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Commit 3bdf481e authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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Merge tag 'v4.15-rc6' into patchwork 

Linux 4.15-rc6

* tag 'v4.15-rc6': (734 commits)
  Linux 4.15-rc6
  MAINTAINERS: mark arch/blackfin/ and its gubbins as orphaned
  x86/ldt: Make LDT pgtable free conditional
  x86/ldt: Plug memory leak in error path
  x86/mm: Remove preempt_disable/enable() from __native_flush_tlb()
  x86/smpboot: Remove stale TLB flush invocations
  objtool: Fix seg fault with clang-compiled objects
  objtool: Fix seg fault caused by missing parameter
  kbuild: add '-fno-stack-check' to kernel build options
  timerqueue: Document return values of timerqueue_add/del()
  timers: Invoke timer_start_debug() where it makes sense
  nohz: Prevent a timer interrupt storm in tick_nohz_stop_sched_tick()
  timers: Reinitialize per cpu bases on hotplug
  timers: Use deferrable base independent of base::nohz_active
  genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI
  genirq/irqdomain: Rename early argument of irq_domain_activate_irq()
  x86/vector: Use IRQD_CAN_RESERVE flag
  genirq: Introduce IRQD_CAN_RESERVE flag
  genirq/msi: Handle reactivation only on success
  gpio: brcmstb: Make really use of the new lockdep class
  ...
parents d0c8f6ad 30a7acd5

Documentation/admin-guide/kernel-parameters.rst

+1 −0
Original line number Diff line number Diff line
@@ -109,6 +109,7 @@ parameter is applicable:: 
	IPV6	IPv6 support is enabled.

	ISAPNP	ISA PnP code is enabled.

	ISDN	Appropriate ISDN support is enabled.

	ISOL	CPU Isolation is enabled.

	JOY	Appropriate joystick support is enabled.

	KGDB	Kernel debugger support is enabled.

	KVM	Kernel Virtual Machine support is enabled.

Documentation/admin-guide/kernel-parameters.txt

+15 −3
Original line number Diff line number Diff line
@@ -328,11 +328,15 @@ 
			not play well with APC CPU idle - disable it if you have

			APC and your system crashes randomly.



	apic=		[APIC,X86-32] Advanced Programmable Interrupt Controller

	apic=		[APIC,X86] Advanced Programmable Interrupt Controller

			Change the output verbosity whilst booting

			Format: { quiet (default) | verbose | debug }

			Change the amount of debugging information output

			when initialising the APIC and IO-APIC components.

			For X86-32, this can also be used to specify an APIC

			driver name.

			Format: apic=driver_name

			Examples: apic=bigsmp



	apic_extnmi=	[APIC,X86] External NMI delivery setting

			Format: { bsp (default) | all | none }
@@ -1737,7 +1741,7 @@ 
	isapnp=		[ISAPNP]

			Format: <RDP>,<reset>,<pci_scan>,<verbosity>



	isolcpus=	[KNL,SMP] Isolate a given set of CPUs from disturbance.

	isolcpus=	[KNL,SMP,ISOL] Isolate a given set of CPUs from disturbance.

			[Deprecated - use cpusets instead]

			Format: [flag-list,]<cpu-list>
@@ -2665,7 +2669,7 @@ 
			Valid arguments: on, off

			Default: on



	nohz_full=	[KNL,BOOT]

	nohz_full=	[KNL,BOOT,SMP,ISOL]

			The argument is a cpu list, as described above.

			In kernels built with CONFIG_NO_HZ_FULL=y, set

			the specified list of CPUs whose tick will be stopped
@@ -2711,6 +2715,8 @@ 
			steal time is computed, but won't influence scheduler

			behaviour



	nopti		[X86-64] Disable kernel page table isolation



	nolapic		[X86-32,APIC] Do not enable or use the local APIC.



	nolapic_timer	[X86-32,APIC] Do not use the local APIC timer.
@@ -3285,6 +3291,12 @@ 
	pt.		[PARIDE]

			See Documentation/blockdev/paride.txt.



	pti=		[X86_64]

			Control user/kernel address space isolation:

			on - enable

			off - disable

			auto - default setting



	pty.legacy_count=

			[KNL] Number of legacy pty's. Overwrites compiled-in

			default number.

Documentation/admin-guide/thunderbolt.rst

+1 −1
Original line number Diff line number Diff line
@@ -230,7 +230,7 @@ If supported by your machine this will be exposed by the WMI bus with 
a sysfs attribute called "force_power".



For example the intel-wmi-thunderbolt driver exposes this attribute in:

  /sys/devices/platform/PNP0C14:00/wmi_bus/wmi_bus-PNP0C14:00/86CCFD48-205E-4A77-9C48-2021CBEDE341/force_power

  /sys/bus/wmi/devices/86CCFD48-205E-4A77-9C48-2021CBEDE341/force_power



  To force the power to on, write 1 to this attribute file.

  To disable force power, write 0 to this attribute file.

Documentation/arm64/silicon-errata.txt

+1 −0
Original line number Diff line number Diff line
@@ -75,3 +75,4 @@ stable kernels. 
| Qualcomm Tech. | Falkor v1       | E1003           | QCOM_FALKOR_ERRATUM_1003    |

| Qualcomm Tech. | Falkor v1       | E1009           | QCOM_FALKOR_ERRATUM_1009    |

| Qualcomm Tech. | QDF2400 ITS     | E0065           | QCOM_QDF2400_ERRATUM_0065   |

| Qualcomm Tech. | Falkor v{1,2}   | E1041           | QCOM_FALKOR_ERRATUM_1041    |

Documentation/cgroup-v2.txt

+7 −0
Original line number Diff line number Diff line
@@ -898,6 +898,13 @@ controller implements weight and absolute bandwidth limit models for 
normal scheduling policy and absolute bandwidth allocation model for

realtime scheduling policy.



WARNING: cgroup2 doesn't yet support control of realtime processes and

the cpu controller can only be enabled when all RT processes are in

the root cgroup.  Be aware that system management software may already

have placed RT processes into nonroot cgroups during the system boot

process, and these processes may need to be moved to the root cgroup

before the cpu controller can be enabled.





CPU Interface Files

~~~~~~~~~~~~~~~~~~~