[Xen-devel] [PATCH] SUPPORT.md: Multiple IOREQ servers are experimental

[George Dunlap <george.dunlap@xxxxxxxxxx>]

The code has been there in the hypervisor for several releases, but
there is no toolstack support.

While we're here delete some trailing whitespace.

Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx>
---
This is a backport candidate to 4.10.

Wasn't clear exactly what section to put it in, but I figured it had
to do with virtual hardware and it was in the hypervisor, so this was
the best place.

CC: Ian Jackson <ian.jackson@xxxxxxxxxx>
CC: Wei Liu <wei.liu2@xxxxxxxxxx>
CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Jan Beulich <jbeulich@xxxxxxxx>
CC: Tim Deegan <tim@xxxxxxx>
CC: Konrad Wilk <konrad.wilk@xxxxxxxxxx>
CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: Julien Grall <julien.grall@xxxxxxx>
CC: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 SUPPORT.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/SUPPORT.md b/SUPPORT.md
index 9ac1a40036..ddcdfab5ad 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -599,6 +599,16 @@ However, this feature can still confer significant 
security benefit
 when used to remove drivers and backends from domain 0
 (i.e., Driver Domains).
 
+### x86/Multiple IOREQ servers
+
+       Status: Experimental
+
+An IOREQ server provides emulated devices to HVM and PVH guests.
+QEMU is normally the only IOREQ server,
+but Xen has support for multiple IOREQ servers.
+This allows for custom or proprietary device emulators
+to be used in addition to QEMU.
+
 ### ARM/Non-PCI device passthrough
 
     Status: Supported, not security supported
@@ -639,7 +649,7 @@ Note that other devices are available but not security 
supported.
 
     Status, piix3 ide: Supported
     Status, ahci: Supported
-       
+
 See the section **Blkback** for image formats supported by QEMU.
 
 ### x86/Emulated graphics (QEMU):
-- 
2.16.2


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