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    SubjectRe: [PATCH 01/18] kernel: Use pr_fmt
    On Thu, May 10, 2018 at 08:45:27AM -0700, Joe Perches wrote:
    > Sometime in the future, it would be useful to convert pr_fmt from a
    > default simple define to use a default prefix with KBUILD_MODNAME.
    >
    > There are files in kernel/ that use pr_<level>, some with an embedded
    > prefix, that also do not have a specific pr_fmt define.
    >
    > Add pr_fmt for those files.
    >
    > There are some differences in output as some messages are now prefixed
    > with their KBUILD_MODNAME.
    >
    > Miscellanea:
    >
    > o Align multiline statements to open parenthesis
    > o Wrap and realign arguments to 80 columns where sensible
    > o Coalesce formats
    >
    > Signed-off-by: Joe Perches <joe@perches.com>

    For kernel/torture.c:

    Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

    > ---
    > kernel/acct.c | 2 ++
    > kernel/async.c | 14 ++++++------
    > kernel/audit_tree.c | 2 +-
    > kernel/backtracetest.c | 8 +++----
    > kernel/crash_core.c | 29 ++++++++++++++-----------
    > kernel/exit.c | 2 ++
    > kernel/hung_task.c | 13 +++++------
    > kernel/kprobes.c | 20 ++++++++++-------
    > kernel/module.c | 59 +++++++++++++++++++++++---------------------------
    > kernel/panic.c | 3 +++
    > kernel/params.c | 13 ++++++-----
    > kernel/pid.c | 2 ++
    > kernel/profile.c | 2 ++
    > kernel/range.c | 2 +-
    > kernel/relay.c | 5 ++++-
    > kernel/seccomp.c | 4 +++-
    > kernel/signal.c | 10 +++++----
    > kernel/smpboot.c | 5 ++++-
    > kernel/taskstats.c | 4 +++-
    > kernel/torture.c | 6 +++--
    > kernel/tracepoint.c | 3 +++
    > kernel/workqueue.c | 2 ++
    > 22 files changed, 122 insertions(+), 88 deletions(-)
    >
    > diff --git a/kernel/acct.c b/kernel/acct.c
    > index addf7732fb56..c3d393655f11 100644
    > --- a/kernel/acct.c
    > +++ b/kernel/acct.c
    > @@ -44,6 +44,8 @@
    > * a struct file opened for write. Fixed. 2/6/2000, AV.
    > */
    >
    > +#define pr_fmt(fmt) fmt
    > +
    > #include <linux/mm.h>
    > #include <linux/slab.h>
    > #include <linux/acct.h>
    > diff --git a/kernel/async.c b/kernel/async.c
    > index a893d6170944..9a6ab6016713 100644
    > --- a/kernel/async.c
    > +++ b/kernel/async.c
    > @@ -120,8 +120,8 @@ static void async_run_entry_fn(struct work_struct *work)
    > /* 1) run (and print duration) */
    > if (initcall_debug && system_state < SYSTEM_RUNNING) {
    > pr_debug("calling %lli_%pF @ %i\n",
    > - (long long)entry->cookie,
    > - entry->func, task_pid_nr(current));
    > + (long long)entry->cookie,
    > + entry->func, task_pid_nr(current));
    > calltime = ktime_get();
    > }
    > entry->func(entry->data, entry->cookie);
    > @@ -129,9 +129,9 @@ static void async_run_entry_fn(struct work_struct *work)
    > rettime = ktime_get();
    > delta = ktime_sub(rettime, calltime);
    > pr_debug("initcall %lli_%pF returned 0 after %lld usecs\n",
    > - (long long)entry->cookie,
    > - entry->func,
    > - (long long)ktime_to_ns(delta) >> 10);
    > + (long long)entry->cookie,
    > + entry->func,
    > + (long long)ktime_to_ns(delta) >> 10);
    > }
    >
    > /* 2) remove self from the pending queues */
    > @@ -300,8 +300,8 @@ void async_synchronize_cookie_domain(async_cookie_t cookie, struct async_domain
    > delta = ktime_sub(endtime, starttime);
    >
    > pr_debug("async_continuing @ %i after %lli usec\n",
    > - task_pid_nr(current),
    > - (long long)ktime_to_ns(delta) >> 10);
    > + task_pid_nr(current),
    > + (long long)ktime_to_ns(delta) >> 10);
