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The mapping used to be dependent on just the CPU location, but
now it's a tuple of (type, cpu) instead. This is a prep patch
for allowing a single software queue to map to multiple hardware
queues. No functional changes in this patch.
This changes the software queue count to an unsigned short
to save a bit of space. We can still support 64K-1 CPUs,
which should be enough. Add a check to catch a wrap.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This is in preparation for allowing multiple sets of maps per
queue, if so desired.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It's just a pointer to set->mq_map, use that instead. Move the
assignment a bit earlier, so we always know it's valid.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into for-4.21/block
Pull in the irq affinity commits, that are staged through Thomas's
tree.
* 'irq/for-block' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/affinity: Add support for allocating interrupt sets
genirq/affinity: Pass first vector to __irq_build_affinity_masks()
genirq/affinity: Move two stage affinity spreading into a helper function
genirq/affinity: Spread IRQs to all available NUMA nodes
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This was used for completion placement for the legacy path,
but for mq we have rq->mq_ctx->cpu for that. Add a helper
to get the request CPU assignment, as the mq_ctx type is
private to blk-mq.
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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With the legacy path gone, all we do is funnel it through the
mq_ops->complete() operation.
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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No point in hiding what this does, just open code it in the
one spot where we are still using it.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It's now dead code, nobody uses it.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Get rid of the special bsg job fn and timeout handler, move them
into a private bsg_set instead.
Mostly from Christoph, with fixes for error handling and cleanups.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The only user of legacy timing now is BSG, which is invoked
from the mq timeout handler. Kill the legacy code, and rename
the q->rq_timed_out_fn to q->bsg_job_timeout_fn.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Now there's no difference between blk_put_request() and
__blk_put_request() anymore, get rid of the underscore version and
convert the few callers.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This is a remnant of when we had ops for both SQ and MQ
schedulers. Now it's just MQ, so get rid of the union.
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This removes a bunch of core and elevator related code. On the core
front, we remove anything related to queue running, draining,
initialization, plugging, and congestions. We also kill anything
related to request allocation, merging, retrieval, and completion.
Remove any checking for single queue IO schedulers, as they no
longer exist. This means we can also delete a bunch of code related
to request issue, adding, completion, etc - and all the SQ related
ops and helpers.
Also kill the load_default_modules(), as all that did was provide
for a way to load the default single queue elevator.
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It's now unused, kill it.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It's now unused.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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All drivers do unregister + cleanup, provide a helper for that.
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This will ease in the conversion to blk-mq, where we can't set
a timeout handler after queue init.
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Nobody is using the legacy path for blk_lld_busy() anymore, remove
it.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This removes the legacy (non-mq) IO path for SCSI.
Cc: linux-scsi@vger.kernel.org
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We'll hook into this from blk_lld_busy(), allowing blk-mq to also
return whether or not a given queue currently has requests in
progress.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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ide-disk and ide-cd tested as working just fine, ide-tape and
ide-floppy haven't. But the latter don't require changes, so they
should work without issue.
Add helper function to insert a request from a work queue, since we
cannot invoke the blk-mq request insertion from IRQ context.
Cc: David Miller <davem@davemloft.net>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add the PCI device IDs for family 17h model 30h, since they are needed
for accessing various registers via the data fabric/SMN interface.
Signed-off-by: Brian Woods <brian.woods@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Bjorn Helgaas <bhelgaas@google.com>
CC: Clemens Ladisch <clemens@ladisch.de>
CC: Guenter Roeck <linux@roeck-us.net>
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jean Delvare <jdelvare@suse.com>
CC: Jia Zhang <qianyue.zj@alibaba-inc.com>
CC: <linux-hwmon@vger.kernel.org>
CC: <linux-pci@vger.kernel.org>
CC: Pu Wen <puwen@hygon.cn>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/20181106200754.60722-4-brian.woods@amd.com
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Consolidate shared PCI_DEVICE_IDs that were scattered through k10temp
and amd_nb, and move them into pci_ids.
