Jason A. Donenfeld 8776be6e6f wireguard: ratelimiter: use hrtimer in selftest ... [ Upstream commit 151c8e499f ] Using msleep() is problematic because it's compared against ratelimiter.c's ktime_get_coarse_boottime_ns(), which means on systems with slow jiffies (such as UML's forced HZ=100), the result is inaccurate. So switch to using schedule_hrtimeout(). However, hrtimer gives us access only to the traditional posix timers, and none of the _COARSE variants. So now, rather than being too imprecise like jiffies, it's too precise. One solution would be to give it a large "range" value, but this will still fire early on a loaded system. A better solution is to align the timeout to the actual coarse timer, and then round up to the nearest tick, plus change. So add the timeout to the current coarse time, and then schedule_hrtimer() until the absolute computed time. This should hopefully reduce flakes in CI as well. Note that we keep the retry loop in case the entire function is running behind, because the test could still be scheduled out, by either the kernel or by the hypervisor's kernel, in which case restarting the test and hoping to not be scheduled out still helps. Fixes: e7096c131e ("net: WireGuard secure network tunnel") Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-08-17 14:41:16 +02:00
..
bpf	bpf: fix potential 32-bit overflow when accessing ARRAY map element	2022-08-17 14:41:08 +02:00
cgroup	cgroup: Use separate src/dst nodes when preloading css_sets for migration	2022-07-22 10:21:20 +02:00
configs	Char/Misc and other driver updates for 5.18-rc1	2022-03-28 12:27:35 -07:00
debug	lockdown: also lock down previous kgdb use	2022-05-30 09:24:03 +02:00
dma	dma-direct: use the correct size for dma_set_encrypted()	2022-06-29 09:04:43 +02:00
entry	entry/kvm: Exit to user mode when TIF_NOTIFY_SIGNAL is set	2022-08-11 13:20:41 +02:00
events	perf/core: Fix data race between perf_event_set_output() and perf_mmap_close()	2022-07-29 17:27:59 +02:00
futex	mm/truncate: Inline invalidate_complete_page() into its one caller	2022-03-21 12:59:01 -04:00
gcov	gcov: Remove compiler version check	2021-12-02 17:25:21 +09:00
irq	irqdomain: Report irq number for NOMAP domains	2022-08-17 14:40:41 +02:00
kcsan	KCSAN updates for v5.17	2022-01-11 09:51:26 -08:00
livepatch	ptrace: Cleanups for v5.18	2022-03-28 17:29:53 -07:00
locking	locking/lockdep: Fix lockdep_init_map_*() confusion	2022-08-17 14:40:30 +02:00
power	PM: hibernate: defer device probing when resuming from hibernation	2022-08-17 14:40:26 +02:00
printk	printk: wake waiters for safe and NMI contexts	2022-06-09 10:30:01 +02:00
rcu	rcutorture: Fix ksoftirqd boosting timing and iteration	2022-08-17 14:40:52 +02:00
sched	io_uring: move to separate directory	2022-08-17 14:40:41 +02:00
time	wireguard: ratelimiter: use hrtimer in selftest	2022-08-17 14:41:16 +02:00
trace	blktrace: Trace remapped requests correctly	2022-08-17 14:40:39 +02:00
.gitignore
acct.c	kernel: remove spurious blkdev.h includes	2021-10-18 06:17:01 -06:00
async.c	Revert "module, async: async_synchronize_full() on module init iff async is used"	2022-02-03 11:20:34 -08:00
audit.c	audit: improve audit queue handling when "audit=1" on cmdline	2022-01-25 13:22:51 -05:00
audit.h	audit: log AUDIT_TIME_* records only from rules	2022-02-22 13:51:40 -05:00
