Newly added code in vprintk_nmi prints a size_t using %lu, which causes
a warning on architectures like ARM where it is defined as unsigned int:
kernel/printk/nmi.c: In function '__printk_nmi_flush':
kernel/printk/nmi.c:143:10: warning: format '%lu' expects argument of type
'long unsigned int', but argument 3 has type 'size_t {aka unsigned int}'
[-Wformat=]
This uses the format string that works on all architectures.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Fixes: 0dcfca2060ee ("printk-nmi-generic-solution-for-safe-printk-in-nmi-v4")
---
Found on arm randconfig builds
Please fold this into the patch that caused the warning
diff --git a/kernel/printk/nmi.c b/kernel/printk/nmi.c
index 92c61e960c4a..cdee2707a1f2 100644
--- a/kernel/printk/nmi.c
+++ b/kernel/printk/nmi.c
@@ -140,7 +140,7 @@ more:
* @len must only increase.
*/
if (i && i >= len)
- pr_err("printk_nmi_flush: internal error: i=%d >= len=%lu\n",
+ pr_err("printk_nmi_flush: internal error: i=%d >= len=%zu\n",
i, len);
if (!len)
--
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