e042-2bfa-48fec261eb44@arm.com> (raw)
In-Reply-To: <alpine.DEB.2.10.1703291527500.27589@sstabellini-ThinkPad-X260>

Hi,

On 29/03/2017 23:36, Stefano Stabellini wrote:
> On Wed, 29 Mar 2017, Oleksandr Andrushchenko wrote:
> If you can come up with a patch that only affects
> xen_swiotlb_get_sgtable, and translates successfully void *cpu_addr into
> a physical address using "at", I think I would take that patch. I would
> recommend to test the patch on ARM32 too, where virt_to_phys reliably
> fails.

I haven't fully read the thread. I would recommend to ask the 
ARM64/ARM32 kernel maintainers there advice here.

Cheers,

-- 
Julien Grall

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  reply	other threads:[~2017-03-29 22:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-23 15:40 gnttab_map_refs and contiguous buffer Oleksandr Andrushchenko
2017-03-27 10:16 ` arm64: dma_to_phys/phys_to_dma need to be properly implemented Oleksandr Andrushchenko
2017-03-27 20:23   ` Stefano Stabellini
2017-03-28  6:42     ` Oleksandr Andrushchenko
2017-03-28 12:40       ` Andrii Anisov
2017-03-28 13:04         ` Oleksandr Andrushchenko
2017-03-28 19:20       ` Stefano Stabellini
2017-03-29  6:17         ` Oleksandr Andrushchenko
2017-03-29 22:36           ` Stefano Stabellini
2017-03-29 22:48             ` Julien Grall [this message]
2017-03-31  8:15             ` Oleksandr Andrushchenko
2017-03-31 17:56               ` Stefano Stabellini

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