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Author SHA1 Message Date
Akinobu Mita
1356aae083 blk-mq: avoid setting hctx->tags->cpumask before allocation 
When unmapped hw queue is remapped after CPU topology is changed,
hctx->tags->cpumask has to be set after hctx->tags is setup in
blk_mq_map_swqueue(), otherwise it causes null pointer dereference.

Fixes: f26cdc8536 ("blk-mq: Shared tag enhancements")
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
 2015-09-29 11:32:43 -06:00
Daniel Lezcano
bdf7344e14 clocksource/drivers/keystone: Fix bad NO_IRQ usage 
The current code assumes the 'irq_of_parse_and_map' will return NO_IRQ in case
of failure. Unfortunately, the NO_IRQ is not consistent across the different
architectures and we must not rely on it.

NO_IRQ is equal to '-1' on ARM and 'irq_of_parse_and_map' returns '0' in case
of an error. Hence, the latter won't be detected and will lead to a crash.

Fix this by just checking 'irq' is different from zero.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
 2015-09-29 14:33:51 +02:00
Daniel Lezcano
ccc42592d4 clocksource/drivers/rockchip: Fix bad NO_IRQ usage 
The current code assumes the 'irq_of_parse_and_map' will return NO_IRQ in case
of failure. Unfortunately, the NO_IRQ is not consistent across the different
architectures and we must not rely on it.

NO_IRQ is equal to '-1' on ARM and 'irq_of_parse_and_map' returns '0' in case
of an error. Hence, the latter won't be detected and will lead to a crash.

Fix this by just checking 'irq' is different from zero.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
 2015-09-29 14:33:34 +02:00
shengyong
7c7feb2ebf UBI: return ENOSPC if no enough space available 
UBI: attaching mtd1 to ubi0
UBI: scanning is finished
UBI error: init_volumes: not enough PEBs, required 706, available 686
UBI error: ubi_wl_init: no enough physical eraseblocks (-20, need 1)
UBI error: ubi_attach_mtd_dev: failed to attach mtd1, error -12 <= NOT ENOMEM
UBI error: ubi_init: cannot attach mtd1

If available PEBs are not enough when initializing volumes, return -ENOSPC
directly. If available PEBs are not enough when initializing WL, return
-ENOSPC instead of -ENOMEM.

Cc: stable@vger.kernel.org
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: David Gstir <david@sigma-star.at>
 2015-09-29 12:47:05 +02:00
Richard Weinberger
281fda2767 UBI: Validate data_size 
Make sure that data_size is less than LEB size.
Otherwise a handcrafted UBI image is able to trigger
an out of bounds memory access in ubi_compare_lebs().

Cc: stable@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: David Gstir <david@sigma-star.at>
 2015-09-29 12:47:04 +02:00
Richard Weinberger
cf6f54e3f1 UBIFS: Kill unneeded locking in ubifs_init_security 
Fixes the following lockdep splat:
[    1.244527] =============================================
[    1.245193] [ INFO: possible recursive locking detected ]
[    1.245193] 4.2.0-rc1+ #37 Not tainted
[    1.245193] ---------------------------------------------
[    1.245193] cp/742 is trying to acquire lock:
[    1.245193]  (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [<ffffffff812b3f69>] ubifs_init_security+0x29/0xb0
[    1.245193]
[    1.245193] but task is already holding lock:
[    1.245193]  (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [<ffffffff81198e7f>] path_openat+0x3af/0x1280
[    1.245193]
[    1.245193] other info that might help us debug this:
[    1.245193]  Possible unsafe locking scenario:
[    1.245193]
[    1.245193]        CPU0
[    1.245193]        ----
[    1.245193]   lock(&sb->s_type->i_mutex_key#9);
[    1.245193]   lock(&sb->s_type->i_mutex_key#9);
[    1.245193]
[    1.245193]  *** DEADLOCK ***
[    1.245193]
[    1.245193]  May be due to missing lock nesting notation
[    1.245193]
[    1.245193] 2 locks held by cp/742:
[    1.245193]  #0:  (sb_writers#5){.+.+.+}, at: [<ffffffff811ad37f>] mnt_want_write+0x1f/0x50
[    1.245193]  #1:  (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [<ffffffff81198e7f>] path_openat+0x3af/0x1280
[    1.245193]
[    1.245193] stack backtrace:
[    1.245193] CPU: 2 PID: 742 Comm: cp Not tainted 4.2.0-rc1+ #37
[    1.245193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5-0-ge51488c-20140816_022509-build35 04/01/2014
[    1.245193]  ffffffff8252d530 ffff88007b023a38 ffffffff814f6f49 ffffffff810b56c5
[    1.245193]  ffff88007c30cc80 ffff88007b023af8 ffffffff810a150d ffff88007b023a68
[    1.245193]  000000008101302a ffff880000000000 00000008f447e23f ffffffff8252d500
[    1.245193] Call Trace:
[    1.245193]  [<ffffffff814f6f49>] dump_stack+0x4c/0x65
[    1.245193]  [<ffffffff810b56c5>] ? console_unlock+0x1c5/0x510
[    1.245193]  [<ffffffff810a150d>] __lock_acquire+0x1a6d/0x1ea0
[    1.245193]  [<ffffffff8109fa78>] ? __lock_is_held+0x58/0x80
[    1.245193]  [<ffffffff810a1a93>] lock_acquire+0xd3/0x270
[    1.245193]  [<ffffffff812b3f69>] ? ubifs_init_security+0x29/0xb0
[    1.245193]  [<ffffffff814fc83b>] mutex_lock_nested+0x6b/0x3a0
[    1.245193]  [<ffffffff812b3f69>] ? ubifs_init_security+0x29/0xb0
[    1.245193]  [<ffffffff812b3f69>] ? ubifs_init_security+0x29/0xb0
[    1.245193]  [<ffffffff812b3f69>] ubifs_init_security+0x29/0xb0
[    1.245193]  [<ffffffff8128e286>] ubifs_create+0xa6/0x1f0
[    1.245193]  [<ffffffff81198e7f>] ? path_openat+0x3af/0x1280
[    1.245193]  [<ffffffff81195d15>] vfs_create+0x95/0xc0
[    1.245193]  [<ffffffff8119929c>] path_openat+0x7cc/0x1280
[    1.245193]  [<ffffffff8109ffe3>] ? __lock_acquire+0x543/0x1ea0
[    1.245193]  [<ffffffff81088f20>] ? sched_clock_cpu+0x90/0xc0
[    1.245193]  [<ffffffff81088c00>] ? calc_global_load_tick+0x60/0x90
[    1.245193]  [<ffffffff81088f20>] ? sched_clock_cpu+0x90/0xc0
[    1.245193]  [<ffffffff811a9cef>] ? __alloc_fd+0xaf/0x180
[    1.245193]  [<ffffffff8119ac55>] do_filp_open+0x75/0xd0
[    1.245193]  [<ffffffff814ffd86>] ? _raw_spin_unlock+0x26/0x40
[    1.245193]  [<ffffffff811a9cef>] ? __alloc_fd+0xaf/0x180
[    1.245193]  [<ffffffff81189bd9>] do_sys_open+0x129/0x200
[    1.245193]  [<ffffffff81189cc9>] SyS_open+0x19/0x20
[    1.245193]  [<ffffffff81500717>] entry_SYSCALL_64_fastpath+0x12/0x6f

