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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-25 12:46:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-25 12:46:48 -0700 |
| commit | 7ec85f3e089aa423a69559bf4555b6218b5a2ef7 (patch) | |
| tree | 962f8ecccc876a1ad757bc1080bd4ffd8751e33b /init | |
| parent | df45da57cbd35715d590a36a12968a94508ccd1f (diff) | |
| parent | bee43904dc774b35bb159693ff3f3ff222590bb1 (diff) | |
Merge tag 'printk-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Code cleanup and dead code removal
* tag 'printk-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: Remove obsoleted check for non-existent "user" object
lib/vsprintf: Use isodigit() for the octal number check
Remove orphaned CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/init/Kconfig b/init/Kconfig index c88bb30a8b0b..04acc3f80538 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -765,30 +765,6 @@ config LOG_CPU_MAX_BUF_SHIFT 13 => 8 KB for each CPU 12 => 4 KB for each CPU -config PRINTK_SAFE_LOG_BUF_SHIFT - int "Temporary per-CPU printk log buffer size (12 => 4KB, 13 => 8KB)" - range 10 21 - default 13 - depends on PRINTK - help - Select the size of an alternate printk per-CPU buffer where messages - printed from unsafe contexts are temporary stored. One example would - be NMI messages, another one - printk recursion. The messages are - copied to the main log buffer in a safe context to avoid a deadlock. - The value defines the size as a power of 2. - - Those messages are rare and limited. The largest one is when - a backtrace is printed. It usually fits into 4KB. Select - 8KB if you want to be on the safe side. - - Examples: - 17 => 128 KB for each CPU - 16 => 64 KB for each CPU - 15 => 32 KB for each CPU - 14 => 16 KB for each CPU - 13 => 8 KB for each CPU - 12 => 4 KB for each CPU - config PRINTK_INDEX bool "Printk indexing debugfs interface" depends on PRINTK && DEBUG_FS |