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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-09-04 13:20:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-09-04 13:20:19 -0700 |
| commit | 3c31041e37324e143bee98604bb31481e905b4b3 (patch) | |
| tree | 30472b0ba7cf8ab56c657f5681b740bbd41797fe /include | |
| parent | 4accdb9895349026d85e526036ff28c07921d7cf (diff) | |
| parent | f0f692395353b99a54f7f6e5a8684d73af504879 (diff) | |
Merge tag 'printk-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Do not try to get the console lock when it is not need or useful in
panic()
- Replace the global console_suspended state by a per-console flag
- Export symbols needed for dumping the raw printk buffer in panic()
- Fix documentation of printf formats for integer types
- Moved Sergey Senozhatsky to the reviewer role
- Misc cleanups
* tag 'printk-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: export symbols for debug modules
lib: test_scanf: Add explicit type cast to result initialization in test_number_prefix()
printk: ringbuffer: Fix truncating buffer size min_t cast
printk: Rename abandon_console_lock_in_panic() to other_cpu_in_panic()
printk: Add per-console suspended state
printk: Consolidate console deferred printing
printk: Do not take console lock for console_flush_on_panic()
printk: Keep non-panic-CPUs out of console lock
printk: Reduce console_unblank() usage in unsafe scenarios
kdb: Do not assume write() callback available
docs: printk-formats: Treat char as always unsigned
docs: printk-formats: Fix hex printing of signed values
MAINTAINERS: adjust printk/vsprintf entries
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/console.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/console.h b/include/linux/console.h index d3195664baa5..7de11c763eb3 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -154,6 +154,8 @@ static inline int con_debug_leave(void) * receiving the printk spam for obvious reasons. * @CON_EXTENDED: The console supports the extended output format of * /dev/kmesg which requires a larger output buffer. + * @CON_SUSPENDED: Indicates if a console is suspended. If true, the + * printing callbacks must not be called. */ enum cons_flags { CON_PRINTBUFFER = BIT(0), @@ -163,6 +165,7 @@ enum cons_flags { CON_ANYTIME = BIT(4), CON_BRL = BIT(5), CON_EXTENDED = BIT(6), + CON_SUSPENDED = BIT(7), }; /** |