linux/arch/arm/mach-imx
Linus Torvalds 7d9d077c78 RCU pull request for v5.20 (or whatever)
This pull request contains the following branches:
 
 doc.2022.06.21a: Documentation updates.
 
 fixes.2022.07.19a: Miscellaneous fixes.
 
 nocb.2022.07.19a: Callback-offload updates, perhaps most notably a new
 	RCU_NOCB_CPU_DEFAULT_ALL Kconfig option that causes all CPUs to
 	be offloaded at boot time, regardless of kernel boot parameters.
 	This is useful to battery-powered systems such as ChromeOS
 	and Android.  In addition, a new RCU_NOCB_CPU_CB_BOOST kernel
 	boot parameter prevents offloaded callbacks from interfering
 	with real-time workloads and with energy-efficiency mechanisms.
 
 poll.2022.07.21a: Polled grace-period updates, perhaps most notably
 	making these APIs account for both normal and expedited grace
 	periods.
 
 rcu-tasks.2022.06.21a: Tasks RCU updates, perhaps most notably reducing
 	the CPU overhead of RCU tasks trace grace periods by more than
 	a factor of two on a system with 15,000 tasks.	The reduction
 	is expected to increase with the number of tasks, so it seems
 	reasonable to hypothesize that a system with 150,000 tasks might
 	see a 20-fold reduction in CPU overhead.
 
 torture.2022.06.21a: Torture-test updates.
 
 ctxt.2022.07.05a: Updates that merge RCU's dyntick-idle tracking into
 	context tracking, thus reducing the overhead of transitioning to
 	kernel mode from either idle or nohz_full userspace execution
 	for kernels that track context independently of RCU.  This is
 	expected to be helpful primarily for kernels built with
 	CONFIG_NO_HZ_FULL=y.
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Merge tag 'rcu.2022.07.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU updates from Paul McKenney:

 - Documentation updates

 - Miscellaneous fixes

 - Callback-offload updates, perhaps most notably a new
   RCU_NOCB_CPU_DEFAULT_ALL Kconfig option that causes all CPUs to be
   offloaded at boot time, regardless of kernel boot parameters.

   This is useful to battery-powered systems such as ChromeOS and
   Android. In addition, a new RCU_NOCB_CPU_CB_BOOST kernel boot
   parameter prevents offloaded callbacks from interfering with
   real-time workloads and with energy-efficiency mechanisms

 - Polled grace-period updates, perhaps most notably making these APIs
   account for both normal and expedited grace periods

 - Tasks RCU updates, perhaps most notably reducing the CPU overhead of
   RCU tasks trace grace periods by more than a factor of two on a
   system with 15,000 tasks.

   The reduction is expected to increase with the number of tasks, so it
   seems reasonable to hypothesize that a system with 150,000 tasks
   might see a 20-fold reduction in CPU overhead

 - Torture-test updates

 - Updates that merge RCU's dyntick-idle tracking into context tracking,
   thus reducing the overhead of transitioning to kernel mode from
   either idle or nohz_full userspace execution for kernels that track
   context independently of RCU.

   This is expected to be helpful primarily for kernels built with
   CONFIG_NO_HZ_FULL=y