    > }
    > }
    > EXPORT_SYMBOL_GPL(async_synchronize_cookie_domain);
    > diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
    > index 67e6956c0b61..f34f90b4a346 100644
    > --- a/kernel/audit_tree.c
    > +++ b/kernel/audit_tree.c
    > @@ -739,7 +739,7 @@ static int audit_launch_prune(void)
    > prune_thread = kthread_run(prune_tree_thread, NULL,
    > "audit_prune_tree");
    > if (IS_ERR(prune_thread)) {
    > - pr_err("cannot start thread audit_prune_tree");
    > + pr_err("cannot start thread audit_prune_tree\n");
    > prune_thread = NULL;
    > return -ENOMEM;
    > }
    > diff --git a/kernel/backtracetest.c b/kernel/backtracetest.c
    > index 1323360d90e3..d10cc39b0134 100644
    > --- a/kernel/backtracetest.c
    > +++ b/kernel/backtracetest.c
    > @@ -19,7 +19,7 @@
    >
    > static void backtrace_test_normal(void)
    > {
    > - pr_info("Testing a backtrace from process context.\n");
    > + pr_info("Testing a backtrace from process context\n");
    > pr_info("The following trace is a kernel self test and not a bug!\n");
    >
    > dump_stack();
    > @@ -37,7 +37,7 @@ static DECLARE_TASKLET(backtrace_tasklet, &backtrace_test_irq_callback, 0);
    >
    > static void backtrace_test_irq(void)
    > {
    > - pr_info("Testing a backtrace from irq context.\n");
    > + pr_info("Testing a backtrace from irq context\n");
    > pr_info("The following trace is a kernel self test and not a bug!\n");
    >
    > init_completion(&backtrace_work);
    > @@ -51,7 +51,7 @@ static void backtrace_test_saved(void)
    > struct stack_trace trace;
    > unsigned long entries[8];
    >
    > - pr_info("Testing a saved backtrace.\n");
    > + pr_info("Testing a saved backtrace\n");
    > pr_info("The following trace is a kernel self test and not a bug!\n");
    >
    > trace.nr_entries = 0;
    > @@ -65,7 +65,7 @@ static void backtrace_test_saved(void)
    > #else
    > static void backtrace_test_saved(void)
    > {
    > - pr_info("Saved backtrace test skipped.\n");
    > + pr_info("Saved backtrace test skipped\n");
    > }
    > #endif
    >
    > diff --git a/kernel/crash_core.c b/kernel/crash_core.c
    > index f7674d676889..4eda1ee9da8c 100644
    > --- a/kernel/crash_core.c
    > +++ b/kernel/crash_core.c
    > @@ -6,6 +6,8 @@
    > * Version 2. See the file COPYING for more details.
    > */
    >
    > +#define pr_fmt(fmt) "crashkernel: " fmt
    > +
    > #include <linux/crash_core.h>
    > #include <linux/utsname.h>
    > #include <linux/vmalloc.h>
    > @@ -49,12 +51,12 @@ static int __init parse_crashkernel_mem(char *cmdline,
    > /* get the start of the range */
    > start = memparse(cur, &tmp);
    > if (cur == tmp) {
    > - pr_warn("crashkernel: Memory value expected\n");
    > + pr_warn("Memory value expected\n");
    > return -EINVAL;
    > }
    > cur = tmp;
    > if (*cur != '-') {
    > - pr_warn("crashkernel: '-' expected\n");
    > + pr_warn("'-' expected\n");
    > return -EINVAL;
    > }
    > cur++;
    > @@ -63,18 +65,18 @@ static int __init parse_crashkernel_mem(char *cmdline,
    > if (*cur != ':') {
    > end = memparse(cur, &tmp);
    > if (cur == tmp) {
    > - pr_warn("crashkernel: Memory value expected\n");
    > + pr_warn("Memory value expected\n");
    > return -EINVAL;
    > }
    > cur = tmp;
    > if (end <= start) {
    > - pr_warn("crashkernel: end <= start\n");
    > + pr_warn("end <= start\n");
    > return -EINVAL;
    > }
    > }
    >
    > if (*cur != ':') {
    > - pr_warn("crashkernel: ':' expected\n");
    > + pr_warn("':' expected\n");
    > return -EINVAL;
    > }
    > cur++;