audit_fsnotify.c	fsnotify: clarify contract for create event hooks	2021-10-27 12:32:34 +02:00
audit_tree.c	audit: use struct_size() helper in kmalloc()	2021-12-14 17:39:42 -05:00
audit_watch.c	\n	2021-11-06 16:43:20 -07:00
auditfilter.c	audit/stable-5.17 PR 20220110	2022-01-11 13:08:21 -08:00
auditsc.c	audit: free module name	2022-06-22 14:28:09 +02:00
backtracetest.c
bounds.c
capability.c	xfs: don't generate selinux audit messages for capability testing	2022-03-09 10:32:06 -08:00
cfi.c	cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle	2022-06-22 14:28:10 +02:00
compat.c	arch: remove compat_alloc_user_space	2021-09-08 15:32:35 -07:00
configs.c
context_tracking.c
cpu.c	cpu/hotplug: Remove the 'cpu' member of cpuhp_cpu_state	2022-04-13 21:25:40 +02:00
cpu_pm.c	PM: cpu: Make notifier chain use a raw_spinlock_t	2021-08-16 18:55:32 +02:00
crash_core.c	kernel/crash_core: suppress unknown crashkernel parameter warning	2021-12-25 12:20:55 -08:00
crash_dump.c
cred.c	x86: Mark __invalid_creds() __noreturn	2022-03-15 10:32:44 +01:00
delayacct.c	delayacct: track delays from memory compact	2022-01-20 08:52:55 +02:00
dma.c
exec_domain.c
exit.c	fix race between exit_itimers() and /proc/pid/timers	2022-07-22 10:21:18 +02:00
extable.c	lkdtm: Really write into kernel text in WRITE_KERN	2022-02-16 23:25:12 +11:00
fail_function.c
fork.c	kthread: Don't allocate kthread_struct for init and umh	2022-06-09 10:29:30 +02:00
freezer.c
gen_kheaders.sh
groups.c
hung_task.c	hung_task: move hung_task sysctl interface to hung_task.c	2022-01-22 08:33:34 +02:00
iomem.c
irq_work.c	irq_work: use kasan_record_aux_stack_noalloc() record callstack	2022-04-15 14:49:55 -07:00
jump_label.c
kallsyms.c	kallsyms: Skip the name search for empty string	2022-03-17 20:17:18 -07:00
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks	locking/rwlock: Provide RT variant	2021-08-17 17:50:51 +02:00
Kconfig.preempt	Revert "signal, x86: Delay calling signals in atomic on RT enabled kernels"	2022-03-31 10:36:55 +02:00
kcov.c	kcov: don't generate a warning on vm_insert_page()'s failure	2022-04-21 20:01:10 -07:00
kexec.c	kexec: avoid compat_alloc_user_space	2021-09-08 15:32:34 -07:00
kexec_core.c	exit: Move oops specific logic from do_exit into make_task_dead	2021-12-13 12:04:45 -06:00
kexec_elf.c
kexec_file.c	ima: force signature verification when CONFIG_KEXEC_SIG is configured	2022-07-22 10:21:40 +02:00
kexec_internal.h
kheaders.c
kmod.c
kprobes.c	kprobes: Fix build errors with CONFIG_KRETPROBES=n	2022-06-09 10:30:51 +02:00
ksysfs.c	kernel/ksysfs.c: use helper macro __ATTR_RW	2022-03-23 19:00:33 -07:00
kthread.c	asm-generic updates for 5.18	2022-03-23 18:03:08 -07:00
latencytop.c
Makefile	static_call: Don't make __static_call_return0 static	2022-04-05 09:59:38 +02:00
module-internal.h	module: add in-kernel support for decompressing	2022-01-11 18:45:02 -08:00
module.c	module: fix [e_shstrndx].sh_size=0 OOB access	2022-06-09 10:30:30 +02:00
module_decompress.c	module: fix building with sysfs disabled	2022-02-16 12:51:32 -08:00
module_signature.c
module_signing.c
notifier.c	notifier: Return an error when a callback has already been registered	2021-12-29 10:37:33 +01:00
nsproxy.c	memcg: enable accounting for new namesapces and struct nsproxy	2021-09-03 09:58:12 -07:00
padata.c	padata: replace cpumask_weight with cpumask_empty in padata.c	2022-01-31 11:21:46 +11:00
