DaVinci board support due to GPIO driver clean-up introduced
in v4.20 kernel. These are marked for stable.
Also has fixes for some long standing Audio issues on DA850
boards.
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Merge tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
This pull request fixes some more regressions on legacy
DaVinci board support due to GPIO driver clean-up introduced
in v4.20 kernel. These are marked for stable.
Also has fixes for some long standing Audio issues on DA850
boards.
* tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850-lcdk: Correct the sound card name
ARM: dts: da850-lcdk: Correct the audio codec regulators
ARM: dts: da850-evm: Correct the sound card name
ARM: dts: da850-evm: Correct the audio codec regulators
ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
ARM: davinci: da850-evm: fix label names in GPIO lookup entries
ARM: davinci: da830-evm: fix label names in GPIO lookup entries
Signed-off-by: Olof Johansson <olof@lixom.net>
Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols
RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver
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Merge tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Renesas ARM Based SoC Fixes for v5.0
Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols
RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver
* tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: r8a774c0-sysc: Fix initialization order of 3DG-{A,B}
ARM: shmobile: fix build regressions
Signed-off-by: Olof Johansson <olof@lixom.net>
Commit 49e54187ae ("ata: libahci_platform: comply to PHY framework") uses
the PHY_MODE_SATA, but that enum had not yet been added. This caused a
build failure for me, with today's linux.git.
Also, there is a potentially conflicting (mis-named) PHY_MODE_SATA, hiding
in the Marvell Berlin SATA PHY driver.
Fix the build by:
1) Renaming Marvell's defined value to a more scoped name,
in order to avoid any potential conflicts: PHY_BERLIN_MODE_SATA.
2) Adding the missing enum, which was going to be added anyway as part
of [1].
[1] https://lkml.kernel.org/r/20190108163124.6409-3-miquel.raynal@bootlin.com
Fixes: 49e54187ae ("ata: libahci_platform: comply to PHY framework")
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Olof Johansson <olof@lixom.net>
Cc: Grzegorz Jaszczyk <jaz@semihalf.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'for-linus-20190112' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph, with little fixes all over the map
- Loop caching fix for offset/bs change (Jaegeuk Kim)
- Block documentation tweaks (Jeff, Jon, Weiping, John)
- null_blk zoned tweak (John)
- ahch mvebu suspend/resume support. Should have gone into the merge
window, but there was some confusion on which tree had it. (Miquel)
* tag 'for-linus-20190112' of git://git.kernel.dk/linux-block: (22 commits)
ata: ahci: mvebu: request PHY suspend/resume for Armada 3700
ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAM
ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
ata: ahci: mvebu: remove stale comment
ata: libahci_platform: comply to PHY framework
loop: drop caches if offset or block_size are changed
block: fix kerneldoc comment for blk_attempt_plug_merge()
nvme: don't initlialize ctrl->cntlid twice
nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
nvme: pad fake subsys NQN vid and ssvid with zeros
nvme-multipath: zero out ANA log buffer
nvme-fabrics: unset write/poll queues for discovery controllers
nvme-tcp: don't ask if controller is fabrics
nvme-tcp: remove dead code
nvme-pci: fix out of bounds access in nvme_cqe_pending
nvme-pci: rerun irq setup on IO queue init errors
nvme-pci: use the same attributes when freeing host_mem_desc_bufs.
nvme-pci: fix the wrong setting of nr_maps
block: doc: add slice_idle_us to bfq documentation
block: clarify documentation for blk_{start|finish}_plug
...
We've always had a weird situation around dma_zalloc_coherent. To
safely support mapping the allocations to userspace major architectures
like x86 and arm have always zeroed allocations from dma_alloc_coherent,
but a couple other architectures were missing that zeroing either always
or in corner cases. Then later we grew anothe dma_zalloc_coherent
interface to explicitly request zeroing, but that just added __GFP_ZERO
to the allocation flags, which for some allocators that didn't end
up using the page allocator ended up being a no-op and still not
zeroing the allocations.
So for this merge window I fixed up all remaining architectures to zero
the memory in dma_alloc_coherent, and made dma_zalloc_coherent a no-op
wrapper around dma_alloc_coherent, which fixes all of the above issues.
dma_zalloc_coherent is now pointless and can go away, and Luis helped
me writing a cocchinelle script and patch series to kill it, which I
think we should apply now just after -rc1 to finally settle these
issue.
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Merge tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping
Pull dma_zalloc_coherent() removal from Christoph Hellwig:
"We've always had a weird situation around dma_zalloc_coherent. To
safely support mapping the allocations to userspace major
architectures like x86 and arm have always zeroed allocations from
dma_alloc_coherent, but a couple other architectures were missing that
zeroing either always or in corner cases.
Then later we grew anothe dma_zalloc_coherent interface to explicitly
request zeroing, but that just added __GFP_ZERO to the allocation
flags, which for some allocators that didn't end up using the page
allocator ended up being a no-op and still not zeroing the
allocations.
