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-rw-r--r--lib/Kconfig.debug49
-rw-r--r--lib/bitrev.c4
2 files changed, 29 insertions, 24 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6eccc643c32..0701ddda1df 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -47,6 +47,30 @@ config UNUSED_SYMBOLS
you really need it, and what the merge plan to the mainline kernel for
your module is.
+config DEBUG_FS
+ bool "Debug Filesystem"
+ depends on SYSFS
+ help
+ debugfs is a virtual file system that kernel developers use to put
+ debugging files into. Enable this option to be able to read and
+ write to these files.
+
+ If unsure, say N.
+
+config HEADERS_CHECK
+ bool "Run 'make headers_check' when building vmlinux"
+ depends on !UML
+ help
+ This option will extract the user-visible kernel headers whenever
+ building the kernel, and will run basic sanity checks on them to
+ ensure that exported files do not attempt to include files which
+ were not exported, etc.
+
+ If you're making modifications to header files which are
+ relevant for userspace, say 'Y', and check the headers
+ exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in
+ your build tree), to make sure they're suitable.
+
config DEBUG_KERNEL
bool "Kernel debugging"
help
@@ -302,16 +326,6 @@ config DEBUG_INFO
If unsure, say N.
-config DEBUG_FS
- bool "Debug Filesystem"
- depends on SYSFS
- help
- debugfs is a virtual file system that kernel developers use to put
- debugging files into. Enable this option to be able to read and
- write to these files.
-
- If unsure, say N.
-
config DEBUG_VM
bool "Debug VM"
depends on DEBUG_KERNEL
@@ -372,20 +386,6 @@ config FORCED_INLINING
become the default in the future, until then this option is there to
test gcc for this.
-config HEADERS_CHECK
- bool "Run 'make headers_check' when building vmlinux"
- depends on !UML
- help
- This option will extract the user-visible kernel headers whenever
- building the kernel, and will run basic sanity checks on them to
- ensure that exported files do not attempt to include files which
- were not exported, etc.
-
- If you're making modifications to header files which are
- relevant for userspace, say 'Y', and check the headers
- exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in
- your build tree), to make sure they're suitable.
-
config RCU_TORTURE_TEST
tristate "torture tests for RCU"
depends on DEBUG_KERNEL
@@ -402,6 +402,7 @@ config RCU_TORTURE_TEST
config LKDTM
tristate "Linux Kernel Dump Test Tool Module"
+ depends on DEBUG_KERNEL
depends on KPROBES
default n
help
diff --git a/lib/bitrev.c b/lib/bitrev.c
index f4e1c49c825..989aff73f88 100644
--- a/lib/bitrev.c
+++ b/lib/bitrev.c
@@ -2,6 +2,10 @@
#include <linux/module.h>
#include <linux/bitrev.h>
+MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");
+MODULE_DESCRIPTION("Bit ordering reversal functions");
+MODULE_LICENSE("GPL");
+
const u8 byte_rev_table[256] = {
0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,