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[PATCH v5 5/6] argo: introduce CONFIG_ARGO_DEBUG
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: dmukhin@xxxxxxxx
- Date: Wed, 3 Jun 2026 12:41:30 -0700
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- Delivery-date: Wed, 03 Jun 2026 19:41:57 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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Add Kconfig knob to enable traces for Argo debugging.
Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
---
Changes since v4:
- fixed dependency on a new Kconfig knob on ARGO
Changes since v3:
- dropped uneeded "If unsure, say N." from new Kconfig description
---
xen/common/Kconfig | 6 ++++++
xen/common/argo.c | 3 +--
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/xen/common/Kconfig b/xen/common/Kconfig
index 5ff71480eebe..7676a78dca71 100644
--- a/xen/common/Kconfig
+++ b/xen/common/Kconfig
@@ -491,6 +491,12 @@ config ARGO
If unsure, say N.
+config ARGO_DEBUG
+ bool "Argo: enable debug traces (UNSUPPORTED)" if ARGO
+ depends on ARGO
+ help
+ Enables extra debug traces for Argo debugging.
+
source "common/sched/Kconfig"
config CRYPTO
diff --git a/xen/common/argo.c b/xen/common/argo.c
index 3c38a51d09a2..b9b362064e7e 100644
--- a/xen/common/argo.c
+++ b/xen/common/argo.c
@@ -318,10 +318,9 @@ static DEFINE_RWLOCK(L1_global_argo_rwlock); /* L1 */
((LOCKING_Read_L1 && spin_is_locked(&(d)->argo->send_L2_lock)) || \
LOCKING_Write_L1)
-#define ARGO_DEBUG 0
#define argo_dprintk(fmt, args...) \
do { \
- if ( ARGO_DEBUG ) \
+ if ( IS_ENABLED(CONFIG_ARGO_DEBUG) ) \
gprintk(XENLOG_DEBUG, "argo: " fmt, ##args);\
} while ( 0 )
--
2.54.0
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