    > @@ -86,7 +88,7 @@ static int __init parse_crashkernel_mem(char *cmdline,
    > }
    > cur = tmp;
    > if (size >= system_ram) {
    > - pr_warn("crashkernel: invalid size\n");
    > + pr_warn("invalid size\n");
    > return -EINVAL;
    > }
    >
    > @@ -108,8 +110,9 @@ static int __init parse_crashkernel_mem(char *cmdline,
    > return -EINVAL;
    > }
    > }
    > - } else
    > - pr_info("crashkernel size resulted in zero bytes\n");
    > + } else {
    > + pr_info("size resulted in zero bytes\n");
    > + }
    >
    > return 0;
    > }
    > @@ -129,14 +132,14 @@ static int __init parse_crashkernel_simple(char *cmdline,
    >
    > *crash_size = memparse(cmdline, &cur);
    > if (cmdline == cur) {
    > - pr_warn("crashkernel: memory value expected\n");
    > + pr_warn("memory value expected\n");
    > return -EINVAL;
    > }
    >
    > if (*cur == '@')
    > *crash_base = memparse(cur+1, &cur);
    > else if (*cur != ' ' && *cur != '\0') {
    > - pr_warn("crashkernel: unrecognized char: %c\n", *cur);
    > + pr_warn("unrecognized char: %c\n", *cur);
    > return -EINVAL;
    > }
    >
    > @@ -167,18 +170,18 @@ static int __init parse_crashkernel_suffix(char *cmdline,
    >
    > *crash_size = memparse(cmdline, &cur);
    > if (cmdline == cur) {
    > - pr_warn("crashkernel: memory value expected\n");
    > + pr_warn("memory value expected\n");
    > return -EINVAL;
    > }
    >
    > /* check with suffix */
    > if (strncmp(cur, suffix, strlen(suffix))) {
    > - pr_warn("crashkernel: unrecognized char: %c\n", *cur);
    > + pr_warn("unrecognized char: %c\n", *cur);
    > return -EINVAL;
    > }
    > cur += strlen(suffix);
    > if (*cur != ' ' && *cur != '\0') {
    > - pr_warn("crashkernel: unrecognized char: %c\n", *cur);
    > + pr_warn("unrecognized char: %c\n", *cur);
    > return -EINVAL;
    > }
    >
    > diff --git a/kernel/exit.c b/kernel/exit.c
    > index 68e1598d7931..679d4de9a5fa 100644
    > --- a/kernel/exit.c
    > +++ b/kernel/exit.c
    > @@ -4,6 +4,8 @@
    > * Copyright (C) 1991, 1992 Linus Torvalds
    > */
    >
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/mm.h>
    > #include <linux/slab.h>
    > #include <linux/sched/autogroup.h>
    > diff --git a/kernel/hung_task.c b/kernel/hung_task.c
    > index 32b479468e4d..c66278415811 100644
    > --- a/kernel/hung_task.c
    > +++ b/kernel/hung_task.c
    > @@ -113,14 +113,13 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
    > if (sysctl_hung_task_warnings) {
    > if (sysctl_hung_task_warnings > 0)
    > sysctl_hung_task_warnings--;
    > - pr_err("INFO: task %s:%d blocked for more than %ld seconds.\n",
    > - t->comm, t->pid, timeout);
    > + pr_err("INFO: task %s:%d blocked for more than %ld seconds\n",
    > + t->comm, t->pid, timeout);
    > pr_err(" %s %s %.*s\n",
    > - print_tainted(), init_utsname()->release,
    > - (int)strcspn(init_utsname()->version, " "),
    > - init_utsname()->version);
    > - pr_err("\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\""
    > - " disables this message.\n");
    > + print_tainted(), init_utsname()->release,
    > + (int)strcspn(init_utsname()->version, " "),
    > + init_utsname()->version);
    > + pr_err("\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message\n");
    > sched_show_task(t);
    > hung_task_show_lock = true;
    > }
    > diff --git a/kernel/kprobes.c b/kernel/kprobes.c
    > index ea619021d901..0b8facde8dd0 100644
    > --- a/kernel/kprobes.c
    > +++ b/kernel/kprobes.c
    > @@ -31,6 +31,9 @@
    > * <jkenisto@us.ibm.com> and Prasanna S Panchamukhi
    > * <prasanna@in.ibm.com> added function-return probes.
