diff options
| author | Borislav Petkov (AMD) <bp@alien8.de> | 2025-10-29 13:27:43 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-11-20 14:03:41 -0800 |
| commit | 7f37d88f5cb32fff454f12cd99444686482ca23b (patch) | |
| tree | 06cc7312c7c11c55ff1b94fb568ea351b780c319 /lib/Kconfig.debug | |
| parent | 93ce0ff117b0c468961d7c296a03ad57e1e8da9f (diff) | |
| download | tip-7f37d88f5cb32fff454f12cd99444686482ca23b.tar.gz | |
lib/Kconfig.debug: cleanup CONFIG_DEBUG_SECTION_MISMATCH help text
Simplify formulations, correct flow, split it into proper paragraphs and
update structure.
No functional changes.
Link: https://lkml.kernel.org/r/20251029122743.1110-1-bp@kernel.org
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 19592a57e1ed9b..9a087826498a90 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -483,23 +483,23 @@ config DEBUG_SECTION_MISMATCH bool "Enable full Section mismatch analysis" depends on CC_IS_GCC help - The section mismatch analysis checks if there are illegal - references from one section to another section. - During linktime or runtime, some sections are dropped; - any use of code/data previously in these sections would - most likely result in an oops. - In the code, functions and variables are annotated with - __init,, etc. (see the full list in include/linux/init.h), - which results in the code/data being placed in specific sections. + The section mismatch analysis checks if there are illegal references + from one section to another. During linktime or runtime, some + sections are dropped; any use of code/data previously in these + sections would most likely result in an oops. + + In the code, functions and variables are annotated with __init, + __initdata, and so on (see the full list in include/linux/init.h). + This directs the toolchain to place code/data in specific sections. + The section mismatch analysis is always performed after a full - kernel build, and enabling this option causes the following - additional step to occur: - - Add the option -fno-inline-functions-called-once to gcc commands. - When inlining a function annotated with __init in a non-init - function, we would lose the section information and thus - the analysis would not catch the illegal reference. - This option tells gcc to inline less (but it does result in - a larger kernel). + kernel build, and enabling this option causes the option + -fno-inline-functions-called-once to be added to gcc commands. + + However, when inlining a function annotated with __init in + a non-init function, we would lose the section information and thus + the analysis would not catch the illegal reference. This option + tells gcc to inline less (but it does result in a larger kernel). config SECTION_MISMATCH_WARN_ONLY bool "Make section mismatch errors non-fatal" |