While the lockdep splat is a false positive, becuase path_openat holds i_mutex
of the parent directory and ubifs_init_security() tries to acquire i_mutex
of a new inode, it reveals that taking i_mutex in ubifs_init_security() is
in vain because it is only being called in the inode allocation path
and therefore nobody else can see the inode yet.

Cc: stable@vger.kernel.org # 3.20-
Reported-and-tested-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-and-tested-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: dedekind1@gmail.com
 2015-09-29 12:45:42 +02:00
Robert Jarzmik
fd546ee6a7 mmc: pxamci: fix card detect with slot-gpio API 
Move pxamci to mmc slot-gpio API to fix interrupt request.

It fixes the case where the card detection is on a gpio expander, on I2C
for example on zylonite board. In this case, the card detect netsted
interrupt is called from a threaded interrupt. The request_irq() fails,
because a hard irq cannot be a nested interrupt from a threaded
interrupt (set __setup_irq()).

This was tested on zylonite and mioa701 boards.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Petr Cvek <petr.cvek@tul.cz>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2015-09-29 12:17:05 +02:00
Hans de Goede
51424b2860 mmc: sunxi: Fix clk-delay settings 
In recent allwinner kernel sources the mmc clk-delay settings have been
slightly tweaked, and for sun9i they are completely different then what
we are using.

This commit brings us in sync with what allwinner does, fixing problems
accessing sdcards on some A33 devices (and likely others).

For pre sun9i hardware this makes the following changes:
-At 400Khz change the sample delay from 7 to 0 (introduced in A31 sdk)
-At 50 Mhz change the sample delay from 5 to 4 (introduced in A23 sdk)

This also drops the clk-delay calculation for clocks > 50 MHz, we do
not need this as we've: mmc->f_max = 50000000, and the delays in the
old code were not correct (at 100 MHz the delay must be a multiple of 60,
at 200 MHz a multiple of 120).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2015-09-29 12:17:04 +02:00
Ulf Hansson
43934ece2e mmc: core: Don't return an error for CD/WP GPIOs when GPIOLIB is unset 
When CONFIG_GPIOLIB is unset, its stubs will return -ENOSYS. That means
when the mmc core parses DT for CD/WP GPIOs via mmc_of_parse(), -ENOSYS
becomes propagated to the caller. Typically this means that the mmc host
driver fails to probe.

As the CD/WP GPIOs are already treated as optional, let's extend that to
cover the case when CONFIG_GPIOLIB is unset.

Reported-by: Michal Simek <michal.simek@xilinx.com>
Fixes: 16b23787fc ("mmc: sdhci-of-arasan: Call OF parsing for MMC")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Venu Byravarasu <vbyravarasu@nvidia.com>
 2015-09-29 12:17:03 +02:00
James Morris
0266715155 Merge tag 'keys-fixes-20150925' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into for-linus 
Keyrings fixes from David Howells, for current Linus.
 2015-09-29 19:19:09 +10:00
Denys Vlasenko
2103d6b818 net: sctp: Don't use 64 kilobyte lookup table for four elements 
Seemingly innocuous sctp_trans_state_to_prio_map[] array
is way bigger than it looks, since
"[SCTP_UNKNOWN] = 2" expands into "[0xffff] = 2" !