So for this merge window I fixed up all remaining architectures to
zero the memory in dma_alloc_coherent, and made dma_zalloc_coherent a
no-op wrapper around dma_alloc_coherent, which fixes all of the above
issues.
dma_zalloc_coherent is now pointless and can go away, and Luis helped
me writing a cocchinelle script and patch series to kill it, which I
think we should apply now just after -rc1 to finally settle these
issue"
* tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: remove dma_zalloc_coherent()
cross-tree: phase out dma_zalloc_coherent() on headers
cross-tree: phase out dma_zalloc_coherent()
Michael Chan says:
====================
bnxt_en: Bug fixes for 57500 chips.
Two small bug fixes for ring checking and context memory allocation
that affect the new 57500 chips.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When allocating memory pages for context memory, if the last page table
should be fully populated, the current code will set nr_pages to 0 when
calling bnxt_alloc_ctx_mem_blk(). This will cause the last page table
to be completely blank and causing some RDMA failures.
Fix it by setting the last page table's nr_pages to the remainder only
if it is non-zero.
Fixes: 08fe9d1816 ("bnxt_en: Add Level 2 context memory paging support.")
Reported-by: Eric Davis <eric.davis@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In bnxt_hwrm_check_pf_rings(), add the proper flag to test the NQ
resources. Without the proper flag, the firmware will change
the NQ resource allocation and remap the IRQ, causing missing
IRQs. This issue shows up when adding MQPRIO TX queues, for example.
Fixes: 36d65be9a8 ("bnxt_en: Disable MSIX before re-reserving NQs/CMPL rings.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor fixes for new code, corner cases, and documentation.
Patches are isolated and sufficiently described by the shortlog.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"Minor fixes for new code, corner cases, and documentation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
x86/kvm/nVMX: don't skip emulated instruction twice when vmptr address is not backed
Documentation/virtual/kvm: Update URL for AMD SEV API specification
KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range()
kvm: sev: Fail KVM_SEV_INIT if already initialized
KVM: validate userspace input in kvm_clear_dirty_log_protect()
KVM: x86: Fix bit shifting in update_intel_pt_cfg
nouveau:
one backlight, falcon register access, and a fan fix.
i915:
- Disable PSR for Apple panels
- Broxton ERR_PTR error state fix
- Kabylake VECS workaround fix
- Unwind failure on pinning the gen7 ppgtt
- GVT workload request allocation fix
core:
- Fix fb-helper to work correctly with SDL 1.2 bugs.
- Fix lockdep warning in the atomic ioctl and setproperty.
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Merge tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm
Pull more drm fixes from Daniel Vetter:
"Dave sends out his pull, everybody remembers holidays are over :-)
Since Dave's already in weekend mode and it was quite a few patches I
figured better to apply all the pulls and forward them to you. Hence
here 2nd part of bugfixes for -rc2.
nouveau:
- backlight fix
- falcon register access fix
- fan fix.
i915:
- Disable PSR for Apple panels
- Broxton ERR_PTR error state fix
- Kabylake VECS workaround fix
- Unwind failure on pinning the gen7 ppgtt
- GVT workload request allocation fix
core:
- Fix fb-helper to work correctly with SDL 1.2 bugs
- Fix lockdep warning in the atomic ioctl and setproperty"
* tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/falcon: avoid touching registers if engine is off
drm/nouveau: Don't disable polling in fallback mode
drm/nouveau: register backlight on pascal and newer
drm: Fix documentation generation for DP_DPCD_QUIRK_NO_PSR
drm/i915: init per-engine WAs for all engines
drm/i915: Unwind failure on pinning the gen7 ppgtt
drm/i915: Skip the ERR_PTR error state
drm/i915: Disable PSR in Apple panels
gpu/drm: Fix lock held when returning to user space.
drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock
drm/fb-helper: Partially bring back workaround for bugs of SDL 1.2
drm/i915/gvt: Fix workload request allocation before request add
In case of ->set_param() and ->bind_conn() cxgb4i driver does not wait for
cmd completion, this can create race conditions, to avoid this add
wait_for_completion().
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
After Commit 54aed4dd35 ("MIPS: IP27: use dma_direct_ops") qla1280 driver
failed on SGI IP27 machines with
qla1280: QLA1040 found on PCI bus 0, dev 0
qla1280 0000:00:00.0: enabling device (0006 -> 0007)
qla1280: Failed to get request memory
qla1280: probe of 0000:00:00.0 failed with error -12
Reason is that SGI IP27 always generates 64bit DMA addresses and has no
fallback mode for 32bit DMA addresses implemented. QLA1280 supports 64bit
addressing for all DMA accesses so setting coherent mask to 64bit fixes the
issue.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Albeit we no longer rely on those hard-coded descriptor sizes, we still use
them as our defaults, so better get it right. While adding its sysfs
entries, we forgot to update the geometry descriptor size. It is 0x48
according to UFS2.1, and wasn't changed in UFS3.0.
