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Re: Implement paging on the pci arbiter

From Samuel Thibault <samuel.thibault@gnu.org>
Newsgroups gnu.hurd.bug
Subject Re: Implement paging on the pci arbiter
Date 2020-08-26 17:01 +0200
Organization I am not organized
Message-ID <mailman.1342.1598454110.2469.bug-hurd@gnu.org> (permalink)
References <67702aaa-af63-8013-3760-c5d649b7c548@mailfence.com> <20200826150142.5ngbrjh2b54h2kii@function>

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Hello,

Joan Lledó, le mer. 26 août 2020 10:24:49 +0200, a ecrit:
> I'm doing a research on how to allow arbiter clients to map bar regions
> into their spaces. It seems to me the approach should be:
> 
> 1.- Make the arbiter implement paging
> 2.- Expect clients to mmap() the region files the arbiter generates
> 
> Sounds that correct for you?
> 
> I'm a bit confused with libpager,

I'm unsure if libpager will be useful actually, since all you need is
to pass on a memory object clamped to the target physical memory. See
gnumach's support for proxy memory object, which possibly is just
enough.

Samuel

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Re: Implement paging on the pci arbiter Samuel Thibault <samuel.thibault@gnu.org> - 2020-08-26 17:01 +0200

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