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Add newline to last pr_info to force dmesg to flush

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dmesg only flushes when it encounter a newline. Without a newline, the line
is held in memory pending another printk. In this particular example
(example_atomic.c), the last pr_info in atomic_bitwise() prints when
another printk happens (either by another module, or __exit for this
module.

This can be confusing to new learner. This patch adds a newline to the last
pr_info forcing dmesg to print to the screen when the module is loaded.
This commit is contained in:
Amit Dhingra 2023-09-28 15:26:46 +00:00
parent 7f88a37f09
commit e56fc58bf3
1 changed files with 1 additions and 1 deletions
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examples/example_atomic.c
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@ -50,7 +50,7 @@ static void atomic_bitwise(void)
pr_info("Bits 4: " BYTE_TO_BINARY_PATTERN, BYTE_TO_BINARY(word)); pr_info("Bits 4: " BYTE_TO_BINARY_PATTERN, BYTE_TO_BINARY(word));
word = 255; word = 255;
pr_info("Bits 5: " BYTE_TO_BINARY_PATTERN, BYTE_TO_BINARY(word)); pr_info("Bits 5: " BYTE_TO_BINARY_PATTERN "\n", BYTE_TO_BINARY(word));
} }
static int __init example_atomic_init(void) static int __init example_atomic_init(void)