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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 /Documentation/core-api | |
| 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 'Documentation/core-api')
| -rw-r--r-- | Documentation/core-api/printk-formats.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index dfe7e75a71de..4451ef501936 100644 --- a/Documentation/core-api/printk-formats.rst +++ b/Documentation/core-api/printk-formats.rst @@ -15,9 +15,10 @@ Integer types If variable is of Type, use printk format specifier: ------------------------------------------------------------ - char %d or %x + signed char %d or %hhx unsigned char %u or %x - short int %d or %x + char %u or %x + short int %d or %hx unsigned short int %u or %x int %d or %x unsigned int %u or %x @@ -27,9 +28,9 @@ Integer types unsigned long long %llu or %llx size_t %zu or %zx ssize_t %zd or %zx - s8 %d or %x + s8 %d or %hhx u8 %u or %x - s16 %d or %x + s16 %d or %hx u16 %u or %x s32 %d or %x u32 %u or %x |