From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Andrii Anisov <andrii.anisov@gmail.com>
Cc: xen-devel@lists.xenproject.org, julien.grall@arm.com,
sstabellini@kernel.org, andrii_anisov@epam.com
Subject: Re: [RFC 0/2] XEN SWIOTLB for ARM dma operations extension
Date: Tue, 10 Jan 2017 13:50:12 -0500 [thread overview]
Message-ID: <20170110185012.GC13519@char.us.oracle.com> (raw)
In-Reply-To: <1484066667-12160-1-git-send-email-andrii.anisov@gmail.com>
On Tue, Jan 10, 2017 at 06:44:25PM +0200, Andrii Anisov wrote:
> From: Andrii Anisov <andrii_anisov@epam.com>
>
> Some drivers need additional dma ops to be provided by xen swiotlb. Because
> common operations implementation came from x86 world and does not suite ARM
> needs.
>
> dma_mmap patch is a port of an antique and lost patch discussed here:
> http://marc.info/?l=xen-devel&m=139695901430667&w=4
It would be good to have that as part of this patchset, otherwise
this is kind of non-compiling type patch.
But more importantly, I think you need to also to take into account
Stefano's comments:
http://marc.info/?l=xen-devel&m=139991966525561&w=4
>
> Andrii Anisov (1):
> swiotlb-xen: implement xen_swiotlb_get_sgtable callback
>
> Stefano Stabellini (1):
> swiotlb-xen: implement xen_swiotlb_dma_mmap callback
>
> arch/arm/xen/mm.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> --
> 2.7.4
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> https://lists.xen.org/xen-devel
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next prev parent reply other threads:[~2017-01-10 18:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-10 16:44 [RFC 0/2] XEN SWIOTLB for ARM dma operations extension Andrii Anisov
2017-01-10 16:44 ` [RFC 1/2] swiotlb-xen: implement xen_swiotlb_dma_mmap callback Andrii Anisov
2017-01-10 16:44 ` [RFC 2/2] swiotlb-xen: implement xen_swiotlb_get_sgtable callback Andrii Anisov
2017-01-10 18:50 ` Konrad Rzeszutek Wilk [this message]
2017-01-11 16:09 ` [RFC 0/2] XEN SWIOTLB for ARM dma operations extension Andrii Anisov
2017-01-11 16:10 ` Konrad Rzeszutek Wilk
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