diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/init/Kconfig b/init/Kconfig index 922848a094d7..80fe60fa77fb 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1411,13 +1411,6 @@ config CC_OPTIMIZE_FOR_PERFORMANCE with the "-O2" compiler flag for best performance and most helpful compile-time warnings. -config CC_OPTIMIZE_FOR_PERFORMANCE_O3 - bool "Optimize more for performance (-O3)" - depends on ARC - help - Choosing this option will pass "-O3" to your compiler to optimize - the kernel yet more for performance. - config CC_OPTIMIZE_FOR_SIZE bool "Optimize for size (-Os)" help @@ -1733,16 +1726,17 @@ config KALLSYMS_ALL help Normally kallsyms only contains the symbols of functions for nicer OOPS messages and backtraces (i.e., symbols from the text and inittext - sections). This is sufficient for most cases. And only in very rare - cases (e.g., when a debugger is used) all symbols are required (e.g., - names of variables from the data sections, etc). + sections). This is sufficient for most cases. And only if you want to + enable kernel live patching, or other less common use cases (e.g., + when a debugger is used) all symbols are required (i.e., names of + variables from the data sections, etc). This option makes sure that all symbols are loaded into the kernel image (i.e., symbols from all sections) in cost of increased kernel size (depending on the kernel configuration, it may be 300KiB or something like this). - Say N unless you really need all symbols. + Say N unless you really need all symbols, or kernel live patching. config KALLSYMS_ABSOLUTE_PERCPU bool |