| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
Pull EDAC updates from Mauro Carvalho Chehab.
* 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
sb_edac: add support for Haswell based systems
sb_edac: Fix mix tab/spaces alignments
edac: add DDR4 and RDDR4
sb_edac: remove bogus assumption on mc ordering
sb_edac: make minimal use of channel_mask
sb_edac: fix socket detection on Ivy Bridge controllers
sb_edac: update Kconfig description
sb_edac: search devices using product id
sb_edac: make RIR limit retrieval per model
sb_edac: make node id retrieval per model
sb_edac: make memory type detection per memory controller
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Haswell memory controllers are very similar to Ivy Bridge and Sandy Bridge
ones. This patch adds support to Haswell based systems.
[m.chehab@samsung.com: Fix CodingStyle issues]
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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We should not have spaces before ^I on alignments.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Haswell memory controller can make use of DDR4 and Registered DDR4
Cc: tony.luck@intel.com
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When a MC is handled, the correct sbridge_dev is searched based on the node,
checking again later with the assumption the first memory controller found is
the first socket's memory controller is a bogus assumption. Get rid of it.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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channel_mask will be used in the future to determine which group of memory
modules is causing the errors since when mirroring, lockstep and close page
are enabled you can't. While that doesn't happen, use the channel_mask to
determine the channel instead of relying on the MC event/exception.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch fixes the obvious bug while handling the socket/HA bitmask used in
Ivy Bridge memory controllers.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Kconfig wasn't updated when Ivy Bridge support was added.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch changes the way devices are searched by using product id instead of
device/function numbers. Tested in a Sandy Bridge and a Ivy Bridge machine to
make sure everything works properly.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Haswell has a different way to retrieve RIR limits, make this procedure per
model.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Haswell has a different way to retrieve the node id, make so this procedure
can be reimplemented.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Haswell has different register, offset to determine memory type and supports
DDR4 in some models. This patch makes it easier to have a different method
depending on the memory controller type.
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI and power management updates from Rafael Wysocki:
"These are a couple of regression fixes, cpuidle menu governor
optimizations, fixes for ACPI proccessor and battery drivers,
hibernation fix to avoid problems related to the e820 memory map,
fixes for a few cpufreq drivers and a new version of the suspend
profiling tool analyze_suspend.py.
Specifics:
- Fix for an ACPI-based device hotplug regression introduced in 3.14
that causes a kernel panic to trigger when memory hot-remove is
attempted with CONFIG_ACPI_HOTPLUG_MEMORY unset from Tang Chen
- Fix for a cpufreq regression introduced in 3.16 that triggers a
"sleeping function called from invalid context" bug in
dev_pm_opp_init_cpufreq_table() from Stephen Boyd
- ACPI battery driver fix for a warning message added in 3.16 that
prints silly stuff sometimes from Mariusz Ceier
- Hibernation fix for safer handling of mismatches in the 820 memory
map between the configurations during image creation and during the
subsequent restore from Chun-Yi Lee
- ACPI processor driver fix to handle CPU hotplug notifications
correctly during system suspend/resume from Lan Tianyu
- Series of four cpuidle menu governor cleanups that also should
speed it up a bit from Mel Gorman
- Fixes for the speedstep-smi, integrator, cpu0 and arm_big_little
cpufreq drivers from Hans Wennborg, Himangi Saraogi, Markus
Pargmann and Uwe Kleine-König
- Version 3.0 of the analyze_suspend.py suspend profiling tool from
Todd E Brandt"
* tag 'pm+acpi-3.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / battery: Fix warning message in acpi_battery_get_state()
PM / tools: analyze_suspend.py: update to v3.0
cpufreq: arm_big_little: fix module license spec
cpufreq: speedstep-smi: fix decimal printf specifiers
ACPI / hotplug: Check scan handlers in acpi_scan_hot_remove()
cpufreq: OPP: Avoid sleeping while atomic
cpufreq: cpu0: Do not print error message when deferring
cpufreq: integrator: Use set_cpus_allowed_ptr
PM / hibernate: avoid unsafe pages in e820 reserved regions
ACPI / processor: Make acpi_cpu_soft_notify() process CPU FROZEN events
cpuidle: menu: Lookup CPU runqueues less
cpuidle: menu: Call nr_iowait_cpu less times
cpuidle: menu: Use ktime_to_us instead of reinventing the wheel
cpuidle: menu: Use shifts when calculating averages where possible
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* pm-sleep:
PM / hibernate: avoid unsafe pages in e820 reserved regions
* pm-cpufreq:
cpufreq: arm_big_little: fix module license spec
cpufreq: speedstep-smi: fix decimal printf specifiers
cpufreq: OPP: Avoid sleeping while atomic
cpufreq: cpu0: Do not print error message when deferring
cpufreq: integrator: Use set_cpus_allowed_ptr
* pm-cpuidle:
cpuidle: menu: Lookup CPU runqueues less
cpuidle: menu: Call nr_iowait_cpu less times
cpuidle: menu: Use ktime_to_us instead of reinventing the wheel
cpuidle: menu: Use shifts when calculating averages where possible
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The menu governer makes separate lookups of the CPU runqueue to get
load and number of IO waiters but it can be done with a single lookup.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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menu_select() via inline functions calls nr_iowait_cpu() twice as much
as necessary.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ktime_to_us implementation is slightly better than the one implemented
in menu.c. Use it
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We use do_div even though the divisor will usually be a power-of-two
unless there are unusual outliers. Use shifts where possible
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Having no license specification in a module taints the kernel during load
with:
arm_big_little: module license 'unspecified' taints kernel.