    > */
    > +
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/kprobes.h>
    > #include <linux/hash.h>
    > #include <linux/init.h>
    > @@ -985,7 +988,8 @@ static int arm_kprobe_ftrace(struct kprobe *p)
    > ret = ftrace_set_filter_ip(&kprobe_ftrace_ops,
    > (unsigned long)p->addr, 0, 0);
    > if (ret) {
    > - pr_debug("Failed to arm kprobe-ftrace at %p (%d)\n", p->addr, ret);
    > + pr_debug("Failed to arm kprobe-ftrace at %p (%d)\n",
    > + p->addr, ret);
    > return ret;
    > }
    >
    > @@ -2198,7 +2202,7 @@ static int __init populate_kprobe_blacklist(unsigned long *start,
    > if (!kernel_text_address(entry) ||
    > !kallsyms_lookup_size_offset(entry, &size, &offset)) {
    > pr_err("Failed to find blacklist at %p\n",
    > - (void *)entry);
    > + (void *)entry);
    > continue;
    > }
    >
    > @@ -2281,8 +2285,8 @@ static int __init init_kprobes(void)
    > err = populate_kprobe_blacklist(__start_kprobe_blacklist,
    > __stop_kprobe_blacklist);
    > if (err) {
    > - pr_err("kprobes: failed to populate blacklist: %d\n", err);
    > - pr_err("Please take care of using kprobes.\n");
    > + pr_err("failed to populate blacklist: %d\n", err);
    > + pr_err("Please take care of using kprobes\n");
    > }
    >
    > if (kretprobe_blacklist_size) {
    > @@ -2488,10 +2492,10 @@ static int arm_all_kprobes(void)
    > }
    >
    > if (errors)
    > - pr_warn("Kprobes globally enabled, but failed to arm %d out of %d probes\n",
    > + pr_warn("globally enabled, but failed to arm %d out of %d probes\n",
    > errors, total);
    > else
    > - pr_info("Kprobes globally enabled\n");
    > + pr_info("globally enabled\n");
    >
    > already_enabled:
    > mutex_unlock(&kprobe_mutex);
    > @@ -2531,10 +2535,10 @@ static int disarm_all_kprobes(void)
    > }
    >
    > if (errors)
    > - pr_warn("Kprobes globally disabled, but failed to disarm %d out of %d probes\n",
    > + pr_warn("globally disabled, but failed to disarm %d out of %d probes\n",
    > errors, total);
    > else
    > - pr_info("Kprobes globally disabled\n");
    > + pr_info("globally disabled\n");
    >
    > mutex_unlock(&kprobe_mutex);
    >
    > diff --git a/kernel/module.c b/kernel/module.c
    > index 36543e382389..94624b46c9bd 100644
    > --- a/kernel/module.c
    > +++ b/kernel/module.c
    > @@ -16,6 +16,9 @@
    > along with this program; if not, write to the Free Software
    > Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    > */
    > +
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/export.h>
    > #include <linux/extable.h>
    > #include <linux/moduleloader.h>
    > @@ -523,21 +526,17 @@ static bool check_symbol(const struct symsearch *syms,
    > if (syms->licence == GPL_ONLY)
    > return false;
    > if (syms->licence == WILL_BE_GPL_ONLY && fsa->warn) {
    > - pr_warn("Symbol %s is being used by a non-GPL module, "
    > - "which will not be allowed in the future\n",
    > + pr_warn("Symbol %s is being used by a non-GPL module, which will not be allowed in the future.\n",
    > fsa->name);
    > }
    > }
    >
    > #ifdef CONFIG_UNUSED_SYMBOLS
    > if (syms->unused && fsa->warn) {
    > - pr_warn("Symbol %s is marked as UNUSED, however this module is "
    > - "using it.\n", fsa->name);
    > + pr_warn("Symbol %s is marked as UNUSED, however this module is using it.\n",
    > + fsa->name);
    > pr_warn("This symbol will go away in the future.\n");
    > - pr_warn("Please evaluate if this is the right api to use and "
    > - "if it really is, submit a report to the linux kernel "
    > - "mailing list together with submitting your code for "
    > - "inclusion.\n");
    > + pr_warn("Please evaluate if this is the right api to use and if it really is, submit a report to the linux kernel mailing list together with submitting your code for inclusion.\n");
    > }
    > #endif
    >
    > @@ -843,7 +842,7 @@ static int add_module_usage(struct module *a, struct module *b)
    > {
    > struct module_use *use;
    >
    > - pr_debug("Allocating new usage for %s.\n", a->name);
    > + pr_debug("Allocating new usage for %s\n", a->name);
