Russell King f49f7007de ARM: OMAP2+: fix lack of timer interrupts on CPU1 after hotplug ... [ Upstream commit 50d6b3cf94 ] If we have a kernel configured for periodic timer interrupts, and we have cpuidle enabled, then we end up with CPU1 losing timer interupts after a hotplug. This can manifest itself in RCU stall warnings, or userspace becoming unresponsive. The problem is that the kernel initially wants to use the TWD timer for interrupts, but the TWD loses context when we enter the C3 cpuidle state. Nothing reprograms the TWD after idle. We have solved this in the past by switching to broadcast timer ticks, and cpuidle44xx switches to that mode at boot time. However, there is nothing to switch from periodic mode local timers after a hotplug operation. We call tick_broadcast_enter() in omap_enter_idle_coupled(), which one would expect would take care of the issue, but internally this only deals with one-shot local timers - tick_broadcast_enable() on the other hand only deals with periodic local timers. So, we need to call both. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> [tony@atomide.com: just standardized the subject line] Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2019-03-23 20:09:44 +01:00
..
boot	ARM: dts: Configure clock parent for pwm vibra	2019-03-23 20:09:42 +01:00
common	ARM: Always build secure_cntvoff.S on ARM V7 to fix shmobile !SMP build	2018-06-23 18:26:48 -07:00
configs	ARM: imx_v6_v7_defconfig: Select CONFIG_TMPFS_POSIX_ACL	2018-11-21 09:19:09 +01:00
crypto	crypto: speck - remove Speck	2018-11-13 11:08:46 -08:00
firmware	ARM: 32-bit SoC platform updates	2018-08-23 13:44:43 -07:00
include	arm/arm64: KVM: Allow a VCPU to fully reset itself	2019-03-23 20:09:43 +01:00
kernel	ARM: spectre-v2: per-CPU vtables to work around big.Little systems	2019-02-20 10:25:38 +01:00
kvm	arm/arm64: KVM: Don't panic on failure to properly reset system registers	2019-03-23 20:09:43 +01:00
lib	ARM: 8797/1: spectre-v1.1: harden __copy_to_user	2019-02-20 10:25:37 +01:00
mach-actions
mach-alpine
mach-artpec
mach-asm9260
mach-aspeed
mach-at91	ARM: Device-tree updates	2018-08-23 14:02:22 -07:00
mach-axxia
mach-bcm	PCI: controller: Move PCI_DOMAINS selection to arch Kconfig	2018-06-26 15:37:37 -05:00
mach-berlin	ARM: berlin: switch to SPDX license identifier	2018-05-24 14:49:09 +08:00
mach-clps711x
mach-cns3xxx	ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment	2019-02-06 17:30:11 +01:00
mach-davinci	DaVinci SoC updates for v4.19	2018-07-14 14:16:26 -07:00
mach-digicolor
mach-dove
mach-ebsa110
mach-efm32
mach-ep93xx	sound updates for 4.18	2018-06-06 09:08:38 -07:00
mach-exynos	ARM: 32-bit SoC platform updates	2018-08-23 13:44:43 -07:00
mach-footbridge	treewide: kzalloc() -> kcalloc()	2018-06-12 16:19:22 -07:00
mach-gemini
mach-highbank
mach-hisi	ARM: hisi: handle of_iomap and fix missing of_node_put	2018-07-16 17:36:50 +01:00
mach-imx	ARM: imx: update the cpu power up timing setting on i.mx6sx	2019-01-13 09:50:56 +01:00
mach-integrator	gpio: pl061: handle failed allocations	2019-02-20 10:25:43 +01:00
mach-iop13xx
mach-iop32x	ARM: iop32x/n2100: fix PCI IRQ mapping	2019-02-15 08:10:12 +01:00
mach-iop33x
mach-ixp4xx	treewide: kzalloc() -> kcalloc()	2018-06-12 16:19:22 -07:00