panic.c	panic: move panic_print before kmsg dumpers	2022-03-23 19:00:35 -07:00
params.c	kobject: remove kset from struct kset_uevent_ops callbacks	2021-12-28 11:26:18 +01:00
pid.c	pid: add pidfd_get_task() helper	2021-10-14 13:29:18 +02:00
pid_namespace.c	memcg: enable accounting for new namesapces and struct nsproxy	2021-09-03 09:58:12 -07:00
profile.c	exit: Remove profile_handoff_task	2022-01-08 12:43:57 -06:00
ptrace.c	ptrace: Reimplement PTRACE_KILL by always sending SIGKILL	2022-06-09 10:29:30 +02:00
range.c
reboot.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2021-11-12 11:53:16 -08:00
regset.c
relay.c
resource.c	kernel/resource: fix kfree() of bootmem memory again	2022-03-23 19:00:35 -07:00
resource_kunit.c
rseq.c	rseq: Remove broken uapi field layout on 32-bit little endian	2022-02-02 13:11:34 +01:00
scftorture.c	scftorture: Fix distribution of short handler delays	2022-06-09 10:29:58 +02:00
scs.c	kasan, vmalloc: only tag normal vmalloc allocations	2022-03-24 19:06:48 -07:00
seccomp.c	ptrace: Cleanups for v5.18	2022-03-28 17:29:53 -07:00
signal.c	signal handling: don't use BUG_ON() for debugging	2022-07-22 10:21:56 +02:00
smp.c	smp: Fix offline cpu check in flush_smp_call_function_queue()	2022-04-13 18:44:35 +02:00
smpboot.c
smpboot.h
softirq.c	genirq, softirq: Use in_hardirq() instead of in_irq()	2022-02-02 21:34:19 +01:00
stackleak.c	gcc-plugins/stackleak: Use noinstr in favor of notrace	2022-02-03 17:02:21 -08:00
stacktrace.c	uaccess: remove CONFIG_SET_FS	2022-02-25 09:36:06 +01:00
static_call.c	static_call: Don't make __static_call_return0 static	2022-04-05 09:59:38 +02:00
static_call_inline.c	static_call: Don't make __static_call_return0 static	2022-04-05 09:59:38 +02:00
stop_machine.c
sys.c	prlimit: do not grab the tasklist_lock	2022-03-08 14:33:36 -06:00
sys_ni.c	mm/mempolicy: wire up syscall set_mempolicy_home_node	2022-01-15 16:30:30 +02:00
sysctl-test.c
sysctl.c	mm: sysctl: fix missing numa_stat when !CONFIG_HUGETLB_PAGE	2022-07-22 10:21:44 +02:00
task_work.c	resume_user_mode: Move to resume_user_mode.h	2022-03-10 16:51:50 -06:00
taskstats.c	taskstats: remove unneeded dead assignment	2022-03-23 19:00:35 -07:00
torture.c	torture: Wake up kthreads after storing task_struct pointer	2022-02-01 17:24:39 -08:00
tracepoint.c	tracepoint: Fix kerneldoc comments	2021-08-16 11:39:51 -04:00
tsacct.c	taskstats: Cleanup the use of task->exit_code	2022-01-08 12:43:57 -06:00
ucount.c	ucounts: Handle wrapping in is_ucounts_overlimit	2022-02-17 09:11:57 -06:00
uid16.c
uid16.h
umh.c	kthread: Don't allocate kthread_struct for init and umh	2022-06-09 10:29:30 +02:00
up.c
user-return-notifier.c
user.c	fs/epoll: use a per-cpu counter for user's watches count	2021-09-08 11:50:27 -07:00
user_namespace.c	ucounts: Fix systemd LimitNPROC with private users regression	2022-02-25 10:40:14 -06:00
usermode_driver.c
utsname.c
utsname_sysctl.c
watch_queue.c	watch_queue: Fix missing locking in add_watch_to_object()	2022-08-03 12:05:19 +02:00
watchdog.c	sched/isolation: Use single feature type while referring to housekeeping cpumask	2022-02-16 15:57:55 +01:00
watchdog_hld.c
workqueue.c	Merge branch 'for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq	2022-03-23 12:40:51 -07:00
workqueue_internal.h	workqueue: Assign a color to barrier work items	2021-08-17 07:49:10 -10:00