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[PATCH v2 7/7] xen/console: simplify printouts in do_printk_ratelimit()
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- From: dmukhin@xxxxxxxx
- Date: Fri, 6 Feb 2026 12:24:24 -0800
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- Delivery-date: Fri, 06 Feb 2026 20:24:59 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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From: Denis Mukhin <dmukhin@xxxxxxxx>
Simplify the code around notification of how many messages have been
rate-limited.
Not a functional change.
Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
---
Changes since v1:
- new patch
---
xen/drivers/char/console.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 536b883d5dcf..a60a7c213555 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -1318,15 +1318,15 @@ static bool do_printk_ratelimit(unsigned int
ratelimit_ms,
spin_unlock(&ratelimit_lock);
if ( lost )
{
- char lost_str[10];
+ char msg[40];
+
+ snprintf(msg, sizeof(msg),
+ "printk: %u messages suppressed\n", lost);
- snprintf(lost_str, sizeof(lost_str), "%u", lost);
/* console_lock may already be acquired by printk(). */
rspin_lock(&console_lock);
printk_start_of_line(CONSOLE_PREFIX);
- __putstr("printk: ");
- __putstr(lost_str);
- __putstr(" messages suppressed.\n");
+ __putstr(msg);
rspin_unlock(&console_lock);
}
local_irq_restore(flags);
--
2.52.0
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