This patch removes the need of subdir-y. Now all files/directories under
arch/<arch>/include/uapi/ are exported.
The only change for userland is the layout of the command 'make
headers_install_all': directories asm-<arch> are replaced by arch-<arch>/.
Those new directories contains all files/directories of the specified arch.
Note that only cris and tile have more directories than only asm:
- arch-v[10|32] for cris;
- arch for tile.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Regularly, when a new header is created in include/uapi/, the developer
forgets to add it in the corresponding Kbuild file. This error is usually
detected after the release is out.
In fact, all headers under uapi directories should be exported, thus it's
useless to have an exhaustive list.
After this patch, the following files, which were not exported, are now
exported (with make headers_install_all):
asm-arc/kvm_para.h
asm-arc/ucontext.h
asm-blackfin/shmparam.h
asm-blackfin/ucontext.h
asm-c6x/shmparam.h
asm-c6x/ucontext.h
asm-cris/kvm_para.h
asm-h8300/shmparam.h
asm-h8300/ucontext.h
asm-hexagon/shmparam.h
asm-m32r/kvm_para.h
asm-m68k/kvm_para.h
asm-m68k/shmparam.h
asm-metag/kvm_para.h
asm-metag/shmparam.h
asm-metag/ucontext.h
asm-mips/hwcap.h
asm-mips/reg.h
asm-mips/ucontext.h
asm-nios2/kvm_para.h
asm-nios2/ucontext.h
asm-openrisc/shmparam.h
asm-parisc/kvm_para.h
asm-powerpc/perf_regs.h
asm-sh/kvm_para.h
asm-sh/ucontext.h
asm-tile/shmparam.h
asm-unicore32/shmparam.h
asm-unicore32/ucontext.h
asm-x86/hwcap2.h
asm-xtensa/kvm_para.h
drm/armada_drm.h
drm/etnaviv_drm.h
drm/vgem_drm.h
linux/aspeed-lpc-ctrl.h
linux/auto_dev-ioctl.h
linux/bcache.h
linux/btrfs_tree.h
linux/can/vxcan.h
linux/cifs/cifs_mount.h
linux/coresight-stm.h
linux/cryptouser.h
linux/fsmap.h
linux/genwqe/genwqe_card.h
linux/hash_info.h
linux/kcm.h
linux/kcov.h
linux/kfd_ioctl.h
linux/lightnvm.h
linux/module.h
linux/nbd-netlink.h
linux/nilfs2_api.h
linux/nilfs2_ondisk.h
linux/nsfs.h
linux/pr.h
linux/qrtr.h
linux/rpmsg.h
linux/sched/types.h
linux/sed-opal.h
linux/smc.h
linux/smc_diag.h
linux/stm.h
linux/switchtec_ioctl.h
linux/vfio_ccw.h
linux/wil6210_uapi.h
rdma/bnxt_re-abi.h
Note that I have removed from this list the files which are generated in every
exported directories (like .install or .install.cmd).
Thanks to Julien Floret <julien.floret@6wind.com> for the tip to get all
subdirs with a pure makefile command.
For the record, note that exported files for asm directories are a mix of
files listed by:
- include/uapi/asm-generic/Kbuild.asm;
- arch/<arch>/include/uapi/asm/Kbuild;
- arch/<arch>/include/asm/Kbuild.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Mark Salter <msalter@redhat.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This patch prepares the uapi export by fixing the following error:
.../linux/smc_diag.h:6:27: fatal error: rdma/ib_verbs.h: No such file or directory
#include <rdma/ib_verbs.h>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This patch prepares the uapi export by fixing the following errors:
.../linux/btrfs_tree.h:283:2: error: #error "UUID items require BTRFS_UUID_SIZE == 16!"
#error "UUID items require BTRFS_UUID_SIZE == 16!"
