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58c644ba51
linux/arch/arm
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Peter Zijlstra 58c644ba51 sched/idle: Fix arch_cpu_idle() vs tracing 
We call arch_cpu_idle() with RCU disabled, but then use
local_irq_{en,dis}able(), which invokes tracing, which relies on RCU.

Switch all arch_cpu_idle() implementations to use
raw_local_irq_{en,dis}able() and carefully manage the
lockdep,rcu,tracing state like we do in entry.

(XXX: we really should change arch_cpu_idle() to not return with
interrupts enabled)

Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lkml.kernel.org/r/20201120114925.594122626@infradead.org
2020-11-24 16:47:35 +01:00
..
boot STM32 DT fixes for v5.10, round 1 2020-10-28 17:09:56 +01:00
common ARM/sa1111: add a missing include of dma-map-ops.h 2020-10-20 09:40:33 +02:00
configs ARM: multi_v5_defconfig: Select CONFIG_GPIO_MXC 2020-10-27 07:45:43 +08:00
crypto crypto: arm/aes-neonbs - use typed init/exit routines for XTS 2020-09-25 17:48:15 +10:00
include treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
kernel sched/idle: Fix arch_cpu_idle() vs tracing 2020-11-24 16:47:35 +01:00
lib arm: propagate the calling convention changes down to csum_partial_copy_from_user() 2020-08-20 15:45:16 -04:00
mach-actions ARM: actions: Drop unneeded select of COMMON_CLK 2020-05-15 23:27:37 +02:00
mach-alpine ARM: alpine: Drop unneeded select of HAVE_SMP 2020-05-15 23:27:37 +02:00
mach-artpec
mach-asm9260 ARM: asm9260: Drop unneeded select of GENERIC_CLOCKEVENTS 2020-05-15 23:27:37 +02:00
mach-aspeed ARM: aspeed: Drop unneeded select of HAVE_SMP 2020-05-15 23:27:37 +02:00
mach-at91 ARM: at91: pm: remove unnecessary at91sam9x60_idle 2020-08-17 11:18:59 +02:00
mach-axxia
mach-bcm ARM: bcm: Enable BCM7038_L1_IRQ for ARCH_BRCMSTB 2020-08-17 09:20:34 -07:00
mach-berlin ARM: berlin: Drop unneeded select of HAVE_SMP 2020-05-15 23:27:37 +02:00
mach-clps711x ARM: clps711x: Drop unneeded select of multi-platform selected options 2020-05-15 23:27:37 +02:00
mach-cns3xxx
mach-davinci ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
mach-digicolor
mach-dove
mach-ebsa110 mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
mach-efm32
mach-ep93xx treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mach-exynos Samsung mach/soc changes for v5.10 2020-09-26 12:55:43 -07:00
mach-footbridge treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mach-gemini
mach-highbank dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
mach-hisi ARM: hisi: add support for SD5203 SoC 2020-09-30 09:56:03 +08:00
mach-imx ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
mach-integrator mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
mach-iop32x mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
mach-ixp4xx ARM/ixp4xx: add a missing include of dma-map-ops.h 2020-10-13 13:28:22 +02:00
mach-keystone dma-mapping: introduce DMA range map, supplanting dma_pfn_offset 2020-09-17 18:43:56 +02:00
mach-lpc18xx
mach-lpc32xx
mach-mediatek ARM: mediatek: Replace <linux/clk-provider.h> by <linux/of_clk.h> 2020-05-15 22:55:06 +02:00
mach-meson
mach-milbeaut
mach-mmp treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mach-moxart
mach-mstar ARM: mstar: Select MStar intc 2020-10-03 12:47:56 -07:00
mach-mv78xx0
mach-mvebu mvebu fixes for 5.9 (part 1) 2020-10-26 10:11:55 +01:00
mach-mxs
mach-nomadik
mach-npcm
mach-nspire
mach-omap1 ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
mach-omap2 ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
mach-orion5x treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mach-oxnas ARM: oxnas: make ox820_boot_secondary static 2020-05-12 10:29:33 +02:00
mach-picoxcell
mach-prima2 ARM: prima2: Drop unneeded select of HAVE_SMP 2020-05-15 23:27:38 +02:00
mach-pxa power: supply: gpio-charger: Convert to GPIO descriptors 2020-08-27 16:47:14 +02:00
mach-qcom
mach-rda
mach-realtek
mach-realview VExpress modularization 2020-05-15 23:04:40 +02:00
mach-rockchip
mach-rpc treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mach-s3c ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
mach-s5pv210 ARM: s5pv210: use private pm save/restore 2020-08-19 21:33:11 +02:00
mach-sa1100 power: supply: gpio-charger: Convert to GPIO descriptors 2020-08-27 16:47:14 +02:00
mach-shmobile ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
mach-socfpga ARM: socfpga: PM: add missing put_device() call in socfpga_setup_ocram_self_refresh() 2020-07-28 13:57:36 -05:00
mach-spear
mach-sti Revert "ARM: sti: Implement dummy L2 cache's write_sec" 2020-06-28 14:46:54 +02:00
mach-stm32 ARM: stm32: Replace HTTP links with HTTPS ones 2020-10-03 12:38:54 -07:00
mach-sunxi
mach-tango
mach-tegra treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mach-u300
mach-uniphier
mach-ux500
mach-versatile VExpress modularization 2020-05-15 23:04:40 +02:00
mach-vexpress Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG" 2020-05-28 12:30:33 +02:00
mach-vt8500
mach-zx
mach-zynq mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
mm ARM, xtensa: highmem: avoid clobbering non-page aligned memory reservations 2020-11-04 10:42:57 +02:00
net
nwfpe
oprofile
plat-omap PM: AVS: smartreflex Move driver to soc specific drivers 2020-10-16 18:28:43 +02:00
plat-orion ARM: orion/gpio: Make use of for_each_requested_gpio() 2020-07-18 22:49:23 +02:00
plat-pxa
plat-versatile
probes arm: kprobes: Use generic kretprobe trampoline handler 2020-09-08 11:52:32 +02:00
tools mm/madvise: introduce process_madvise() syscall: an external memory hinting API 2020-10-18 09:27:10 -07:00
vdso kbuild: explicitly specify the build id style 2020-10-09 23:57:30 +09:00
vfp ARM: 8991/1: use VFP assembler mnemonics if available 2020-07-21 16:33:39 +01:00
xen dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
Kbuild ARM: 8981/1: add arch/arm/Kbuild 2020-07-21 16:33:35 +01:00
Kconfig ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
Kconfig-nommu
Kconfig.assembler ARM: 8991/1: use VFP assembler mnemonics if available 2020-07-21 16:33:39 +01:00
Kconfig.debug ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
Makefile ARM: SoC platform updates 2020-10-24 10:33:08 -07:00