mach-keystone	ARM: keystone: fix platform_domain_notifier array overrun	2018-05-14 09:24:29 -07:00
mach-ks8695	i2c: gpio: move header to platform_data	2018-05-17 16:27:09 +02:00
mach-lpc18xx
mach-lpc32xx
mach-mediatek
mach-meson	ARM: meson: merge Kconfig symbol MACH_MESON8B into MACH_MESON8	2018-05-23 10:08:13 -07:00
mach-mmp	ARM: mmp/mmp2: fix cpu_is_mmp2() on mmp2-dt	2018-12-19 19:19:51 +01:00
mach-moxart
mach-mv78xx0
mach-mvebu	ARM: mvebu: convert secondary CPU clock sync to hotplug state	2018-06-27 08:40:29 +02:00
mach-mxs
mach-netx
mach-nomadik
mach-npcm
mach-nspire
mach-omap1	ARM: OMAP1: ams-delta: Fix possible use of uninitialized field	2018-12-17 09:24:30 +01:00
mach-omap2	ARM: OMAP2+: fix lack of timer interrupts on CPU1 after hotplug	2019-03-23 20:09:44 +01:00
mach-orion5x
mach-oxnas
mach-picoxcell
mach-prima2
mach-pxa	ARM: pxa: avoid section mismatch warning	2019-02-12 19:47:09 +01:00
mach-qcom
mach-realview
mach-rockchip	ARM: rockchip: Force CONFIG_PM on Rockchip systems	2018-08-24 08:50:23 -07:00
mach-rpc	mm: do not initialize TLB stack vma's with vma_init()	2018-08-01 13:43:38 -07:00
mach-s3c24xx	ARM: s3c24xx: Fix typo in guard macro of s3c2412.h	2018-06-25 18:39:18 +02:00
mach-s3c64xx	regulator: gpio: Revert	2018-06-07 14:23:08 +01:00
mach-s5pv210
mach-sa1100	Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux	2018-06-14 16:21:46 +09:00
mach-shmobile	ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15	2018-07-20 13:44:10 +02:00
mach-socfpga	PCI: controller: Move PCI_DOMAINS selection to arch Kconfig	2018-06-26 15:37:37 -05:00
mach-spear
mach-sti
mach-stm32	ARM: stm32: Don't select DMA unconditionally on STM32MP157C	2018-05-25 15:26:38 -07:00
mach-sunxi
mach-tango	ARM: tango: Improve ARCH_MULTIPLATFORM compatibility	2019-02-15 08:10:12 +01:00
mach-tegra	ARM: SoC platform updates	2018-06-11 17:49:09 -07:00
mach-u300
mach-uniphier	ARM: uniphier: select RESET_CONTROLLER	2018-07-31 19:04:41 -07:00
mach-ux500
mach-versatile
mach-vexpress	treewide: kzalloc() -> kcalloc()	2018-06-12 16:19:22 -07:00
mach-vt8500
mach-w90x900
mach-zx
mach-zynq
mm	ARM: fix the cockup in the previous patch	2019-02-20 10:25:38 +01:00
net	ARM: net: bpf: improve 64-bit ALU implementation	2018-07-13 15:26:42 +02:00
nwfpe
oprofile
plat-iop
plat-omap	ARM/time: Remove read_boot_clock64()	2018-07-20 00:02:41 +02:00
plat-orion
plat-pxa	ARM: pxa: ssp: unneeded to free devm_ allocated data	2019-03-13 14:02:34 -07:00
plat-samsung	headers: fix build error in arch/arm/plat-samsung/adc.c, add <linux/mod_devicetable.h>	2018-07-08 15:19:04 +02:00
plat-versatile
probes	ARM: 8834/1: Fix: kprobes: optimized kprobes illegal instruction	2019-02-27 10:08:49 +01:00
tools	ARM: 8787/1: wire up io_pgetevents syscall	2018-09-19 10:44:11 +01:00
vdso	arm: port KCOV to arm	2018-06-15 07:55:24 +09:00
vfp	ARM: 8810/1: vfp: Fix wrong assignement to ufp_exc	2019-02-20 10:25:37 +01:00
xen	xen: share start flags between PV and PVH	2018-06-19 13:51:00 +02:00
Kconfig	ARM: 32-bit SoC platform updates	2018-08-23 13:44:43 -07:00
Kconfig-nommu
Kconfig.debug	ARM: 32-bit SoC platform updates	2018-08-23 13:44:43 -07:00
Makefile	Kbuild updates for v4.19 (2nd)	2018-08-25 13:40:38 -07:00