From bdf0fe33a4dc57e6397d90a4e024f7bbf89b1c08 Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Thu, 7 Jul 2022 07:43:29 +0300 Subject: init/Kconfig: update KALLSYMS_ALL help text CONFIG_KALLSYMS_ALL is required for kernel live patching which is a common use case that is enabled in some major distros. Update the Kconfig help text to reflect that. While at it, s/e.g./i.e./ to match the text intention. Signed-off-by: Baruch Siach Signed-off-by: Masahiro Yamada --- init/Kconfig | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'init/Kconfig') diff --git a/init/Kconfig b/init/Kconfig index 1b4d8acc3def..db5257bebc18 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1715,16 +1715,17 @@ 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 -- cgit v1.2.3