This patch replaces it with switch() statement.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: Vlad Yasevich <vyasevich@gmail.com>
CC: Neil Horman <nhorman@tuxdriver.com>
CC: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
CC: linux-sctp@vger.kernel.org
CC: netdev@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 22:52:21 -07:00
Alexander Couzens
06a15f51cf l2tp: protect tunnel->del_work by ref_count 
There is a small chance that tunnel_free() is called before tunnel->del_work scheduled
resulting in a zero pointer dereference.

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Acked-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 22:39:10 -07:00
Ivan Mikhaylov
661dfc65f7 net/ibm/emac: bump version numbers for correct work with ethtool 
The size of the MAC register dump used to be the size specified by the
reg property in the device tree.  Userland has no good way of finding
out that size, and it was not specified consistently for each MAC type,
so ethtool would end up printing junk at the end of the register dump
if the device tree didn't match the size it assumed.

Using the new version numbers indicates unambiguously that the size of
the MAC register dump is dependent only on the MAC type.

Fixes: 5369c71f7c ("net/ibm/emac: fix size of emac dump memory areas")
Signed-off-by: Ivan Mikhaylov <ivan@ru.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 22:22:50 -07:00
David S. Miller
51359bfc5b Merge branch 'sctp-accept-deadlock' 
Karl Heiss says:

====================
sctp: Fix SCTP deadlock

These patches fix a deadlock during accept() of an SCTP connection.

The first patch fixes whitespace issues.

The second patch actually fixes the deadlock race.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 21:03:40 -07:00
Karl Heiss
635682a144 sctp: Prevent soft lockup when sctp_accept() is called during a timeout event 
A case can occur when sctp_accept() is called by the user during
a heartbeat timeout event after the 4-way handshake.  Since
sctp_assoc_migrate() changes both assoc->base.sk and assoc->ep, the
bh_sock_lock in sctp_generate_heartbeat_event() will be taken with
the listening socket but released with the new association socket.
The result is a deadlock on any future attempts to take the listening
socket lock.

Note that this race can occur with other SCTP timeouts that take
the bh_lock_sock() in the event sctp_accept() is called.

 BUG: soft lockup - CPU#9 stuck for 67s! [swapper:0]
 ...
 RIP: 0010:[<ffffffff8152d48e>]  [<ffffffff8152d48e>] _spin_lock+0x1e/0x30
 RSP: 0018:ffff880028323b20  EFLAGS: 00000206
 RAX: 0000000000000002 RBX: ffff880028323b20 RCX: 0000000000000000
 RDX: 0000000000000000 RSI: ffff880028323be0 RDI: ffff8804632c4b48
 RBP: ffffffff8100bb93 R08: 0000000000000000 R09: 0000000000000000
 R10: ffff880610662280 R11: 0000000000000100 R12: ffff880028323aa0
 R13: ffff8804383c3880 R14: ffff880028323a90 R15: ffffffff81534225
 FS:  0000000000000000(0000) GS:ffff880028320000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
 CR2: 00000000006df528 CR3: 0000000001a85000 CR4: 00000000000006e0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
 Process swapper (pid: 0, threadinfo ffff880616b70000, task ffff880616b6cab0)
 Stack:
 ffff880028323c40 ffffffffa01c2582 ffff880614cfb020 0000000000000000
 <d> 0100000000000000 00000014383a6c44 ffff8804383c3880 ffff880614e93c00
 <d> ffff880614e93c00 0000000000000000 ffff8804632c4b00 ffff8804383c38b8
 Call Trace:
 <IRQ>
 [<ffffffffa01c2582>] ? sctp_rcv+0x492/0xa10 [sctp]
 [<ffffffff8148c559>] ? nf_iterate+0x69/0xb0
 [<ffffffff814974a0>] ? ip_local_deliver_finish+0x0/0x2d0
 [<ffffffff8148c716>] ? nf_hook_slow+0x76/0x120
 [<ffffffff814974a0>] ? ip_local_deliver_finish+0x0/0x2d0
 [<ffffffff8149757d>] ? ip_local_deliver_finish+0xdd/0x2d0
 [<ffffffff81497808>] ? ip_local_deliver+0x98/0xa0
 [<ffffffff81496ccd>] ? ip_rcv_finish+0x12d/0x440
 [<ffffffff81497255>] ? ip_rcv+0x275/0x350
 [<ffffffff8145cfeb>] ? __netif_receive_skb+0x4ab/0x750
 ...

With lockdep debugging:

 =====================================
 [ BUG: bad unlock balance detected! ]
 -------------------------------------
 CslRx/12087 is trying to release lock (slock-AF_INET) at:
 [<ffffffffa01bcae0>] sctp_generate_timeout_event+0x40/0xe0 [sctp]
 but there are no more locks to release!

 other info that might help us debug this:
 2 locks held by CslRx/12087:
 #0:  (&asoc->timers[i]){+.-...}, at: [<ffffffff8108ce1f>] run_timer_softirq+0x16f/0x3e0
 #1:  (slock-AF_INET){+.-...}, at: [<ffffffffa01bcac3>] sctp_generate_timeout_event+0x23/0xe0 [sctp]

Ensure the socket taken is also the same one that is released by
saving a copy of the socket before entering the timeout event
critical section.