.../linux/btrfs_tree.h:390:12: error: ‘BTRFS_UUID_SIZE’ undeclared here (not in a function)
__u8 uuid[BTRFS_UUID_SIZE];
^
.../linux/btrfs_tree.h:796:16: error: ‘BTRFS_DEV_STAT_VALUES_MAX’ undeclared here (not in a function)
__le64 values[BTRFS_DEV_STAT_VALUES_MAX];
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Some files will be exported after a following patch. 0-day tests report the
following warning/error:
./usr/include/linux/bcache.h:8: include of <linux/types.h> is preferred over <asm/types.h>
./usr/include/linux/bcache.h:11: found __[us]{8,16,32,64} type without #include <linux/types.h>
./usr/include/linux/qrtr.h:8: found __[us]{8,16,32,64} type without #include <linux/types.h>
./usr/include/linux/cryptouser.h:39: found __[us]{8,16,32,64} type without #include <linux/types.h>
./usr/include/linux/pr.h:14: found __[us]{8,16,32,64} type without #include <linux/types.h>
./usr/include/linux/btrfs_tree.h:337: found __[us]{8,16,32,64} type without #include <linux/types.h>
./usr/include/rdma/bnxt_re-abi.h:45: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This option was added in commit c7bb349e7c ("kbuild: introduce destination-y
for exported headers") but never used in-tree.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
After the last three patches, all exported headers are under uapi/, thus
input-files2 are not needed anymore.
The side effect is that input-files1-name is exactly header-y.
Note also that input-files3-name is genhdr-y.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Even if this file was not in an uapi directory, it was exported because
it was listed in the Kbuild file.
Fixes: b72e7464e4 ("x86/uapi: Do not export <asm/msr-index.h> as part of the user API headers")
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This header file is exported, but from a userland pov, it's just a wrapper
to asm-generic/setup.h.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This header file is exported, thus move it to uapi.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
When formatting NVMe to 512B/4K + T10 DIf/DIX, dd with split op returns
"Input/output error". Looks block layer split the bio after calling
bio_integrity_prep(bio). This patch fixes the issue.
Below is how we debug this issue:
(1)format nvme to 4K block # size with type 2 DIF
(2)dd with block size bigger than 1024k.
oflag=direct
dd: error writing '/dev/nvme0n1': Input/output error
We added some debug code in nvme device driver. It showed us the first
op and the second op have the same bi and pi address. This is not
correct.
1st op: nvme0n1 Op:Wr slba 0x505 length 0x100, PI ctrl=0x1400,
dsmgmt=0x0, AT=0x0 & RT=0x505
Guard 0x00b1, AT 0x0000, RT physical 0x00000505 RT virtual 0x00002828
2nd op: nvme0n1 Op:Wr slba 0x605 length 0x1, PI ctrl=0x1400, dsmgmt=0x0,
AT=0x0 & RT=0x605 ==> This op fails and subsequent 5 retires..
Guard 0x00b1, AT 0x0000, RT physical 0x00000605 RT virtual 0x00002828
With the fix, It showed us both of the first op and the second op have
correct bi and pi address.
1st op: nvme2n1 Op:Wr slba 0x505 length 0x100, PI ctrl=0x1400,
dsmgmt=0x0, AT=0x0 & RT=0x505
Guard 0x5ccb, AT 0x0000, RT physical 0x00000505 RT virtual
0x00002828
2nd op: nvme2n1 Op:Wr slba 0x605 length 0x1, PI ctrl=0x1400, dsmgmt=0x0,
AT=0x0 & RT=0x605
Guard 0xab4c, AT 0x0000, RT physical 0x00000605 RT virtual
0x00003028
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
If PREEMPT_RCU is enabled, rcu_read_lock() isn't strong enough
for us to use this_cpu_ptr() in that section. Use the safer
get/put_cpu_ptr() variants instead.
Reported-by: Mike Galbraith <efault@gmx.de>
Fixes: 34dbad5d26 ("blk-stat: convert to callback-based statistics reporting")
Signed-off-by: Jens Axboe <axboe@fb.com>
We warn twice for switching to a scheduler, if that switch fails.
As we also report the failure in the return value to the
sysfs write, remove the dmesg induced failures.
Keep the failure print for warning to switch to the kconfig
selected IO scheduler, as we can't report errors for that in
any other way.
Signed-off-by: Jens Axboe <axboe@fb.com>
The introduction of the BFQ and Kyber I/O schedulers has triggered a
new wave of I/O benchmarks. Unfortunately, comments and discussions on
these benchmarks confirm that there is still little awareness that it
is very hard to achieve, at the same time, a low latency and a high
throughput. In particular, virtually all benchmarks measure
throughput, or throughput-related figures of merit, but, for BFQ, they
use the scheduler in its default configuration. This configuration is
geared, instead, toward a low latency. This is evidently a sign that
BFQ documentation is still too unclear on this important aspect. This
commit addresses this issue by stressing how BFQ configuration must be
(easily) changed if the only goal is maximum throughput.