* tag 'rcu.2022.07.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (98 commits)
  rcu: Add irqs-disabled indicator to expedited RCU CPU stall warnings
  rcu: Diagnose extended sync_rcu_do_polled_gp() loops
  rcu: Put panic_on_rcu_stall() after expedited RCU CPU stall warnings
  rcutorture: Test polled expedited grace-period primitives
  rcu: Add polled expedited grace-period primitives
  rcutorture: Verify that polled GP API sees synchronous grace periods
  rcu: Make Tiny RCU grace periods visible to polled APIs
  rcu: Make polled grace-period API account for expedited grace periods
  rcu: Switch polled grace-period APIs to ->gp_seq_polled
  rcu/nocb: Avoid polling when my_rdp->nocb_head_rdp list is empty
  rcu/nocb: Add option to opt rcuo kthreads out of RT priority
  rcu: Add nocb_cb_kthread check to rcu_is_callbacks_kthread()
  rcu/nocb: Add an option to offload all CPUs on boot
  rcu/nocb: Fix NOCB kthreads spawn failure with rcu_nocb_rdp_deoffload() direct call
  rcu/nocb: Invert rcu_state.barrier_mutex VS hotplug lock locking order
  rcu/nocb: Add/del rdp to iterate from rcuog itself
  rcu/tree: Add comment to describe GP-done condition in fqs loop
  rcu: Initialize first_gp_fqs at declaration in rcu_gp_fqs()
  rcu/kvfree: Remove useless monitor_todo flag
  rcu: Cleanup RCU urgency state for offline CPU
  ...
2022-08-02 19:12:45 -07:00
..
anatop.c ARM: imx: Use correct SRC base address 2020-12-01 08:09:01 +08:00
avic.c irq: remove handle_domain_{irq,nmi}() 2021-10-26 10:13:31 +01:00
common.h ARM: imx: common: Move prototype outside the SMP block 2021-07-14 15:28:43 +08:00
cpu-imx5.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159 2019-05-30 11:26:37 -07:00
cpu-imx25.c ARM: imx25: support silicon revision 1.2 2022-06-19 11:40:00 +08:00
cpu-imx27.c ARM: imx27: Retrieve the SYSCTRL base address from devicetree 2020-09-22 14:07:46 +08:00
cpu-imx31.c ARM: imx31: Retrieve the IIM base address from devicetree 2020-09-22 14:08:03 +08:00
cpu-imx35.c ARM: imx35: Retrieve the IIM base address from devicetree 2020-09-22 14:08:11 +08:00
cpu.c soc: imx: move cpu code to drivers/soc/imx 2020-05-20 23:03:50 +08:00
cpuidle-imx5.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpuidle-imx6q.c context_tracking: Take idle eqs entrypoints over RCU 2022-07-05 13:32:16 -07:00
cpuidle-imx6sl.c clk: imx: Move 'imx6sl_set_wait_clk()'s prototype out to accessible header 2021-01-30 22:13:23 +08:00
cpuidle-imx6sx.c SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
cpuidle-imx7ulp.c ARM: imx: add i.MX7ULP cpuidle support 2019-01-15 23:03:40 +08:00
cpuidle.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159 2019-05-30 11:26:37 -07:00
crmregs-imx3.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
gpc.c ARM: imx: Remove unnecessary blank lines 2020-03-11 15:17:02 +08:00
hardware.h ARM: imx: Remove unused IMX_GPIO_NR() macro 2021-01-29 16:47:25 +08:00
headsmp.S ARM: imx: add smp support for imx7d 2021-06-12 12:02:57 +08:00
hotplug.c ARM: imx: add smp support for imx7d 2021-06-12 12:02:57 +08:00
iim.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
irq-common.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
irq-common.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
Kconfig ARM: imx: Kconfig: Fix indentation 2022-06-12 09:09:20 +08:00
mach-imx1.c ARM: imx: avic: Convert to using IRQCHIP_DECLARE 2021-03-15 12:21:18 +08:00
mach-imx6q.c Revert "ARM: imx6q: drop of_platform_default_populate() from init_machine" 2021-09-22 11:49:03 +08:00
mach-imx6sl.c ARM: imx: use device_initcall for imx_soc_device_init 2020-05-20 23:03:42 +08:00
mach-imx6sx.c ARM: imx6sx: remove Atheros AR8031 PHY fixup 2021-05-23 11:32:46 +08:00
mach-imx6ul.c ARM: mach-imx: imx6ul: Print SOC revision on boot 2021-01-07 11:25:18 +08:00
mach-imx7d-cm4.c ARM: imx: Provide support for NXP i.MX7D Cortex-M4 2018-07-03 15:17:57 +08:00
mach-imx7d.c ARM: imx: add smp support for imx7d 2021-06-12 12:02:57 +08:00
mach-imx7ulp.c ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version 2020-11-10 09:56:01 +08:00
mach-imx25.c ARM: imx: avic: Convert to using IRQCHIP_DECLARE 2021-03-15 12:21:18 +08:00
mach-imx27.c ARM: imx: avic: Convert to using IRQCHIP_DECLARE 2021-03-15 12:21:18 +08:00
mach-imx31.c ARM: imx: avic: Convert to using IRQCHIP_DECLARE 2021-03-15 12:21:18 +08:00
mach-imx35.c ARM: imx: avic: Convert to using IRQCHIP_DECLARE 2021-03-15 12:21:18 +08:00
mach-imx50.c ARM: imx: Initialize SoC ID on i.MX50 2021-05-13 15:42:21 +08:00
mach-imx51.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159 2019-05-30 11:26:37 -07:00
mach-imx53.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159 2019-05-30 11:26:37 -07:00
mach-imxrt.c ARM: imx: Add initial support for i.MXRT10xx family 2022-01-28 17:46:42 +08:00
mach-ls1021a.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mach-vf610.c ARM: imx: use device_initcall for imx_soc_device_init 2020-05-20 23:03:42 +08:00
Makefile ARM: imx: Add initial support for i.MXRT10xx family 2022-01-28 17:46:42 +08:00
Makefile.boot
mm-imx3.c ARM: imx: avic: Convert to using IRQCHIP_DECLARE 2021-03-15 12:21:18 +08:00
mmdc.c ARM: imx: fix missing 3rd argument in macro imx_mmdc_perf_init 2021-07-23 15:33:30 +08:00
mx2x.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
mx3x.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mx27.h ARM: imx: Remove unused definitions 2020-09-22 14:08:13 +08:00
mx31.h ARM: imx: Remove unused definitions 2020-09-22 14:08:13 +08:00
mx35.h ARM: imx: Remove unused definitions 2020-09-22 14:08:13 +08:00
mxc.h ARM: imx: move cpu definitions into a header 2020-05-20 23:03:47 +08:00
platsmp.c ARM: imx: add smp support for imx7d 2021-06-12 12:02:57 +08:00
pm-imx5.c ARM: mach-imx: Fix a spelling in the file pm-imx5.c 2021-03-15 12:21:59 +08:00
pm-imx6.c Merge branches 'devel-stable' and 'misc' into for-linus 2021-11-02 09:04:22 +00:00
pm-imx7ulp.c ARM: imx: Add missing of_node_put() 2020-02-18 17:46:08 +08:00
pm-imx25.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
pm-imx27.c ARM: imx: pm-imx27: Include "common.h" 2021-05-23 10:48:56 +08:00
resume-imx6.S ARM: imx: build v7_cpu_resume() unconditionally 2020-02-13 21:21:44 +08:00
src.c ARM: imx: register reset controller from a platform driver 2021-10-15 09:38:06 +08:00
ssi-fiq-ksym.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ssi-fiq.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
suspend-imx6.S ARM: imx: build suspend-imx6.S with arm instruction set 2021-01-18 14:47:34 +08:00
suspend-imx53.S ARM: imx: pm-imx5: Fix references to imx5_cpu_suspend_info 2021-05-13 15:40:08 +08:00
system.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
tzic.c irq: remove handle_domain_{irq,nmi}() 2021-10-26 10:13:31 +01:00