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Pull KVM fixes from Radim Krčmář:
"ARM:
- Fix for timer setup on VHE machines
- Drop spurious warning when the timer races against the vcpu running
again
- Prevent a vgic deadlock when the initialization fails (for stable)
s390:
- Fix a kernel memory exposure (for stable)
x86:
- Fix exception injection when hypercall instruction cannot be
patched"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: s390: do not expose random data via facility bitmap
KVM: x86: fix fixing of hypercalls
KVM: arm/arm64: vgic: Fix deadlock on error handling
KVM: arm64: Access CNTHCTL_EL2 bit fields correctly on VHE systems
KVM: arm/arm64: Fix occasional warning from the timer work function
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git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux
Pull SCSI target fixes from Bart Van Assche:
- two small fixes for the ibmvscsis driver
- ten patches with bug fixes for the target mode of the qla2xxx driver
- four patches that avoid that the "sparse" and "smatch" static
analyzer tools report false positives for the qla2xxx code base
* 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux:
qla2xxx: Disable out-of-order processing by default in firmware
qla2xxx: Fix erroneous invalid handle message
qla2xxx: Reduce exess wait during chip reset
qla2xxx: Terminate exchange if corrupted
qla2xxx: Fix crash due to null pointer access
qla2xxx: Collect additional information to debug fw dump
qla2xxx: Reset reserved field in firmware options to 0
qla2xxx: Set tcm_qla2xxx version to automatically track qla2xxx version
qla2xxx: Include ATIO queue in firmware dump when in target mode
qla2xxx: Fix wrong IOCB type assumption
qla2xxx: Avoid that building with W=1 triggers complaints about set-but-not-used variables
qla2xxx: Move two arrays from header files to .c files
qla2xxx: Declare an array with file scope static
qla2xxx: Fix indentation
ibmvscsis: Fix sleeping in interrupt context
ibmvscsis: Fix max transfer length
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Pull block fixes from Jens Axboe:
"Just two small fixes for this -rc.
One is just killing an unused variable from Keith, but the other
fixes a performance regression for nbd in this series, where we
inadvertently flipped when we set MSG_MORE when outputting data"
* 'for-linus' of git://git.kernel.dk/linux-block:
nbd: only set MSG_MORE when we have more to send
blk-mq: Remove unused variable
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"The usual small smattering of driver specific fixes. A few bits that
stand out here:
- the R-Car patches adding fallbacks are just adding new compatible
strings to the driver so that device trees are written in a more
robustly future proof fashion, this isn't strictly a fix but it's
just new IDs and it's better to get it into mainline sooner to
improve the ABI
- the DesignWare "switch to new API part 2" patch is actually a
misleadingly titled fix for a bit that got missed in the original
conversion"
* tag 'spi-fix-v4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: davinci: use dma_mapping_error()
spi: spi-axi: Free resources on error path
spi: pxa2xx: add missed break
spi: dw-mid: switch to new dmaengine_terminate_* API (part 2)
spi: dw: Make debugfs name unique between instances
spi: sh-msiof: Do not use C++ style comment
spi: armada-3700: Set mode bits correctly
spi: armada-3700: fix unsigned compare than zero on irq
spi: sh-msiof: Add R-Car Gen 2 and 3 fallback bindings
spi: SPI_FSL_DSPI should depend on HAS_DMA
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Pull ceph fixes from Ilya Dryomov:
"Three filesystem endianness fixes (one goes back to the 2.6 era, all
marked for stable) and two fixups for this merge window's patches"
* tag 'ceph-for-4.10-rc5' of git://github.com/ceph/ceph-client:
ceph: fix bad endianness handling in parse_reply_info_extra
ceph: fix endianness bug in frag_tree_split_cmp
ceph: fix endianness of getattr mask in ceph_d_revalidate
libceph: make sure ceph_aes_crypt() IV is aligned
ceph: fix ceph_get_caps() interruption
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Any bridge options specified during link creation (e.g. ip link add)
are ignored as br_dev_newlink() does not process them.
Use br_changelink() to do it.
Fixes: 133235161721 ("bridge: implement rtnl_link_ops->changelink")
Signed-off-by: Ivan Vecera <cera@cera.cz>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fix from Miklos Szeredi:
"This fixes a regression introduced in this cycle"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix possible use after free on redirect dir lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"Fix two regressions, one introduced in 4.9 and a less recent one in
4.2"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix time_to_jiffies nsec sanity check
fuse: clear FR_PENDING flag when moving requests out of pending queue
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of 12 fixes including the mpt3sas one that was causing
hangs on ATA passthrough.
