In cases where the ACPI AML contains errors there can be quite a large
amount of ACPICA kernel log spamming. Reduce this by rate limiting
the messages.
Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
drivers/acpi/osl.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 5ff343096ece..d4ece68e0fd6 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -159,17 +159,21 @@ void __printf(1, 0) acpi_os_vprintf(const char *fmt, va_list args)
if (acpi_in_debugger) {
kdb_printf("%s", buffer);
} else {
- if (printk_get_level(buffer))
- printk("%s", buffer);
- else
- printk(KERN_CONT "%s", buffer);
+ if (printk_ratelimit()) {
+ if (printk_get_level(buffer))
+ printk("%s", buffer);
+ else
+ printk(KERN_CONT "%s", buffer);
+ }
}
#else
if (acpi_debugger_write_log(buffer) < 0) {
- if (printk_get_level(buffer))
- printk("%s", buffer);
- else
- printk(KERN_CONT "%s", buffer);
+ if (printk_ratelimit()) {
+ if (printk_get_level(buffer))
+ printk("%s", buffer);
+ else
+ printk(KERN_CONT "%s", buffer);
+ }
}
#endif
}
--
2.47.2