    > use = kmalloc(sizeof(*use), GFP_ATOMIC);
    > if (!use)
    > return -ENOMEM;
    > @@ -1265,7 +1264,7 @@ static int try_to_force_load(struct module *mod, const char *reason)
    > {
    > #ifdef CONFIG_MODULE_FORCE_LOAD
    > if (!test_taint(TAINT_FORCED_MODULE))
    > - pr_warn("%s: %s: kernel tainted.\n", mod->name, reason);
    > + pr_warn("%s: %s: kernel tainted\n", mod->name, reason);
    > add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE);
    > return 0;
    > #else
    > @@ -1435,7 +1434,7 @@ resolve_symbol_wait(struct module *mod,
    > !IS_ERR(ksym = resolve_symbol(mod, info, name, owner))
    > || PTR_ERR(ksym) != -EBUSY,
    > 30 * HZ) <= 0) {
    > - pr_warn("%s: gave up waiting for init of module %s.\n",
    > + pr_warn("%s: gave up waiting for init of module %s\n",
    > mod->name, owner);
    > }
    > return ksym;
    > @@ -2224,8 +2223,7 @@ static int verify_export_symbols(struct module *mod)
    > for (i = 0; i < ARRAY_SIZE(arr); i++) {
    > for (s = arr[i].sym; s < arr[i].sym + arr[i].num; s++) {
    > if (find_symbol(s->name, &owner, NULL, true, false)) {
    > - pr_err("%s: exports duplicate symbol %s"
    > - " (owned by %s)\n",
    > + pr_err("%s: exports duplicate symbol %s (owned by %s)\n",
    > mod->name, s->name, module_name(owner));
    > return -ENOEXEC;
    > }
    > @@ -2257,14 +2255,14 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
    > supposed to happen. */
    > pr_debug("Common symbol: %s\n", name);
    > pr_warn("%s: please compile with -fno-common\n",
    > - mod->name);
    > + mod->name);
    > ret = -ENOEXEC;
    > break;
    >
    > case SHN_ABS:
    > /* Don't need to do anything */
    > pr_debug("Absolute symbol: 0x%08lx\n",
    > - (long)sym[i].st_value);
    > + (long)sym[i].st_value);
    > break;
    >
    > case SHN_LIVEPATCH:
    > @@ -2454,7 +2452,7 @@ static void set_license(struct module *mod, const char *license)
    >
    > if (!license_is_gpl_compatible(license)) {
    > if (!test_taint(TAINT_PROPRIETARY_MODULE))
    > - pr_warn("%s: module license '%s' taints kernel.\n",
    > + pr_warn("%s: module license '%s' taints kernel\n",
    > mod->name, license);
    > add_taint_module(mod, TAINT_PROPRIETARY_MODULE,
    > LOCKDEP_NOW_UNRELIABLE);
    > @@ -2717,7 +2715,7 @@ static void dynamic_debug_setup(struct module *mod, struct _ddebug *debug, unsig
    > #ifdef CONFIG_DYNAMIC_DEBUG
    > if (ddebug_add_module(debug, num, mod->name))
    > pr_err("dynamic debug error adding module: %s\n",
    > - debug->modname);
    > + debug->modname);
    > #endif
    > }
    >
    > @@ -2849,7 +2847,7 @@ static int check_modinfo_livepatch(struct module *mod, struct load_info *info)
    > static int check_modinfo_livepatch(struct module *mod, struct load_info *info)
    > {
    > if (get_modinfo(info, "livepatch")) {
    > - pr_err("%s: module is marked as livepatch module, but livepatch support is disabled",
    > + pr_err("%s: module is marked as livepatch module, but livepatch support is disabled\n",
    > mod->name);
    > return -ENOEXEC;
    > }
    > @@ -2863,7 +2861,7 @@ static void check_modinfo_retpoline(struct module *mod, struct load_info *info)
    > if (retpoline_module_ok(get_modinfo(info, "retpoline")))
    > return;
    >
    > - pr_warn("%s: loading module not compiled with retpoline compiler.\n",
    > + pr_warn("%s: loading module not compiled with retpoline compiler\n",
    > mod->name);
    > }
    >
    > @@ -3037,8 +3035,8 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
    >
    > if (get_modinfo(info, "staging")) {
    > add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK);
    > - pr_warn("%s: module is from the staging directory, the quality "
    > - "is unknown, you have been warned.\n", mod->name);
    > + pr_warn("%s: module is from the staging directory, the quality is unknown, you have been warned\n",
    > + mod->name);
    > }
    >
    > err = check_modinfo_livepatch(mod, info);
    > @@ -3089,8 +3087,8 @@ static int find_module_sections(struct module *mod, struct load_info *info)
    > * This shouldn't happen with same compiler and binutils
    > * building all parts of the module.
