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This patch adds several defconfig options required primarily by the LTP
test suite.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The Operating Performance Point (OPP) Layer library is a generic
library used by CPUFREQ and DEVFREQ. It can be enabled only on the
platforms that specify ARCH_HAS_OPP option.
This patch selects that option in order to allow ARM64 based platforms
to use OPP library.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The value of ESR has been stored into x1, and should be directly pass to
do_sp_pc_abort function, "MOV x1, x25" is an extra operation and do_sp_pc_abort
will get the wrong value of ESR.
Signed-off-by: ChiaHao <andy.jhshiu@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
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Commit aa8532c32216ae07c3813b9aeb774517878a7573 (xen: refactor suspend
pre/post hooks) broke resuming PVHVM (auto-translated physmap) guests.
The gnttab_suspend() would clear the mapping for the grant table
frames, but the ->unmap_frames() call is only applicable to PV guests.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Remove xen_enable_nmi() to fix a 64-bit guest crash when registering
the NMI callback on Xen 3.1 and earlier.
It's not needed since the NMI callback is set by a set_trap_table
hypercall (in xen_load_idt() or xen_write_idt_entry()).
It's also broken since it only set the current VCPU's callback.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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Moreover, remove reference to the netfilter users mailing list,
so they don't receive patches.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add Serge E. Hallyn <serge@hallyn.com> as a co-maintainer of the
security subsystem, to avoid having a single point of failure
in the development process.
Signed-off-by: James Morris <james.l.morris@oracle.com>
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
couple more DP regression fixes.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/disp: fix oops in destructor with headless cards
drm/gf117/i2c: no aux channels on this chipset
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If init doesn't run then disp->outp might not be initialized, resulting
in an oops.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This update fixes few issues in bt_get() function:
- list_empty(&wait.task_list) check is not protected;
- was_empty check is always true which results in *every* thread
entering the loop resets bt_wait_state::wait_cnt counter rather
than every bt->wake_cnt'th thread;
- 'bt_wait_state::wait_cnt' counter update is redundant, since
it also gets reset in bt_clear_tag() function;
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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This piece of code in bt_clear_tag() function is racy:
bs = bt_wake_ptr(bt);
if (bs && atomic_dec_and_test(&bs->wait_cnt)) {
atomic_set(&bs->wait_cnt, bt->wake_cnt);
wake_up(&bs->wait);
}
Since nothing prevents bt_wake_ptr() from returning the very
same 'bs' address on multiple CPUs, the following scenario is
possible:
CPU1 CPU2
---- ----
0. bs = bt_wake_ptr(bt); bs = bt_wake_ptr(bt);
1. atomic_dec_and_test(&bs->wait_cnt)
2. atomic_dec_and_test(&bs->wait_cnt)
3. atomic_set(&bs->wait_cnt, bt->wake_cnt);
If the decrement in [1] yields zero then for some amount of time
the decrement in [2] results in a negative/overflow value, which
is not expected. The follow-up assignment in [3] overwrites the
invalid value with the batch value (and likely prevents the issue
from being severe) which is still incorrect and should be a lesser.
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Fix racy updates of shared blk_mq_bitmap_tags::wake_index
and blk_mq_hw_ctx::wake_index fields.
Cc: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Commit 762380ad9322 inadvertently changed a check for max_sectors
to max_hw_sectors. Revert that part, so we still compare against
max_sectors.
Signed-off-by: Jens Axboe <axboe@fb.com>
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The commit 96c50caa5148 (net: fec: Enable IP header hardware checksum)
enable HW IP header checksum for IPV4 and IPV6, which causes IPV6 TCP/UDP
cannot work. (The issue is reported by Russell King)
For FEC IP header checksum function: Insert IP header checksum. This "IINS"
bit is written by the user. If set, IP accelerator calculates the IP header
checksum and overwrites the IINS corresponding header field with the calculated
value. The checksum field must be cleared by user, otherwise the checksum
always is 0xFFFF.
So the previous patch clear IP header checksum field regardless of IP frame
type.
In fact, IP HW detect the packet as IPV6 type, even if the "IINS" bit is set,
the IP accelerator is not triggered to calculates IPV6 header checksum because
IPV6 frame format don't have checksum.
So this results in the IPV6 frame being corrupted.
The patch just add software detect the current packet type, if it is IPV6
frame, it don't clear IP header checksum field.
