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Commit 2dbf78bc authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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Merge 4.9.172 into android-4.9 



Changes in 4.9.172
	kbuild: simplify ld-option implementation
	cifs: do not attempt cifs operation on smb2+ rename error
	tracing: Fix a memory leak by early error exit in trace_pid_write()
	MIPS: scall64-o32: Fix indirect syscall number load
	trace: Fix preempt_enable_no_resched() abuse
	IB/rdmavt: Fix frwr memory registration
	sched/numa: Fix a possible divide-by-zero
	ceph: ensure d_name stability in ceph_dentry_hash()
	ceph: fix ci->i_head_snapc leak
	nfsd: Don't release the callback slot unless it was actually held
	sunrpc: don't mark uninitialised items as VALID.
	Input: synaptics-rmi4 - write config register values to the right offset
	dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
	ARM: 8857/1: efi: enable CP15 DMB instructions before cleaning the cache
	drm/vc4: Fix memory leak during gpu reset.
	drm/vc4: Fix compilation error reported by kbuild test bot
	USB: Add new USB LPM helpers
	USB: Consolidate LPM checks to avoid enabling LPM twice
	vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock
	tipc: handle the err returned from cmd header function
	slip: make slhc_free() silently accept an error pointer
	intel_th: gth: Fix an off-by-one in output unassigning
	fs/proc/proc_sysctl.c: Fix a NULL pointer dereference
	NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family.
	netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
	fm10k: Fix a potential NULL pointer dereference
	tipc: check bearer name with right length in tipc_nl_compat_bearer_enable
	tipc: check link name with right length in tipc_nl_compat_link_set
	Revert "block/loop: Use global lock for ioctl() operation."
	ipv4: add sanity checks in ipv4_link_failure()
	mlxsw: spectrum: Fix autoneg status in ethtool
	net/mlx5e: ethtool, Remove unsupported SFP EEPROM high pages query
	net: rds: exchange of 8K and 1M pool
	team: fix possible recursive locking when add slaves
	net: stmmac: move stmmac_check_ether_addr() to driver probe
	ipv4: set the tcp_min_rtt_wlen range from 0 to one day
	ipv6: frags: fix a lockdep false positive
	net: IP defrag: encapsulate rbtree defrag code into callable functions
	ipv6: remove dependency of nf_defrag_ipv6 on ipv6 module
	net: IP6 defrag: use rbtrees for IPv6 defrag
	net: IP6 defrag: use rbtrees in nf_conntrack_reasm.c
	powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg
	Documentation: Add nospectre_v1 parameter
	Linux 4.9.172

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parents 3383326b 5383785a

Documentation/kernel-parameters.txt

+5 −1
Original line number Diff line number Diff line
@@ -2770,6 +2770,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 


	nohugeiomap	[KNL,x86] Disable kernel huge I/O mappings.



	nospectre_v1	[PPC] Disable mitigations for Spectre Variant 1 (bounds

			check bypass). With this option data leaks are possible

			in the system.



	nosmt		[KNL,S390] Disable symmetric multithreading (SMT).

			Equivalent to smt=1.
@@ -2777,7 +2781,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
			nosmt=force: Force disable SMT, cannot be undone

				     via the sysfs control file.



	nospectre_v2	[X86] Disable all mitigations for the Spectre variant 2

	nospectre_v2	[X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2

			(indirect branch prediction) vulnerability. System may

			allow data leaks with this option, which is equivalent

			to spectre_v2=off.

Documentation/networking/ip-sysctl.txt

+1 −0
Original line number Diff line number Diff line
@@ -405,6 +405,7 @@ tcp_min_rtt_wlen - INTEGER 
	minimum RTT when it is moved to a longer path (e.g., due to traffic

	engineering). A longer window makes the filter more resistant to RTT

	inflations such as transient congestion. The unit is seconds.

	Possible values: 0 - 86400 (1 day)

	Default: 300



tcp_moderate_rcvbuf - BOOLEAN

Makefile

+1 −1
Original line number Diff line number Diff line 
VERSION = 4

PATCHLEVEL = 9

SUBLEVEL = 171

SUBLEVEL = 172

EXTRAVERSION =

NAME = Roaring Lionus

arch/arm/boot/compressed/head.S

+15 −1
Original line number Diff line number Diff line
@@ -1385,7 +1385,21 @@ ENTRY(efi_stub_entry) 


		@ Preserve return value of efi_entry() in r4

		mov	r4, r0

		bl	cache_clean_flush



		@ our cache maintenance code relies on CP15 barrier instructions

		@ but since we arrived here with the MMU and caches configured

		@ by UEFI, we must check that the CP15BEN bit is set in SCTLR.

		@ Note that this bit is RAO/WI on v6 and earlier, so the ISB in

		@ the enable path will be executed on v7+ only.

		mrc	p15, 0, r1, c1, c0, 0	@ read SCTLR

		tst	r1, #(1 << 5)		@ CP15BEN bit set?

		bne	0f

		orr	r1, r1, #(1 << 5)	@ CP15 barrier instructions

		mcr	p15, 0, r1, c1, c0, 0	@ write SCTLR

 ARM(		.inst	0xf57ff06f		@ v7+ isb	)

 THUMB(		isb						)



0:		bl	cache_clean_flush

		bl	cache_off



		@ Set parameters for booting zImage according to boot protocol

arch/mips/kernel/scall64-o32.S

+1 −1
Original line number Diff line number Diff line
@@ -125,7 +125,7 @@ trace_a_syscall: 
	subu	t1, v0,  __NR_O32_Linux

	move	a1, v0

	bnez	t1, 1f /* __NR_syscall at offset 0 */

	lw	a1, PT_R4(sp) /* Arg1 for __NR_syscall case */

	ld	a1, PT_R4(sp) /* Arg1 for __NR_syscall case */

	.set	pop



1:	jal	syscall_trace_enter