Signed-off-by: Brian Woods <brian.woods@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
CC: Bjorn Helgaas <bhelgaas@google.com>
CC: Clemens Ladisch <clemens@ladisch.de>
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jean Delvare <jdelvare@suse.com>
CC: Jia Zhang <qianyue.zj@alibaba-inc.com>
CC: <linux-hwmon@vger.kernel.org>
CC: <linux-pci@vger.kernel.org>
CC: Pu Wen <puwen@hygon.cn>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/20181106200754.60722-2-brian.woods@amd.com
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- hid.git is moving towards group maintainership (where group is myself
and Benjamin Tissoires), therefore this pull request updates
MAINTAINERS accordingly
- fix for hid-asus config dependency from Arnd Bergmann
- two device-specific quirks for i2c-hid from Julian Sax and Kai-Heng
Feng
- other few small assorted fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: fix up .raw_event() documentation
HID: asus: fix build warning wiht CONFIG_ASUS_WMI disabled
HID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override
HID: moving to group maintainership model
HID: alps: allow incoming reports when only the trackstick is opened
Revert "HID: add NOGET quirk for Eaton Ellipse MAX UPS"
HID: i2c-hid: Add a small delay after sleep command for Raydium touchpanel
HID: hiddev: fix potential Spectre v1
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Some devices such as the TPO TPG110 display panel require
a "high-impedance turn-around", in effect a clock cycle after
switching the line from output to input mode.
Support this in the GPIO driver to begin with. Other driver
may implement it if they can, it is unclear if this can
be achieved with anything else than GPIO bit-banging.
Cc: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The i915 driver uses shmemfs to allocate backing storage for gem
objects. These shmemfs pages can be pinned (increased ref count) by
shmem_read_mapping_page_gfp(). When a lot of pages are pinned, vmscan
wastes a lot of time scanning these pinned pages. In some extreme case,
all pages in the inactive anon lru are pinned, and only the inactive
anon lru is scanned due to inactive_ratio, the system cannot swap and
invokes the oom-killer. Mark these pinned pages as unevictable to speed
up vmscan.
Export pagevec API check_move_unevictable_pages().
This patch was inspired by Chris Wilson's change [1].
[1]: https://patchwork.kernel.org/patch/9768741/
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Kuo-Hsin Yang <vovoy@chromium.org>
Acked-by: Michal Hocko <mhocko@suse.com> # mm part
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20181106132324.17390-1-chris@chris-wilson.co.uk
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Devices connected under Terminus Technology Inc. Hub (1a40:0101) may
fail to work after the system resumes from suspend:
[ 206.063325] usb 3-2.4: reset full-speed USB device number 4 using xhci_hcd
[ 206.143691] usb 3-2.4: device descriptor read/64, error -32
[ 206.351671] usb 3-2.4: device descriptor read/64, error -32
Info for this hub:
T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=480 MxCh= 4
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1a40 ProdID=0101 Rev=01.11
S: Product=USB 2.0 Hub
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
Some expirements indicate that the USB devices connected to the hub are
innocent, it's the hub itself is to blame. The hub needs extra delay
time after it resets its port.
Hence wait for extra delay, if the device is connected to this quirky
hub.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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During HARD_RESET the data link is disconnected.
For self powered device, the spec is advising against doing that.
>From USB_PD_R3_0
7.1.5 Response to Hard Resets
Device operation during and after a Hard Reset is defined as follows:
Self-powered devices Should Not disconnect from USB during a Hard Reset
(see Section 9.1.2).
Bus powered devices will disconnect from USB during a Hard Reset due to the
loss of their power source.
Tackle this by letting TCPM know whether the device is self or bus powered.
This overcomes unnecessary port disconnections from hard reset.
Also, speeds up the enumeration time when connected to Type-A ports.
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---------
Version history:
V3:
Rebase on top of usb-next
V2:
Based on feedback from heikki.krogerus@linux.intel.com
- self_powered added to the struct tcpm_port which is populated from
a. "connector" node of the device tree in tcpm_fw_get_caps()
b. "self_powered" node of the tcpc_config in tcpm_copy_caps
Based on feedbase from linux@roeck-us.net
- Code was refactored
- SRC_HARD_RESET_VBUS_OFF sets the link state to false based
on self_powered flag
V1 located here:
https://lkml.org/lkml/2018/9/13/94
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adapt XRC SRQ to the latest HW specification with fixed definition
around umem valid bits. The previous definition relied on a bit which
was taken for other purposes in legacy FW.
Fixes: bd37197554eb ("net/mlx5: Update mlx5_ifc with DEVX UID bits")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
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Add extack argument to ip_fib_metrics_init and add messages for invalid
metrics.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add extack arg to rtnl_create_link and add messages for invalid
number of Tx or Rx queues.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a typo in include/rdma/ib_verbs.h.
