Move the inline pimsm_enabled() to pim.h and rename it to
ipmr_pimsm_enabled to show it's for the ipv4 ipmr code since pim.h is
used by IPv6 too.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the definitions of VIF_EXISTS() and struct mr_table to mroute.h
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove extra spaces and tabs, adjust function definitions, remove an
unnecessary ifdef (already used below, just move code) and drop extern
from the functions.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
MFC_NOTIFY was introduced in kernel 2.1.68 but afaik it hasn't been used
and I couldn't find any users currently so just remove it. Only
MFC_STATIC is left, so move it into an enum, add a description and use
BIT().
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
So far struct spi_nor was using just a pointer to struct mtd_info so it
wasn't needed to have it fully defined there. After recent change we
embed whole struct so we need to include a proper header.
Fixes: 1976367173 ("mtd: spi-nor: embed struct mtd_info within struct spi_nor")
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
The memory barrier in the helper wq_has_sleeper is needed by just
about every user of waitqueue_active. This patch generalises it
by making it take a wait_queue_head_t directly. The existing
helper is renamed to skwq_has_sleeper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Errata i810 states that DPLL controller can get stuck while transitioning
to a power saving state, while its M/N ratio is being re-programmed.
As a workaround, before re-programming the M/N ratio, SW has to ensure
the DPLL cannot start an idle state transition. SW can disable DPLL
idling by setting the DPLL AUTO_DPLL_MODE=0 or keeping a clock request
active by setting a dependent clock domain in SW_WKUP.
This errata impacts OMAP5 and DRA7 chips, so enable the errata for these.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The structure omap_mmu_dev_attr was used in the hwmod data for
supplying device-specific data through the .dev_attr field and
used in constructing the platform data for legacy device creation.
The legacy device creation of OMAP IOMMU devices has been cleaned
up, and this structure is no longer needed, so remove it.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This patch adds a i2c_check_quirks helper function to check the quirk flags
of an i2c adapter, in a similar way to i2c_check_functionality.
Signed-off-by: Nicola Corna <nicola@corna.info>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Add I2C_AQ_NO_CLK_STRETCH quirk flag, to be used when clock stretching is
not supported.
Signed-off-by: Nicola Corna <nicola@corna.info>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The <dt-bindings/pinctrl/omap.h> header file defines a set of macros
for different SoCs families that falls under the OMAP sub-arch, that
allow to define the padconf register physical address instead of the
register offset from the padconf base.
But the am43xx and dra7xx SoCs families have their own pinctrl header
file so the DTS using these SoCs aren't able to use the AM4372_IOPAD()
and DRA7XX_CORE_IOPAD() macros since <dt-bindings/pinctrl/omap.h> is
not included.
Move the macros to the correct header files so can be used by the DTS.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The VPD page information might change, so we need to be able to update
it. This patch implements a VPD page rescan whenever the 'rescan' sysfs
attribute is triggered.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This adds support for DA7217 and DA7218 audio codecs.
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
KVM creates debugfs files to export VM statistics to userland. To be
able to remove them on kvm exit it tracks the files' dentries.
Since their parent directory is also tracked and since each parent
direntry knows its children we can easily remove them by using
debugfs_remove_recursive(kvm_debugfs_dir). Therefore we don't
need the extra tracking in the kvm_stats_debugfs_item anymore.
Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-By: Sascha Silbe <silbe@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Usually, VCPU ids match the array index. So let's try a fast
lookup first before falling back to the slow iteration.
Suggested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Make snd_compress_new take an id string (like snd_pcm_new).
This string can be included in the procfs info.
This patch also updates soc_new_compress() to create an ID
based on the stream and dai name, as done for PCM streams.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch implements a procfs info file for compr nodes when
SND_VERBOSE_PROCFS is enabled. This is equivalent to what the PCM
core already does for pcm nodes.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The snd_i2c_ops structures are never modified, so declare them as const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Add drm_atomic_helper_disable_planes_on_crtc() for disabling all
planes associated with the given CRTC. This can be used for instance
in the CRTC helper disable callback to disable all planes before
shutting down the display pipeline.
v2:
- Address Daniels review comments [1]
- Do atomic_begin() and atomic_flush() always if they are defined and
atomic knob is set
- update kerneldoc
- Put drm_atomic_helper_disable_planes_on_crtc() after
drm_atomic_helper_commit_planes_on_crtc() in drm_atomic_helper.c
to have functions in the same order as in drm_atomic_helper.h
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1448633641-6486-1-git-send-email-jsarha@ti.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Commit 9c7077622d ("packet: make packet_snd fail on len smaller
than l2 header") added validation for the packet size in packet_snd.
