* [PATCH 00/18] Convert default pr_fmt from empty to KBUILD_MODNAME
@ 2018-05-10 15:45 Joe Perches
2018-05-10 15:45 ` [PATCH 08/18] random: Remove pr_fmt duplicate logging prefixes Joe Perches
0 siblings, 1 reply; 2+ messages in thread
From: Joe Perches @ 2018-05-10 15:45 UTC (permalink / raw)
To: Steven Rostedt, Alexander Shishkin, Jiri Olsa, Namhyung Kim,
Mathieu Desnoyers, Lai Jiangshan, Andy Lutomirski, Will Drewry,
linux-block, linux-crypto, netdev, linux-fbdev, linux-audit,
linux-kernel, iommu, netfilter-devel, coreteam, linux-integrity,
keyrings, selinux
Cc: dri-devel, linux-security-module
pr_<level> logging uses allow a prefix to be specified with a
specific #define pr_fmt
The default of pr_fmt in printk.h is #define pr_fmt(fmt) fmt
so no prefixing of logging output is generically done.
There are several output logging uses like dump_stack() that are
unprefixed and should remain unprefixed.
This patch series attempts to convert the default #define of pr_fmt to
KBUILD_MODNAME ": " fmt and as well update the various bits of the kernel
that should _not_ be prefixed by adding #define pr_fmt(fmt) fmt to those
compilation units that do not want output message prefixing.
There are about 1200 uses of #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
that could be removed if the default is changed.
A script that does this removal (and removes any blank lines that follow)
for the linux-kernel tree is included below:
$ git grep -P --name-only "define\s+pr_fmt\b" | \
grep -v include/linux/printk.h | \
xargs perl -i -e 'local $/; while (<>) {s/(\n)*[ \t]*#[ \t]*define[ \t]+pr_fmt[ \t]*\([ \t]*(\w+)[ \t]*\)[ \t]*KBUILD_MODNAME[ \t]*\": \"[ \t]*\2[ \t]*\n\s*/\1\n/; s/^\n//; print;}'
This script should be run after this patch series is applied.
The above script output diff is currently:
1198 files changed, 70 insertions(+), 2241 deletions(-)
Joe Perches (18):
kernel: Use pr_fmt
lib: Use pr_fmt
printk: Convert pr_fmt from blank define to KBUILD_MODNAME
x86: Remove pr_fmt duplicate logging prefixes
x86/mtrr: Rename main.c to mtrr.c and remove duplicate prefixes
net: Remove pr_fmt duplicate logging prefixes
blk-mq: Remove pr_fmt duplicate logging prefixes
random: Remove pr_fmt duplicate logging prefixes
ptp: Remove pr_fmt duplicate logging prefixes
efifb: Remove pr_fmt duplicate logging prefixes
proc: Remove pr_fmt duplicate logging prefixes
uprobes: Remove pr_fmt duplicate logging prefixes
printk: Remove pr_fmt duplicate logging prefixes
lib/mpi: Remove pr_fmt duplicate logging prefixes
security: Remove pr_fmt duplicate logging prefixes
aoe: Remove pr_fmt duplicate logging prefixes
security: encrypted-keys: Remove pr_fmt duplicate logging prefixes
rcu: Use pr_fmt to prefix "rcu: " to logging output
arch/x86/events/amd/ibs.c | 2 +-
arch/x86/kernel/cpu/mtrr/Makefile | 2 +-
arch/x86/kernel/cpu/mtrr/{main.c => mtrr.c} | 33 ++++++-------
arch/x86/kernel/e820.c | 32 ++++++------
arch/x86/kernel/hpet.c | 5 +-
arch/x86/kernel/uprobes.c | 4 +-
arch/x86/mm/numa.c | 22 ++++-----
block/blk-mq.c | 9 ++--
drivers/block/aoe/aoeblk.c | 29 ++++++-----
drivers/block/aoe/aoechr.c | 11 ++---
drivers/block/aoe/aoecmd.c | 34 ++++++-------
drivers/block/aoe/aoedev.c | 19 +++-----
drivers/block/aoe/aoemain.c | 6 +--
drivers/block/aoe/aoenet.c | 19 +++-----
drivers/char/hw_random/via-rng.c | 10 ++--
drivers/char/random.c | 16 +++---
drivers/ptp/ptp_clock.c | 4 +-
drivers/video/fbdev/efifb.c | 48 +++++++++---------
fs/proc/root.c | 6 +--
include/linux/printk.h | 2 +-
kernel/acct.c | 2 +
kernel/async.c | 14 +++---
kernel/audit_tree.c | 2 +-
kernel/backtracetest.c | 8 +--
kernel/crash_core.c | 29 ++++++-----
kernel/events/uprobes.c | 3 +-
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/printk/printk.c | 2 +-
kernel/profile.c | 2 +
kernel/range.c | 2 +-
kernel/rcu/rcu_segcblist.c | 2 +
kernel/rcu/rcuperf.c | 10 ++--
kernel/rcu/rcutorture.c | 46 +++++++++---------
kernel/rcu/srcutiny.c | 2 +
kernel/rcu/srcutree.c | 5 +-
kernel/rcu/tiny.c | 3 ++
kernel/rcu/tree.c | 8 +--
kernel/rcu/tree_plugin.h | 67 +++++++++++++++-----------
kernel/rcu/update.c | 19 +++++---
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 +
lib/cpu_rmap.c | 15 +++---
lib/crc32test.c | 2 +
lib/earlycpio.c | 5 +-
lib/find_bit_benchmark.c | 2 +
lib/kobject.c | 36 +++++++-------
lib/kobject_uevent.c | 27 +++++------
lib/mpi/mpicoder.c | 10 ++--
lib/nmi_backtrace.c | 3 ++
lib/percpu_ida.c | 4 +-
lib/percpu_test.c | 2 +
lib/random32.c | 10 ++--
lib/stmp_device.c | 2 +
lib/string.c | 2 +
lib/swiotlb.c | 4 +-
lib/test_debug_virtual.c | 2 +
lib/test_rhashtable.c | 44 +++++++++--------
lib/test_sort.c | 2 +