Cc: Russell King <linux@arm.linux.org.uk>
Reported-and-tested-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull device tree fixes from Rob Herring:
- fix microblaze compiling due to conflicting merge window changes
- a fix in of_attach_node due to of_find_node_by_path changes
- prevent format strings in DT kobject names
* tag 'dt-fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
OF: fix of_find_node_by_path() assumption that of_allnodes is root
of: avoid format string parsing in kobject names
of/platform: Fix microblaze build failure
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull randomness bugfix from Ted Ts'o:
"random: fix entropy accounting bug introduced in v3.15"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: fix nasty entropy accounting bug
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few small fixes:
- Fixes for bugs in Palmas and as3722 exposed by recent changes in
the core - the drivers weren't allowing the current configuration
to be read sometimes.
- Provide a stub for regulator_can_change_voltage() for !REGULATOR.
- Make sure ltc3589 only looks at its child nodes in the device tree
rather than searching the whole tree"
* tag 'regulator-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: ltc3589: Use of_get_child_by_name
regulator: palmas: Fix SMPS list for 0V
regulator: add regulator_can_change_voltage stub
regulator: as3722: Make 0 a valid selector
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"A single bugfix from the merge window, fixing an issue with DMA at
slow speeds on Intel hardware"
* tag 'spi-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi/pxa2xx: change default supported DMA burst size to 1
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Fixes the following build error due to a typo introduced
by commit e4ac92df27 ("serial: samsung: Neaten dbg uses"):
drivers/tty/serial/samsung.c:69:26: error: ‘buf’ undeclared (first use in this function)
Reported-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In usbtest, tests 5 - 8 use the scatter-gather library in usbcore
without any sort of timeout. If there's a problem in the gadget or
host controller being tested, the test can hang.
This patch adds a 10-second timeout to the tests, so that they will
fail gracefully with an ETIMEDOUT error instead of hanging.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Huang Rui <ray.huang@amd.com>
Tested-by: Huang Rui <ray.huang@amd.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Leandro Liptak reports that his HASEE E200 computer hangs when we ask
the BIOS to hand over control of the EHCI host controller. This
definitely sounds like a bug in the BIOS, but at the moment there is
no way to fix it.
This patch works around the problem by avoiding the handoff whenever
the motherboard and BIOS version match those of Leandro's computer.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Leandro Liptak <leandroliptak@gmail.com>
Tested-by: Leandro Liptak <leandroliptak@gmail.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 9262c19d14c4 "usb: disable port power control if not supported in
wHubCharacteristics" gated enabling runtime pm for usb_port devices on
whether the parent hub supports power control, which causes a
regression. The port must still be allowed to carry out runtime pm
callbacks and receive a -EAGAIN or -EBUSY result. Otherwise the
usb_port device will transition to the pm error state and trigger the
same for the child usb_device.
Prior to the offending commit usb_hub_create_port_device() arranged for
runtime pm to be disabled is dev_pm_qos_expose_flags() failed. Instead,
force the default state of PM_QOS_FLAG_NO_POWER_OFF flag to be set prior
to enabling runtime pm. If that policy can not be set then fail
registration.
Report: http://marc.info/?l=linux-usb&m=140290586301336&w=2
Fixes: 9262c19d14c4 ("usb: disable port power control if not supported in wHubCharacteristics")
Reported-by: Bjørn Mork <bjorn@mork.no>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In the case where platform firmware has specified conflicting values for
port locations it is confusing and otherwise not helpful to throw a
backtrace. Instead, include enough information to determine that
firmware has done something wrong and globally disable port poweroff.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading through a recent bug report [1], Alan notes:
"Dan, the warning message in hub_suspend() should mention that the
child device isn't suspended yet."
...update the warning from:
"usb usb3-port4: not suspended yet"
...to:
"usb usb3-port4: device 3-4: not suspended yet"
[1]: http://marc.info/?l=linux-usb&m=140290586301336&w=2
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xhci_stop_device() allocates and issues stop commands for each active endpoint.
This is done with spinlock held and interrupt disabled so we can't sleep during
memory allocation. Use GFP_NOWAIT instead
Regression from commit ddba5cd0aeff5bbed92ebdf4b1223300b0541e78
"xhci: Use command structures when queuing commands on the command ring"
for 3.16-rc1
Fixes: ddba5cd0aeff ("xhci: Use command structures when queuing commands")
Reported-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit d8521afe3586 "usb: assign default peer ports for root hubs"
delayed marking a hub valid (set hdev->maxchild) until it had been fully
configured and to enable the publishing of valid hubs to be serialized
by usb_port_peer_mutex.