This change enforces that every packet needs a header (with at least
hard_header_len bytes) plus a payload with at least one byte. Before
this change the payload was optional.
This fixes PPPoE connections which do not have a "Service" or
"Host-Uniq" configured (which is violating the spec, but is still
widely used in real-world setups). Those are currently failing with the
following message: "pppd: packet size is too short (24 <= 24)"
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a cloned request is retried on other queues it always needs
to be checked against the queue limits of that queue.
Otherwise the calculations for nr_phys_segments might be wrong,
leading to a crash in scsi_init_sgtable().
To clarify this the patch renames blk_rq_check_limits()
to blk_cloned_rq_check_limits() and removes the symbol
export, as the new function should only be used for
cloned requests and never exported.
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Ewan Milne <emilne@redhat.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Fixes: e2a60da74 ("block: Clean up special command handling logic")
Cc: stable@vger.kernel.org # 3.7+
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
The get_bb_tbl function takes ppa as a generic address, which is
converted to the ppa device address within the device driver. When
the update_bbtbl callback is called from get_bb_tbl, the device
specific ppa is used, instead of the generic ppa.
Make sure to pass the generic ppa.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Pull SCSI target fixes from Nicholas Bellinger:
- fix tcm-user backend driver expired cmd time processing (agrover)
- eliminate kref_put_spinlock_irqsave() for I/O completion (bart)
- fix iscsi login kthread failure case hung task regression (nab)
- fix COMPARE_AND_WRITE completion use-after-free race (nab)
- fix COMPARE_AND_WRITE with SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC non zero
SGL offset data corruption. (Jan + Doug)
- fix >= v4.4-rc1 regression for tcm_qla2xxx enable configfs attribute
(Himanshu + HCH)
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target/stat: print full t10_wwn.model buffer
target: fix COMPARE_AND_WRITE non zero SGL offset data corruption
qla2xxx: Fix regression introduced by target configFS changes
kref: Remove kref_put_spinlock_irqsave()
target: Invoke release_cmd() callback without holding a spinlock
target: Fix race for SCF_COMPARE_AND_WRITE_POST checking
iscsi-target: Fix rx_login_comp hang after login failure
iscsi-target: return -ENOMEM instead of -1 in case of failed kmalloc()
target/user: Do not set unused fields in tcmu_ops
target/user: Fix time calc in expired cmd processing
Pull thermal management fixes from Zhang Rui:
"Specifics:
- several fixes and cleanups on Rockchip thermal drivers.
- add the missing support of RK3368 SoCs in Rockchip driver.
- small fixes on of-thermal, power_allocator, rcar driver, IMX, and
QCOM drivers, and also compilation fixes, on thermal.h, when thermal
is not selected"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
imx: thermal: use CPU temperature grade info for thresholds
thermal: fix thermal_zone_bind_cooling_device prototype
Revert "thermal: qcom_spmi: allow compile test"
thermal: rcar_thermal: remove redundant operation
thermal: of-thermal: Reduce log level for message when can't fine thermal zone
thermal: power_allocator: Use temperature reading from tz
thermal: rockchip: Support the RK3368 SoCs in thermal driver
thermal: rockchip: consistently use int for temperatures
thermal: rockchip: Add the sort mode for adc value increment or decrement
thermal: rockchip: improve the conversion function
thermal: rockchip: trivial: fix typo in commit
thermal: rockchip: better to compatible the driver for different SoCs
dt-bindings: rockchip-thermal: Support the RK3368 SoCs compatible
The last user is gone. Hence remove this function.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch addresses a race + use after free where the first
stage of COMPARE_AND_WRITE in compare_and_write_callback()
is rescheduled after the backend sends the secondary WRITE,
resulting in second stage compare_and_write_post() callback
completing in target_complete_ok_work() before the first
can return.
Because current code depends on checking se_cmd->se_cmd_flags
after return from se_cmd->transport_complete_callback(),
this results in first stage having SCF_COMPARE_AND_WRITE_POST
set, which incorrectly falls through into second stage CAW
processing code, eventually triggering a NULL pointer
dereference due to use after free.
To address this bug, pass in a new *post_ret parameter into
se_cmd->transport_complete_callback(), and depend upon this
value instead of ->se_cmd_flags to determine when to return
or fall through into ->queue_status() code for CAW.
