[Xen-devel] [PATCH RFC 01/15] xen: allow console_io hypercalls from DomUs on ARM

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

This is very useful when starting multiple domains from Xen without
xenstore access. It will allow them to print out to the Xen console.

Signed-off-by: Stefano Stabellini <stefanos@xxxxxxxxxx>
CC: andrew.cooper3@xxxxxxxxxx
CC: George.Dunlap@xxxxxxxxxxxxx
CC: ian.jackson@xxxxxxxxxxxxx
CC: jbeulich@xxxxxxxx
CC: konrad.wilk@xxxxxxxxxx
CC: tim@xxxxxxx
CC: wei.liu2@xxxxxxxxxx
CC: dgdegra@xxxxxxxxxxxxx
---
If there is a better way to do this with XSM, please advise.

---
 xen/drivers/char/console.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 0f05369..dc9e0bb 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -555,9 +555,11 @@ long do_console_io(int cmd, int count, 
XEN_GUEST_HANDLE_PARAM(char) buffer)
     long rc;
     unsigned int idx, len;
 
+#ifndef CONFIG_ARM
     rc = xsm_console_io(XSM_OTHER, current->domain, cmd);
     if ( rc )
         return rc;
+#endif
 
     switch ( cmd )
     {
-- 
1.9.1


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