From: Gleb Natapov <gleb@redhat.com>
To: Jiang Liu <liuj97@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
linux-pci@vger.kernel.org, seabios@seabios.org,
qemu-devel@nongnu.org, jbarnes@virtuousgeek.org, rjw@sisk.pl,
alex.williamson@redhat.com, Amos Kong <akong@redhat.com>
Subject: Re: [SeaBIOS] [RESEND PATCH v3] hotplug: add device per func in ACPI DSDT tables
Date: Fri, 11 May 2012 20:04:12 +0300 [thread overview]
Message-ID: <20120511170412.GE15230@redhat.com> (raw)
In-Reply-To: <4FAD33C2.6050109@gmail.com>
On Fri, May 11, 2012 at 11:44:02PM +0800, Jiang Liu wrote:
> On 05/11/2012 06:14 PM, Gleb Natapov wrote:
> >> I'm not familiar with qemu:(
> >> On native OS, admin could trigger PCI device hotplug operations through
> >> /sys/bus/pci/slot/xx/power. Not sure whether that's needed for guest OS too.
> >>
> > Why is it needed on physical HW? May be it is needed in a VM for the
> > same reason?
> As Amos has mentioned, it's used power on/off a PCI device instead of physical
> hotplug. Not sure whether it's needed in guest OS.
Probably for assigned devices.
--
Gleb.
WARNING: multiple messages have this Message-ID (diff)
From: Gleb Natapov <gleb@redhat.com>
To: Jiang Liu <liuj97@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
linux-pci@vger.kernel.org, seabios@seabios.org,
qemu-devel@nongnu.org, jbarnes@virtuousgeek.org, rjw@sisk.pl,
alex.williamson@redhat.com, Amos Kong <akong@redhat.com>
Subject: Re: [Qemu-devel] [SeaBIOS] [RESEND PATCH v3] hotplug: add device per func in ACPI DSDT tables
Date: Fri, 11 May 2012 20:04:12 +0300 [thread overview]
Message-ID: <20120511170412.GE15230@redhat.com> (raw)
In-Reply-To: <4FAD33C2.6050109@gmail.com>
On Fri, May 11, 2012 at 11:44:02PM +0800, Jiang Liu wrote:
> On 05/11/2012 06:14 PM, Gleb Natapov wrote:
> >> I'm not familiar with qemu:(
> >> On native OS, admin could trigger PCI device hotplug operations through
> >> /sys/bus/pci/slot/xx/power. Not sure whether that's needed for guest OS too.
> >>
> > Why is it needed on physical HW? May be it is needed in a VM for the
> > same reason?
> As Amos has mentioned, it's used power on/off a PCI device instead of physical
> hotplug. Not sure whether it's needed in guest OS.
Probably for assigned devices.
--
Gleb.
next prev parent reply other threads:[~2012-05-11 18:09 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-19 6:53 [SEABIOS PATCH 0/2] fix of hotplug multi-func device Amos Kong
2011-09-19 6:53 ` [SeaBIOS PATCH 1/2] Fix regression of commit 87b533bf Amos Kong
2011-09-19 7:27 ` [SeaBIOS PATCH 2/2] hotplug: Add device per func in ACPI DSDT tables Amos Kong
2011-09-19 9:57 ` [SeaBIOS] " Gleb Natapov
2011-09-19 10:02 ` Michael S. Tsirkin
2011-09-19 10:12 ` Gleb Natapov
2011-09-19 10:32 ` Gleb Natapov
2011-09-19 12:18 ` [SeaBIOS] " Michael S. Tsirkin
2011-09-19 16:27 ` Marcelo Tosatti
2011-09-19 19:08 ` Michael S. Tsirkin
2011-09-20 10:45 ` [SeaBIOS PATCH v2] " Amos Kong
2011-09-20 11:47 ` Marcelo Tosatti
2011-09-21 1:48 ` Kevin O'Connor
2011-09-21 5:39 ` Amos Kong
2011-09-21 11:09 ` Michael S. Tsirkin
2011-09-21 12:47 ` Kevin O'Connor
2011-09-21 13:14 ` Michael S. Tsirkin
2011-12-06 5:39 ` [SeaBIOS PATCH v3] " Amos Kong
2011-12-06 11:36 ` Michael S. Tsirkin
2011-12-07 0:32 ` Amos Kong
2011-12-14 1:06 ` Kevin O'Connor
2011-12-19 8:45 ` Amos Kong
2012-05-09 7:24 ` [RESEND PATCH v3] hotplug: add " Amos Kong
2012-05-09 7:24 ` [Qemu-devel] " Amos Kong
2012-05-09 7:35 ` Amos Kong
2012-05-09 8:46 ` Michael S. Tsirkin
2012-05-09 8:46 ` [Qemu-devel] " Michael S. Tsirkin
2012-05-09 8:59 ` Amos Kong
2012-05-09 9:53 ` Amos Kong
2012-05-09 13:47 ` Alex Williamson
2012-05-09 13:47 ` [Qemu-devel] " Alex Williamson
2012-05-09 16:08 ` Amos Kong
2012-05-10 16:50 ` Jiang Liu
2012-05-10 16:50 ` [Qemu-devel] " Jiang Liu
2012-05-10 17:03 ` Michael S. Tsirkin
2012-05-10 17:03 ` [Qemu-devel] " Michael S. Tsirkin
2012-05-10 17:17 ` Jiang Liu
2012-05-10 17:17 ` [Qemu-devel] " Jiang Liu
2012-05-10 17:42 ` Michael S. Tsirkin
2012-05-10 17:42 ` [Qemu-devel] " Michael S. Tsirkin
2012-05-10 17:46 ` Jiang Liu
2012-05-10 17:46 ` [Qemu-devel] " Jiang Liu
2012-05-10 23:40 ` Amos Kong
2012-05-10 23:40 ` Amos Kong
2012-05-11 10:14 ` [SeaBIOS] " Gleb Natapov
2012-05-11 10:14 ` [Qemu-devel] " Gleb Natapov
2012-05-11 15:44 ` Jiang Liu
2012-05-11 15:44 ` [Qemu-devel] " Jiang Liu
2012-05-11 17:04 ` Gleb Natapov [this message]
2012-05-11 17:04 ` Gleb Natapov
2011-09-20 10:44 ` [SeaBIOS PATCH] hotplug: Add " Amos Kong
2011-09-20 11:42 ` Marcelo Tosatti
2011-09-20 8:00 ` [SeaBIOS PATCH v2] Fix regression of commit 87b533bf Amos Kong
2011-09-20 23:52 ` Kevin O'Connor
[not found] ` <20110919065347.22802.53640.stgit@t>
[not found] ` <20110919093644.GC4501@redhat.com>
2011-09-19 9:49 ` [SeaBIOS PATCH 2/2] hotplug: Add device per func in ACPI DSDT tables Michael S. Tsirkin
2011-09-19 10:04 ` Michael S. Tsirkin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120511170412.GE15230@redhat.com \
--to=gleb@redhat.com \
--cc=akong@redhat.com \
--cc=alex.williamson@redhat.com \
--cc=jbarnes@virtuousgeek.org \
--cc=linux-pci@vger.kernel.org \
--cc=liuj97@gmail.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=rjw@sisk.pl \
--cc=seabios@seabios.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.