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
NUMA
Prevent out of bounds access in numa_node override (Mathias Krause)
HiSilicon host bridge driver
Fix deferred probing (Arnd Bergmann)
Synopsys DesignWare host bridge driver
Remove incorrect io_base assignment (Stanimir Varbanov)
Move align_resource function pointer to pci_host_bridge structure (Gabriele Paoloni)
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Merge tag 'pci-v4.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Here are a few fixes I'd like to have in v4.4: a generic one for sysfs
and three for HiSilicon and DesignWare host controllers.
Summary:
NUMA:
- Prevent out of bounds access in numa_node override (Mathias Krause)
HiSilicon host bridge driver:
- Fix deferred probing (Arnd Bergmann)
Synopsys DesignWare host bridge driver:
- Remove incorrect io_base assignment (Stanimir Varbanov)
- Move align_resource function pointer to pci_host_bridge structure
(Gabriele Paoloni)"
* tag 'pci-v4.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
ARM/PCI: Move align_resource function pointer to pci_host_bridge structure
PCI: hisi: Fix deferred probing
PCI: designware: Remove incorrect io_base assignment
PCI: Prevent out of bounds access in numa_node override
Highlights include:
Stable patches:
- Fix a NFSv4 callback identifier leak that was also causing client crashes
- Fix NFSv4 callback decoding issues when incoming requests are truncated
- Don't declare the attribute cache valid when we call nfs_update_inode with
an empty attribute structure.
- Resend LAYOUTGET when there is a race that changes the seqid
Bugfixes:
- Fix a number of issues with the NFSv4.2 CLONE ioctl()
- Properly set NFS v4.2 NFSDBG_FACILITY
- NFSv4 referrals are broken; Cleanup FATTR4_WORD0_FS_LOCATIONS after
decoding success
- Use sliding delay when LAYOUTGET gets NFS4ERR_DELAY
- Ensure that attrcache is revalidated after a SETATTR
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Merge tag 'nfs-for-4.4-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Stable patches:
- Fix a NFSv4 callback identifier leak that was also causing client
crashes
- Fix NFSv4 callback decoding issues when incoming requests are
truncated
- Don't declare the attribute cache valid when we call
nfs_update_inode with an empty attribute structure.
- Resend LAYOUTGET when there is a race that changes the seqid
Bugfixes:
- Fix a number of issues with the NFSv4.2 CLONE ioctl()
- Properly set NFS v4.2 NFSDBG_FACILITY
- NFSv4 referrals are broken; Cleanup FATTR4_WORD0_FS_LOCATIONS after
decoding success
- Use sliding delay when LAYOUTGET gets NFS4ERR_DELAY
- Ensure that attrcache is revalidated after a SETATTR"
* tag 'nfs-for-4.4-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
nfs4: resend LAYOUTGET when there is a race that changes the seqid
nfs: if we have no valid attrs, then don't declare the attribute cache valid
nfs: ensure that attrcache is revalidated after a SETATTR
nfs4: limit callback decoding to received bytes
nfs4: start callback_ident at idr 1
nfs: use sliding delay when LAYOUTGET gets NFS4ERR_DELAY
NFS4: Cleanup FATTR4_WORD0_FS_LOCATIONS after decoding success
NFS: Properly set NFS v4.2 NFSDBG_FACILITY
nfs: reduce the amount of ifdefs for v4.2 in nfs4file.c
nfs: use btrfs ioctl defintions for clone
nfs: allow intra-file CLONE
nfs: offer native ioctls even if CONFIG_COMPAT is set
nfs: pass on count for CLONE operations
There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an MFD include
file to get merged through another tree. We normally try to sort those out
before the merge window opens, but the maintainer wasn't aware of that here
and I decided to merge the changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
get audio working.
The other changes are the usual simple changes, here is a list sorted by
platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an
MFD include file to get merged through another tree.
We normally try to sort those out before the merge window opens, but
the maintainer wasn't aware of that here and I decided to merge the
changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but
turned out to be necessary to fix a boot time imprecise external abort
error and to get audio working.
The other changes are the usual simple changes, here is a list sorted
by platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
ARM: OMAP4+: SMP: use lockless clkdm/pwrdm api in omap4_boot_secondary
arm: omap2+: add missing HWMOD_NO_IDLEST in 81xx hwmod data
ARM: orion5x: Fix legacy get_irqnr_and_base
ARM: dove: Fix legacy get_irqnr_and_base
soc: Mediatek: Enable SCPSYS power domain driver by default
ARM: dts: vfxxx: Fix dspi[01] spi-num-chipselects.
ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
soc: ti: knav_qmss_queue: Fix linking RAM setup for queue managers
soc: ti: use request_firmware_direct() as acc firmware is optional
ARM: imx: add platform irq type setting in gpc
ARM: dts: vfxxx: Fix erroneous property in esdhc0 node
ARM: shmobile: r8a7793: proper constness with __initconst
scpi: hide get_scpi_ops in module from built-in code
ARM: zx: only build power domain code when CONFIG_PM=y
ARM: pxa: palm: Fix typos in PWM lookup table code
ARM: dts: Kirkwood: Fix QNAP TS219 power-off
ARM: dts: rockchip: Add OTP gpio pinctrl to rk3288 tsadc node
ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
MAINTAINERS: Atmel drivers: change NAND and ISI entries
ARM: at91/dt: sama5d2 Xplained: add several devices
...
- Build fix when !CONFIG_UID16 (the patch is touching generic files but
it only affects arm64 builds; submitted by Arnd Bergmann)
- EFI fixes to deal with early_memremap() returning NULL and correctly
mapping run-time regions
- Fix CPUID register extraction of unsigned fields (not to be
sign-extended)
- ASID allocator fix to deal with long-running tasks over multiple
generation roll-overs
- Revert support for marking page ranges as contiguous PTEs (it leads to
TLB conflicts and requires additional non-trivial kernel changes)
- Proper early_alloc() failure check
- Disable KASan for 48-bit VA and 16KB page configuration (the pgd is
larger than the KASan shadow memory)
- Update the fault_info table (original descriptions based on early
engineering spec)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Build fix when !CONFIG_UID16 (the patch is touching generic files but
it only affects arm64 builds; submitted by Arnd Bergmann)
- EFI fixes to deal with early_memremap() returning NULL and correctly
mapping run-time regions
- Fix CPUID register extraction of unsigned fields (not to be
sign-extended)
- ASID allocator fix to deal with long-running tasks over multiple
generation roll-overs
- Revert support for marking page ranges as contiguous PTEs (it leads
to TLB conflicts and requires additional non-trivial kernel changes)
- Proper early_alloc() failure check
- Disable KASan for 48-bit VA and 16KB page configuration (the pgd is
larger than the KASan shadow memory)
- Update the fault_info table (original descriptions based on early
engineering spec)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: efi: fix initcall return values
arm64: efi: deal with NULL return value of early_memremap()
arm64: debug: Treat the BRPs/WRPs as unsigned
arm64: cpufeature: Track unsigned fields
arm64: cpufeature: Add helpers for extracting unsigned values
Revert "arm64: Mark kernel page ranges contiguous"
arm64: mm: keep reserved ASIDs in sync with mm after multiple rollovers
arm64: KASAN depends on !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
arm64: efi: correctly map runtime regions
arm64: mm: fix fault_info table xFSC decoding
arm64: fix building without CONFIG_UID16
arm64: early_alloc: Fix check for allocation failure
The previous patch reintroduced a race condition whereby a failure in
one reader may allow a second reader to see out-of-order events.
Introduce a mutex to serialise readers so that an event is completed in
its entirety before another reader may process an event. The two readers
may race against each other, but the events each retrieves are in the
correct order.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1448462343-2072-2-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Adds a new id for the sclk supplying the mipidsi on rk3288 socs.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The xfer_rdy, command, and task frame's iu structures are not available
in <scsi/sas.h>, but only aic94xx driver folder. Add them to
include/scsi/sas.h
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit 4f258a4634 ("sd: Fix maximum I/O size for BLOCK_PC requests")
had the unfortunate side-effect of removing an implicit clamp to
BLK_DEF_MAX_SECTORS for REQ_TYPE_FS requests in the block layer
code. This caused problems for some SMR drives.
Debugging this issue revealed a few problems with the existing
infrastructure since the block layer didn't know how to deal with
device-imposed limits, only limits set by the I/O controller.
- Introduce a new queue limit, max_dev_sectors, which is used by the
ULD to signal the maximum sectors for a REQ_TYPE_FS request.
- Ensure that max_dev_sectors is correctly stacked and taken into
account when overriding max_sectors through sysfs.
- Rework sd_read_block_limits() so it saves the max_xfer and opt_xfer
values for later processing.