and also the linker doesn't allow it to make use of GPL-exported symbols
which in this case also results in errors like:
arm_big_little: Unknown symbol cpufreq_register_driver (err 0)
. The header of the driver specifies a GPL v2 license, so note that
accordingly. While at it also add a description and an author and fix
the license in a companion file to explicit v2.
Reported-by: Andreas Schwab <schwab@suse.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The prefix suggests the number should be printed in hex, so use
the %x specifier to do that. Also, these are 32-bit values,
so drop the l characters.
Signed-off-by: Hans Wennborg <hans@hanshq.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We allocate the cpufreq table after calling rcu_read_lock(),
which disables preemption. This causes scheduling while atomic
warnings. Use GFP_ATOMIC instead of GFP_KERNEL and update for
kcalloc while we're here.
BUG: sleeping function called from invalid context at mm/slub.c:1246
in_atomic(): 0, irqs_disabled(): 0, pid: 80, name: modprobe
5 locks held by modprobe/80:
#0: (&dev->mutex){......}, at: [<c050d484>] __driver_attach+0x48/0x98
#1: (&dev->mutex){......}, at: [<c050d494>] __driver_attach+0x58/0x98
#2: (subsys mutex#5){+.+.+.}, at: [<c050c114>] subsys_interface_register+0x38/0xc8
#3: (cpufreq_rwsem){.+.+.+}, at: [<c05a9c8c>] __cpufreq_add_dev.isra.22+0x84/0x92c
#4: (rcu_read_lock){......}, at: [<c05ab24c>] dev_pm_opp_init_cpufreq_table+0x18/0x10c
Preemption disabled at:[< (null)>] (null)
CPU: 2 PID: 80 Comm: modprobe Not tainted 3.16.0-rc3-next-20140701-00035-g286857f216aa-dirty #217
[<c0214da8>] (unwind_backtrace) from [<c02123f8>] (show_stack+0x10/0x14)
[<c02123f8>] (show_stack) from [<c070141c>] (dump_stack+0x70/0xbc)
[<c070141c>] (dump_stack) from [<c02f4cb0>] (__kmalloc+0x124/0x250)
[<c02f4cb0>] (__kmalloc) from [<c05ab270>] (dev_pm_opp_init_cpufreq_table+0x3c/0x10c)
[<c05ab270>] (dev_pm_opp_init_cpufreq_table) from [<bf000508>] (cpufreq_init+0x48/0x378 [cpufreq_generic])
[<bf000508>] (cpufreq_init [cpufreq_generic]) from [<c05a9e08>] (__cpufreq_add_dev.isra.22+0x200/0x92c)
[<c05a9e08>] (__cpufreq_add_dev.isra.22) from [<c050c160>] (subsys_interface_register+0x84/0xc8)
[<c050c160>] (subsys_interface_register) from [<c05a9494>] (cpufreq_register_driver+0x108/0x2d8)
[<c05a9494>] (cpufreq_register_driver) from [<bf000888>] (generic_cpufreq_probe+0x50/0x74 [cpufreq_generic])
[<bf000888>] (generic_cpufreq_probe [cpufreq_generic]) from [<c050e994>] (platform_drv_probe+0x18/0x48)
[<c050e994>] (platform_drv_probe) from [<c050d1f4>] (driver_probe_device+0x128/0x370)
[<c050d1f4>] (driver_probe_device) from [<c050d4d0>] (__driver_attach+0x94/0x98)
[<c050d4d0>] (__driver_attach) from [<c050b778>] (bus_for_each_dev+0x54/0x88)
[<c050b778>] (bus_for_each_dev) from [<c050c894>] (bus_add_driver+0xe8/0x204)
