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From: Christopher Clark <christopher.w.clark@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Wei Liu <wei.liu2@citrix.com>,
	Ross Philipson <ross.philipson@gmail.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Jason Andryuk <jandryuk@gmail.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	Rich Persaud <persaur@gmail.com>, Tim Deegan <tim@xen.org>,
	Daniel Smith <dpsmith@apertussolutions.com>,
	Julien Grall <julien.grall@arm.com>,
	Paul Durrant <paul.durrant@citrix.com>,
	Jan Beulich <jbeulich@suse.com>,
	Daniel De Graaf <dgdegra@tycho.nsa.gov>,
	James McKenzie <james@bromium.com>,
	Eric Chanudet <eric.chanudet@gmail.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH v7 14/15] xsm, argo: notify: don't describe rings that cannot be sent to
Date: Wed, 30 Jan 2019 20:28:19 -0800	[thread overview]
Message-ID: <1548908900-1128-15-git-send-email-christopher.w.clark@gmail.com> (raw)
In-Reply-To: <1548908900-1128-1-git-send-email-christopher.w.clark@gmail.com>

Signed-off-by: Christopher Clark <christopher.clark6@baesystems.com>
Acked-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Tested-by: Chris Patterson <pattersonc@ainfosec.com>
---
v3 #10 Roger: drop out label, use return -EFAULT in fill_ring_data
v3: Add Daniel's Acked-by

 xen/common/argo.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/xen/common/argo.c b/xen/common/argo.c
index 44228d5..17ad667 100644
--- a/xen/common/argo.c
+++ b/xen/common/argo.c
@@ -1335,6 +1335,17 @@ fill_ring_data(const struct domain *currd,
     if ( !dst_d || !dst_d->argo )
         goto out;
 
+    /*
+     * Don't supply information about rings that a guest is not
+     * allowed to send to.
+     */
+    ret = xsm_argo_send(currd, dst_d);
+    if ( ret )
+    {
+        put_domain(dst_d);
+        return ret;
+    }
+
     read_lock(&dst_d->argo->rings_L2_rwlock);
 
     ring_info = find_ring_info_by_match(dst_d, ent.ring.aport,
-- 
2.7.4


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  parent reply	other threads:[~2019-01-31  4:29 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-31  4:28 [PATCH v7 00/15] Argo: hypervisor-mediated interdomain communication Christopher Clark
2019-01-31  4:28 ` [PATCH v7 01/15] argo: Introduce the Kconfig option to govern inclusion of Argo Christopher Clark
2019-01-31  4:28 ` [PATCH v7 02/15] argo: introduce the argo_op hypercall boilerplate Christopher Clark
2019-01-31 10:22   ` Jan Beulich
2019-02-04 20:32   ` Christopher Clark
2019-02-04 22:07     ` Julien Grall
2019-02-05  0:39   ` Stefano Stabellini
2019-02-05  8:14     ` Jan Beulich
2019-02-05 19:02       ` Stefano Stabellini
2019-02-05 19:35         ` Julien Grall
2019-02-05 21:34           ` Stefano Stabellini
2019-02-06 18:23             ` Julien Grall
2019-02-06 19:35               ` Stefano Stabellini
2019-02-07  9:08                 ` Julien Grall
2019-01-31  4:28 ` [PATCH v7 03/15] argo: define argo_dprintk for subsystem debugging Christopher Clark
2019-01-31  4:28 ` [PATCH v7 04/15] argo: init, destroy and soft-reset, with enable command line opt Christopher Clark
2019-01-31 14:49   ` Roger Pau Monné
2019-01-31 15:13     ` Jan Beulich
2019-01-31 16:05       ` Roger Pau Monné
2019-01-31 16:37         ` Jan Beulich
2019-02-03 17:59           ` Christopher Clark
2019-01-31  4:28 ` [PATCH v7 05/15] errno: add POSIX error codes EMSGSIZE, ECONNREFUSED to the ABI Christopher Clark
2019-01-31  4:28 ` [PATCH v7 06/15] xen/arm: introduce guest_handle_for_field() Christopher Clark
2019-01-31  4:28 ` [PATCH v7 07/15] argo: implement the register op Christopher Clark
2019-01-31 16:01   ` Roger Pau Monné
2019-02-03 18:05     ` Christopher Clark
2019-01-31  4:28 ` [PATCH v7 08/15] argo: implement the unregister op Christopher Clark
2019-01-31  4:28 ` [PATCH v7 09/15] argo: implement the sendv op; evtchn: expose send_guest_global_virq Christopher Clark
2019-01-31 16:35   ` Roger Pau Monné
2019-01-31 16:58     ` Jan Beulich
2019-02-03 18:07       ` Christopher Clark
2019-02-04 14:41   ` Jan Beulich
2019-02-05  0:52     ` Christopher Clark
2019-02-05  7:47       ` Jan Beulich
2019-01-31  4:28 ` [PATCH v7 10/15] argo: implement the notify op Christopher Clark
2019-01-31 16:45   ` Roger Pau Monné
2019-02-03 18:08     ` Christopher Clark
2019-02-04 15:11   ` Jan Beulich
2019-02-05  2:55     ` Christopher Clark
2019-01-31  4:28 ` [PATCH v7 11/15] xsm, argo: XSM control for argo register Christopher Clark
2019-01-31  4:28 ` [PATCH v7 12/15] xsm, argo: XSM control for argo message send operation Christopher Clark
2019-01-31  4:28 ` [PATCH v7 13/15] xsm, argo: XSM control for any access to argo by a domain Christopher Clark
2019-01-31  4:28 ` Christopher Clark [this message]
2019-01-31  4:28 ` [PATCH v7 15/15] MAINTAINERS: add new section for Argo and self as maintainer Christopher Clark
2019-01-31 16:46   ` Roger Pau Monné

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