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
In the function __bfq_deactivate_entity, the pointer
entity->sched_data could happen to be used before being properly
initialized. This led to a NULL pointer dereference. This commit fixes
this bug by just using this pointer only where it is safe to do so.
Reported-by: Tom Harrison <l12436.tw@gmail.com>
Tested-by: Tom Harrison <l12436.tw@gmail.com>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Free up kmalloc allocated memory if failure happens while handling L2P
table transfer in nvme_nvm_get_l2p_tbl.
Fixes: 8e79b5cb ("lightnvm: move block provisioning to targets")
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
In the previous patch we've implemented hwmode tracking a la i915 for
the vblank timestamp calculations. But that was just the basic
semantics, i915 has some nice sanity checks to make sure we keep
getting this right. Move them over too.
v2:
- WARN_ON_ONCE to avoid excessive spam (Ville)
- Really only WARN on atomic drivers.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-5-daniel.vetter@ffwll.ch
If we restrict this helper to only kms drivers (which is the case) we
can look up the correct mode easily ourselves. But it's a bit tricky:
- All legacy drivers look at crtc->hwmode. But that is updated already
at the beginning of the modeset helper, which means when we disable
a pipe. Hence the final timestamps might be a bit off. But since
this is an existing bug I'm not going to change it, but just try to
be bug-for-bug compatible with the current code. This only applies
to radeon&amdgpu.
- i915 tries to get it perfect by updating crtc->hwmode when the pipe
is off (i.e. vblank->enabled = false).
- All other atomic drivers look at crtc->state->adjusted_mode. Those
that look at state->requested_mode simply don't adjust their mode,
so it's the same. That has two problems: Accessing crtc->state from
interrupt handling code is unsafe, and it's updated before we shut
down the pipe. For nonblocking modesets it's even worse.
For atomic drivers try to implement what i915 does. To do that we add
a new hwmode field to the vblank structure, and update it from
drm_calc_timestamping_constants(). For atomic drivers that's called
from the right spot by the helper library already, so all fine. But
for safety let's enforce that.
For legacy driver this function is only called at the end (oh the
fun), which is broken, so again let's not bother and just stay
bug-for-bug compatible.
The benefit is that we can use drm_calc_vbltimestamp_from_scanoutpos
directly to implement ->get_vblank_timestamp in every driver, deleting
a lot of code.
v2: Completely new approach, trying to mimick the i915 solution.
v3: Fixup kerneldoc.
v4: Drop the WARN_ON to check that the vblank is off, atomic helpers
currently unconditionally call this. Recomputing the same stuff should
be harmless.
v5: Fix typos and move misplaced hunks to the right patches (Neil).
v6: Undo hunk movement (kbuild).
Cc: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Cc: Eric Anholt <eric@anholt.net>
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-4-daniel.vetter@ffwll.ch
This is going to be a bit too much, but good to have at least a small
note about where this should all head towards.
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-3-daniel.vetter@ffwll.ch
It's overkill to have a flag parameter which is essentially used just
as a boolean. This takes care of core + adjusting drivers.
Adjusting the scanout position callback is a bit harder, since radeon
also supplies it's own driver-private flags in there.
v2: Fixup misplaced hunks (Neil).
v3: kbuild says v1 was better ...
Cc: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Cc: Eric Anholt <eric@anholt.net>
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-2-daniel.vetter@ffwll.ch
There's really no reason for anything more:
- Calling this while the crtc vblank stuff isn't set up is a driver
bug. Those places alrready DRM_ERROR.
- Calling this when the crtc is off is either a driver bug (calling
drm_crtc_handle_vblank at the wrong time) or a core bug (for
anything else). Again, we DRM_ERROR.
- EINVAL is checked at higher levels already, and if we'd use struct
drm_crtc * instead of (dev, pipe) it would be real obvious that
those are again core bugs.
The only valid failure mode is crap hardware that couldn't sample a
useful timestamp, to ask the core to just grab a not-so-accurate
timestamp. Bool is perfectly fine for that.
v2: Also fix up the one caller, I lost that in the shuffling (Jani).
v3: Fixup commit message (Neil).
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Cc: Eric Anholt <eric@anholt.net>
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-1-daniel.vetter@ffwll.ch
With Laura's introduction of the fake platform device for importing
dmabuf, we add a second static that is logically tied to the vgem_device.