    > */
    > - pr_warn("%s: has both .ctors and .init_array.\n",
    > - mod->name);
    > + pr_warn("%s: has both .ctors and .init_array\n",
    > + mod->name);
    > return -EINVAL;
    > }
    > #endif
    > @@ -3227,7 +3225,7 @@ static int check_module_license_and_versions(struct module *mod)
    > LOCKDEP_NOW_UNRELIABLE);
    >
    > if (!prev_taint && test_taint(TAINT_PROPRIETARY_MODULE))
    > - pr_warn("%s: module license taints kernel.\n", mod->name);
    > + pr_warn("%s: module license taints kernel\n", mod->name);
    >
    > #ifdef CONFIG_MODVERSIONS
    > if ((mod->num_syms && !mod->crcs)
    > @@ -3459,8 +3457,7 @@ static noinline int do_init_module(struct module *mod)
    > goto fail_free_freeinit;
    > }
    > if (ret > 0) {
    > - pr_warn("%s: '%s'->init suspiciously returned %d, it should "
    > - "follow 0/-E convention\n"
    > + pr_warn("%s: '%s'->init suspiciously returned %d, it should follow 0/-E convention\n"
    > "%s: loading module anyway...\n",
    > __func__, mod->name, ret, __func__);
    > dump_stack();
    > @@ -3686,9 +3683,8 @@ static int load_module(struct load_info *info, const char __user *uargs,
    > #ifdef CONFIG_MODULE_SIG
    > mod->sig_ok = info->sig_ok;
    > if (!mod->sig_ok) {
    > - pr_notice_once("%s: module verification failed: signature "
    > - "and/or required key missing - tainting "
    > - "kernel\n", mod->name);
    > + pr_notice_once("%s: module verification failed: signature and/or required key missing - tainting kernel\n",
    > + mod->name);
    > add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK);
    > }
    > #endif
    > @@ -3763,7 +3759,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
    > goto coming_cleanup;
    > } else if (after_dashes) {
    > pr_warn("%s: parameters '%s' after `--' ignored\n",
    > - mod->name, after_dashes);
    > + mod->name, after_dashes);
    > }
    >
    > /* Link in to sysfs. */
    > @@ -3843,8 +3839,7 @@ SYSCALL_DEFINE3(init_module, void __user *, umod,
    > if (err)
    > return err;
    >
    > - pr_debug("init_module: umod=%p, len=%lu, uargs=%p\n",
    > - umod, len, uargs);
    > + pr_debug("init_module: umod=%p, len=%lu, uargs=%p\n", umod, len, uargs);
    >
    > err = copy_module_from_user(umod, len, &info);
    > if (err)
    > diff --git a/kernel/panic.c b/kernel/panic.c
    > index 42e487488554..e34631818bb7 100644
    > --- a/kernel/panic.c
    > +++ b/kernel/panic.c
    > @@ -8,6 +8,9 @@
    > * This function is used through-out the kernel (including mm and fs)
    > * to indicate a major problem.
    > */
    > +
    > +#define pr_fmt(fmt) fmt
    > +
    > #include <linux/debug_locks.h>
    > #include <linux/sched/debug.h>
    > #include <linux/interrupt.h>
    > diff --git a/kernel/params.c b/kernel/params.c
    > index ce89f757e6da..757049bfa346 100644
    > --- a/kernel/params.c
    > +++ b/kernel/params.c
    > @@ -15,6 +15,9 @@
    > along with this program; if not, write to the Free Software
    > Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    > */
    > +
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/kernel.h>
    > #include <linux/string.h>
    > #include <linux/errno.h>
    > @@ -141,8 +144,8 @@ static int parse_one(char *param,
    > if (!val &&
    > !(params[i].ops->flags & KERNEL_PARAM_OPS_FL_NOARG))
    > return -EINVAL;
    > - pr_debug("handling %s with %p\n", param,
    > - params[i].ops->set);
    > + pr_debug("handling %s with %p\n",
    > + param, params[i].ops->set);
    > kernel_param_lock(params[i].mod);
    > param_check_unsafe(&params[i]);