The others are a couple of zoned block device fixes, a SAS device
detection bug which lead to SATA drives not being matched to bays, two
qla2xxx MSI fixes, a qla2xxx req for rsp confusion caused by cut and
paste, and a few other minor fixes"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mpt3sas: fix hang on ata passthrough commands
scsi: lpfc: Set elsiocb contexts to NULL after freeing it
scsi: sd: Ignore zoned field for host-managed devices
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
scsi: bfa: fix wrongly initialized variable in bfad_im_bsg_els_ct_request()
scsi: ses: Fix SAS device detection in enclosure
scsi: libfc: Fix variable name in fc_set_wwpn
scsi: lpfc: avoid double free of resource identifiers
scsi: qla2xxx: remove irq_affinity_notifier
scsi: qla2xxx: fix MSI-X vector affinity
scsi: qla2xxx: Fix apparent cut-n-paste error.
scsi: qla2xxx: Get mutex lock before checking optrom_state
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- avoid potential stack information leak via the ptrace ABI caused by
uninitialised variables
- SWIOTLB DMA API fall-back allocation fix when the SWIOTLB buffer is
not initialised (all RAM is suitable for 32-bit DMA masks)
- fix the bad_mode function returning for unhandled exceptions coming
from user space
- fix name clash in __page_to_voff()
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: avoid returning from bad_mode
arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
arm64/ptrace: Preserve previous registers for short regset write
arm64/ptrace: Preserve previous registers for short regset write
arm64/ptrace: Preserve previous registers for short regset write
arm64: mm: avoid name clash in __page_to_voff()
arm64: Fix swiotlb fallback allocation
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During an OOM scenario, request slots could not be created as skb
allocation fails. So the netback cannot pass in packets and netfront
wrongly assumes that there is no more work to be done and it disables
polling. This causes Rx to stall.
The issue is with the retry logic which schedules the timer if the
created slots are less than NET_RX_SLOTS_MIN. The count of new request
slots to be pushed are calculated as a difference between new req_prod
and rsp_cons which could be more than the actual slots, if there are
unconsumed responses.
The fix is to calculate the count of newly created slots as the
difference between new req_prod and old req_prod.
Signed-off-by: Vineeth Remanan Pillai <vineethp@amazon.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A driver using dev_alloc_page() must not reuse a page allocated from
emergency memory reserve.
Otherwise all packets using this page will be immediately dropped,
unless for very specific sockets having SOCK_MEMALLOC bit set.
This issue might be hard to debug, because only a fraction of received
packets would be dropped.
Fixes: 4415a0319f92 ("net/mlx5e: Implement RX mapped page cache for page recycle")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix build errors for samples/bpf xdp_tx_iptunnel and tc_l2_redirect,
when dynamic debugging is enabled (CONFIG_DYNAMIC_DEBUG) by defining a
fake KBUILD_MODNAME.
Just like Daniel Borkmann fixed other samples/bpf in commit
96a8eb1eeed2 ("bpf: fix samples to add fake KBUILD_MODNAME").
Fixes: 12d8bb64e3f6 ("bpf: xdp: Add XDP example for head adjustment")
Fixes: 90e02896f1a4 ("bpf: Add test for bpf_redirect to ipip/ip6tnl")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: Fix for 4.10 (via kvm/master)
Fix a kernel memory exposure.
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gcc-7 and probably earlier versions get confused by this function
and print a harmless warning:
drivers/net/ethernet/broadcom/bcm63xx_enet.c: In function 'bcm_enet_open':
drivers/net/ethernet/broadcom/bcm63xx_enet.c:1130:3: error: 'phydev' may be used uninitialized in this function [-Werror=maybe-uninitialized]
This adds an initialization for the 'phydev' variable when it is unused
and changes the check to test for that NULL pointer to make it clear
that we always pass a valid pointer here.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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struct qed_ll2_info is rather large, so putting it on the stack
can cause an overflow, as this warning tries to tell us:
drivers/net/ethernet/qlogic/qed/qed_ll2.c: In function 'qed_ll2_start':
drivers/net/ethernet/qlogic/qed/qed_ll2.c:2159:1: error: the frame size of 1056 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
qed_ll2_start_ooo() already uses a dynamic allocation for the structure
to work around that problem, and we could do the same in qed_ll2_start()
as well as qed_roce_ll2_start(), but since the structure is only
used to pass a couple of initialization values here, it seems nicer
to replace it with a different structure.