Convert vgem over to using the struct drm_device subclassing, so that
the platform device is stored inside its owner.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170508132228.9509-1-chris@chris-wilson.co.uk
Local variable use_gct is assigned to a constant value and it is never
updated again. Remove this variable and the dead code it guards.
Addresses-Coverity-ID: 145690
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170509152221.GA7618@embeddedgus
Perf can generate and record a user callchain in response to a synchronous
request, such as a tracepoint firing. If this happens under set_fs(KERNEL_DS),
then we can end up walking the user stack (and dereferencing/saving whatever we
find there) without the protections usually afforded by checks such as
access_ok.
Rather than play whack-a-mole with each architecture's stack unwinding
implementation, fix the root of the problem by ensuring that we force USER_DS
when invoking perf_callchain_user from the perf core.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Pull IDE updates from David Miller:
"Two small cleanups in the IDE layer"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
ide: don't call memcpy with the same source and destination
ide: use setup_timer
Pull sparc updates from David Miller:
"sparc changes, including a bug fix for handling exceptions during
bzero on some sparc64 cpus"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: fix fault handling in NGbzero.S and GENbzero.S
sparc: use memdup_user_nul in sun4m LED driver
sparc: Remove redundant tests in boot_flags_init().
Pull networking fixes from David Miller:
1) Fix multiqueue in stmmac driver on PCI, from Andy Shevchenko.
2) cdc_ncm doesn't actually fully zero out the padding area is
allocates on TX, from Jim Baxter.
3) Don't leak map addresses in BPF verifier, from Daniel Borkmann.
4) If we randomize TCP timestamps, we have to do it everywhere
including SYN cookies. From Eric Dumazet.
5) Fix "ethtool -S" crash in aquantia driver, from Pavel Belous.
6) Fix allocation size for ntp filter bitmap in bnxt_en driver, from
Dan Carpenter.
7) Add missing memory allocation return value check to DSA loop driver,
from Christophe Jaillet.
8) Fix XDP leak on driver unload in qed driver, from Suddarsana Reddy
Kalluru.
9) Don't inherit MC list from parent inet connection sockets, another
syzkaller spotted gem. Fix from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
dccp/tcp: do not inherit mc_list from parent
qede: Split PF/VF ndos.
qed: Correct doorbell configuration for !4Kb pages
qed: Tell QM the number of tasks
qed: Fix VF removal sequence
qede: Fix XDP memory leak on unload
net/mlx4_core: Reduce harmless SRIOV error message to debug level
net/mlx4_en: Avoid adding steering rules with invalid ring
net/mlx4_en: Change the error print to debug print
drivers: net: wimax: i2400m: i2400m-usb: Use time_after for time comparison
DECnet: Use container_of() for embedded struct
Revert "ipv4: restore rt->fi for reference counting"
net: mdio-mux: bcm-iproc: call mdiobus_free() in error path
net: ethernet: ti: cpsw: adjust cpsw fifos depth for fullduplex flow control
ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf
net: cdc_ncm: Fix TX zero padding
stmmac: pci: split out common_default_data() helper
stmmac: pci: RX queue routing configuration
stmmac: pci: TX and RX queue priority configuration
stmmac: pci: set default number of rx and tx queues
...
This time again a smaller update consisting of:
- support for TI DA8xx dma controller and updates to the cppi driver
- updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor, ioat,
dmatest
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Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time again a smaller update consisting of:
- support for TI DA8xx dma controller and updates to the cppi driver
- updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor,
ioat, dmatest"
* tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (35 commits)
dmaengine: pl08x: remove lock documentation
dmaengine: pl08x: fix pl08x_dma_chan_state documentation
dmaengine: pl08x: Use the BIT() macro consistently
dmaengine: pl080: Fix some missing kerneldoc
dmaengine: pl080: Cut some unused defines
dmaengine: dmatest: Add check for supported buffer count (sg_buffers)
dmaengine: dmatest: Select DMA_ENGINE_RAID as its needed for the slave_sg test
dmaengine: virt-dma: Convert to use list_for_each_entry_safe()
dma-debug: use offset_in_page() macro
dmaengine: mv_xor: use offset_in_page() macro
dmaengine: dmatest: use offset_in_page() macro
dmaengine: sun4i: fix invalid argument
dmaengine: ioat: use setup_timer
dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe()
dmaengine: pl330: remove pdata based initialization
dmaengine: cppi: fix build error due to bad variable
dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped
dmaengine: cppi41: use managed functions devm_*()
dmaengine: cppi41: fix cppi41_dma_tx_status() logic
dmaengine: qcom_hidma: pause the channel on shutdown
...
