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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-01 12:13:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-01 12:13:30 -0700
commitca1f5df23f28228c46aa45d934abad38c6b6ff2e (patch)
tree2a104624002b3c78fee0f0efc5a29150d6292206 /include
parent4d67829e11863072aec7cd1dd2939b1fd3eda17b (diff)
parent8b390ab725fddc443bb0082a6c67e82e25bfba7e (diff)
Merge tag 'printk-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek: - Benjamin Herrenschmidt solved a problem with non-matched console aliases by first checking consoles defined on the command line. It is a more conservative approach than the previous attempts. - Benjamin also made sure that the console accessible via /dev/console always has CON_CONSDEV flag. - Andy Shevchenko added the %ptT modifier for printing struct time64_t. It extends the existing %ptR handling for struct rtc_time. - Bruno Meneguele fixed /dev/kmsg error value returned by unsupported SEEK_CUR. - Tetsuo Handa removed unused pr_cont_once(). ... and a few small fixes. * tag 'printk-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: printk: Remove pr_cont_once() printk: handle blank console arguments passed in. kernel/printk: add kmsg SEEK_CUR handling printk: Fix a typo in comment "interator"->"iterator" usb: pulse8-cec: Switch to use %ptT ARM: bcm2835: Switch to use %ptT lib/vsprintf: Print time64_t in human readable format lib/vsprintf: update comment about simple_strto<foo>() functions printk: Correctly set CON_CONSDEV even when preferred console was not registered printk: Fix preferred console selection with multiple matches printk: Move console matching logic into a separate function printk: Convert a use of sprintf to snprintf in console_unlock
Diffstat (limited to 'include')
-rw-r--r--include/linux/console.h2
-rw-r--r--include/linux/printk.h3
2 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/console.h b/include/linux/console.h
index 7a140f4e5d0c..75dd20650fbe 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -134,7 +134,7 @@ static inline int con_debug_leave(void)
*/
#define CON_PRINTBUFFER (1)
-#define CON_CONSDEV (2) /* Last on the command line */
+#define CON_CONSDEV (2) /* Preferred console, /dev/console */
#define CON_ENABLED (4)
#define CON_BOOT (8)
#define CON_ANYTIME (16) /* Safe to call when cpu is offline */
diff --git a/include/linux/printk.h b/include/linux/printk.h
index e061635e0409..07f2d08f79ff 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -384,8 +384,7 @@ extern int kptr_restrict;
printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
#define pr_info_once(fmt, ...) \
printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
-#define pr_cont_once(fmt, ...) \
- printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
+/* no pr_cont_once, don't do that... */
#if defined(DEBUG)
#define pr_devel_once(fmt, ...) \