Lacking any idea for better naming, I'm adding 'struct qed_ll2_conn',
which now contains all the initialization data, and this now simply
gets copied into struct qed_ll2_info rather than assigning all members
one by one.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 0e73fc9a56f22f2eec4d2b2910c649f7af67b74d.
This fix wasn't correct, a better one is coming right up.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The comparison on the timeout can lead to an array overrun
read on sctp_timer_tbl because of an off-by-one error. Fix
this by using < instead of <= and also compare to the array
size rather than SCTP_EVENT_TIMEOUT_MAX.
Fixes CoverityScan CID#1397639 ("Out-of-bounds read")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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seg6_genl_get_tunsrc() and set_tun_src() do not handle tun_src being
possibly NULL, so we must check kmemdup() return value and abort if
it is NULL
Fixes: 915d7e5e5930 ("ipv6: sr: add code base for control plane support of SR-IPv6")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: David Lebrun <david.lebrun@uclouvain.be>
Acked-by: David Lebrun <david.lebrun@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The rtl8152_post_reset() should sumbit rx urb and interrupt transfer,
otherwise the rx wouldn't work and the linking change couldn't be
detected.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 501db511397f ("virtio: don't set VIRTIO_NET_HDR_F_DATA_VALID on
xmit") in fact disables VIRTIO_HDR_F_DATA_VALID on receiving path too,
fixing this by adding a hint (has_data_valid) and set it only on the
receiving path.
Cc: Rolf Neugebauer <rolf.neugebauer@docker.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kvm_s390_get_machine() populates the facility bitmap by copying bytes
from the host results that are stored in a 256 byte array in the prefix
page. The KVM code does use the size of the target buffer (2k), thus
copying and exposing unrelated kernel memory (mostly machine check
related logout data).
Let's use the size of the source buffer instead. This is ok, as the
target buffer will always be greater or equal than the source buffer as
the KVM internal buffers (and thus S390_ARCH_FAC_LIST_SIZE_BYTE) cover
the maximum possible size that is allowed by STFLE, which is 256
doublewords. All structures are zero allocated so we can leave bytes
256-2047 unchanged.
Add a similar fix for kvm_arch_init_vm().
Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
[found with smatch]
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
CC: stable@vger.kernel.org
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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The warn on is a bit too much, we will anyway set the dma mask if not set
previously.
The main reason for this fix is that 4.10-rc1 has a dwc3 change that
pass a parent sysdev dev pointer instead of setting the dma mask of
its xhci platform device. xhci platform driver can then get more
attributes from the sysdev than just the dma mask.
The usb core and xhci changes are not yet in 4.10, and a fix like
this was preferred instead of taking those big changes this late in
the rc-cycle.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In xen_swiotlb_map_page and xen_swiotlb_map_sg_attrs, if the original
page is not suitable, we swap it for another page from the swiotlb
pool.
In these cases, we don't update the previously calculated dma address
for the page before calling xen_dma_map_page. Thus, we end up calling
xen_dma_map_page passing the wrong dev_addr, resulting in
xen_dma_map_page mistakenly assuming that the page is foreign when it is
local.
Fix the bug by updating dev_addr appropriately.
This change has no effect on x86, because xen_dma_map_page is a stub
there.
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Pooya Keshavarzi <Pooya.Keshavarzi@de.bosch.com>
Tested-by: Pooya Keshavarzi <Pooya.Keshavarzi@de.bosch.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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DECON_TV requires STANDALONE_UPDATE after output enabling, otherwise it does
not start. This change is neutral for DECON.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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DECON_CMU register has reserved bits which should not be zeroed, otherwise
IP can behave strangely and cause IOMMU faults.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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decon_commit is called just after reset so video is disabled anyway.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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IBM bit 31 (for the rest of us - bit 0) is a reserved field in the
instruction definition of mtspr and mfspr. Hardware is encouraged to
(and does) ignore it.
As a result, if userspace executes an mtspr DSCR with the reserved bit
set, we get a DSCR facility unavailable exception. The kernel fails to
match against the expected value/mask, and we silently return to
userspace to try and re-execute the same mtspr DSCR instruction. We
loop forever until the process is killed.
We should do something here, and it seems mirroring what hardware does
is the better option vs killing the process. While here, relax the
matching of mfspr PVR too.