Signed-off-by: Karl Heiss <kheiss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 21:03:40 -07:00
Karl Heiss
f05940e618 sctp: Whitespace fix 
Fix indentation in sctp_generate_heartbeat_event.

Signed-off-by: Karl Heiss <kheiss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 21:03:40 -07:00
Mitch Williams
43ae93a93e i40e/i40evf: check for stopped admin queue 
It's possible that while we are waiting for the spinlock, another
entity (that owns the spinlock) has shut down the admin queue.
If we then attempt to use the queue, we will panic.

Add a check for this condition on the receive side. This matches
an existing check on the send queue side.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 20:57:14 -07:00
Jesse Brandeburg
c4bbac3913 i40e: fix VLAN inside VXLAN 
Previously to this patch, the hardware was removing
VLAN tags from the inner header of VXLAN packets.  The
hardware configuration can be changed to leave the
packet alone since that is what the linux stack
expects for this type of VLAN in VXLAN packet.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-09-28 20:56:58 -07:00
duson
22ef28b43f Input: elan_i2c - add all valid ic type for i2c/smbus 
Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-28 17:18:54 -07:00
Andrew Morton
d3b367bc26 Input: zhenhua - ensure we have BITREVERSE 
It uses bitrev8(), so it must ensure that lib/bitrev.o gets included in
vmlinux.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-28 16:42:34 -07:00
Sudip Mukherjee
b83b14598f Input: omap4-keypad - fix memory leak 
If omap4_keypad_parse_dt() fails we returned the error code but we
missed releasing keypad_data.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-28 16:41:07 -07:00
Sudip Mukherjee
2260c419b5 Input: db9 - use parallel port device model 
Modify db9 driver to use the new Parallel Port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Tested-By: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-28 16:12:17 -07:00
Sudip Mukherjee
d79bdc7f00 Input: omap4-keypad - fix memory leak 
If omap4_keypad_parse_dt() fails we returned the error code but we
missed releasing keypad_data.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-28 16:05:45 -07:00
Linus Torvalds
3225031fbe Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 
Pull arch/tile bugfix from Chris Metcalf:
 "This fixes a bug in 'make allmodconfig'"

* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: fix build failure
 2015-09-28 12:27:18 -04:00
Sudip Mukherjee
3a48d13d76 tile: fix build failure 
When building with allmodconfig the build was failing with the error:

arch/tile/kernel/usb.c:70:1: warning: data definition has no type or storage class [enabled by default]
arch/tile/kernel/usb.c:70:1: error: type defaults to 'int' in declaration of 'arch_initcall' [-Werror=implicit-int]
arch/tile/kernel/usb.c:70:1: warning: parameter names (without types) in function declaration [enabled by default]
arch/tile/kernel/usb.c:63:19: warning: 'tilegx_usb_init' defined but not used [-Wunused-function]

Include linux/module.h to resolve the build failure.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
 2015-09-28 11:23:39 -04:00
Michel Thierry
dfc53c5e73 drm/i915: Consider HW CSB write pointer before resetting the sw read pointer 
A previous commit resets the Context Status Buffer (CSB) read pointer in
ring init
    commit c0a03a2e4c ("drm/i915: Reset CSB read pointer in ring init")

This is generally correct, but this pointer is not reset after
suspend/resume in some platforms (cht). In this case, the driver should
read the register value instead of resetting the sw read counter to 0.
Otherwise we process old events, leading to unwanted pre-emptions or
something worse.

But in other platforms (bdw) and also during GPU reset or power up, the
CSBWP is reset to 0x7 (an invalid number), and in this case the read
pointer should be set to 5 (the interrupt code will increment this
counter one more time, and will start reading from CSB[0]).

v2: When the CSB registers are reset, the read pointer needs to be set
to 5, otherwise the first write (CSB[0]) won't be read (Mika).
Replace magic numbers with GEN8_CSB_ENTRIES (6) and GEN8_CSB_PTR_MASK
(0x07).

Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Lei Shen <lei.shen@intel.com>
Signed-off-by: Deepak S <deepak.s@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2015-09-28 17:23:19 +03:00
Radim Krčmář
9bac175d8e Revert "KVM: x86: zero kvmclock_offset when vcpu0 initializes kvmclock system MSR" 
Shifting pvclock_vcpu_time_info.system_time on write to KVM system time
MSR is a change of ABI.  Probably only 2.6.16 based SLES 10 breaks due
to its custom enhancements to kvmclock, but KVM never declared the MSR
only for one-shot initialization.  (Doc says that only one write is
needed.)

This reverts commit b7e60c5aed.
And adds a note to the definition of PVCLOCK_COUNTS_FROM_ZERO.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2015-09-28 13:06:37 +02:00
Guenter Roeck
3cef072d3b watchdog: iTCO: Fix dependencies on I2C 
If I2C is built as module, the iTCO watchdog driver must be built as module
as well. I2C_I801 must only be selected if I2C is configured.