    > err = params[i].ops->set(val, &params[i]);
    > @@ -496,8 +499,8 @@ int param_set_copystring(const char *val, const struct kernel_param *kp)
    > const struct kparam_string *kps = kp->str;
    >
    > if (strlen(val)+1 > kps->maxlen) {
    > - pr_err("%s: string doesn't fit in %u chars.\n",
    > - kp->name, kps->maxlen-1);
    > + pr_err("%s: string doesn't fit in %u chars\n",
    > + kp->name, kps->maxlen - 1);
    > return -ENOSPC;
    > }
    > strcpy(kps->string, val);
    > @@ -763,7 +766,7 @@ static struct module_kobject * __init locate_module_kobject(const char *name)
    > #endif
    > if (err) {
    > kobject_put(&mk->kobj);
    > - pr_crit("Adding module '%s' to sysfs failed (%d), the system may be unstable.\n",
    > + pr_crit("Adding module '%s' to sysfs failed (%d), the system may be unstable\n",
    > name, err);
    > return NULL;
    > }
    > diff --git a/kernel/pid.c b/kernel/pid.c
    > index 157fe4b19971..2ddd7adfa77d 100644
    > --- a/kernel/pid.c
    > +++ b/kernel/pid.c
    > @@ -26,6 +26,8 @@
    > *
    > */
    >
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/mm.h>
    > #include <linux/export.h>
    > #include <linux/slab.h>
    > diff --git a/kernel/profile.c b/kernel/profile.c
    > index 9aa2a4445b0d..e5cc8f360236 100644
    > --- a/kernel/profile.c
    > +++ b/kernel/profile.c
    > @@ -14,6 +14,8 @@
    > * Oracle, 2004
    > */
    >
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/export.h>
    > #include <linux/profile.h>
    > #include <linux/bootmem.h>
    > diff --git a/kernel/range.c b/kernel/range.c
    > index d84de6766472..e828c950d401 100644
    > --- a/kernel/range.c
    > +++ b/kernel/range.c
    > @@ -102,7 +102,7 @@ void subtract_range(struct range *range, int az, u64 start, u64 end)
    > range[i].start = end;
    > } else {
    > pr_err("%s: run out of slot in ranges\n",
    > - __func__);
    > + __func__);
    > }
    > range[j].end = start;
    > continue;
    > diff --git a/kernel/relay.c b/kernel/relay.c
    > index c955b10c973c..02f3790af754 100644
    > --- a/kernel/relay.c
    > +++ b/kernel/relay.c
    > @@ -12,6 +12,9 @@
    > *
    > * This file is released under the GPL.
    > */
    > +
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/errno.h>
    > #include <linux/stddef.h>
    > #include <linux/slab.h>
    > @@ -527,7 +530,7 @@ int relay_prepare_cpu(unsigned int cpu)
    > continue;
    > buf = relay_open_buf(chan, cpu);
    > if (!buf) {
    > - pr_err("relay: cpu %d buffer creation failed\n", cpu);
    > + pr_err("cpu %d buffer creation failed\n", cpu);
    > mutex_unlock(&relay_channels_mutex);
    > return -ENOMEM;
    > }
    > diff --git a/kernel/seccomp.c b/kernel/seccomp.c
    > index 5386749cdd21..de696bc574b4 100644
    > --- a/kernel/seccomp.c
    > +++ b/kernel/seccomp.c
    > @@ -14,6 +14,8 @@
    > * of Berkeley Packet Filters/Linux Socket Filters.
    > */
    >
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/refcount.h>
    > #include <linux/audit.h>
    > #include <linux/compat.h>
    > @@ -1323,7 +1325,7 @@ static int __init seccomp_sysctl_init(void)
    >
    > hdr = register_sysctl_paths(seccomp_sysctl_path, seccomp_sysctl_table);
    > if (!hdr)
    > - pr_warn("seccomp: sysctl registration failed\n");
    > + pr_warn("sysctl registration failed\n");
    > else
    > kmemleak_not_leak(hdr);
    >
    > diff --git a/kernel/signal.c b/kernel/signal.c
    > index 0f865d67415d..4b93feddcdcd 100644
    > --- a/kernel/signal.c
    > +++ b/kernel/signal.c
    > @@ -10,6 +10,8 @@
    > * to allow signals to be sent reliably.