Adds a new driver for the PWM controller found on MediaTek SoCs and
extends support for the Atmel PWM controller to include the SAMA5D2.
Some existing drivers have been migrated to the atomic API and a few
others see miscellaneous improvements.
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Merge tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Adds a new driver for the PWM controller found on MediaTek SoCs and
extends support for the Atmel PWM controller to include the SAMA5D2.
Some existing drivers have been migrated to the atomic API and a few
others see miscellaneous improvements"
* tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: tegra: Read PWM clock source rate in driver init
pwm: pca9685: Fix GPIO-only operation
pwm: mediatek: Don't explicitly set .owner
pwm: tegra: Avoid potential overflow for short periods
pwm: tegra: Add support to configure pin state in suspends/resume
pwm: tegra: Add DT binding details to configure pin in suspends/resume
pwm: tegra: Increase precision in PWM rate calculation
pwm: tegra: Use DIV_ROUND_CLOSEST_ULL() instead of local implementation
pwm: Add MediaTek PWM support
dt-bindings: pwm: Add MediaTek PWM bindings
pwm: atmel: Enable PWM on sama5d2
pwm: atmel: Switch to atomic PWM
pwm: atmel-hlcdc: Implement the suspend/resume hooks
pwm: atmel-hlcdc: Convert to the atomic PWM API
This includes:
* Some code optimizations for the Intel VT-d driver
* Code to switch off a previously enabled Intel IOMMU
* Support for 'struct iommu_device' for OMAP, Rockchip and
Mediatek IOMMUs
* Some header optimizations for IOMMU core code headers and a
few fixes that became necessary in other parts of the kernel
because of that
* ACPI/IORT updates and fixes
* Some Exynos IOMMU optimizations
* Code updates for the IOMMU dma-api code to bring it closer to
use per-cpu iova caches
* New command-line option to set default domain type allocated
by the iommu core code
* Another command line option to allow the Intel IOMMU switched
off in a tboot environment
* ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using
an IDENTITY domain in conjunction with DMA ops, Support for
SMR masking, Support for 16-bit ASIDs (was previously broken)
* Various other small fixes and improvements
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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- code optimizations for the Intel VT-d driver
- ability to switch off a previously enabled Intel IOMMU
- support for 'struct iommu_device' for OMAP, Rockchip and Mediatek
IOMMUs
- header optimizations for IOMMU core code headers and a few fixes that
became necessary in other parts of the kernel because of that
- ACPI/IORT updates and fixes
- Exynos IOMMU optimizations
- updates for the IOMMU dma-api code to bring it closer to use per-cpu
iova caches
- new command-line option to set default domain type allocated by the
iommu core code
- another command line option to allow the Intel IOMMU switched off in
a tboot environment
- ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using an
IDENTITY domain in conjunction with DMA ops, Support for SMR masking,
Support for 16-bit ASIDs (was previously broken)
- various other small fixes and improvements
* tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (63 commits)
soc/qbman: Move dma-mapping.h include to qman_priv.h
soc/qbman: Fix implicit header dependency now causing build fails
iommu: Remove trace-events include from iommu.h
iommu: Remove pci.h include from trace/events/iommu.h
arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops()
ACPI/IORT: Fix CONFIG_IOMMU_API dependency
iommu/vt-d: Don't print the failure message when booting non-kdump kernel
iommu: Move report_iommu_fault() to iommu.c
iommu: Include device.h in iommu.h
x86, iommu/vt-d: Add an option to disable Intel IOMMU force on
iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed
iommu/arm-smmu: Correct sid to mask
iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
iommu: Make iommu_bus_notifier return NOTIFY_DONE rather than error code
omap3isp: Remove iommu_group related code
iommu/omap: Add iommu-group support
iommu/omap: Make use of 'struct iommu_device'
iommu/omap: Store iommu_dev pointer in arch_data
iommu/omap: Move data structures to omap-iommu.h
iommu/omap: Drop legacy-style device support
...