This fixes the following build errors, seen if I2C=m and ITCO_WDT=y.

i2c-i801.c:(.text+0x2bf055): undefined reference to `i2c_del_adapter'
i2c-i801.c:(.text+0x2c13e0): undefined reference to `i2c_add_adapter'
i2c-i801.c:(.text+0x2c17bd): undefined reference to `i2c_new_device'

Fixes: 2a7a0e9bf7 ("watchdog: iTCO_wdt: Add support for TCO on Intel Sunrisepoint")
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2015-09-28 10:56:10 +02:00
Noralf Trønnes
898e6861ff watchdog: bcm2835: Fix poweroff behaviour 
Currently poweroff/halt results in a reboot on the Raspberry Pi.
The firmware uses the RSTS register to know which partiton to
boot from. The partiton value is spread into bits
0, 2, 4, 6, 8, 10. Partiton 63 is a special partition used by
the firmware to indicate halt.

The firmware made this change in 19 Aug 2013 and was matched
by the downstream commit:
Changes for new NOOBS multi partition booting from gsh

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2015-09-28 10:56:05 +02:00
Luis de Bethencourt
c73318f43d watchdog: Fix module autoload for OF platform driver 
These platform drivers have a OF device ID table but the OF module
alias information is not created so module autoloading won't work.

Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2015-09-28 10:56:01 +02:00
Rodrigo Vivi
bc5f2ab11c drm/i915/skl: Don't call intel_prepare_ddi when encoder list isn't yet initialized. 
In case something goes wrong with power well initialization we were calling
intel_prepare_ddi during boot while encoder list isnt't initilized.

[    9.618747] i915 0000:00:02.0: Invalid ROM contents
[    9.631446] [drm] failed to find VBIOS tables
[    9.720036] BUG: unable to handle kernel NULL pointer dereference at 00000000
00000058
[    9.721986] IP: [<ffffffffa014eb72>] ddi_get_encoder_port+0x82/0x190 [i915]
[    9.723736] PGD 0
[    9.724286] Oops: 0000 [#1] PREEMPT SMP
[    9.725386] Modules linked in: intel_powerclamp snd_hda_intel(+) coretemp crc
32c_intel snd_hda_codec snd_hda_core serio_raw snd_pcm snd_timer i915(+) parport
_pc parport pinctrl_sunrisepoint pinctrl_intel nfsd nfs_acl
[    9.730635] CPU: 0 PID: 497 Comm: systemd-udevd Not tainted 4.3.0-rc2-eywa-10
967-g72de2cfd-dirty #2
[    9.732785] Hardware name: Intel Corporation Cannonlake Client platform/Skyla
ke DT DDR4 RVP8, BIOS CNLSE2R1.R00.X021.B00.1508040310 08/04/2015
[    9.735785] task: ffff88008a704700 ti: ffff88016a1ac000 task.ti: ffff88016a1a
c000
[    9.737584] RIP: 0010:[<ffffffffa014eb72>]  [<ffffffffa014eb72>] ddi_get_enco
der_port+0x82/0x190 [i915]
[    9.739934] RSP: 0000:ffff88016a1af710  EFLAGS: 00010296
[    9.741184] RAX: 000000000000004e RBX: ffff88008a9edc98 RCX: 0000000000000001
[    9.742934] RDX: 000000000000004e RSI: ffffffff81fc1e82 RDI: 00000000ffffffff
[    9.744634] RBP: ffff88016a1af730 R08: 0000000000000000 R09: 0000000000000578
[    9.746333] R10: 0000000000001065 R11: 0000000000000578 R12: fffffffffffffff8
[    9.748033] R13: ffff88016a1af7a8 R14: ffff88016a1af794 R15: 0000000000000000
[    9.749733] FS:  00007eff2e1e07c0(0000) GS:ffff88016fc00000(0000) knlGS:00000
00000000000
[    9.751683] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.753083] CR2: 0000000000000058 CR3: 000000016922b000 CR4: 00000000003406f0
[    9.754782] Stack:
[    9.755332]  ffff88008a9edc98 ffff88008a9ed800 ffffffffa01d07b0 00000000fffb9
09e
[    9.757232]  ffff88016a1af7d8 ffffffffa0154ea7 0000000000000246 ffff88016a370
080
[    9.759182]  ffff88016a370080 ffff88008a9ed800 0000000000000246 ffff88008a9ed
c98
[    9.761132] Call Trace:
[    9.761782]  [<ffffffffa0154ea7>] intel_prepare_ddi+0x67/0x860 [i915]
[    9.763332]  [<ffffffff81a56996>] ? _raw_spin_unlock_irqrestore+0x26/0x40
[    9.765031]  [<ffffffffa00fad01>] ? gen9_read32+0x141/0x360 [i915]
[    9.766531]  [<ffffffffa00b43e1>] skl_set_power_well+0x431/0xa80 [i915]
[    9.768181]  [<ffffffffa00b4a63>] skl_power_well_enable+0x13/0x20 [i915]
[    9.769781]  [<ffffffffa00b2188>] intel_power_well_enable+0x28/0x50 [i915]
[    9.771481]  [<ffffffffa00b4d52>] intel_display_power_get+0x92/0xc0 [i915]
[    9.773180]  [<ffffffffa00b4fcb>] intel_display_set_init_power+0x3b/0x40 [i91
5]
[    9.774980]  [<ffffffffa00b5170>] intel_power_domains_init_hw+0x120/0x520 [i9
15]
[    9.776780]  [<ffffffffa0194c61>] i915_driver_load+0xb21/0xf40 [i915]

So let's protect this case.