Cc: stable@vger.kernel.org
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Ensure that if userspace supplies insufficient data to PTRACE_SETREGSET
to fill all the check pointed registers, the thread's old check pointed
registers are preserved.
Fixes: 9d3918f7c0e5 ("powerpc/ptrace: Enable support for NT_PPC_CVSX")
Fixes: 19cbcbf75a0c ("powerpc/ptrace: Enable support for NT_PPC_CFPR")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Ensure that if userspace supplies insufficient data to PTRACE_SETREGSET
to fill all the registers, the thread's old registers are preserved.
Fixes: c6e6771b87d4 ("powerpc: Introduce VSX thread_struct and CONFIG_VSX")
Cc: stable@vger.kernel.org # v2.6.27+
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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There is a hidden logic for acpi_tb_install_standard_table() as it can be
invoked from the boot stage and during runtime.
1. When it is invoked from the OS boot stage, the ACPICA mutex may not have
been initialized yet and so acpi_ut_acquire_mutex()/acpi_ut_release_mutex()
are not invoked in these code paths:
acpi_initialize_tables
acpi_tb_parse_root_table
acpi_tb_install_standard_table (4 invocations)
acpi_install_table
acpi_tb_install_standard_table
2. When it is invoked during the runtime, ACPICA mutex is used as
appropriate:
acpi_ex_load_op
acpi_tb_install_and_load_table
acpi_tb_install_standard_table
acpi_load_table
acpi_tb_install_and_load_table
acpi_tb_install_standard_table
The mutex is now used in acpi_tb_install_and_load_table(), while it actually
should be in acpi_tb_install_standard_table().
This introduces another problem in acpi_tb_install_standard_table() where
acpi_gbl_table_handler is invoked from and the lock contexts are thus not
consistent for the table handlers. This triggers a regression when
acpi_get_table()/acpi_put_table() start to hold table mutex during runtime.
The regression is noticed by LKP as new errors reported by ACPICA mutex
debugging facility.
[ 2.043693] ACPI Error: Mutex [ACPI_MTX_Tables] already acquired by this thread [497483776] (20160930/utmutex-254)
[ 2.054084] ACPI Error: Mutex [0x2] is not acquired, cannot release (20160930/utmutex-326)
And it triggers a deadlock:
[ 247.066214] INFO: task swapper/0:1 blocked for more than 120 seconds.
...
[ 247.091271] Call Trace:
...
[ 247.121523] down_timeout+0x47/0x50
[ 247.125065] acpi_os_wait_semaphore+0x47/0x62
[ 247.129475] acpi_ut_acquire_mutex+0x43/0x81
[ 247.133798] acpi_get_table+0x2d/0x84
[ 247.137513] acpi_table_attr_init+0xcd/0x100
[ 247.146590] acpi_sysfs_table_handler+0x5d/0xb8
[ 247.151174] acpi_bus_table_handler+0x23/0x2a
[ 247.155583] acpi_tb_install_standard_table+0xe0/0x213
[ 247.164489] acpi_tb_install_and_load_table+0x3a/0x82
[ 247.169592] acpi_ex_load_op+0x194/0x201
...
[ 247.200108] acpi_ns_evaluate+0x1bb/0x247
[ 247.204170] acpi_evaluate_object+0x178/0x274
[ 247.213249] acpi_processor_set_pdc+0x154/0x17b
...
The table mutex is held in acpi_tb_install_and_load_table() and is re-visited by
acpi_get_table().
Noticing that the early mutex requirement actually belongs to the OSL layer
and has already been handled in acpi_os_wait_semaphore()/acpi_os_signal_semaphore(),
the regression canbe fixed by removing this hidden logic from the ACPICA core
to the OS-specific code.
Fixes: 174cc7187e6f ("ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel")
Reported-and-tested-by: Tomi Sarvela <tomi.p.sarvela@intel.com>
Reported-by: Ye Xiaolong <xiaolong.ye@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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A side effect of keeping intel_pstate sysfs limits in sync with cpufreq
is that the now sysfs limits can't enforced under performance policy.
For example, if the max_perf_pct is changed from 100 to 80, this will call
intel_pstate_set_policy(), which will change the max_perf to 100 again for
performance policy. Same issue happens, when no_turbo is set.
This change calculates max and min frequency using sysfs performance
limits in intel_pstate_verify_policy() and adjusts policy limits by
calling cpufreq_verify_within_limits().