* acpica:
ACPICA: Update version to 20170303
ACPICA: iasl: add ASL conversion tool
ACPICA: Local cache support: Allow small cache objects
ACPICA: Disassembler: Do not unconditionally remove temporary names
ACPICA: iasl: Fix IORT SMMU GSI disassembling
ACPICA: Cleanup AML opcode definitions, no functional change
ACPICA: Debugger: Add interpreter blocking mark for single-step mode
ACPICA: debugger: fix memory leak on Pathname
ACPICA: Update for automatic repair code for objects returned by evaluate_object
ACPICA: Namespace: fix operand cache leak
ACPICA: Fix several incorrect invocations of ACPICA return macro
ACPICA: Fix a module for excessive debug output
ACPICA: Update some function headers, no funtional change
ACPICA: Disassembler: Enhance resource descriptor detection
ACPICA: Add non-linux host build support
* pm-domains:
PM / Domains: Add DT file to MAINTAINERS
PM / Domains: Fix DT example
* pm-cpuidle:
x86/intel_idle: add Gemini Lake support
cpuidle: check dev before usage in cpuidle_use_deepest_state()
* pm-sleep:
ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle
PM / wakeup: Integrate mechanism to abort transitions in progress
* powercap:
powercap: intel_rapl: Add support for Gemini Lake
UBSAN: Undefined behaviour in fs/nfsd/nfs4proc.c:1262:34
shift exponent 128 is too large for 32-bit type 'int'
Depending on compiler+architecture, this may cause the check for
layout_type to succeed for overly large values (which seems to be the
case with amd64). The large value will be later used in de-referencing
nfsd4_layout_ops for function pointers.
Reported-by: Jani Tuovila <tuovila@synopsys.com>
Signed-off-by: Ari Kauppi <ari@synopsys.com>
[colin.king@canonical.com: use LAYOUT_TYPE_MAX instead of 32]
Cc: stable@vger.kernel.org
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Layoutstats is always desirable when using the flexfiles driver, so
we should enable it if that driver is being loaded. It is safe to do
so, because even when the mount specifies NFSv4.1, we will turn it
off if the server tells us it is unsupported.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
It turns out the Linux server has a bug in its implementation of
supattr_exclcreat; it returns the set of all attributes, whether
or not they are supported by minor version 1.
In order to avoid a regression, we therefore apply the supported_attrs
as a mask on top of whatever the server sent us.
Reported-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
While converting the deviceiobook from DocBook to RST, dangling
references were left behind. This commit updates all remaining
references to the new location. SeongJae Park improved the ko_KR
translation.
Fixes: 8a8a602fdb ("docs: Convert the deviceio template to RST")
Signed-off-by: Helmut Grohne <h.grohne@intenta.de>
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The Marvell Armada 3700 UART uses "ar3700_uart" for its earlycon name.
Adjust documentation to match the code.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The input subsystem documentation got converted into ReST.
Add it to the main documentation index and use kernel-figure
for the two svg images there.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
syzkaller found a way to trigger double frees from ip_mc_drop_socket()
It turns out that leave a copy of parent mc_list at accept() time,
which is very bad.
Very similar to commit 8b485ce698 ("tcp: do not inherit
fastopen_req from parent")
Initial report from Pray3r, completed by Andrey one.
Thanks a lot to them !
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Pray3r <pray3r.z@gmail.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When any of the functions contained in NGbzero.S and GENbzero.S
vector through *bzero_from_clear_user, we may end up taking a
fault when executing one of the store alternate address space
instructions. If this happens, the exception handler does not
restore the %asi register.
This commit fixes the issue by introducing a new exception
handler that ensures the %asi register is restored when
a fault is handled.
