From: Klaus Jensen <k.jensen@samsung.com>
Date: Thu, 28 Jul 2022 06:34:21 +0000 (+0200)
Subject: hw/nvme: do not enable ioeventfd by default
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e2e137f64282a2ee2f359b6df4cd93c83a308e7b;p=qemu.git

hw/nvme: do not enable ioeventfd by default

Do not enable ioeventfd by default. Let the feature mature a bit before
we consider enabling it by default.

Fixes: 2e53b0b45024 ("hw/nvme: Use ioeventfd to handle doorbell updates")
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Jinhao Fan <fanjinhao21s@ict.ac.cn>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 70b454eedb..87aeba0564 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -7670,7 +7670,7 @@ static Property nvme_props[] = {
     DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7),
     DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false),
     DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false),
-    DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, true),
+    DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false),
     DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0),
     DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl,
                      params.auto_transition_zones, true),