- In sd_revalidate() set the queue's max_dev_sectors based on the
MAXIMUM TRANSFER LENGTH value in the Block Limits VPD. If this value
is not reported, fall back to a cap based on the CDB TRANSFER LENGTH
field size.
- In sd_revalidate(), use OPTIMAL TRANSFER LENGTH from the Block Limits
VPD--if reported and sane--to signal the preferred device transfer
size for FS requests. Otherwise use BLK_DEF_MAX_SECTORS.
- blk_limits_max_hw_sectors() is no longer used and can be removed.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=93581
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: sweeneygj@gmx.com
Tested-by: Arzeets <anatol.pomozov@gmail.com>
Tested-by: David Eisner <david.eisner@oriel.oxon.org>
Tested-by: Mario Kicherer <dev@kicherer.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Merge tag 'v4.4-rc2' into fixes
Linux 4.4-rc2 is backmerged from the keystone fixes.
We cache all hotpath members of a clocksource in the time keeper
core. So there is no requirement in general to cache line align struct
clocksource. Remove the enforces alignment.
That allows users which need to wrap struct clocksource into their own
struct to align the struct without getting extra padding.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Mans Rullgard <mans@mansr.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Sebastian Frias <sebastian_frias@sigmadesigns.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1511191209000.3898@nanos
When an anomaly is found while modifying function code, ftrace_bug() is
called which disables the function tracing infrastructure and reports
information about what failed. If the code that is to be replaced does not
match what is expected, then actual code is shown. Currently there is no
arch generic way to show what was expected.
Add a new variable pointer calld ftrace_expected that the arch code can set
to point to what it expected so that ftrace_bug() can report the actual text
as well as the text that was expected to be there.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
The ftrace function hook utility has several internal checks to make sure
that whatever it modifies is exactly what it expects to be modifying. This
is essential as modifying running code can be extremely dangerous to the
system.
When an anomaly is detected, ftrace_bug() is called which sends a splat to
the console and disables function tracing. There's some extra information
that is printed to help diagnose the issue.
One thing that is missing though is output of what ftrace was doing at the
time of the crash. Was it updating a call site or perhaps converting a call
site to a nop? A new global enum variable is created to state what ftrace
was doing at the time of the anomaly, and this is reported in ftrace_bug().
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Commit b3a72384fe ("ARM/PCI: Replace pci_sys_data->align_resource with
global function pointer") introduced an ARM-specific align_resource()
function pointer. This is not portable to other arches and doesn't work
for platforms with two different PCIe host bridge controllers.
Move the function pointer to the pci_host_bridge structure so each host
bridge driver can specify its own align_resource() function.
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Currently, when having map file descriptors pointing to program arrays,
there's still the issue that we unconditionally flush program array
contents via bpf_fd_array_map_clear() in bpf_map_release(). This happens
when such a file descriptor is released and is independent of the map's
refcount.
Having this flush independent of the refcount is for a reason: there
can be arbitrary complex dependency chains among tail calls, also circular
ones (direct or indirect, nesting limit determined during runtime), and
we need to make sure that the map drops all references to eBPF programs
it holds, so that the map's refcount can eventually drop to zero and
initiate its freeing. Btw, a walk of the whole dependency graph would
not be possible for various reasons, one being complexity and another
one inconsistency, i.e. new programs can be added to parts of the graph
at any time, so there's no guaranteed consistent state for the time of
such a walk.
Now, the program array pinning itself works, but the issue is that each
derived file descriptor on close would nevertheless call unconditionally
into bpf_fd_array_map_clear(). Instead, keep track of users and postpone
this flush until the last reference to a user is dropped. As this only
concerns a subset of references (f.e. a prog array could hold a program
that itself has reference on the prog array holding it, etc), we need to
track them separately.
Short analysis on the refcounting: on map creation time usercnt will be
one, so there's no change in behaviour for bpf_map_release(), if unpinned.
If we already fail in map_create(), we are immediately freed, and no
file descriptor has been made public yet. In bpf_obj_pin_user(), we need
to probe for a possible map in bpf_fd_probe_obj() already with a usercnt
reference, so before we drop the reference on the fd with fdput().
Therefore, if actual pinning fails, we need to drop that reference again
in bpf_any_put(), otherwise we keep holding it. When last reference
drops on the inode, the bpf_any_put() in bpf_evict_inode() will take
care of dropping the usercnt again. In the bpf_obj_get_user() case, the
bpf_any_get() will grab a reference on the usercnt, still at a time when
we have the reference on the path. Should we later on fail to grab a new
file descriptor, bpf_any_put() will drop it, otherwise we hold it until
bpf_map_release() time.