See: https://www.merriam-webster.com/dictionary/lieu
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The split out of the hard lockup detector exposed two new weak functions,
but no prototypes for them, which triggers the build warning:
kernel/watchdog.c:109:12: warning: no previous prototype for ‘watchdog_nmi_enable’ [-Wmissing-prototypes]
kernel/watchdog.c:115:13: warning: no previous prototype for ‘watchdog_nmi_disable’ [-Wmissing-prototypes]
Add the prototypes.
Fixes: 73ce0511c436 ("kernel/watchdog.c: move hardlockup detector to separate file")
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Babu Moger <babu.moger@oracle.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20180606194232.17653-1-malat@debian.org
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Add a function to check whether there is at least one plane that
supports a specific format and modifier combination. Drivers can
use this to reject unsupported formats/modifiers in .fb_create().
v2: Accept anyformat if the driver doesn't do planes (Eric)
s/planes_have_format/any_plane_has_format/ (Eric)
Check the modifier as well since we already have a function
that does both
v3: Don't do the check in the core since we may not know the
modifier yet, instead export the function and let drivers
call it themselves
Cc: Eric Anholt <eric@anholt.net>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181029183453.28541-1-ville.syrjala@linux.intel.com
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WARN_ON() already contains an unlikely(), so it's not necessary to use
unlikely.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add rpm smd clocks, PMIC and bus clocks which are required on QCS404
for clients to vote on.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Anu Ramanathan <anur@codeaurora.org>
[bjorn: Dropped cxo, voter clocks and static initialization]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The driver currently supports coin cell / super cap charging, so
this patch extends it to support PF0100.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The machine drivers may need information provided by the platform
driver. Currently the information is passed using pdata specific to
each plaform driver. This prevents other drivers, such as SOF, from
reusing machine drivers directly.
Add a new structure which contains the required fields.
This proposal requires a bit more work on the platform side but this
generic interface helps reuse code directly.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This essentially undoes
commit 39868bd7668bd47308b1dfd97c212757caee764f
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Oct 29 08:55:58 2013 +0000
drm: Compact booleans within struct drm_file
We do lockless access to these flags everywhere, and it's kinda not a
great idea to mix lockless and bitfields. Aside from that gcc isn't
generating great code for these.
If this ever becomes an issue size-wise, I think we need atomic_t here
and atomic bitflag ops.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181102132543.16486-2-daniel.vetter@ffwll.ch
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Function name is wrong in the kernel-doc header.
Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices")
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Pull networking fixes from David Miller:
1) Handle errors mid-stream of an all dump, from Alexey Kodanev.
2) Fix build of openvswitch with certain combinations of netfilter
options, from Arnd Bergmann.
3) Fix interactions between GSO and BQL, from Eric Dumazet.
4) Don't put a '/' in RTL8201F's sysfs file name, from Holger
Hoffstätte.
5) S390 qeth driver fixes from Julian Wiedmann.
6) Allow ipv6 link local addresses for netconsole when both source and
destination are link local, from Matwey V. Kornilov.
7) Fix the BPF program address seen in /proc/kallsyms, from Song Liu.
8) Initialize mutex before use in dsa microchip driver, from Tristram
Ha.
9) Out-of-bounds access in hns3, from Yunsheng Lin.
10) Various netfilter fixes from Stefano Brivio, Jozsef Kadlecsik, Jiri
Slaby, Florian Westphal, Eric Westbrook, Andrey Ryabinin, and Pablo
Neira Ayuso.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (50 commits)
net: alx: make alx_drv_name static
net: bpfilter: fix iptables failure if bpfilter_umh is disabled
sock_diag: fix autoloading of the raw_diag module
net: core: netpoll: Enable netconsole IPv6 link local address
ipv6: properly check return value in inet6_dump_all()
rtnetlink: restore handling of dumpit return value in rtnl_dump_all()
net/ipv6: Move anycast init/cleanup functions out of CONFIG_PROC_FS
bonding/802.3ad: fix link_failure_count tracking
net: phy: realtek: fix RTL8201F sysfs name
sctp: define SCTP_SS_DEFAULT for Stream schedulers
sctp: fix strchange_flags name for Stream Change Event
mlxsw: spectrum: Fix IP2ME CPU policer configuration
openvswitch: fix linking without CONFIG_NF_CONNTRACK_LABELS
qed: fix link config error handling
net: hns3: Fix for out-of-bounds access when setting pfc back pressure
net/mlx4_en: use __netdev_tx_sent_queue()
net: do not abort bulk send on BQL status
net: bql: add __netdev_tx_sent_queue()
s390/qeth: report 25Gbit link speed
s390/qeth: sanitize ARP requests
...
