From: Jan Beulich <jbeulich@suse.com>
To: Juergen Gross <jgross@suse.com>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
WeiLiu <wl@xen.org>,
"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
"George Dunlap" <George.Dunlap@eu.citrix.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
"Tim Deegan" <tim@xen.org>, "Julien Grall" <julien.grall@arm.com>,
xen-devel@lists.xenproject.org,
"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [RFC PATCH 0/5] Add hypervisor sysfs-like support
Date: Wed, 11 Sep 2019 17:20:28 +0200 [thread overview]
Message-ID: <5f423603-3c62-39bb-6829-b84ebe2ee4b4@suse.com> (raw)
In-Reply-To: <b92f1173-c2b4-17b3-021a-fc2df69a40f9@suse.com>
On 11.09.2019 17:06, Juergen Gross wrote:
> On 11.09.19 17:01, Jan Beulich wrote:
>> On 11.09.2019 15:01, Juergen Gross wrote:
>>> And with the idea to "mount" it in the dom0 kernel's sysfs I think
>>> xensysfs (or xenhypfs?) seems appropriate.
>>
>> Well, such "mounting" is going to be indirect, I would assume?
>> I.e. not directly forward filesystem like requests as such to
>> Xen?
>
> For plain entries (reads and eventually writes) I surely would just
> forward them. In case this is possible for directories, too, I'd rather
> do no caching in the kernel, so forwarding them would seem to be
> appropriate (rejecting anything but reading a directory, of course).
But that's still a kernel based file system, simply taking its
data from Xen. It's not like file system requests as such would
be forwarded.
Jan
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next prev parent reply other threads:[~2019-09-11 15:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 6:19 [Xen-devel] [RFC PATCH 0/5] Add hypervisor sysfs-like support Juergen Gross
2019-09-11 6:19 ` [Xen-devel] [RFC PATCH 1/5] docs: add feature document for Xen " Juergen Gross
2019-09-11 9:28 ` Jan Beulich
2019-09-11 9:29 ` Juergen Gross
2019-09-11 6:19 ` [Xen-devel] [RFC PATCH 2/5] xen: add basic hypervisor filesystem support Juergen Gross
2019-09-11 6:19 ` [Xen-devel] [RFC PATCH 3/5] libs: add libxenfs Juergen Gross
2019-09-11 6:20 ` [Xen-devel] [RFC PATCH 4/5] tools: add xenfs tool Juergen Gross
2019-09-11 9:30 ` Jan Beulich
2019-09-11 9:57 ` Juergen Gross
2019-09-11 10:07 ` Jan Beulich
2019-09-11 11:34 ` Juergen Gross
2019-09-11 11:50 ` Jan Beulich
2019-09-11 12:41 ` Juergen Gross
2019-09-11 6:20 ` [Xen-devel] [RFC PATCH 5/5] xen: add /buildinfo/config entry to hypervisor filesystem Juergen Gross
2019-09-11 9:24 ` [Xen-devel] [RFC PATCH 0/5] Add hypervisor sysfs-like support Jan Beulich
2019-09-11 10:02 ` Juergen Gross
2019-09-11 11:17 ` Andrew Cooper
2019-09-11 11:29 ` Juergen Gross
2019-09-11 11:54 ` Jan Beulich
2019-09-11 13:01 ` Juergen Gross
2019-09-11 15:01 ` Jan Beulich
2019-09-11 15:06 ` Juergen Gross
2019-09-11 15:20 ` Jan Beulich [this message]
2019-09-11 15:26 ` Juergen Gross
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