Paul E. McKenney fd897573fa rcu: Improve diagnostics for failed RCU grace-period start ...

If a grace period fails to start (for example, because you commented
out the last two lines of rcu_accelerate_cbs_unlocked()), rcu_core()
will invoke rcu_check_gp_start_stall(), which will notice and complain.
However, this complaint is lacking crucial debugging information such
as when the last wakeup executed and what the value of ->gp_seq was at
that time.  This commit therefore removes the current pr_alert() from
rcu_check_gp_start_stall(), instead invoking show_rcu_gp_kthreads(),
which has been updated to print the needed information, which is collected
by rcu_gp_kthread_wake().

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

2019-01-25 15:29:57 -08:00

..

bpf

bpf: fix bpffs bitfield pretty print

2019-01-11 10:40:54 +01:00

cgroup

Merge branch 'for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

2018-12-29 10:57:20 -08:00

configs

kvm_config: add CONFIG_VIRTIO_MENU

2018-10-24 20:55:56 -04:00

debug

kdb: use bool for binary state indicators

2018-12-30 08:31:52 +00:00

dma

swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit

2019-01-16 09:59:17 -05:00

events

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

gcov

gcov: remove CONFIG_GCOV_FORMAT_AUTODETECT

2018-06-08 18:56:02 +09:00

irq

genirq/affinity: Add is_managed to struct irq_affinity_desc

2018-12-19 11:32:08 +01:00

livepatch

livepatch: Replace synchronize_sched() with synchronize_rcu()

2018-12-01 12:38:50 -08:00

locking

kernel/locking/mutex.c: remove caller signal_pending branch predictions

2019-01-04 13:13:48 -08:00

power

mm: convert totalram_pages and totalhigh_pages variables to atomic

2018-12-28 12:11:47 -08:00

printk

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

rcu

rcu: Improve diagnostics for failed RCU grace-period start

2019-01-25 15:29:57 -08:00

sched

jump_label: move 'asm goto' support test to Kconfig

2019-01-06 09:46:51 +09:00

time

Merge tag 'y2038-for-4.21' of ssh://gitolite.kernel.org:/pub/scm/linux/kernel/git/arnd/playground

2018-12-28 12:45:04 -08:00

trace

tracing/kprobes: Fix NULL pointer dereference in trace_kprobe_create()

2019-01-15 11:33:45 -05:00

.gitignore

…

acct.c

…

async.c

kernel/async.c: revert "async: simplify lowest_in_progress()"

2018-02-06 18:32:44 -08:00

audit_fsnotify.c

audit: minimize our use of audit_log_format()

2018-11-26 18:40:00 -05:00

audit_tree.c

audit: minimize our use of audit_log_format()

2018-11-26 18:40:00 -05:00

audit_watch.c

audit: minimize our use of audit_log_format()

2018-11-26 18:40:00 -05:00

audit.c

audit: remove duplicated include from audit.c

2018-12-14 12:09:30 -05:00

audit.h

audit: use current whenever possible

2018-11-26 18:41:21 -05:00

auditfilter.c

audit: rename FILTER_TYPE to FILTER_EXCLUDE

2018-06-19 10:39:54 -04:00

auditsc.c

audit: use current whenever possible

2018-11-26 18:41:21 -05:00

backtracetest.c

…

bounds.c

kbuild: fix kernel/bounds.c 'W=1' warning

2018-10-31 08:54:14 -07:00

capability.c

…

compat.c

make 'user_access_begin()' do 'access_ok()'

2019-01-04 12:56:09 -08:00

configs.c

…

context_tracking.c

…

cpu_pm.c

…

cpu.c

x86/speculation: Rework SMT state change

2018-11-28 11:57:07 +01:00

crash_core.c

kernel/crash_core.c: print timestamp using time64_t

2018-08-22 10:52:47 -07:00

crash_dump.c

…

cred.c

cred: export get_task_cred().

2018-12-19 13:52:44 -05:00

delayacct.c

delayacct: track delays from thrashing cache pages

2018-10-26 16:26:32 -07:00

dma.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

elfcore.c

…

exec_domain.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

exit.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2019-01-16 05:13:36 +12:00

extable.c

extable: Make init_kernel_text() global

2018-02-21 16:54:06 +01:00

fail_function.c

kernel/fail_function.c: remove meaningless null pointer check before debugfs_remove_recursive

2018-10-31 08:54:12 -07:00

fork.c

Merge branch 'akpm' (patches from Andrew)