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asm_volatile_goto should also be defined for other compilers that support
asm goto.
Fixes commit 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h
mutually exclusive").
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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The documentation for the .raw_event() callback says that if the
driver return 1, there will be no further processing of the event,
but this is not true, the actual code in hid-core.c looks like this:
if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
ret = hdrv->raw_event(hid, report, data, size);
if (ret < 0)
goto unlock;
}
ret = hid_report_raw_event(hid, type, data, size, interrupt);
The only return value that has any effect on the processing is
a negative error.
Correct this as it seems to confuse people: I found bogus code in
the Razer out-of-tree driver attempting to return 1 here.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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To be consistent with the rest of the mem2mem helpers,
rename vb2_m2m_request_queue to v4l2_m2m_request_queue.
This is just a cosmetic change.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Linux 4.20-rc1
* tag 'v4.20-rc1': (836 commits)
Linux 4.20-rc1
sched/topology: Fix off by one bug
memory_hotplug: cond_resched in __remove_pages
bfs: add sanity check at bfs_fill_super()
kernel/sysctl.c: remove duplicated include
kernel/kexec_file.c: remove some duplicated includes
mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask
ocfs2: fix clusters leak in ocfs2_defrag_extent()
ocfs2: dlmglue: clean up timestamp handling
ocfs2: don't put and assigning null to bh allocated outside
ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry
ocfs2: don't use iocb when EIOCBQUEUED returns
ocfs2: without quota support, avoid calling quota recovery
ocfs2: remove ocfs2_is_o2cb_active()
mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
include/linux/notifier.h: SRCU: fix ctags
mm: handle no memcg case in memcg_kmem_charge() properly
ARM: dts: stm32: update HASH1 dmas property on stm32mp157c
ARM: orion: avoid VLA in orion_mpp_conf
iov_iter: Fix 9p virtio breakage
...
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We get a headers_check warning about the newly defined ioctl command
structures:
./usr/include/linux/v4l2-controls.h:1105: found __[us]{8,16,32,64} type without #include <linux/types.h>
This is resolved by including linux/types.h, as suggested by the
warning, but there is another problem: Three of the four structures
have an odd number of __u8 headers, but are aligned to 32 bit in the
v4l2_ctrl_mpeg2_slice_params, so we get an implicit padding byte
for each one. To solve that, let's add explicit padding that can
be set to zero and verified in the kernel.
Fixes: c27bb30e7b6d ("media: v4l: Add definitions for MPEG-2 slice format and metadata")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains the first batch of Netfilter fixes for
your net tree:
1) Fix splat with IPv6 defragmenting locally generated fragments,
from Florian Westphal.
2) Fix Incorrect check for missing attribute in nft_osf.
3) Missing INT_MIN & INT_MAX definition for netfilter bridge uapi
header, from Jiri Slaby.
4) Revert map lookup in nft_numgen, this is already possible with
the existing infrastructure without this extension.
5) Fix wrong listing of set reference counter, make counter
synchronous again, from Stefano Brivio.
6) Fix CIDR 0 in hash:net,port,net, from Eric Westbrook.
7) Fix allocation failure with large set, use kvcalloc().
From Andrey Ryabinin.
8) No need to disable BH when fetch ip set comment, patch from
Jozsef Kadlecsik.
9) Sanity check for valid sysfs entry in xt_IDLETIMER, from
Taehee Yoo.
10) Fix suspicious rcu usage via ip_set() macro at netlink dump,
from Jozsef Kadlecsik.
11) Fix setting default timeout via nfnetlink_cttimeout, this
comes with preparation patch to add nf_{tcp,udp,...}_pernet()
helper.
12) Allow ebtables table nat to be of filter type via nft_compat.
From Florian Westphal.
13) Incorrect calculation of next bucket in early_drop, do no bump
hash value, update bucket counter instead. From Vasily Khoruzhick.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Minor fixes.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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These convenience wrappers disable interrupts while taking the spinlock.
A number of drivers would otherwise have to open-code these functions.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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Make xa_erase() take the spinlock and then call __xa_erase(), but make
it out of line since it's such a common function.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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