[SeaBIOS] [SeaBIOS PATCH 2/2] hotplug: Add device per func in ACPI DSDT tables
Michael S. Tsirkin
mst at redhat.com
Mon Sep 19 12:02:59 CEST 2011
On Mon, Sep 19, 2011 at 12:57:33PM +0300, Gleb Natapov wrote:
> On Mon, Sep 19, 2011 at 03:27:38AM -0400, Amos Kong wrote:
> > Only func 0 is registered to guest driver (we can
> > only found func 0 in slot->funcs list of driver),
> > the other functions could not be cleaned when
> > hot-removing the whole slot. This patch adds
> > device per function in ACPI DSDT tables.
> You can't unplug a single function. Guest surely knows that.
Looking at guest code, it's clear that
at least a Linux guest doesn't know that.
> > Have tested with linux/winxp/win7, hot-adding/hot-remving,
> > single/multiple function device, they are all fine.
> What was not fine before?
> Have you looked at real HW that supports PCI hot plug DSDT? Does it
> looks the same?
I recall I saw some examples like this on the net.
> > new acpi-dst.hex(332K):
> > http://amos-kong.rhcloud.com/pub/acpi-dsdt.hex
> > Signed-off-by: Amos Kong <akong at redhat.com>
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