Joint work with Alexei.
Fixes: b2197755b2 ("bpf: add support for persistent maps/progs")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"Bug fixes for all architectures. Nothing really stands out"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: nVMX: remove incorrect vpid check in nested invvpid emulation
arm64: kvm: report original PAR_EL1 upon panic
arm64: kvm: avoid %p in __kvm_hyp_panic
KVM: arm/arm64: vgic: Trust the LR state for HW IRQs
KVM: arm/arm64: arch_timer: Preserve physical dist. active state on LR.active
KVM: arm/arm64: Fix preemptible timer active state crazyness
arm64: KVM: Add workaround for Cortex-A57 erratum 834220
arm64: KVM: Fix AArch32 to AArch64 register mapping
ARM/arm64: KVM: test properly for a PTE's uncachedness
KVM: s390: fix wrong lookup of VCPUs by array index
KVM: s390: avoid memory overwrites on emergency signal injection
KVM: Provide function for VCPU lookup by id
KVM: s390: fix pfmf intercept handler
KVM: s390: enable SIMD only when no VCPUs were created
KVM: x86: request interrupt window when IRQ chip is split
KVM: x86: set KVM_REQ_EVENT on local interrupt request from user space
KVM: x86: split kvm_vcpu_ready_for_interrupt_injection out of dm_request_for_irq_injection
KVM: x86: fix interrupt window handling in split IRQ chip case
MIPS: KVM: Uninit VCPU in vcpu_create error path
MIPS: KVM: Fix CACHE immediate offset sign extension
...
Add a PHY entry for the Broadcom BCM7435 chips, this is a 40nm
generation Ethernet PHY which is analogous to its 7425 and 7429 counter
parts.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch makes kvm_para_has_feature return bool due to this
particular function only using either one or zero as its return
value.
No functional change.
Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch makes kvm_is_visible_gfn return bool due to this particular
function only using either one or zero as its return value.
No functional change.
Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A new vcpu exit is introduced to notify the userspace of the
changes in Hyper-V SynIC configuration triggered by guest writing to the
corresponding MSRs.
Changes v4:
* exit into userspace only if guest writes into SynIC MSR's
Changes v3:
* added KVM_EXIT_HYPERV types and structs notes into docs
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Gleb Natapov <gleb@kernel.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: qemu-devel@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
SynIC (synthetic interrupt controller) is a lapic extension,
which is controlled via MSRs and maintains for each vCPU
- 16 synthetic interrupt "lines" (SINT's); each can be configured to
trigger a specific interrupt vector optionally with auto-EOI
semantics
- a message page in the guest memory with 16 256-byte per-SINT message
slots
- an event flag page in the guest memory with 16 2048-bit per-SINT
event flag areas
The host triggers a SINT whenever it delivers a new message to the
corresponding slot or flips an event flag bit in the corresponding area.
The guest informs the host that it can try delivering a message by
explicitly asserting EOI in lapic or writing to End-Of-Message (EOM)
MSR.
The userspace (qemu) triggers interrupts and receives EOM notifications
via irqfd with resampler; for that, a GSI is allocated for each
configured SINT, and irq_routing api is extended to support GSI-SINT
mapping.
Changes v4:
* added activation of SynIC by vcpu KVM_ENABLE_CAP
* added per SynIC active flag
* added deactivation of APICv upon SynIC activation
Changes v3:
* added KVM_CAP_HYPERV_SYNIC and KVM_IRQ_ROUTING_HV_SINT notes into
docs
Changes v2:
* do not use posted interrupts for Hyper-V SynIC AutoEOI vectors
* add Hyper-V SynIC vectors into EOI exit bitmap
* Hyper-V SyniIC SINT msr write logic simplified
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Gleb Natapov <gleb@kernel.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: qemu-devel@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Actually kvm_arch_irq_routing_update() should be
kvm_arch_post_irq_routing_update() as it's called at the end
of irq routing update.
This renaming frees kvm_arch_irq_routing_update function name.
kvm_arch_irq_routing_update() weak function which will be used
to update mappings for arch-specific irq routing entries
(in particular, the upcoming Hyper-V synthetic interrupts).
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Gleb Natapov <gleb@kernel.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: qemu-devel@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix the semantic of lc_seq_printf. Currently, it always returns 0 and
the return value is unused, therefore, convert the return type to void.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