My first attempt was to remove the intel_prepare_ddi, but Daniel had pointed out
this is really needed to restore those registers values. And Imre pointed out
that this case was without the flag protection and this was actually where things
were going bad. So I've just checked and this indeed solves my issue.

The regressing intel_prepare_ddi call was added in

commit 1d2b9526a7
Author: Damien Lespiau <damien.lespiau@intel.com>
Date:   Fri Mar 6 18:50:53 2015 +0000

    drm/i915/skl: Restore the DDI translation tables when enabling PW1

Cc: Imre Deak <imre.deak@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[Jani: regression reference]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2015-09-28 11:05:13 +03:00
Geert Uytterhoeven
95bc06ef04 m68k/defconfig: Update defconfigs for v4.3-rc1 
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
 2015-09-28 10:01:09 +02:00
Andreas Schwab
8474ba7419 m68k: Define asmlinkage_protect 
Make sure the compiler does not modify arguments of syscall functions.
This can happen if the compiler generates a tailcall to another
function.  For example, without asmlinkage_protect sys_openat is compiled
into this function:

sys_openat:
	clr.l %d0
	move.w 18(%sp),%d0
	move.l %d0,16(%sp)
	jbra do_sys_open

Note how the fourth argument is modified in place, modifying the register
%d4 that gets restored from this stack slot when the function returns to
user-space.  The caller may expect the register to be unmodified across
system calls.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
 2015-09-28 09:59:45 +02:00
Geert Uytterhoeven
7f843dab13 m68k: Wire up membarrier 
$ ./membarrier_test
membarrier MEMBARRIER_CMD_QUERY syscall available.
membarrier: MEMBARRIER_CMD_SHARED success.
membarrier: tests done!
$

