Yan Zhai f21ddce5b8 rcu: add a helper to report consolidated flavor QS ... [ Upstream commit 1a77557d48 ] When under heavy load, network processing can run CPU-bound for many tens of seconds. Even in preemptible kernels (non-RT kernel), this can block RCU Tasks grace periods, which can cause trace-event removal to take more than a minute, which is unacceptably long. This commit therefore creates a new helper function that passes through both RCU and RCU-Tasks quiescent states every 100 milliseconds. This hard-coded value suffices for current workloads. Suggested-by: Paul E. McKenney <paulmck@kernel.org> Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org> Signed-off-by: Yan Zhai <yan@cloudflare.com> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Jesper Dangaard Brouer <hawk@kernel.org> Link: https://lore.kernel.org/r/90431d46ee112d2b0af04dbfe936faaca11810a5.1710877680.git.yan@cloudflare.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Stable-dep-of: d6dbbb1124 ("net: report RCU QS on threaded NAPI repolling") Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-03-26 18:21:02 -04:00
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acpi
asm-generic	linux/init: remove __memexit* annotations	2024-02-23 09:12:38 +01:00
clocksource
crypto	crypto: af_alg - Disallow multiple in-flight AIO requests	2024-01-25 15:27:21 -08:00
drm	drm: Fix drm_fixp2int_round() making it add 0.5	2024-03-26 18:21:00 -04:00
dt-bindings	clk: renesas: r8a779g0: Correct PFC/GPIO parent clocks	2024-03-26 18:20:48 -04:00
keys
kunit	kunit: add macro to allow conditionally exposing static symbols to tests	2023-11-20 11:52:08 +01:00
kvm
linux	rcu: add a helper to report consolidated flavor QS	2024-03-26 18:21:02 -04:00
math-emu
media
memory
misc
net	Bluetooth: hci_core: Fix missing instances using HCI_MAX_AD_LENGTH	2024-03-26 18:20:42 -04:00
pcmcia
ras
rdma	RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz	2023-12-13 18:39:15 +01:00
rv
scsi	scsi: sd: usb_storage: uas: Access media prior to querying device properties	2024-03-06 14:45:04 +00:00
soc
sound	ASoC: SOF: Pass PCI SSID to machine driver	2023-11-28 17:06:58 +00:00
target
trace	tracing/net_sched: Fix tracepoints that save qdisc_dev() as a string	2024-03-15 10:48:14 -04:00
uapi	RDMA/irdma: Allow accurate reporting on QP max send/recv WR	2024-03-26 18:20:53 -04:00
ufs
vdso
video
xen	xen: simplify evtchn_do_upcall() call maze	2023-12-08 08:51:20 +01:00