diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/printk/printk_safe.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/kernel/printk/printk_safe.c b/kernel/printk/printk_safe.c index efc89a4e9df5..5214d326d3ba 100644 --- a/kernel/printk/printk_safe.c +++ b/kernel/printk/printk_safe.c @@ -110,17 +110,15 @@ again: return add; } -static void printk_safe_flush_line(const char *text, int len) +static inline void printk_safe_flush_line(const char *text, int len) { /* - * The buffers are flushed in NMI only on panic. The messages must - * go only into the ring buffer at this stage. Consoles will get - * explicitly called later when a crashdump is not generated. + * Avoid any console drivers calls from here, because we may be + * in NMI or printk_safe context (when in panic). The messages + * must go only into the ring buffer at this stage. Consoles will + * get explicitly called later when a crashdump is not generated. */ - if (in_nmi()) - printk_deferred("%.*s", len, text); - else - printk("%.*s", len, text); + printk_deferred("%.*s", len, text); } /* printk part of the temporary buffer line by line */ |