pr_cont(...) and printk(KERN_CONT ...) uses should be discouraged as their output can be interleaved by multiple logging processes.
Signed-off-by: Joe Perches <[email protected]> --- scripts/checkpatch.pl | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 1579230ebacc..a0909b0229f1 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5268,6 +5268,12 @@ sub process { } } +# check for logging continuations + if ($line =~ /\bprintk\s*\(\s*KERN_CONT\b|\bpr_cont\s*\(/) { + WARN("LOGGING_CONTINUATION", + "Avoid logging continuation uses where feasible\n" . $herecurr); + } + # check for mask then right shift without a parentheses if ($^V && $^V ge 5.10.0 && $line =~ /$LvalOrFunc\s*\&\s*($LvalOrFunc)\s*>>/ && -- 2.10.0.rc2.1.g053435c