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
 2015-09-28 09:59:44 +02:00
Geert Uytterhoeven
b92858f2be m68k: Wire up userfaultfd 
$ ./userfaultfd 10 99
nr_pages: 2560, nr_pages_per_cpu: 2560
bounces: 98, mode: racing, userfaults: 1121
bounces: 97, mode: rnd, userfaults: 977
bounces: 96, mode:, userfaults: 1119
bounces: 95, mode: rnd racing ver poll, userfaults: 1040
bounces: 94, mode: racing ver poll, userfaults: 1022
bounces: 93, mode: rnd ver poll, userfaults: 946
bounces: 92, mode: ver poll, userfaults: 1115
bounces: 91, mode: rnd racing poll, userfaults: 977
bounces: 90, mode: racing poll, userfaults: 899
bounces: 89, mode: rnd poll, userfaults: 881
bounces: 88, mode: poll, userfaults: 1069
bounces: 87, mode: rnd racing ver, userfaults: 1114
bounces: 86, mode: racing ver, userfaults: 1109
bounces: 85, mode: rnd ver, userfaults: 1165
bounces: 84, mode: ver, userfaults: 1107
bounces: 83, mode: rnd racing, userfaults: 1134
bounces: 82, mode: racing, userfaults: 1105
bounces: 81, mode: rnd, userfaults: 1323
bounces: 80, mode:, userfaults: 1103
bounces: 79, mode: rnd racing ver poll, userfaults: 909
bounces: 78, mode: racing ver poll, userfaults: 1095
bounces: 77, mode: rnd ver poll, userfaults: 951
bounces: 76, mode: ver poll, userfaults: 1099
bounces: 75, mode: rnd racing poll, userfaults: 1035
bounces: 74, mode: racing poll, userfaults: 1097
bounces: 73, mode: rnd poll, userfaults: 1159
bounces: 72, mode: poll, userfaults: 1042
bounces: 71, mode: rnd racing ver, userfaults: 848
bounces: 70, mode: racing ver, userfaults: 1093
bounces: 69, mode: rnd ver, userfaults: 892
bounces: 68, mode: ver, userfaults: 1091
bounces: 67, mode: rnd racing, userfaults: 1219
bounces: 66, mode: racing, userfaults: 1089
bounces: 65, mode: rnd, userfaults: 988
bounces: 64, mode:, userfaults: 1087
bounces: 63, mode: rnd racing ver poll, userfaults: 882
bounces: 62, mode: racing ver poll, userfaults: 984
bounces: 61, mode: rnd ver poll, userfaults: 701
bounces: 60, mode: ver poll, userfaults: 1071
bounces: 59, mode: rnd racing poll, userfaults: 1137
bounces: 58, mode: racing poll, userfaults: 1032
bounces: 57, mode: rnd poll, userfaults: 911
bounces: 56, mode: poll, userfaults: 1079
bounces: 55, mode: rnd racing ver, userfaults: 1106
bounces: 54, mode: racing ver, userfaults: 1077
bounces: 53, mode: rnd ver, userfaults: 886
bounces: 52, mode: ver, userfaults: 1075
bounces: 51, mode: rnd racing, userfaults: 1101
bounces: 50, mode: racing, userfaults: 1073
bounces: 49, mode: rnd, userfaults: 1070
bounces: 48, mode:, userfaults: 1071
bounces: 47, mode: rnd racing ver poll, userfaults: 1077
bounces: 46, mode: racing ver poll, userfaults: 910
bounces: 45, mode: rnd ver poll, userfaults: 1063
bounces: 44, mode: ver poll, userfaults: 1028
bounces: 43, mode: rnd racing poll, userfaults: 1043
bounces: 42, mode: racing poll, userfaults: 1065
bounces: 41, mode: rnd poll, userfaults: 912
bounces: 40, mode: poll, userfaults: 1063
bounces: 39, mode: rnd racing ver, userfaults: 880
bounces: 38, mode: racing ver, userfaults: 1061
bounces: 37, mode: rnd ver, userfaults: 1144
bounces: 36, mode: ver, userfaults: 1059
bounces: 35, mode: rnd racing, userfaults: 967
bounces: 34, mode: racing, userfaults: 1057
bounces: 33, mode: rnd, userfaults: 1076
bounces: 32, mode:, userfaults: 1055
bounces: 31, mode: rnd racing ver poll, userfaults: 997
bounces: 30, mode: racing ver poll, userfaults: 1053
bounces: 29, mode: rnd ver poll, userfaults: 968
bounces: 28, mode: ver poll, userfaults: 978
bounces: 27, mode: rnd racing poll, userfaults: 1008
bounces: 26, mode: racing poll, userfaults: 1049
bounces: 25, mode: rnd poll, userfaults: 900
bounces: 24, mode: poll, userfaults: 1047
bounces: 23, mode: rnd racing ver, userfaults: 988
bounces: 22, mode: racing ver, userfaults: 1045
bounces: 21, mode: rnd ver, userfaults: 1027
bounces: 20, mode: ver, userfaults: 1043
bounces: 19, mode: rnd racing, userfaults: 1017
bounces: 18, mode: racing, userfaults: 1041
bounces: 17, mode: rnd, userfaults: 979
bounces: 16, mode:, userfaults: 1039
bounces: 15, mode: rnd racing ver poll, userfaults: 1134
bounces: 14, mode: racing ver poll, userfaults: 1037
bounces: 13, mode: rnd ver poll, userfaults: 1046
bounces: 12, mode: ver poll, userfaults: 1035
bounces: 11, mode: rnd racing poll, userfaults: 1060
bounces: 10, mode: racing poll, userfaults: 1033
bounces: 9, mode: rnd poll, userfaults: 1003
bounces: 8, mode: poll, userfaults: 929
bounces: 7, mode: rnd racing ver, userfaults: 964
bounces: 6, mode: racing ver, userfaults: 1029
bounces: 5, mode: rnd ver, userfaults: 1053
bounces: 4, mode: ver, userfaults: 1027
bounces: 3, mode: rnd racing, userfaults: 863
bounces: 2, mode: racing, userfaults: 1025
bounces: 1, mode: rnd, userfaults: 1043
bounces: 0, mode:, userfaults: 950

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
 2015-09-28 09:59:44 +02:00
Geert Uytterhoeven
5b3f33eb40 m68k: Wire up direct socket calls 
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
 2015-09-28 09:59:43 +02:00
Ingo Molnar
7c4f1c694b Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/urgent 
Pull RCU fixes from Paul E. McKenney, for two regressions
introduced in this merge window:

  - Fix bug with recent GCCs.
  - Fix false positive lockdep splat.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2015-09-28 08:03:52 +02:00
Dmitry Torokhov
09bb431951 ARM: dts: set up trigger type for edt-ft5x06 interrupts 
Now that the driver respects IRQ trigger settings from device tree, let's
fix them up in individual DTSes (note that the driver is still compatible
with older DTSes).

Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:34:01 -07:00
Dmitry Torokhov
f0bef75c59 Input: edt-ft5x06 - do not hardcode interrupt trigger type 
Instead of hardcoding IRQ trigger type to IRQF_TRIGGER_FALLING, let's
respect settings specified in device tree. To be compatible with older
DTSes, if trigger type is not set up in DTS we'll set it to default
(falling edge).

Tested-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:34:00 -07:00
Dmitry Torokhov
2e23b7a963 Input: edt-ft5x06 - use generic properties API 
Instead of only parsing device tree properties let's switch to using
generic properties API so that the driver can also work on other platforms.

Tested-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:34:00 -07:00
Dmitry Torokhov
22ddbacc4b Input: edt-ft5x06 - remove support for platform data 
We do not have any users of platform data in the tree and all newer
platforms are either DT or ACPI, so let's drop handling of platform data.

Tested-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:33:59 -07:00
Dmitry Torokhov
079128eba8 Input: edt-ft5x06 - drop parsing of irq gpio 
The driver does not use irq gpio as gpio, but rather relies on I2C core or
board code to set up client's structure IRQ line, so let's stop trying to
locate the resource and parse it.