Also, it causes the setting of performance limits to be skipped if
no_turbo is set.
Fixes: 111b8b3fe4fa (cpufreq: intel_pstate: Always keep all limits settings in sync)
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Revert commit 08b98d329165 (PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0
flag) as it caused system suspend (in the default configuration) to fail
on Dell XPS13 (9360) with the Kaby Lake processor.
Fixes: 08b98d329165 (PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0 flag)
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"We've been sitting on fixes for a while, and they keep trickling in at
a low rate. Nothing in here comes across as particularly scary or
noteworthy, for the most part it's a large collection of small DT
tweaks"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (24 commits)
ARM: dts: da850-evm: fix read access to SPI flash
ARM: dts: omap3: Fix Card Detect and Write Protect on Logic PD SOM-LV
ARM64: dts: meson-gxbb-odroidc2: Disable SCPI DVFS
ARM: dts: OMAP5 / DRA7: indicate that SATA port 0 is available.
ARM: dts: NSP: Fix DT ranges error
ARM: multi_v7_defconfig: set bcm47xx watchdog
ARM: multi_v7_defconfig: fix config typo
ARM: dts: dra72-evm-revc: fix typo in ethernet-phy node
soc: ti: wkup_m3_ipc: Fix error return code in wkup_m3_ipc_probe()
ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation
ARM: dts: sunxi: Change node name for pwrseq pin on Olinuxino-lime2-emmc
ARM: dts: sun8i: Support DTB build for NanoPi M1
ARM: dts: sun6i: hummingbird: Enable display engine again
ARM: dts: sun6i: Disable display pipeline by default
ARM, ARM64: dts: drop "arm,amba-bus" in favor of "simple-bus" part 3
ARM: dts: imx6qdl-nitrogen6_som2: fix sgtl5000 pinctrl init
ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init
ARM: OMAP1: DMA: Correct the number of logical channels
ARM: dts: am335x-icev2: Remove the duplicated pinmux setting
ARM: OMAP2+: Fix WL1283 Bluetooth Baud Rate
...
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"I have a few more patches this week -- one to make the behavior of a
quota id ioctl consistent with the other filesystems, and the rest
improve validation of i_mode & i_size values coming into xfs so that
we don't read off the ends of arrays or crash when handed garbage disk
data.
Summary:
- inode i_mode sanitization
- prevent overflows in getnextquota
- minor build fixes"
* tag 'xfs-for-linux-4.10-rc5-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix xfs_mode_to_ftype() prototype
xfs: don't wrap ID in xfs_dq_get_next_id
xfs: sanity check inode di_mode
xfs: sanity check inode mode when creating new dentry
xfs: replace xfs_mode_to_ftype table with switch statement
xfs: add missing include dependencies to xfs_dir2.h
xfs: sanity check directory inode di_size
xfs: make the ASSERT() condition likely
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Read access to the SPI flash are broken on da850-evm, i.e. the data
read is not what is actually programmed on the flash.
According to the datasheet for the M25P64 part present on the da850-evm,
if the SPI frequency is higher than 20MHz then the READ command is not
usable anymore and only the FAST_READ command can be used to read data.
This commit specifies in the DTS that we should use FAST_READ command
instead of the READ command.
Cc: stable@vger.kernel.org
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
[nsekhar@ti.com: subject line adjustment]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Declare virtio_config_ops structure as const as it is only stored in the
config field of a virtio_device structure. This field is of type const, so
virtio_config_ops structures having this property can be declared const.
Done using Coccinelle:
@r1 disable optional_qualifier@
identifier i;
position p;
@@
static struct virtio_config_ops i@p={...};
@ok1@
identifier r1.i;
position p;
struct virtio_ccw_device x;
@@
x.vdev.config=&i@p
@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p
@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct virtio_config_ops i;
File size before and after applying the patch remains the same.
text data bss dec hex filename
9235 296 32928 42459 a5db drivers/s390/virtio/virtio_ccw.o
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Message-Id: <1484333336-13443-1-git-send-email-bhumirks@gmail.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Trival fix, dev_err message is missing a \n, so add it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Message-Id: <20160927200844.16008-1-colin.king@canonical.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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As virtio-1 introduced the possibility of the device manipulating the
status byte, revision 2 of the virtio-ccw transport introduced a means
of getting the status byte from the device via READ_STATUS. Let's wire
it up for revisions >= 2 and fall back to returning the stored status
byte if not supported.
Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Make ringtest work on s390 too.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Acked-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Since ef1b144d ("tools/virtio/ringtest: fix run-on-all.sh to work
without /dev/cpu") run-on-all.sh uses seq 0 $HOST_AFFINITY as the list
of ids of the CPUs to run the command on (assuming ids of online CPUs
are consecutive and start from 0), where $HOST_AFFINITY is the highest
CPU id in the system previously determined using lscpu. This can fail
on systems with offline CPUs.
Instead let's use lscpu to determine the list of online CPUs.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Fixes: ef1b144d ("tools/virtio/ringtest: fix run-on-all.sh to work without
/dev/cpu")
Reviewed-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Using control_work instead of config_work as the 3rd argument to
container_of results in an invalid portdev pointer. Indeed, the work
structure is initialized as below:
INIT_WORK(&portdev->config_work, &config_work_handler);
It leads to a crash when portdev->vdev is dereferenced later. This
bug
is triggered when the guest uses a virtio-console without multiport
feature and receives a config_changed virtio interrupt.
Signed-off-by: G. Campana <gcampana@quarkslab.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This is to silence an uninitialized variable warning in debug output.
The problem is this line:
pr_debug("vhost_get_vq_desc: head: %d, out: %u in: %u\n",
head, out, in);
If "head == vq->num" is true on the first iteration then "out" and "in"
aren't initialized. We handle that a few lines after the printk. I was
tempted to just delete the pr_debug() but I decided to just initialize
them to zero instead.
Also checkpatch.pl complains if variables are declared as just
"unsigned" without the "int".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Declare target_core_fabric_ops strucrues as const as they are only
passed as an argument to the functions target_register_template and
target_unregister_template. The arguments are of type const struct
target_core_fabric_ops *, so target_core_fabric_ops structures having
this property can be declared const.
Done using Coccinelle:
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct target_core_fabric_ops i@p={...};
@ok@
position p;
identifier r.i;
@@
(
target_register_template(&i@p)
|
target_unregister_template(&i@p)
)
@bad@
position p!={r.p,ok.p};
identifier r.i;
@@
i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
+const
struct target_core_fabric_ops i;
File size before: drivers/vhost/scsi.o
text data bss dec hex filename
18063 2985 40 21088 5260 drivers/vhost/scsi.o
File size after: drivers/vhost/scsi.o
text data bss dec hex filename
18479 2601 40 21120 5280 drivers/vhost/scsi.o
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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A user noticed that write performance was horrible over loopback and we
traced it to an inversion of when we need to set MSG_MORE. It should be
set when we have more bvec's to send, not when we are on the last bvec.
This patch made the test go from 20 iops to 78k iops.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Fixes: 429a787be679 ("nbd: fix use-after-free of rq/bio in the xmit path")
Signed-off-by: Jens Axboe <axboe@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- recognize that a PCI-to-PCIe bridge originates a PCIe hierarchy, so
we enumerate that hierarchy correctly
- X-Gene: fix a change merged for v4.10 that broke MSI
- Keystone: avoid reading undefined registers, which can cause
asynchronous external aborts
- Supermicro X8DTH-i/6/iF/6F: ignore broken _CRS that caused us to
change (and break) existing I/O port assignments
* tag 'pci-v4.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/MSI: pci-xgene-msi: Fix CPU hotplug registration handling
PCI: Enumerate switches below PCI-to-PCIe bridges
x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F
PCI: designware: Check for iATU unroll only on platforms that use ATU
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- regression fix for generic Wacom devices, from Jason Gerecke
- DMA-on-stack fixes for hid-corsair driver, from Johan Hovold
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wacom: Fix sibling detection regression
HID: corsair: fix control-transfer error handling
HID: corsair: fix DMA buffers on stack
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull two s390 bug fixes from Martin Schwidefsky:
"Two changes, the first is a fix to add a missing memory clobber to the
inline assembly to load control registers. This has not caused any
issues so far, but who knows what code gcc will generate in future
versions.
The second change is an update for the default configurations. This
includes CONFIG_BUG_ON_DATA_CORRUPTION=y, we want this to be enabled
for s390. The usual approach to debug problems on production systems
is to use crash on a system dump and for us avoiding data corruptions
is priority one"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: update defconfigs
s390/ctl_reg: make __ctl_load a full memory barrier
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"A fix for Xen running in nested virtualization environment"
* tag 'for-linus-4.10-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
partially revert "xen: Remove event channel notification through Xen PCI platform device"
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