    > */
    >
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/slab.h>
    > #include <linux/export.h>
    > #include <linux/init.h>
    > @@ -235,7 +237,7 @@ static inline void print_dropped_signal(int sig)
    > return;
    >
    > pr_info("%s/%d: reached RLIMIT_SIGPENDING, dropped signal %d\n",
    > - current->comm, current->pid, sig);
    > + current->comm, current->pid, sig);
    > }
    >
    > /**
    > @@ -1118,10 +1120,10 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
    > static void print_fatal_signal(int signr)
    > {
    > struct pt_regs *regs = signal_pt_regs();
    > - pr_info("potentially unexpected fatal signal %d.\n", signr);
    > + pr_info("potentially unexpected fatal signal %d\n", signr);
    >
    > #if defined(__i386__) && !defined(__arch_um__)
    > - pr_info("code at %08lx: ", regs->ip);
    > + pr_info("code at %08lx:", regs->ip);
    > {
    > int i;
    > for (i = 0; i < 16; i++) {
    > @@ -1129,7 +1131,7 @@ static void print_fatal_signal(int signr)
    >
    > if (get_user(insn, (unsigned char *)(regs->ip + i)))
    > break;
    > - pr_cont("%02x ", insn);
    > + pr_cont(" %02x", insn);
    > }
    > }
    > pr_cont("\n");
    > diff --git a/kernel/smpboot.c b/kernel/smpboot.c
    > index 5043e7433f4b..17e129faf498 100644
    > --- a/kernel/smpboot.c
    > +++ b/kernel/smpboot.c
    > @@ -1,6 +1,9 @@
    > /*
    > * Common SMP CPU bringup/teardown functions
    > */
    > +
    > +#define pr_fmt(fmt) "SMP: " fmt
    > +
    > #include <linux/cpu.h>
    > #include <linux/err.h>
    > #include <linux/smp.h>
    > @@ -54,7 +57,7 @@ static inline void idle_init(unsigned int cpu)
    > if (!tsk) {
    > tsk = fork_idle(cpu);
    > if (IS_ERR(tsk))
    > - pr_err("SMP: fork_idle() failed for CPU %u\n", cpu);
    > + pr_err("fork_idle() failed for CPU %u\n", cpu);
    > else
    > per_cpu(idle_threads, cpu) = tsk;
    > }
    > diff --git a/kernel/taskstats.c b/kernel/taskstats.c
    > index 4e62a4a8fa91..8973cb0a1eab 100644
    > --- a/kernel/taskstats.c
    > +++ b/kernel/taskstats.c
    > @@ -16,6 +16,8 @@
    > *
    > */
    >
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/kernel.h>
    > #include <linux/taskstats_kern.h>
    > #include <linux/tsacct_kern.h>
    > @@ -690,7 +692,7 @@ static int __init taskstats_init(void)
    > return rc;
    >
    > family_registered = 1;
    > - pr_info("registered taskstats version %d\n", TASKSTATS_GENL_VERSION);
    > + pr_info("registered version %d\n", TASKSTATS_GENL_VERSION);
    > return 0;
    > }
    >
    > diff --git a/kernel/torture.c b/kernel/torture.c
    > index 3de1efbecd6a..da4f95c11bf9 100644
    > --- a/kernel/torture.c
    > +++ b/kernel/torture.c
    > @@ -20,6 +20,9 @@
    > * Author: Paul E. McKenney <paulmck@us.ibm.com>
    > * Based on kernel/rcu/torture.c.
    > */
    > +
    > +#define pr_fmt(fmt) fmt
    > +
    > #include <linux/types.h>
    > #include <linux/kernel.h>
    > #include <linux/init.h>
    > @@ -99,8 +102,7 @@ bool torture_offline(int cpu, long *n_offl_attempts, long *n_offl_successes,
    > return false;
    >
    > if (verbose)
    > - pr_alert("%s" TORTURE_FLAG
    > - "torture_onoff task: offlining %d\n",
    > + pr_alert("%s" TORTURE_FLAG "torture_onoff task: offlining %d\n",
    > torture_type, cpu);
    > starttime = jiffies;
    > (*n_offl_attempts)++;
    > diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
    > index 1e37da2e0c25..d4753ff47738 100644
    > --- a/kernel/tracepoint.c
    > +++ b/kernel/tracepoint.c
    > @@ -15,6 +15,9 @@
    > * along with this program; if not, write to the Free Software
    > * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    > */
    > +
    > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    > +
    > #include <linux/module.h>
    > #include <linux/mutex.h>
    > #include <linux/types.h>
    > diff --git a/kernel/workqueue.c b/kernel/workqueue.c
    > index ca7959be8aaa..7f1f75abcf7c 100644
    > --- a/kernel/workqueue.c
    > +++ b/kernel/workqueue.c
    > @@ -24,6 +24,8 @@
    > * Please read Documentation/core-api/workqueue.rst for details.
    > */
    >
    > +#define pr_fmt(fmt) fmt
    > +
    > #include <linux/export.h>
    > #include <linux/kernel.h>
    > #include <linux/sched.h>
    > --
    > 2.15.0
    >

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