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dyndbg: rename __verbose section to __dyndbg

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dyndbg populates its callsite info into __verbose section, change that
to a more specific and descriptive name, __dyndbg.

Also, per checkpatch:
  simplify __attribute(..) to __section(__dyndbg) declaration.

and 1 spelling fix, decriptor

Acked-by: <jbaron@akamai.com>
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Link: https://lore.kernel.org/r/20200719231058.1586423-6-jim.cromie@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jim Cromie 2020-07-19 17:10:45 -06:00 committed by Greg Kroah-Hartman
parent 481c0e33f1
commit e5ebffe18e
4 changed files with 12 additions and 12 deletions
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6
include/asm-generic/vmlinux.lds.h
View File

@ -320,9 +320,9 @@
*(__tracepoints) \
/* implement dynamic printk debug */ \
. = ALIGN(8); \
__start___verbose = .; \
KEEP(*(__verbose)) \
__stop___verbose = .; \
__start___dyndbg = .; \
KEEP(*(__dyndbg)) \
__stop___dyndbg = .; \
LIKELY_PROFILE() \
BRANCH_PROFILE() \
TRACE_PRINTKS() \

4
include/linux/dynamic_debug.h
View File

@ -80,7 +80,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor,
#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \
static struct _ddebug __aligned(8) \
__attribute__((section("__verbose"))) name = { \
__section(__dyndbg) name = { \
.modname = KBUILD_MODNAME, \
.function = __func__, \
.filename = __FILE__, \
@ -133,7 +133,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor,
/*
* "Factory macro" for generating a call to func, guarded by a
* DYNAMIC_DEBUG_BRANCH. The dynamic debug decriptor will be
* DYNAMIC_DEBUG_BRANCH. The dynamic debug descriptor will be
* initialized using the fmt argument. The function will be called with
* the address of the descriptor as first argument, followed by all
* the varargs. Note that fmt is repeated in invocations of this

2
kernel/module.c
View File

@ -3237,7 +3237,7 @@ static int find_module_sections(struct module *mod, struct load_info *info)
if (section_addr(info, "__obsparm"))
pr_warn("%s: Ignoring obsolete parameters\n", mod->name);
info->debug = section_objs(info, "__verbose",
info->debug = section_objs(info, "__dyndbg",
sizeof(*info->debug), &info->num_debug);
return 0;

12
lib/dynamic_debug.c
View File

@ -39,8 +39,8 @@
#include <rdma/ib_verbs.h>
extern struct _ddebug __start___verbose[];
extern struct _ddebug __stop___verbose[];
extern struct _ddebug __start___dyndbg[];
extern struct _ddebug __stop___dyndbg[];
struct ddebug_table {
struct list_head link;
@ -1019,7 +1019,7 @@ static int __init dynamic_debug_init(void)
int n = 0, entries = 0, modct = 0;
int verbose_bytes = 0;
if (&__start___verbose == &__stop___verbose) {
if (&__start___dyndbg == &__stop___dyndbg) {
if (IS_ENABLED(CONFIG_DYNAMIC_DEBUG)) {
pr_warn("_ddebug table is empty in a CONFIG_DYNAMIC_DEBUG build\n");
return 1;
@ -1028,10 +1028,10 @@ static int __init dynamic_debug_init(void)
ddebug_init_success = 1;
return 0;
}
iter = __start___verbose;
iter = __start___dyndbg;
modname = iter->modname;
iter_start = iter;
for (; iter < __stop___verbose; iter++) {
for (; iter < __stop___dyndbg; iter++) {
entries++;
verbose_bytes += strlen(iter->modname) + strlen(iter->function)
+ strlen(iter->filename) + strlen(iter->format);
@ -1054,7 +1054,7 @@ static int __init dynamic_debug_init(void)
ddebug_init_success = 1;
vpr_info("%d modules, %d entries and %d bytes in ddebug tables, %d bytes in (readonly) verbose section\n",
modct, entries, (int)(modct * sizeof(struct ddebug_table)),
verbose_bytes + (int)(__stop___verbose - __start___verbose));
verbose_bytes + (int)(__stop___dyndbg - __start___dyndbg));
/* apply ddebug_query boot param, dont unload tables on err */
if (ddebug_setup_string[0] != '\0') {