[<c050c894>] (bus_add_driver) from [<c050dd48>] (driver_register+0x78/0xf4)
[<c050dd48>] (driver_register) from [<c0208870>] (do_one_initcall+0xac/0x1d8)
[<c0208870>] (do_one_initcall) from [<c028b6b4>] (load_module+0x190c/0x21e8)
[<c028b6b4>] (load_module) from [<c028c034>] (SyS_init_module+0xa4/0x110)
[<c028c034>] (SyS_init_module) from [<c020f0c0>] (ret_fast_syscall+0x0/0x48)
Fixes: a0dd7b79657b (PM / OPP: Move cpufreq specific OPP functions out of generic OPP library)
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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-EPROBE_DEFER is no real error. We are just waiting unti the necessary
components are ready. The driver core infrastructure will also print an
appropriate info message.
This patch changes the error message to a debug message.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Several years ago there was an effort to convert all uses of
set_cpus_allowed to use set_cpus_allowed_ptr with the goal of eventually
removing the current definition of set_cpus_allowed and renaming
set_cpus_allowed_ptr as set_cpus_allowed
(https://lkml.org/lkml/2010/3/26/59). This is another step in this
direction.
The Coccinelle semantic patch that makes this change is as follows:
// <smpl>
@@
expression E1,E2;
@@
- set_cpus_allowed(E1, cpumask_of_cpu(E2))
+ set_cpus_allowed_ptr(E1, cpumask_of(E2))
@@
expression E;
identifier I;
@@
- set_cpus_allowed(E, I)
+ set_cpus_allowed_ptr(E, &I)
// </smpl>
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-processor:
ACPI / processor: Make acpi_cpu_soft_notify() process CPU FROZEN events
* acpi-hotplug:
ACPI / hotplug: Check scan handlers in acpi_scan_hot_remove()
* acpi-battery:
ACPI / battery: Fix warning message in acpi_battery_get_state()
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capacity_now should be assigned after comparing it to design_capacity.
Otherwise warning is printed even when capacity_now before assignment is
equal to design_capacity, making the check useless and "current charge level"
wrong (it should be higher than, not equal to, "maximum charge level", which
is full_charge_capacity):
"battery: reported current charge level (56410) is higher than reported
maximum charge level (56410)."
Fixes: 232de5143790 (ACPI / battery: fix wrong value of capacity_now reported when fully charged)
Signed-off-by: Mariusz Ceier <mceier+kernel@gmail.com>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
[rjw: Subject]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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When ACPI_HOTPLUG_MEMORY is not configured, memory_device_handler.attach
is not set. In acpi_scan_attach_handler(), the acpi_device->handler will
not be initialized.
In acpi_scan_hot_remove(), it doesn't check if acpi_device->handler is NULL.
