Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 104 insertions, 14 deletions

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 41644336e3..b72e2049c4 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -580,6 +580,10 @@
 			named mounts. Specifying both "all" and "named" disables
 			all v1 hierarchies.
 
+	cgroup_favordynmods= [KNL] Enable or Disable favordynmods.
+			Format: { "true" | "false" }
+			Defaults to the value of CONFIG_CGROUP_FAVOR_DYNMODS.
+
 	cgroup.memory=	[KNL] Pass options to the cgroup memory controller.
 			Format: <string>
 			nosocket -- Disable socket memory accounting.
@@ -1331,6 +1335,7 @@
 			earlyprintk=dbgp[debugController#]
 			earlyprintk=pciserial[,force],bus:device.function[,baudrate]
 			earlyprintk=xdbc[xhciController#]
+			earlyprintk=bios
 
 			earlyprintk is useful when the kernel crashes before
 			the normal console is initialized. It is not enabled by
@@ -1361,6 +1366,8 @@
 
 			The sclp output can only be used on s390.
 
+			The bios output can only be used on SuperH.
+
 			The optional "force" to "pciserial" enables use of a
 			PCI device even when its classcode is not of the
 			UART class.
@@ -1449,7 +1456,7 @@
 			See comment before function elanfreq_setup() in
 			arch/x86/kernel/cpu/cpufreq/elanfreq.c.
 
-	elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
+	elfcorehdr=[size[KMG]@]offset[KMG] [PPC,SH,X86,S390]
 			Specifies physical address of start of kernel core
 			image elf header and optionally the size. Generally
 			kexec loader will pass this option to capture kernel.
@@ -1512,12 +1519,6 @@
 	floppy=		[HW]
 			See Documentation/admin-guide/blockdev/floppy.rst.
 
-	force_pal_cache_flush
-			[IA-64] Avoid check_sal_cache_flush which may hang on
-			buggy SAL_CACHE_FLUSH implementations. Using this
-			parameter will force ia64_sal_cache_flush to call
-			ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
-
 	forcepae	[X86-32]
 			Forcefully enable Physical Address Extension (PAE).
 			Many Pentium M systems disable PAE but may have a
@@ -1893,6 +1894,12 @@
 			 0 -- machine default
 			 1 -- force brightness inversion
 
+	ia32_emulation=	[X86-64]
+			Format: <bool>
+			When true, allows loading 32-bit programs and executing 32-bit
+			syscalls, essentially overriding IA32_EMULATION_DEFAULT_DISABLED at
+			boot time. When false, unconditionally disables IA32 emulation.
+
 	icn=		[HW,ISDN]
 			Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
 
@@ -2220,7 +2227,7 @@
 			  forcing Dual Address Cycle for PCI cards supporting
 			  greater than 32-bit addressing.
 
-	iommu.strict=	[ARM64, X86] Configure TLB invalidation behaviour
+	iommu.strict=	[ARM64, X86, S390] Configure TLB invalidation behaviour
 			Format: { "0" | "1" }
 			0 - Lazy mode.
 			  Request that DMA unmap operations use deferred
@@ -2913,6 +2920,38 @@
 			to extract confidential information from the kernel
 			are also disabled.
 
+	locktorture.acq_writer_lim= [KNL]
+			Set the time limit in jiffies for a lock
+			acquisition.  Acquisitions exceeding this limit
+			will result in a splat once they do complete.
+
+	locktorture.bind_readers= [KNL]
+			Specify the list of CPUs to which the readers are
+			to be bound.
+
+	locktorture.bind_writers= [KNL]
+			Specify the list of CPUs to which the writers are
+			to be bound.
+
+	locktorture.call_rcu_chains= [KNL]
+			Specify the number of self-propagating call_rcu()
+			chains to set up.  These are used to ensure that
+			there is a high probability of an RCU grace period
+			in progress at any given time.	Defaults to 0,
+			which disables these call_rcu() chains.
+
+	locktorture.long_hold= [KNL]
+			Specify the duration in milliseconds for the
+			occasional long-duration lock hold time.  Defaults
+			to 100 milliseconds.  Select 0 to disable.
+
+	locktorture.nested_locks= [KNL]
+			Specify the maximum lock nesting depth that
+			locktorture is to exercise, up to a limit of 8
+			(MAX_NESTED_LOCKS).  Specify zero to disable.
+			Note that this parameter is ineffective on types
+			of locks that do not support nested acquisition.
+
 	locktorture.nreaders_stress= [KNL]
 			Set the number of locking read-acquisition kthreads.
 			Defaults to being automatically set based on the
@@ -2928,6 +2967,25 @@
 			Set time (s) between CPU-hotplug operations, or
 			zero to disable CPU-hotplug testing.
 