Orabug: 25577560
Signed-off-by: Dave Aldridge <david.j.aldridge@oracle.com>
Reviewed-by: Rob Gardner <rob.gardner@oracle.com>
Reviewed-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use memdup_user_nul() helper instead of open-coding to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- AXS10x platform clk updates for I2S, PGU
- Adding region based cache flush operation for ARCv2 cores
- Enforcing PAE40 dependency on HIGHMEM
- ptrace support for additional regs in ARCv2 cores
- Fix build failure in linux-next dut to a header include ordering change
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Merge tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- AXS10x platform clk updates for I2S, PGU
- add region based cache flush operation for ARCv2 cores
- enforce PAE40 dependency on HIGHMEM
- ptrace support for additional regs in ARCv2 cores
- fix build failure in linux-next dut to a header include ordering
change
* tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
Revert "ARCv2: Allow enabling PAE40 w/o HIGHMEM"
ARC: mm: fix build failure in linux-next for UP builds
ARCv2: ptrace: provide regset for accumulator/r30 regs
elf: Add ARCv2 specific core note section
ARCv2: mm: micro-optimize region flush generated code
ARCv2: mm: Merge 2 updates to DC_CTRL for region flush
ARCv2: mm: Implement cache region flush operations
ARC: mm: Move full_page computation into cache version agnostic wrapper
arc: axs10x: Fix ARC PGU default clock frequency
arc: axs10x: Add DT bindings for I2S audio playback
Commit 11e63f6d92 added cache flushing for unaligned writes from an
iovec, covering the first and last cache line of a >= 8 byte write and
the first cache line of a < 8 byte write. But an unaligned write of
2-7 bytes can still cover two cache lines, so make sure we flush both
in that case.
Cc: <stable@vger.kernel.org>
Fixes: 11e63f6d92 ("x86, pmem: fix broken __copy_user_nocache ...")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch of smaller
changes, but also some new platforms that are worth mentioning:
* Rockchip RK3399 platforms for Chromebooks, including Samsung Chromebook
Plus (Kevin)
* Orange Pi PC2 (Allwinner H5)
* Freescale LS2088A and LS1088A SoCs
* Expanded support for Nvidia Tegra186 (and Jetson TX2)
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 64-bit DT updates from Olof Johansson:
"Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch
of smaller changes, but also some new platforms that are worth
mentioning:
- Rockchip RK3399 platforms for Chromebooks, including Samsung
Chromebook Plus (Kevin)
- Orange Pi PC2 (Allwinner H5)
- Freescale LS2088A and LS1088A SoCs
- Expanded support for Nvidia Tegra186 (and Jetson TX2)"
* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (180 commits)
arm64: dts: Add basic DT to support Spreadtrum's SP9860G
arm64: dts: exynos: Use - instead of @ for DT OPP entries
arm64: dts: exynos: Add support for s6e3hf2 panel device on TM2e board
arm64: dts: juno: add information about L1 and L2 caches
arm64: dts: juno: fix few unit address format warnings
arm64: marvell: dts: enable the crypto engine on the Armada 8040 DB
arm64: marvell: dts: enable the crypto engine on the Armada 7040 DB
arm64: marvell: dts: add crypto engine description for 7k/8k
arm64: dts: marvell: add sdhci support for Armada 7K/8K
arm64: dts: marvell: add eMMC support for Armada 37xx
arm64: dts: hisi: add pinctrl dtsi file for HiKey960 development board
arm64: dts: hisi: add drive strength levels of the pins for Hi3660 SoC
arm64: dts: hisi: enable the NIC and SAS for the hip07-d05 board
arm64: dts: hisi: add SAS nodes for the hip07 SoC
arm64: dts: hisi: add RoCE nodes for the hip07 SoC
arm64: dts: hisi: add network related nodes for the hip07 SoC
arm64: dts: hisi: add mbigen nodes for the hip07 SoC
arm64: dts: rockchip: fix the memory size of PX5 Evaluation board
arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board
dt-bindings: arm: hisilicon: add bindings for hi3798cv200 SoC and Poplar board
...
Changes to platform code for 64-bit ARM platforms.
Most of these are small changes to the one defconfig we use on arm64
(no per-platform configs there), to enable new drivers.
There are also a few other changes. Broadcom sold off their 'Vulcan'
design to Cavium, where it is now called ThunderX2. While we normally
don't rename stuff based on marketing's whims, it seemed appropriate to
bring in renames on a few things such as MAINTAINERS, etc.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC 64-bit changes from Olof Johansson:
"Changes to platform code for 64-bit ARM platforms.
Most of these are small changes to the one defconfig we use on arm64
(no per-platform configs there), to enable new drivers.