If we do memory hot-remove without ACPI_HOTPLUG_MEMORY configured, the kernel
will panic.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000088
IP: [<ffffffff813e318f>] acpi_device_hotplug+0x1d7/0x4c4
PGD 0
Oops: 0000 [#1] SMP
Modules linked in: sd_mod(E) sr_mod(E) cdrom(E) crc_t10dif(E) crct10dif_common(E) ata_piix(E) libata(E)
CPU: 0 PID: 41 Comm: kworker/u2:1 Tainted: G E 3.16.0-rc7--3.16-rc7-tangchen+ #20
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5-0-ge51488c-20140602_164612-nilsson.home.kraxel.org 04/01/2014
Workqueue: kacpi_hotplug acpi_hotplug_work_fn
task: ffff8800182436c0 ti: ffff880018254000 task.ti: ffff880018254000
RIP: 0010:[<ffffffff813e318f>] [<ffffffff813e318f>] acpi_device_hotplug+0x1d7/0x4c4
RSP: 0000:ffff880018257da8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88001cd8d800 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88001e40e6f8 RDI: 0000000000000246
RBP: ffff880018257df0 R08: 0000000000000096 R09: 00000000000011a0
R10: 63735f6970636120 R11: 725f746f685f6e61 R12: 0000000000000003
R13: ffff88001cc1c400 R14: ffff88001e062028 R15: 0000000000000040
FS: 0000000000000000(0000) GS:ffff88001e400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000088 CR3: 000000001a9a2000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
Stack:
00000000523cab58 ffff88001cd8d9f8 ffff88001852d480 00000000523cab58
ffff88001852d480 ffff880018221e40 ffff88001cc1c400 ffff88001cce2d00
0000000000000040 ffff880018257e08 ffffffff813dc31d ffff88001852d480
Call Trace:
[<ffffffff813dc31d>] acpi_hotplug_work_fn+0x1e/0x29
[<ffffffff8108eefb>] process_one_work+0x17b/0x460
[<ffffffff8108f69d>] worker_thread+0x11d/0x5b0
[<ffffffff8108f580>] ? rescuer_thread+0x3a0/0x3a0
[<ffffffff81096811>] kthread+0xe1/0x100
[<ffffffff81096730>] ? kthread_create_on_node+0x1a0/0x1a0
[<ffffffff816cc6bc>] ret_from_fork+0x7c/0xb0
[<ffffffff81096730>] ? kthread_create_on_node+0x1a0/0x1a0
This patch fixes this problem by checking if acpi_device->handler is NULL
in acpi_scan_hot_remove().
Fixes: d22ddcbc4fb7 (ACPI / hotplug: Add demand_offline hotplug profile flag)
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
[rjw: Subject]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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CPU hotplug happens during S2RAM and CPU notify event will be CPU_XXX_FROZEN.
acpi_cpu_soft_notify() ignores to check these events. This also may make
acpi_cpu_soft_notify() fall into sleep during CPU_DYING/STARTING_FROZEN
events which don't allow callbacks to sleep. This patch is to fix it.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull DEFINE_PCI_DEVICE_TABLE removal from Bjorn Helgaas:
"Part two of the PCI changes for v3.17:
- Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)
It's a mechanical change that removes uses of the
DEFINE_PCI_DEVICE_TABLE macro. I waited until later in the merge
window to reduce conflicts, but it's possible you'll still see a few"
* tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
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We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines. This issue was reported by checkpatch.
A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@
- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;
// </smpl>
[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Pull networking fixes from David Miller:
"I'm sending this out, in particular, to get the iwlwifi fix
propagated:
1) Fix build due to missing include in i40e driver, from Lucas
Tanure.
2) Memory leak in openvswitch port allocation, from Chirstoph Jaeger.
3) Check DMA mapping errors in myri10ge, from Stanislaw Gruszka.
4) Fix various deadlock scenerios in sunvnet driver, from Sowmini
Varadhan.
5) Fix cxgb4i build failures with incompatible Kconfig settings of
the driver vs ipv6, from Anish Bhatt.
6) Fix generation of ACK packet timestamps in the presence of TSO
which will be split up, from Willem de Bruijn.
7) Don't enable sched scan in iwlwifi driver, it causes firmware
crashes in some revisions. From Emmanuel Grumbach.
8) Revert a macvlan simplification that causes crashes.
9) Handle RTT calculations properly in the presence of repair'd SKBs,
from Andrey Vagin.
10) SIT tunnel lookup uses wrong device index in compares, from
Shmulik Ladkani.
11) Handle MTU reductions in TCP properly for ipv4 mapped ipv6
sockets, from Neal Cardwell.
12) Add missing annotations in rhashtable code, from Thomas Graf.
