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From 4d4ed9e83c4839f3cad7460bff63328e4e553e02 Mon Sep 17 00:00:00 2001
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Message-Id: <4d4ed9e83c4839f3cad7460bff63328e4e553e02@dist-git>
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From: Martin Kletzander <mkletzan@redhat.com>
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Date: Mon, 23 Nov 2015 12:46:36 +0100
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Subject: [PATCH] qemu: Support vhost-user-multiqueue with QEMU 2.3
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RHEL-only
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1207692
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1284416
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_capabilities.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
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index 12af0dc..943aa5f 100644
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--- a/src/qemu/qemu_capabilities.c
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+++ b/src/qemu/qemu_capabilities.c
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@@ -3393,8 +3393,11 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
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virQEMUCapsSet(qemuCaps, QEMU_CAPS_CPU_AARCH64_OFF);
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/* vhost-user supports multi-queue from v2.4.0 onwards,
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- * but there is no way to query for that capability */
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- if (qemuCaps->version >= 2004000)
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+ * but there is no way to query for that capability
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+ *
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+ * RHEL-only: The change was back-ported to earlier QEMU version,
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+ * particularly 2.3, in BZ 1276100 */
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+ if (qemuCaps->version >= 2003000)
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virQEMUCapsSet(qemuCaps, QEMU_CAPS_VHOSTUSER_MULTIQUEUE);
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if (virQEMUCapsProbeQMPCommands(qemuCaps, mon) < 0)
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--
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2.6.3
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