2019-01-08 18:58:29 -08:00

freezer.c

PM / reboot: Eliminate race between reboot and suspend

2018-08-06 12:35:20 +02:00

futex.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

groups.c

…

hung_task.c

kernel/hung_task.c: break RCU locks based on jiffies

2019-01-04 13:13:45 -08:00

iomem.c

memremap: split devm_memremap_pages() and memremap() infrastructure

2018-05-15 23:08:33 -07:00

irq_work.c

…

jump_label.c

jump_label: move 'asm goto' support test to Kconfig

2019-01-06 09:46:51 +09:00

kallsyms.c

kallsyms: reduce size a little on 64-bit

2018-09-10 22:54:33 +09:00

kcmp.c

…

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.locks

…

Kconfig.preempt

kconfig: warn no new line at end of file

2018-12-15 17:44:35 +09:00

kcov.c

kernel/kcov.c: mark write_comp_data() as notrace

2019-01-04 13:13:47 -08:00

kexec_core.c

mm: convert totalram_pages and totalhigh_pages variables to atomic

2018-12-28 12:11:47 -08:00

kexec_file.c

kexec_file: kexec_walk_memblock() only walks a dedicated region at kdump

2018-12-06 14:38:50 +00:00

kexec_internal.h

…

kexec.c

kexec: add call to LSM hook in original kexec_load syscall

2018-07-16 12:31:57 -07:00

kmod.c

…

kprobes.c

Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-12-26 14:45:18 -08:00

ksysfs.c

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kthread.c

Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-08-13 11:25:07 -07:00

latencytop.c

…

Makefile

kbuild: change filechk to surround the given command with { }

2019-01-06 09:46:51 +09:00

memremap.c

mm/hmm: fix memremap.h, move dev_page_fault_t callback to hmm

2018-12-28 12:11:52 -08:00

module_signing.c

modsign: use all trusted keys to verify module signature

2018-11-07 14:41:41 +01:00

module-internal.h

modsign: log module name in the event of an error

2018-07-02 11:36:17 +02:00

module.c

jump_label: move 'asm goto' support test to Kconfig

2019-01-06 09:46:51 +09:00

notifier.c

…

nsproxy.c

…

padata.c

padata: clean an indentation issue, remove extraneous space

2018-11-16 14:11:04 +08:00

panic.c

kernel/sysctl: add panic_print into sysctl

2019-01-04 13:13:47 -08:00

params.c

kernel/params.c: downgrade warning for unsafe parameters

2018-04-11 10:28:37 -07:00

pid_namespace.c

signal: Use group_send_sig_info to kill all processes in a pid namespace

2018-09-16 16:08:25 +02:00

pid.c

Fix failure path in alloc_pid()

2018-12-28 12:42:30 -08:00

profile.c

mm: remove include/linux/bootmem.h

2018-10-31 08:54:16 -07:00

ptrace.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

range.c

…

reboot.c

kernel/reboot.c: export pm_power_off_prepare

2018-09-11 16:13:24 +01:00

relay.c

kernel/relay.c: change return type to vm_fault_t

2018-06-15 07:55:24 +09:00

resource.c

kernel, resource: check for IORESOURCE_SYSRAM in release_mem_region_adjustable

2018-12-28 12:11:49 -08:00

rseq.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

seccomp.c

seccomp: fix UAF in user-trap code

2019-01-15 09:43:12 -08:00

signal.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

smp.c

smp,cpumask: introduce on_each_cpu_cond_mask

2018-10-09 16:51:11 +02:00

smpboot.c

smpboot: Remove cpumask from the API

2018-07-03 09:20:44 +02:00

smpboot.h

…

softirq.c

Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-10-25 11:43:47 -07:00

stackleak.c

stackleak: Mark stackleak_track_stack() as notrace

2018-12-05 19:31:44 -08:00

stacktrace.c

…

stop_machine.c

Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-08-13 11:25:07 -07:00

sys_ni.c

y2038: socket: Add compat_sys_recvmmsg_time64

2018-12-18 16:13:04 +01:00

sys.c

kernel/sys.c: Clarify that UNAME26 does not generate unique versions anymore

2019-01-14 10:38:03 +12:00

sysctl_binary.c

kernel/sysctl: add panic_print into sysctl

2019-01-04 13:13:47 -08:00

sysctl.c

kernel/sysctl: add panic_print into sysctl

2019-01-04 13:13:47 -08:00

task_work.c

…

taskstats.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

test_kprobes.c

kprobes: Remove jprobe API implementation

2018-06-21 12:33:05 +02:00

torture.c

torture: Remove unnecessary "ret" variables

2018-12-01 12:45:35 -08:00

tracepoint.c

tracing: Replace synchronize_sched() and call_rcu_sched()

2018-11-27 09:21:41 -08:00

tsacct.c

…

ucount.c

headers: untangle kmemleak.h from mm.h

2018-04-05 21:36:27 -07:00

uid16.c

fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers

2018-04-02 20:15:59 +02:00

uid16.h

kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c

2018-04-02 20:15:30 +02:00

umh.c

umh: add exit routine for UMH process

2019-01-11 18:05:40 -08:00

up.c

smp,cpumask: introduce on_each_cpu_cond_mask

2018-10-09 16:51:11 +02:00

user_namespace.c

userns: also map extents in the reverse map to kernel IDs

2018-11-07 23:51:16 -06:00

user-return-notifier.c

…

user.c

userns: use irqsave variant of refcount_dec_and_lock()

2018-08-22 10:52:47 -07:00

utsname_sysctl.c

sys: don't hold uts_sem while accessing userspace memory

2018-08-11 02:05:53 -05:00

utsname.c

uts: create "struct uts_namespace" from kmem_cache

2018-04-11 10:28:35 -07:00

watchdog_hld.c

watchdog: Mark watchdog touch functions as notrace

2018-08-30 12:56:40 +02:00

watchdog.c

watchdog: Mark watchdog touch functions as notrace

2018-08-30 12:56:40 +02:00

workqueue_internal.h

workqueue: Set worker->desc to workqueue name by default

2018-05-18 08:47:13 -07:00

workqueue.c

workqueue: Replace call_rcu_sched() with call_rcu()

2018-11-27 09:21:44 -08:00