lib/ubsan.c | 61 ++++++++++++-----------
net/ipv4/ipconfig.c | 59 ++++++++++-------------
net/ipv4/ipmr.c | 2 +-
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 9 ++--
net/ipv6/ip6mr.c | 2 +-
net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c | 6 +--
net/ipv6/netfilter/nf_defrag_ipv6_hooks.c | 4 +-
net/netfilter/nf_conntrack_helper.c | 11 ++---
net/netfilter/nf_conntrack_standalone.c | 2 +-
net/socket.c | 2 +-
security/keys/encrypted-keys/encrypted.c | 63 +++++++++++-------------
security/selinux/selinuxfs.c | 29 ++++++-----
82 files changed, 580 insertions(+), 532 deletions(-)
rename arch/x86/kernel/cpu/mtrr/{main.c => mtrr.c} (96%)
--
2.15.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 08/18] random: Remove pr_fmt duplicate logging prefixes
2018-05-10 15:45 [PATCH 00/18] Convert default pr_fmt from empty to KBUILD_MODNAME Joe Perches
@ 2018-05-10 15:45 ` Joe Perches
0 siblings, 0 replies; 2+ messages in thread
From: Joe Perches @ 2018-05-10 15:45 UTC (permalink / raw)
To: Matt Mackall, Herbert Xu, Theodore Ts'o, Arnd Bergmann,
Greg Kroah-Hartman
Cc: linux-crypto, linux-kernel
Converting pr_fmt from a simple define to use KBUILD_MODNAME added
some duplicate logging prefixes to existing uses.
Remove them.
Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/char/hw_random/via-rng.c | 10 +++++-----
drivers/char/random.c | 16 +++++++---------
2 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index ffe9b0c6c647..b9367e055468 100644
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -24,6 +24,8 @@
* warranty of any kind, whether express or implied.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <crypto/padlock.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -137,8 +139,7 @@ static int via_rng_init(struct hwrng *rng)
* register */
if (((c->x86 == 6) && (c->x86_model >= 0x0f)) || (c->x86 > 6)){
if (!boot_cpu_has(X86_FEATURE_XSTORE_EN)) {
- pr_err(PFX "can't enable hardware RNG "
- "if XSTORE is not enabled\n");
+ pr_err("can't enable hardware RNG if XSTORE is not enabled\n");
return -ENODEV;
}
return 0;
@@ -176,7 +177,7 @@ static int via_rng_init(struct hwrng *rng)
unneeded */
rdmsr(MSR_VIA_RNG, lo, hi);
if ((lo & VIA_RNG_ENABLE) == 0) {
- pr_err(PFX "cannot enable VIA C3 RNG, aborting\n");
+ pr_err("cannot enable VIA C3 RNG, aborting\n");
return -ENODEV;
}
@@ -202,8 +203,7 @@ static int __init mod_init(void)
pr_info("VIA RNG detected\n");
err = hwrng_register(&via_rng);
if (err) {
- pr_err(PFX "RNG registering failed (%d)\n",
- err);
+ pr_err("RNG registering failed (%d)\n", err);
goto out;
}
out:
diff --git a/drivers/char/random.c b/drivers/char/random.c
index cd888d4ee605..d1e35cfcce8e 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -693,7 +693,7 @@ static void credit_entropy_bits(struct entropy_store *r, int nbits)
}
if (unlikely(entropy_count < 0)) {
- pr_warn("random: negative entropy/overflow: pool %s count %d\n",
+ pr_warn("negative entropy/overflow: pool %s count %d\n",
r->name, entropy_count);
WARN_ON(1);
entropy_count = 0;
@@ -857,7 +857,7 @@ static int crng_fast_load(const char *cp, size_t len)
invalidate_batched_entropy();
crng_init = 1;
wake_up_interruptible(&crng_init_wait);
- pr_notice("random: fast init done\n");
+ pr_notice("fast init done\n");
}
return 1;
}
@@ -942,16 +942,14 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
crng_init = 2;
process_random_ready_list();
wake_up_interruptible(&crng_init_wait);
- pr_notice("random: crng init done\n");
+ pr_notice("crng init done\n");
if (unseeded_warning.missed) {
- pr_notice("random: %d get_random_xx warning(s) missed "
- "due to ratelimiting\n",
+ pr_notice("%d get_random_xx warning(s) missed due to ratelimiting\n",
unseeded_warning.missed);
unseeded_warning.missed = 0;
}
if (urandom_warning.missed) {
- pr_notice("random: %d urandom warning(s) missed "
- "due to ratelimiting\n",
+ pr_notice("%d urandom warning(s) missed due to ratelimiting\n",
urandom_warning.missed);
urandom_warning.missed = 0;
}
@@ -1380,7 +1378,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
ibytes = 0;
if (unlikely(entropy_count < 0)) {
- pr_warn("random: negative entropy count: pool %s count %d\n",
+ pr_warn("negative entropy count: pool %s count %d\n",
r->name, entropy_count);
WARN_ON(1);
entropy_count = 0;
@@ -1596,7 +1594,7 @@ static void _warn_unseeded_randomness(const char *func_name, void *caller,
print_once = true;
#endif
if (__ratelimit(&unseeded_warning))
- pr_notice("random: %s called from %pS with crng_init=%d\n",
+ pr_notice("%s called from %pS with crng_init=%d\n",
func_name, caller, crng_init);
}
--
2.15.0
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