13) Fix false interpretation of two RTOs as being from the same TCP
loss event in the FRTO code, from Neal Cardwell"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (42 commits)
netlink: Annotate RCU locking for seq_file walker
rhashtable: fix annotations for rht_for_each_entry_rcu()
rhashtable: unexport and make rht_obj() static
rhashtable: RCU annotations for next pointers
tcp: fix ssthresh and undo for consecutive short FRTO episodes
tcp: don't allow syn packets without timestamps to pass tcp_tw_recycle logic
tcp: fix tcp_release_cb() to dispatch via address family for mtu_reduced()
sit: Fix ipip6_tunnel_lookup device matching criteria
net: ethernet: ibm: ehea: Remove duplicate object from Makefile
net: xgene: Check negative return value of xgene_enet_get_ring_size()
tcp: don't use timestamp from repaired skb-s to calculate RTT (v2)
net: xilinx: Remove .owner field for driver
Revert "macvlan: simplify the structure port"
iwlwifi: mvm: disable scheduled scan to prevent firmware crash
xen-netback: remove loop waiting function
xen-netback: don't stop dealloc kthread too early
xen-netback: move NAPI add/remove calls
xen-netback: fix debugfs entry creation
xen-netback: fix debugfs write length check
net-timestamp: fix missing tcp fragmentation cases
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
pull request: wireless 2014-08-14
Please pull this batch of fixes intended for the 3.17 stream...
Arend van Spriel brings two brcmfmac fixes, one which fixes a memory
leak and one which corrects some merge damage.
Emmanuel Grumbach fixes Linus's iwlwifi firmware-related log spam.
Rickard Strandqvist does some proper NULL termination after a call
to strncpy.
Ronald Wahl corrects a carl9170 problem with sending URBs with the
wrong endpoint type (resulting in log spam).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are firmwares which don't support scheduled scan.
Disable it for now.
Linus's system encoutered this issue.
Thanks to David Spinadel for his help.
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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strncpy call
Added a guaranteed null-terminate after call to strncpy.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The kbuild robot came up with the following warning:
tree: .../kernel/git/linville/wireless-next.git master
head: dc6be9f54a4ecb0a09765d1f515ed947d86b7528
commit: 9a1bb60250d2b6b546a62e5b73f55c4f1d22016b
[5/13] brcmfmac: Adding msgbuf protocol.
coccinelle warnings:
drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c:1309:1-28:
alloc with no test, possible model on line 1318
Looking into the issue, it turned out that the referred allocation
buffer was not being released in failure path nor upon module
unload.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Running coccicheck on brcm80211 drivers resulted in following report:
$ make coccicheck MODE=report M=drivers/net/wireless/brcm80211
drivers/net/wireless/brcm80211/brcmfmac/pcie.c:595:2-43:
code aligned with following code on line 596
It revealed that due to a merge failure a block statement lost its
curly braces where it should not.
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The driver assumes that endpoint 4 is always an interrupt endpoint.
Unfortunately the type differs between high-speed and full-speed
configurations while in the former case it is indeed an interrupt
endpoint this is not true for the latter case - here it is a bulk
endpoint. When sending URBs with the wrong type the kernel will
generate a warning message including backtrace. In this specific
case there will be a huge amount of warnings which can bring the system
to freeze.
To fix this we are now sending URBs to endpoint 4 using the type
found in the endpoint descriptor.
A side note: The carl9170 firmware currently specifies endpoint 4 as
interrupt endpoint even in the full-speed configuration but this has
no relevance because before this firmware is loaded the endpoint type
is as described above and after the firmware is running the stick is not
reenumerated and so the old descriptor is used.
Signed-off-by: Ronald Wahl <ronald.wahl@raritan.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In the Makefile, ehea_phyp.o is included twice in the list of
object files compile into ehea.o.
This change removes one instance.
Signed-off-by: Andreas Ruprecht <rupran@einserver.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xgene_enet_get_ring_size() returns a negative value in case of an error,
but its only caller in xgene_enet_create_desc_ring() currently uses the
return value directly as u32. Instead, check for a negative value first and
error out in case. Also move the call to xgene_enet_get_ring_size() before
devm_kzalloc() so we don't need to free anything in the error path.
This fixes the following issue reported by the Coverity Scanner:
** CID 1231336: Improper use of negative value (NEGATIVE_RETURNS)
/drivers/net/ethernet/apm/xgene/xgene_enet_main.c: 596 in xgene_enet_create_desc_ring()
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to init .owner field.
Based on the patch from Peter Griffin <peter.griffin@linaro.org>
"mmc: remove .owner field for drivers using module_platform_driver"
This patch removes the superflous .owner field for drivers which
use the module_platform_driver API, as this is overriden in
platform_driver_register anyway."
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit a188a54d11629bef2169052297e61f3767ca8ce5.