Tested-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:33:59 -07:00
Franklin S Cooper Jr
13c23cd18b Input: edt-ft5x06 - switch to newer gpio framework 
The current/old gpio framework used doesn't properly listen to
ACTIVE_LOW and ACTIVE_HIGH flags. The newer gpio framework takes into
account these flags when setting gpio values.

Since the values being output were based on voltage and not logic they
change to reflect this difference. Also use gpiod_set_value_cansleep since
wake and reset pins can be provided by bus based io expanders.

Switch from msleep(5) to udelay_range(5000,6000) to avoid check patch
warning.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:33:58 -07:00
Sudip Mukherjee
1a5e251996 Input: serio - fix blocking of parport 
If parkbd_allocate_serio() fails to allocate memory we are releasing the
parport but we missed unregistering the device. As a result this device
with exclusive access to that parport remains registered. And no other
device will be able to use that parport even though this driver has
failed to load.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-09-27 17:32:34 -07:00
Linus Torvalds
097f70b3c4 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 
Pull MIPS fixes from Ralf Baechle:
 - Properly setup irq handling for ATH79 platforms
 - Fix bootmem mapstart calculation for contiguous maps
 - Handle little endian and older CPUs correct in BPF
 - Fix console for Fulong 2E systems
 - Handle FTLB correctly on R6 CPUs
 - Fixes for CM, GIC and MAAR support code

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Initialise MAARs on secondary CPUs
  MIPS: print MAAR configuration during boot
  MIPS: mm: compile maar_init unconditionally
  irqchip: mips-gic: Fix pending & mask reads for MIPS64 with 32b GIC.
  irqchip: mips-gic: Convert CPU numbers to VP IDs.
  MIPS: CM: Provide a function to map from CPU to VP ID.
  MIPS: Fix FTLB detection for R6
  MIPS: cpu-features: Add cpu_has_ftlb
  MIPS: ATH79: Add irq chip ar7240-misc-intc
  MIPS: ATH79: Set missing irq ack handler for ar7100-misc-intc irq chip
  MIPS: BPF: Fix build on pre-R2 little endian CPUs
  MIPS: BPF: Avoid unreachable code on little endian
  MIPS: bootmem: Fix mapstart calculation for contiguous maps
  MIPS: Fix console output for Fulong2e system
 2015-09-27 18:22:34 -04:00
Linus Torvalds
e3be4266d3 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull perf fixes from Thomas Gleixner:
 "Another pile of fixes for perf:

   - Plug overflows and races in the core code

   - Sanitize the flow of the perf syscall so we error out before
     handling the more complex and hard to undo setups

   - Improve and fix Broadwell and Skylake hardware support

   - Revert a fix which broke what it tried to fix in perf tools

   - A couple of smaller fixes in various places of perf tools"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools: Fix copying of /proc/kcore
  perf intel-pt: Remove no_force_psb from documentation
  perf probe: Use existing routine to look for a kernel module by dso->short_name
  perf/x86: Change test_aperfmperf() and test_intel() to static
  tools lib traceevent: Fix string handling in heterogeneous arch environments
  perf record: Avoid infinite loop at buildid processing with no samples
  perf: Fix races in computing the header sizes
  perf: Fix u16 overflows
  perf: Restructure perf syscall point of no return
  perf/x86/intel: Fix Skylake FRONTEND MSR extrareg mask
  perf/x86/intel/pebs: Add PEBS frontend profiling for Skylake
  perf/x86/intel: Make the CYCLE_ACTIVITY.* constraint on Broadwell more specific
  perf tools: Bool functions shouldn't return -1
  tools build: Add test for presence of __get_cpuid() gcc builtin
  tools build: Add test for presence of numa_num_possible_cpus() in libnuma
  Revert "perf symbols: Fix mismatched declarations for elf_getphdrnum"
  perf stat: Fix per-pkg event reporting bug
 2015-09-27 12:51:39 -04:00
Linus Torvalds
73f479b243 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler fix from Thomas Gleixner:
 "A single bug fix for the scheduler to prevent dequeueing of the idle
  task when setting the cpus allowed mask"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix crash trying to dequeue/enqueue the idle thread
 2015-09-27 12:50:27 -04:00
Linus Torvalds
fc11a9c5da Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull locking fix from Thomas Gleixner:
 "A single bugfix for lockdep to preserve the pinning counter when
  rebuilding the lock stack"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/lockdep: Fix hlock->pin_count reset on lock stack rebuilds
 2015-09-27 12:47:20 -04:00
Rafael J. Wysocki
a9062dcec3 Merge branch 'turbostat' of https://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux into pm-tools 
Pull turbostat updates for v4.3 from Len Brown.

* 'turbostat' of https://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbosat: update version number
  tools/power turbostat: SKL: Adjust for TSC difference from base frequency
  tools/power turbostat: KNL workaround for %Busy and Avg_MHz
  tools/power turbostat: IVB Xeon: fix --debug regression
 2015-09-27 15:25:22 +02:00
Rafael J. Wysocki
e9a7bed40c Merge branch 'cpuidle' of https://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux into pm-cpuidle 
Pull an intel_idle update for v4.3 from Len Brown.

* 'cpuidle' of https://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  intel_idle: Skylake Client Support - updated
 2015-09-27 15:24:27 +02:00