The patch titled
Subject: printk: only look for prefix levels in kernel messages
has been added to the -mm tree. Its filename is
printk-only-look-for-prefix-levels-in-kernel-messages.patch
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From: Joe Perches <joe@xxxxxxxxxxx>
Subject: printk: only look for prefix levels in kernel messages
vprintk_emit() prefix parsing should only be done for internal kernel
messages. This allows existing behavior to be kept in all cases.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Cc: Kay Sievers <kay@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/printk.c | 32 +++++++++++++++++---------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff -puN kernel/printk.c~printk-only-look-for-prefix-levels-in-kernel-messages kernel/printk.c
--- a/kernel/printk.c~printk-only-look-for-prefix-levels-in-kernel-messages
+++ a/kernel/printk.c
@@ -1269,7 +1269,6 @@ asmlinkage int vprintk_emit(int facility
static char cont_buf[LOG_LINE_MAX];
static size_t cont_len;
static int cont_level;
- int kern_level;
static struct task_struct *cont_task;
static char textbuf[LOG_LINE_MAX];
char *text = textbuf;
@@ -1331,21 +1330,24 @@ asmlinkage int vprintk_emit(int facility
newline = true;
}
- /* strip syslog prefix and extract log level or control flags */
- kern_level = printk_get_level(text);
- if (kern_level) {
- const char *end_of_header = printk_skip_level(text);
- switch (kern_level) {
- case '0' ... '7':
- if (level == -1)
- level = kern_level - '0';
- case 'd': /* KERN_DEFAULT */
- prefix = true;
- case 'c': /* KERN_CONT */
- break;
+ /* strip kernel syslog prefix and extract log level or control flags */
+ if (facility == 0) {
+ int kern_level = printk_get_level(text);
+
+ if (kern_level) {
+ const char *end_of_header = printk_skip_level(text);
+ switch (kern_level) {
+ case '0' ... '7':
+ if (level == -1)
+ level = kern_level - '0';
+ case 'd': /* KERN_DEFAULT */
+ prefix = true;
+ case 'c': /* KERN_CONT */
+ break;
+ }
+ text_len -= end_of_header - text;
+ text = (char *)end_of_header;
}
- text_len -= end_of_header - text;
- text = (char *)end_of_header;
}
if (level == -1)
_
Subject: Subject: printk: only look for prefix levels in kernel messages
Patches currently in -mm which might be from joe@xxxxxxxxxxx are
linux-next.patch
maintainers-whitespace-fixes.patch
printk-add-generic-functions-to-find-kern_level-headers.patch
printk-add-kern_levelsh-to-make-kern_level-available-for-asm-use.patch
arch-remove-direct-definitions-of-kern_level-uses.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-checkpatch-fixes.patch
sound-use-printk_get_level-and-printk_skip_level.patch
staging-wlags49_h2-remove-direct-declarations-of-kern_level-prefixes.patch
printk-convert-the-format-for-kern_level-to-a-2-byte-pattern.patch
printk-only-look-for-prefix-levels-in-kernel-messages.patch
printk-remove-the-now-unnecessary-c-annotation-for-kern_cont.patch
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