It causes crashes
====================
[ 80.643286] BUG: unable to handle kernel NULL pointer dereference at 0000000000000878
[ 80.670103] IP: [<ffffffff810832e4>] try_to_grab_pending+0x64/0x1f0
[ 80.691289] PGD 22c102067 PUD 235bf0067 PMD 0
[ 80.706611] Oops: 0002 [#1] SMP
[ 80.717836] Modules linked in: macvlan nfsd lockd nfs_acl exportfs auth_rpcgss sunrpc oid_registry ioatdma ixgbe(-) mdio igb dca
[ 80.757935] CPU: 37 PID: 6724 Comm: rmmod Not tainted 3.16.0-net-next-08-12-2014-FCoE+ #1
[ 80.785688] Hardware name: Intel Corporation S2600CO/S2600CO, BIOS SE5C600.86B.02.03.0003.041920141333 04/19/2014
[ 80.820310] task: ffff880235a9eae0 ti: ffff88022e844000 task.ti: ffff88022e844000
[ 80.845770] RIP: 0010:[<ffffffff810832e4>] [<ffffffff810832e4>] try_to_grab_pending+0x64/0x1f0
[ 80.875326] RSP: 0018:ffff88022e847b28 EFLAGS: 00010046
[ 80.893251] RAX: 0000000000037a6a RBX: 0000000000000878 RCX: 0000000000000000
[ 80.917187] RDX: ffff880235a9eae0 RSI: 0000000000000001 RDI: ffffffff810832db
[ 80.941125] RBP: ffff88022e847b58 R08: 0000000000000000 R09: 0000000000000000
[ 80.965056] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88022e847b70
[ 80.988994] R13: 0000000000000000 R14: ffff88022e847be8 R15: ffffffff81ebe440
[ 81.012929] FS: 00007fab90b07700(0000) GS:ffff88043f7a0000(0000) knlGS:0000000000000000
[ 81.040400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 81.059757] CR2: 0000000000000878 CR3: 0000000235a42000 CR4: 00000000001407e0
[ 81.083689] Stack:
[ 81.090739] ffff880235a9eae0 0000000000000878 ffff88022e847b70 0000000000000000
[ 81.116253] ffff88022e847be8 ffffffff81ebe440 ffff88022e847b98 ffffffff810847f1
[ 81.141766] ffff88022e847b78 0000000000000286 ffff880234200000 0000000000000000
[ 81.167282] Call Trace:
[ 81.175768] [<ffffffff810847f1>] __cancel_work_timer+0x31/0x170
[ 81.195985] [<ffffffff8108494b>] cancel_work_sync+0xb/0x10
[ 81.214769] [<ffffffffa015ae68>] macvlan_port_destroy+0x28/0x60 [macvlan]
[ 81.237844] [<ffffffffa015b930>] macvlan_uninit+0x40/0x50 [macvlan]
[ 81.259209] [<ffffffff816bf6e2>] rollback_registered_many+0x1a2/0x2c0
[ 81.281140] [<ffffffff816bf81a>] unregister_netdevice_many+0x1a/0xb0
[ 81.302786] [<ffffffffa015a4ff>] macvlan_device_event+0x1ef/0x240 [macvlan]
[ 81.326439] [<ffffffff8108a13d>] notifier_call_chain+0x4d/0x70
[ 81.346366] [<ffffffff8108a201>] raw_notifier_call_chain+0x11/0x20
[ 81.367439] [<ffffffff816bf25b>] call_netdevice_notifiers_info+0x3b/0x70
[ 81.390228] [<ffffffff816bf2a1>] call_netdevice_notifiers+0x11/0x20
[ 81.411587] [<ffffffff816bf6bd>] rollback_registered_many+0x17d/0x2c0
[ 81.433518] [<ffffffff816bf925>] unregister_netdevice_queue+0x75/0x110
[ 81.455735] [<ffffffff816bfb2b>] unregister_netdev+0x1b/0x30
[ 81.475094] [<ffffffffa0039b50>] ixgbe_remove+0x170/0x1d0 [ixgbe]
[ 81.495886] [<ffffffff813512a2>] pci_device_remove+0x32/0x60
[ 81.515246] [<ffffffff814c75c4>] __device_release_driver+0x64/0xd0
[ 81.536321] [<ffffffff814c76f8>] driver_detach+0xc8/0xd0
[ 81.554530] [<ffffffff814c656e>] bus_remove_driver+0x4e/0xa0
[ 81.573888] [<ffffffff814c828b>] driver_unregister+0x2b/0x60
[ 81.593246] [<ffffffff8135143e>] pci_unregister_driver+0x1e/0xa0
[ 81.613749] [<ffffffffa005db18>] ixgbe_exit_module+0x1c/0x2e [ixgbe]
[ 81.635401] [<ffffffff810e738b>] SyS_delete_module+0x15b/0x1e0
[ 81.655334] [<ffffffff8187a395>] ? sysret_check+0x22/0x5d
[ 81.673833] [<ffffffff810abd2d>] ? trace_hardirqs_on_caller+0x11d/0x1e0
[ 81.696339] [<ffffffff8132bfde>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 81.717985] [<ffffffff8187a369>] system_call_fastpath+0x16/0x1b
