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[2/2] xl: dm_restrict: Document that it does not work with PV

Message ID 1507807267-13709-2-git-send-email-ian.jackson@eu.citrix.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ian Jackson Oct. 12, 2017, 11:21 a.m. UTC
Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Reported-by: Roger Pau Monné <roger.pau@citrix.com>
---
 docs/man/xl.cfg.pod.5.in | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Wei Liu Oct. 12, 2017, 11:23 a.m. UTC | #1
On Thu, Oct 12, 2017 at 12:21:07PM +0100, Ian Jackson wrote:
> Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
> Reported-by: Roger Pau Monné <roger.pau@citrix.com>

Acked-by: Wei Liu <wei.liu2@citrix.com>
Roger Pau Monné Oct. 12, 2017, 11:45 a.m. UTC | #2
On Thu, Oct 12, 2017 at 11:21:07AM +0000, Ian Jackson wrote:
> Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
> Reported-by: Roger Pau Monné <roger.pau@citrix.com>

Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>

Thanks, Roger.
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Patch

diff --git a/docs/man/xl.cfg.pod.5.in b/docs/man/xl.cfg.pod.5.in
index 8125dfb..d0e3520 100644
--- a/docs/man/xl.cfg.pod.5.in
+++ b/docs/man/xl.cfg.pod.5.in
@@ -1272,7 +1272,7 @@  connectors=id0:1920x1080;id1:800x600;id2:640x480
 
 =item B<dm_restrict=BOOLEAN>
 
-Restrict the HVM device model after startup,
+Restrict the device model after startup,
 to limit the consequencese of security vulnerabilities in qemu.
 
 With this feature enabled,
@@ -1287,6 +1287,11 @@  There are some significant limitations:
 
 =item
 
+This is not likely to work at all for PV guests
+nor guests using qdisk backends for their block devices.
+
+=item
+
 You must have a new enough qemu.
 In particular,
 if your qemu does not have the commit