From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>,
Blue Swirl <blauwirbel@gmail.com>,
qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 3/4] memory: Do not print empty PIO root
Date: Sun, 2 Oct 2011 16:32:18 +0200 [thread overview]
Message-ID: <1317565939-14900-4-git-send-email-avi@redhat.com> (raw)
In-Reply-To: <1317565939-14900-1-git-send-email-avi@redhat.com>
From: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
memory.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/memory.c b/memory.c
index eae67be..19f1d36 100644
--- a/memory.c
+++ b/memory.c
@@ -1360,7 +1360,10 @@ void mtree_info(fprintf_function mon_printf, void *f)
g_free(ml2);
}
- QTAILQ_INIT(&ml_head);
- mon_printf(f, "I/O\n");
- mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head);
+ if (address_space_io.root &&
+ !QTAILQ_EMPTY(&address_space_io.root->subregions)) {
+ QTAILQ_INIT(&ml_head);
+ mon_printf(f, "I/O\n");
+ mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head);
+ }
}
--
1.7.6.3
next prev parent reply other threads:[~2011-10-02 14:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-02 14:32 [Qemu-devel] [PULL 0/4] Memory tree printer Avi Kivity
2011-10-02 14:32 ` [Qemu-devel] [PATCH 1/4] memory: simple memory " Avi Kivity
2011-10-02 14:32 ` [Qemu-devel] [PATCH 2/4] memory: Print region priority Avi Kivity
2011-10-02 14:32 ` Avi Kivity [this message]
2011-10-02 14:32 ` [Qemu-devel] [PATCH 4/4] memory: Print regions in ascending order Avi Kivity
2011-10-02 21:14 ` [Qemu-devel] [PULL 0/4] Memory tree printer Blue Swirl
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