Merge commit 'v3.17' into next

1 files changed, 52 insertions, 6 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 802a3fd9e485..4fb49e0d2501 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -571,6 +571,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			trust validation.
 			format: { id:<keyid> | builtin }
 
+	cca=		[MIPS] Override the kernel pages' cache coherency
+			algorithm.  Accepted values range from 0 to 7
+			inclusive. See arch/mips/include/asm/pgtable-bits.h
+			for platform specific values (SB1, Loongson3 and
+			others).
+
 	ccw_timeout_log [S390]
 			See Documentation/s390/CommonIO for details.
 
@@ -1102,6 +1108,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			that can be changed at run time by the
 			set_graph_function file in the debugfs tracing directory.
 
+	ftrace_graph_notrace=[function-list]
+			[FTRACE] Do not trace from the functions specified in
+			function-list.  This list is a comma separated list of
+			functions that can be changed at run time by the
+			set_graph_notrace file in the debugfs tracing directory.
+
 	gamecon.map[2|3]=
 			[HW,JOY] Multisystem joystick and NES/SNES/PSX pad
 			support via parallel port (up to 5 devices per port)
@@ -1438,10 +1450,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	ip=		[IP_PNP]
 			See Documentation/filesystems/nfs/nfsroot.txt.
 
-	ip2=		[HW] Set IO/IRQ pairs for up to 4 IntelliPort boards
-			See comment before ip2_setup() in
-			drivers/char/ip2/ip2base.c.
-
 	irqfixup	[HW]
 			When an interrupt is not handled search all handlers
 			for it. Intended to get systems with badly broken
@@ -1714,8 +1722,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			7 (KERN_DEBUG)		debug-level messages
 
 	log_buf_len=n[KMG]	Sets the size of the printk ring buffer,
-			in bytes.  n must be a power of two.  The default
-			size is set in the kernel config file.
+			in bytes.  n must be a power of two and greater
+			than the minimal size. The minimal size is defined
+			by LOG_BUF_SHIFT kernel config parameter. There is
+			also CONFIG_LOG_CPU_MAX_BUF_SHIFT config parameter
+			that allows to increase the default size depending on
+			the number of CPUs. See init/Kconfig for more details.
 
 	logo.nologo	[FB] Disables display of the built-in Linux logo.
 			This may be used to provide more screen space for
@@ -2188,6 +2200,21 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			and restore using xsave. The kernel will fallback to
 			enabling legacy floating-point and sse state.
 
+	noxsaveopt	[X86] Disables xsaveopt used in saving x86 extended
+			register states. The kernel will fall back to use
+			xsave to save the states. By using this parameter,
+			performance of saving the states is degraded because
+			xsave doesn't support modified optimization while
+			xsaveopt supports it on xsaveopt enabled systems.
+
+	noxsaves	[X86] Disables xsaves and xrstors used in saving and
+			restoring x86 extended register state in compacted
+			form of xsave area. The kernel will fall back to use
+			xsaveopt and xrstor to save and restore the states
+			in standard form of xsave area. By using this
+			parameter, xsave area per process might occupy more
+			memory on xsaves enabled systems.
+
 	eagerfpu=	[X86]
 			on	enable eager fpu restore
 			off	disable eager fpu restore
@@ -2829,6 +2856,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			quiescent states.  Units are jiffies, minimum
 			value is one, and maximum value is HZ.
 
+	rcutree.rcu_nocb_leader_stride= [KNL]
+			Set the number of NOCB kthread groups, which
+			defaults to the square root of the number of
+			CPUs.  Larger numbers reduces the wakeup overhead
+			on the per-CPU grace-period kthreads, but increases
+			that same overhead on each group's leader.
+
 	rcutree.qhimark= [KNL]
 			Set threshold of queued RCU callbacks beyond which
 			batch limiting is disabled.
@@ -3045,6 +3079,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	S		[KNL] Run init in single mode
 
+	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.
+
 	sa1100ir	[NET]
 			See drivers/net/irda/sa1100_ir.c.
 
@@ -3500,6 +3541,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 					bogus residue values);
 				s = SINGLE_LUN (the device has only one
 					Logical Unit);
+				u = IGNORE_UAS (don't bind to the uas driver);
 				w = NO_WP_DETECT (don't test whether the
 					medium is write-protected).
 			Example: quirks=0419:aaf5:rl,0421:0433:rc
@@ -3719,6 +3761,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			Disables the ticketlock slowpath using Xen PV
 			optimizations.
 
+	xen_nopv	[X86]
+			Disables the PV optimizations forcing the HVM guest to
+			run as generic HVM guest with no PV drivers.
+
 	xirc2ps_cs=	[NET,PCMCIA]
 			Format:
 			<irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]