[ 81.738199] Code: 00 48 83 3d 6e bb da 00 00 48 89 c2 0f 84 67 01 00 00 fa 66 0f 1f 44 00 00 49 89 14 24 e8 b5 4b 02 00 45 84 ed 0f 85 ac 00 00 00 <f0> 0f ba 2b 00 72 1d 31 c0 48 8b 5d d8 4c 8b 65 e0 4c 8b 6d e8
[ 81.807026] RIP [<ffffffff810832e4>] try_to_grab_pending+0x64/0x1f0
[ 81.828468] RSP <ffff88022e847b28>
[ 81.840384] CR2: 0000000000000878
[ 81.851731] ---[ end trace 9f6c7232e3464e11 ]---
====================
This bug could be triggered by these steps:
modprobe ixgbe ; modprobe macvlan
ip link add link p96p1 address 00:1B:21:6E:06:00 macvlan0 type macvlan
ip link add link p96p1 address 00:1B:21:6E:06:01 macvlan1 type macvlan
ip link add link p96p1 address 00:1B:21:6E:06:02 macvlan2 type macvlan
ip link add link p96p1 address 00:1B:21:6E:06:03 macvlan3 type macvlan
rmmod ixgbe
Reported-by: "Keller, Jacob E" <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2014-08-12
This series contains updates to i40e and e1000e.
Lucas provides a fix for i40e to resolve a compile issue where a header
was missing in the #includes.
Wei Yongjun provides a fix for i40e to resolve a sparse warning, where
a non-static function should be static.
Julia Lawall provides a fix for i40e which was found using Coccinelle,
where there was a typo in the name of the type given to sizeof().
Rickard Strandqvist provides a fix for i40e to replace the use of
strncpy() with strlcpy() to avoid strings that lack null termination.
Jean Sacren provides two e1000e fixes, first is a comment fix and second
removes an excessive space character in a debug message.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is an excessive space character between the word and the
period in the debug message. So delete it.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The macro E1000_success is meant to be E1000_SUCCESS. As the return
statement in the function is good as is, let's simply correct the
comment for this trivial matter.
Additionally E1000_ERR_HOST_INTERFACE_COMMAND is supposed to be
-E1000_ERR_HOST_INTERFACE_COMMAND.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Correct typo in the name of the type given to sizeof. Because it is the
size of a pointer that is wanted, the typo has no impact on compilation or
execution.
This problem was found using Coccinelle (http://coccinelle.lip6.fr/). The
semantic patch used can be found in message 0 of this patch series.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fixes the following sparse warnings:
drivers/net/ethernet/intel/i40e/i40e_nvm.c:254:13: warning:
symbol 'i40e_write_nvm_aq' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix missing include in Intel i40e driver. Without this include linux next
tree won't compile.
Signed-off-by: Lucas Tanure <tanure@linux.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The original implementation relies on a loop to check if all inflight
packets are freed. Now we have proper reference counting, there's no
need to use loop anymore.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reference count the number of packets in host stack, so that we don't
stop the deallocation thread too early. If not, we can end up with
xenvif_free permanently waiting for deallocation thread to unmap grefs.
Reported-by: Thomas Leonard <talex5@gmail.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Originally netif_napi_add was in xenvif_init_queue and netif_napi_del
was in xenvif_deinit_queue, while kthreads were handled in
xenvif_connect and xenvif_disconnect. Move netif_napi_add and
netif_napi_del to xenvif_connect and xenvif_disconnect so that they
reside together with kthread operations.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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