However, xhci_update_hub_device() in some cases depends on
hdev->maxchild already being set. Do the minimal fix and move it after
the setting of hdev->maxchild.
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Tested-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We have an soc check to ensure that the scu and certain A9 specific
registers are not accessed on Exynos5250 (which is A15 based).
Rather than adding another soc specific check for 5420 let us test
for the Cortex A9 primary part number.
This resolves the below crash seen on exynos5420 during core switching
after the CPUIdle consolidation series was merged.
[ 155.975589] [<c0013174>] (scu_enable) from [<c001b0dc>] (exynos_cpu_pm_notifier+0x80/0xc4)
[ 155.983833] [<c001b0dc>] (exynos_cpu_pm_notifier) from [<c003c1b0>] (notifier_call_chain+0x44/0x84)
[ 155.992851] [<c003c1b0>] (notifier_call_chain) from [<c007a49c>] (cpu_pm_notify+0x20/0x3c)
[ 156.001089] [<c007a49c>] (cpu_pm_notify) from [<c007a564>] (cpu_pm_exit+0x20/0x38)
[ 156.008635] [<c007a564>] (cpu_pm_exit) from [<c0019e98>] (bL_switcher_thread+0x298/0x40c)
[ 156.016788] [<c0019e98>] (bL_switcher_thread) from [<c003842c>] (kthread+0xcc/0xe8)
[ 156.024426] [<c003842c>] (kthread) from [<c000e438>] (ret_from_fork+0x14/0x3c)
[ 156.031621] Code: ea017fec c0530a00 c052e3f8 c0012dcc (e5903000
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This reverts commit ddb09754e6c7239e302c7b675df9bbd415f8de5d.
Linus objected to this originally, I can see why it might be needed, but
given that no one spoke up defending this patch, I'm going to revert it.
If you have hardware that requires this change, please speak up in the
future and defend the patch.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Bin Wang <binw@marvell.com>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: Norbert Ciosek <norbertciosek@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After running:
# mount -t cgroup cpu xxx /cgroup && mkdir /cgroup/sub && \
rmdir /cgroup/sub && umount /cgroup
I found the cgroup root still existed:
# cat /proc/cgroups
#subsys_name hierarchy num_cgroups enabled
cpuset 0 1 1
cpu 1 1 1
...
It turned out css_has_online_children() is broken.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Sigend-off-by: Tejun Heo <tj@kernel.org>
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The ptp_pch driver is for a companion chip to the Intel Atom E600
series processors. These are 32-bit x86 processors so the driver is
only needed on X86_32.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Richard Cochran <richardcochran@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing firmware references, and request the correct one.
Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The filename requested by the driver didn't match what we had sitting
in /lib/firmware/
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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pci_wait_for_pending() uses word access, so we shouldn't be passing
an offset that is only byte aligned. Use the control register offset
instead, shifting the mask to match.
Fixes: d0b4cc4e3270 ("PCI: Wrong register used to check pending traffic")
Fixes: 157e876ffe0b ("PCI: Add pci_wait_for_pending() (refactor pci_wait_for_pending_transaction())
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
CC: stable@vger.kernel.org # v3.14+
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ARRAY_SIZE is more concise to use when the size of an array is divided
by the size of its type or the size of its first element.
The Coccinelle semantic patch that makes this change is as follows:
// <smpl>
@@
type T;
T[] E;
@@
- (sizeof(E)/sizeof(E[...]))
+ ARRAY_SIZE(E)
// </smpl>
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
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Files added to hostprogs-y are cleaned. (See scripts/Makefile.clean)
Adding them to clean-files is redundant.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
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Linux 3.15
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There was a mistake in the actual rounding portion this previous patch:
f0fe3cd7e12d (intel_pstate: Correct rounding in busy calculation) such that
the rounding was asymetric and incorrect.
Severity: Not very serious, but can increase target pstate by one extra value.
For real world work flows the issue should self correct (but I have no proof).
It is the equivalent of different PID gains for positive and negative numbers.
Examples:
-3.000000 used to round to -4, rounds to -3 with this patch.
-3.503906 used to round to -5, rounds to -4 with this patch.
Fixes: f0fe3cd7e12d (intel_pstate: Correct rounding in busy calculation)
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 561f0ed498ca (nfsd4: allow large readdirs) introduces a bug
about readdir the root of pseudofs.
Call xdr_truncate_encode() revert encoded name when skipping.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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If nfsd needs to recall a delegation for some reason it implies that there is
contention on the file, so further delegations should not be handed out.