There are also a few other changes. Broadcom sold off their 'Vulcan'
design to Cavium, where it is now called ThunderX2. While we normally
don't rename stuff based on marketing's whims, it seemed appropriate
to bring in renames on a few things such as MAINTAINERS, etc"
* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: sunxi: always enable reset controller
arm64: defconfig: enable the Safexcel crypto engine as a module
arm64: configs: enable SDHCI driver for Xenon
MAINTAINERS: Broadcom Vulcan is now Cavium ThunderX2
arm64: defconfig: add Allwinner USB PHY
arm64: defconfig: enable MVPP2
arm64: defconfig: Enable video, DRM and LPASS drivers for Exynos5433 and Exynos7
arm64: exynos: Enable Exynos PMU and PM domains drivers
arm64: only select PINCTRL for Allwinner platforms
arm64: set CONFIG_MMC_BCM2835=y in defconfig
arm64: defconfig: enable I2C_PXA
arm64: defconfig: enable MVNETA
ARM64: defconfig: enable the leds-pwm driver and default-on trigger
arm64: defconfig: Enable SH Mobile I2C controller
Driver updates for ARM SoCs.
* Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
* PATA driver for Palmchip BK371 (acked by Tejun)
* Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
* PMC support for Tegra186
* SoC detection support for Renesas RZ/G1H and RZ/G1N
* Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
* Misc smaller tweaks for other platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs:
Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
PATA driver for Palmchip BK371 (acked by Tejun)
Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
PMC support for Tegra186
SoC detection support for Renesas RZ/G1H and RZ/G1N
Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
Misc smaller tweaks for other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
soc: pm-domain: Fix the mangled urls
soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
soc: renesas: rcar-sysc: Add support for fixing up power area tables
soc: renesas: Register SoC device early
soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
soc: imx: gpc: add defines for domain index
soc: imx: Add GPCv2 power gating driver
dt-bindings: Add GPCv2 power gating driver
ARM/clk: move the ICST library to drivers/clk
ARM: plat-versatile: remove stale clock header
ARM: keystone: Drop PM domain support for k2g
soc: ti: Add ti_sci_pm_domains driver
dt-bindings: Add TI SCI PM Domains
PM / Domains: Do not check if simple providers have phandle cells
PM / Domains: Add generic data pointer to genpd data struct
soc/tegra: Add initial flowctrl support for Tegra132/210
soc/tegra: flowctrl: Add basic platform driver
soc/tegra: Move Tegra flowctrl driver
ARM: tegra: Remove unnecessary inclusion of flowctrl header
...
We've traditionally kept defconfig updates in a separate branch, often to
encourage submaintainers to handle those patches separately to avoid conflicts
on the shared files. The amount of changes seem to be decreasing though, so
we might rethink how we handle this going forward.
There really isn't much to write about here. The bulk of changes here
are enabling drivers for whatever platforms the hardware is found on
(and multi-configs).
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM: SoC defconfig updates from Olof Johansson:
"We've traditionally kept defconfig updates in a separate branch, often
to encourage submaintainers to handle those patches separately to
avoid conflicts on the shared files. The amount of changes seem to be
decreasing though, so we might rethink how we handle this going
forward.
There really isn't much to write about here. The bulk of changes here
are enabling drivers for whatever platforms the hardware is found on
(and multi-configs)"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
multi_v7_defconfig: make Rockchip usb2-phy built-in
ARM: omap2plus_defconfig: Enable droid 4 devices
ARM: omap2plus_defconfig: Add QMI, ACM and PPP as loadable modules
ARM: configs: aspeed: Add new drivers
ARM: configs: aspeed: Update configs for BMC systems
ARM: omap2plus_defconfig: Enable TI Ethernet PHY
ARM: configs: Add new config fragment to change RAM start point
ARM: configs: stm32: Add I2C support
multi_v7_defconfig: make Rockchip DRM drivers built-in
ARM: configs: stm32: Set CPU_V7M_NUM_IRQ to max value
ARM: imx_v6_v7_defconfig: Select SMSC_PHY
ARM: davinci_all_defconfig: convert to use libata PATA
ARM: qcom_defconfig: Enable Qualcomm remoteproc and related drivers
ARM: omap2plus_defconfig: enable ahci-dm816 module
arm: set CONFIG_MMC_BCM2835=y in bcm2835_defconfig and multi_v7_defconfig
ARM: bcm2835: Enable missing CMA settings for VC4 driver
ARM: socfpga: updates for socfpga_defconfig
ARM: imx_v6_v7_defconfig: Select hid-multitouchdriver
ARM: imx_v6_v7_defconfig: Select max11801_ts touchscreen driver
ARM: exynos_defconfig: Increase CONFIG_CMA_SIZE_MBYTES to 96
...
Nicolas Dichtel