+	locktorture.rt_boost= [KNL]
+			Do periodic testing of real-time lock priority
+			boosting.  Select 0 to disable, 1 to boost
+			only rt_mutex, and 2 to boost unconditionally.
+			Defaults to 2, which might seem to be an
+			odd choice, but which should be harmless for
+			non-real-time spinlocks, due to their disabling
+			of preemption.	Note that non-realtime mutexes
+			disable boosting.
+
+	locktorture.rt_boost_factor= [KNL]
+			Number that determines how often and for how
+			long priority boosting is exercised.  This is
+			scaled down by the number of writers, so that the
+			number of boosts per unit time remains roughly
+			constant as the number of writers increases.
+			On the other hand, the duration of each boost
+			increases with the number of writers.
+
 	locktorture.shuffle_interval= [KNL]
 			Set task-shuffle interval (jiffies).  Shuffling
 			tasks allows some CPUs to go into dyntick-idle
@@ -2950,13 +3008,13 @@
 	locktorture.torture_type= [KNL]
 			Specify the locking implementation to test.
 
+	locktorture.verbose= [KNL]
+			Enable additional printk() statements.
+
 	locktorture.writer_fifo= [KNL]
 			Run the write-side locktorture kthreads at
 			sched_set_fifo() real-time priority.
 
-	locktorture.verbose= [KNL]
-			Enable additional printk() statements.
-
 	logibm.irq=	[HW,MOUSE] Logitech Bus Mouse Driver
 			Format: <irq>
 
@@ -3275,6 +3333,11 @@
 
 	mga=		[HW,DRM]
 
+	microcode.force_minrev=	[X86]
+			Format: <bool>
+			Enable or disable the microcode minimal revision
+			enforcement for the runtime microcode loader.
+
 	min_addr=nn[KMG]	[KNL,BOOT,IA-64] All physical memory below this
 			physical address is ignored.
 
@@ -3533,6 +3596,13 @@
 			[NFS] set the TCP port on which the NFSv4 callback
 			channel should listen.
 
+	nfs.delay_retrans=
+			[NFS] specifies the number of times the NFSv4 client
+			retries the request before returning an EAGAIN error,
+			after a reply of NFS4ERR_DELAY from the server.
+			Only applies if the softerr mount option is enabled,
+			and the specified value is >= 0.
+
 	nfs.enable_ino64=
 			[NFS] enable 64-bit inode numbers.
 			If zero, the NFS client will fake up a 32-bit inode
@@ -4769,6 +4839,13 @@
 			Set maximum number of finished RCU callbacks to
 			process in one batch.
 
+	rcutree.do_rcu_barrier=	[KNL]
+			Request a call to rcu_barrier().  This is
+			throttled so that userspace tests can safely
+			hammer on the sysfs variable if they so choose.
+			If triggered before the RCU grace-period machinery
+			is fully active, this will error out with EAGAIN.
+
 	rcutree.dump_tree=	[KNL]
 			Dump the structure of the rcu_node combining tree
 			out at early boot.  This is used for diagnostic
@@ -5225,6 +5302,12 @@
 			Dump ftrace buffer after reporting RCU CPU
 			stall warning.
 
+	rcupdate.rcu_cpu_stall_notifiers= [KNL]
+			Provide RCU CPU stall notifiers, but see the
+			warnings in the RCU_CPU_STALL_NOTIFIER Kconfig
+			option's help text.  TL;DR:  You almost certainly
+			do not want rcupdate.rcu_cpu_stall_notifiers.
+
 	rcupdate.rcu_cpu_stall_suppress= [KNL]
 			Suppress RCU CPU stall warning messages.
 
@@ -5422,6 +5505,12 @@
 			test until boot completes in order to avoid
 			interference.
 
+	refscale.lookup_instances= [KNL]
+			Number of data elements to use for the forms of
+			SLAB_TYPESAFE_BY_RCU testing.  A negative number
+			is negated and multiplied by nr_cpu_ids, while
+			zero specifies nr_cpu_ids.
+
 	refscale.loops= [KNL]
 			Set the number of loops over the synchronization
 			primitive under test.  Increasing this number
@@ -5611,9 +5700,10 @@
 	s390_iommu=	[HW,S390]
 			Set s390 IOTLB flushing mode
 		strict
-			With strict flushing every unmap operation will result in
-			an IOTLB flush. Default is lazy flushing before reuse,
-			which is faster.
+			With strict flushing every unmap operation will result
+			in an IOTLB flush. Default is lazy flushing before
+			reuse, which is faster. Deprecated, equivalent to
+			iommu.strict=1.
 
 	s390_iommu_aperture=	[KNL,S390]
 			Specifies the size of the per device DMA address space