The current code fails to do so, and the result is effectively a
live-lock under some workloads: a client attempting a conflicting
operation on a read-delegated file receives NFS4ERR_DELAY and retries
the operation, but by the time it retries the server may already have
given out another delegation.
We could simply avoid delegations for (say) 30 seconds after any recall, but
this is probably too heavy handed.
We could keep a list of inodes (or inode numbers or filehandles) for recalled
delegations, but that requires memory allocation and searching.
The approach taken here is to use a bloom filter to record the filehandles
which are currently blocked from delegation, and to accept the cost of a few
false positives.
We have 2 bloom filters, each of which is valid for 30 seconds. When a
delegation is recalled the filehandle is added to one filter and will remain
disabled for between 30 and 60 seconds.
We keep a count of the number of filehandles that have been added, so when
that count is zero we can bypass all other tests.
The bloom filters have 256 bits and 3 hash functions. This should allow a
couple of dozen blocked filehandles with minimal false positives. If many
more filehandles are all blocked at once, behaviour will degrade towards
rejecting all delegations for between 30 and 60 seconds, then resetting and
allowing new delegations.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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As reported by Niels, starting rfkill polling during device probe
(commit e2bc7c5, generally sane change) broke rfkill on rt2500pci
device. I considered that bug as some initalization issue, which
should be fixed on rt2500pci specific code. But after several
attempts (see bug report for details) we fail to find working solution.
Hence I decided to revert to old behaviour on rt2500pci to fix
regression.
Additionally patch also unregister rfkill on device remove instead
of ifconfig down, what was another issue introduced by bad commit.
Bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=73821
Fixes: e2bc7c5f3cb8 ("rt2x00: Fix rfkill_polling register function.")
Cc: stable@vger.kernel.org
Bisected-by: Niels <nille0386@googlemail.com>
Reported-and-tested-by: Niels <nille0386@googlemail.com>
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Support for firmware rev 508+ was added years ago, but we never noticed
it reports channel in a different way for G-PHY devices. Instead of
offset from 2400 MHz it simply passes channel id (AKA hw_value).
So far it was (most probably) affecting monitor mode users only, but
the following recent commit made it noticeable for quite everybody:
commit 3afc2167f60a327a2c1e1e2600ef209a3c2b75b7
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Tue Mar 4 16:50:13 2014 +0200
cfg80211/mac80211: ignore signal if the frame was heard on wrong channel
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: stable@vger.kernel.org
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The device 057c:8501 (AVM Fritz! WLAN v2 rev. B) boots into a state that does
not actually require loading a firmware file. The vendors driver finds out
about this by checking a firmware state register, so this patch adds this here.
Finally, with this patch applied, my wifi dongle actually becomes
useful (scan + connect to wpa network works).
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The device 057c:8501 (AVM Fritz! WLAN v2 rev. B) currently does not
load. One thing observed is that the vendors driver detects EFUSE mode
for this device, but rt2800usb does not. This is due to rt2800usb
lacking a check for the firmware mode present in the vendors driver,
that this patch adopts for rt2800usb.
With this patch applied, the 'RF chipset' detection does no longer fail.
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
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ahci_platform_get_resources handles resource management for
platform AHCI drivers, including getting a possible PHY
from the device tree. Since not all drivers need a PHY, it
ignores -ENODEV and -ENOSYS from devm_get_phy. However, when
the PHY subsystem is mistakenly disabled, -ENOSYS can be
returned even when a PHY is needed.
This patch modifies the -ENOSYS case to check if a "phys"
device tree node exists. If it exists, then clearly the PHY
subsystem is mistakenly disabled and the driver cannot work,
ahci_platform_get_resources will fail and propagate the error.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The System Type menu is getting quite long with platforms and is
inconsistent in handling of sub-arch specific options. Tidy up the menu
by making platform options a menuconfig entry containing any platform
specific config items.
[arnd: change OMAP part according to suggestion from
Tony Lindgren <tony@atomide.com>]
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Following 5d01b7684b7e "mmc: simplify SDHCI Kconfig dependencies",
SDHCI drivers that use MMC_SDHCI_PLTFM no longer select it, but
instead depend on it. This means that multi_v7_defconfig no longer
selects it, and hence many SDHCI drivers are no longer enabled.
Explicitly enable MMC_SDHCI_PLTFM to solve this.
Fixes: 5d01b7684b7e ("mmc: simplify SDHCI Kconfig dependencies")
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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