[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] write to file from kernel

To: Hamed Rs <hamedrostamzade@xxxxxxxxx>
From: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Date: Tue, 29 Sep 2015 17:50:06 +0100
Cc: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Tue, 29 Sep 2015 16:50:11 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Tue, Sep 29, 2015 at 12:59 PM, Hamed Rs <hamedrostamzade@xxxxxxxxx> wrote:
> Is it possible to write to file from xen kernel?

Not directly -- Xen doesn't manage any disks itself.

It is fairly common for Xen to store data in a buffer, and have dom0
read the buffer and write it to disk.  xentrace is an example of that
sort of thing.

 -George

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel

References:
- [Xen-devel] write to file from kernel
  - From: Hamed Rs

Prev by Date: Re: [Xen-devel] [PATCH v6 24/29] xen/x86: allow HVM guests to use hypercalls to bring up vCPUs
Next by Date: [Xen-devel] [PATCH 0/9] xen: sched: improve (a lot! :-D) Credit2 runqueue handling
Previous by thread: [Xen-devel] write to file from kernel
Next by thread: [Xen-devel] [xen-4.6-testing test] 62461: tolerable trouble: broken/fail/pass - PUSHED
Index(es):
- Date
- Thread

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.