[mkp: typo]
Fixes: c720c09122 (scsi: ufs: sysfs: geometry descriptor)
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
commit 272652fcbf ("scsi: megaraid_sas: add retry logic in megasas_readl")
missed changing readl to megasas_readl in megasas_clear_intr_fusion(). For
Aero controllers, reads of outbound_intr_status register needs to be
retried.
Reported-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When the driver finds invalid destination MAC for the first un-reachable
target, and before completes the PATH_REQ operation, set new ep_state to
OFFLDCONN_NONE so that as part of driver ep_poll mechanism, the upper
open-iscsi layer is notified to complete the login process on the first
un-reachable target and thus proceed login to other reachable targets.
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hba->is_sys_suspended is set after successful system suspend but
not clear after successful system resume.
According to current behavior, hba->is_sys_suspended will not be set if
host is runtime-suspended but not system-suspended. Thus we shall aligh the
same policy: clear this flag even if host remains runtime-suspended after
ufshcd_system_resume is successfully returned.
Simply fix this flag to correct host status logs.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When SCSI-MQ is enabled, in some case system would present
nr_possible_cpus() which is greater than requested vectors by the
driver. This results into driver being able to get larger number of MSI-X
vectors than actual online CPUs. Driver then uses
pci_alloc_irq_vectors_affinity() to assign 1:1 mapping and affinity for
each MSI-x vector to CPUs. When the command is submitted using MSI-x
vector, assigned to offline CPU, it results in an ABTS and system
hang. This hang is result of a driver not being able to process interrupt
on a vector assigned to an Off-line CPUs
This patch fixes this issue by setting irq_offset value for the
blk_mq_pci_map_queues() to use only those CPUs which has CPU mask affinity
assigned and are online. By using the irq_offset value, driver will allow
online cpumask to decide which vectors are used in blk_mq_pci_map_queues().
Fixes: 5601236b6f ("scsi: qla2xxx: Add Block Multi Queue functionality.")
Cc: <stable@vger.kernel.org> #4.19
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we set the protection parameters after calling scsi_add_host()
for v3 hw.
They should be set beforehand, so make this change.
Appearantly this fixes our DIX issue (not mainline yet) also, but more
testing required.
Fixes: d6a9000b81 ("scsi: hisi_sas: Add support for DIF feature for v2 hw")
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Matteo reported forwarding issues inside the linux bridge,
if the enslaved interfaces use the fq qdisc.
Similar to commit 8203e2d844 ("net: clear skb->tstamp in
forwarding paths"), we need to clear the tstamp field in
the bridge forwarding path.
Fixes: 80b14dee2b ("net: Add a new socket option for a future transmit time.")
Fixes: fb420d5d91 ("tcp/fq: move back to CLOCK_MONOTONIC")
Reported-and-tested-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Taehee Yoo says:
====================
net: bpfilter: fix two bugs in bpfilter
This patches fix two bugs in the bpfilter_umh which are related in
iptables command.
The first patch adds an exit code for UMH process.
This provides an opportunity to cleanup members of the umh_info
to modules which use the UMH.
In order to identify UMH processes, a new flag PF_UMH is added.
The second patch makes the bpfilter_umh use UMH cleanup callback.
The third patch adds re-start routine for the bpfilter_umh.
The bpfilter_umh does not re-start after error occurred.
because there is no re-start routine in the module.
The fourth patch ensures that the bpfilter.ko module will not removed while
it's being used.
The bpfilter.ko is not protected by locks or module reference counter.
Therefore that can be removed while module is being used.
In order to protect that, mutex is used.
The first and second patch are preparation patches for the third and
fourth patch.
TEST #1
while :
do
modprobe bpfilter
kill -9 <pid of the bpfilter_umh>
iptables -vnL
done
TEST #2
while :
do
iptables -I FORWARD -m string --string ap --algo kmp &
iptables -F &
modprobe -rv bpfilter &
done
TEST #3
while :
do
modprobe bpfilter &
modprobe -rv bpfilter &
done
The TEST1 makes a failure of iptables command.
This is fixed by the third patch.
The TEST2 makes a panic because of a race condition in the bpfilter_umh
module.
This is fixed by the fourth patch.
The TEST3 makes a double-create UMH process.
This is fixed by the third and fourth patch.
v4 :
- declare the exit_umh() as static inline
- check stop flag in the load_umh() to avoid a double-create UMH
v3 :
- Avoid unnecessary list lookup for non-UMH processes
- Add a new PF_UMH flag
v2 : add the first and second patch
v1 : Initial patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The bpfilter_umh will be stopped via __stop_umh() when the bpfilter
error occurred.
The bpfilter_umh() couldn't start again because there is no restart
routine.
The section of the bpfilter_umh_{start/end} is no longer .init.rodata
because these area should be reused in the restart routine. hence
the section name is changed to .bpfilter_umh.
The bpfilter_ops->start() is restart callback. it will be called when
bpfilter_umh is stopped.
The stop bit means bpfilter_umh is stopped. this bit is set by both
start and stop routine.
Before this patch,
Test commands:
$ iptables -vnL
$ kill -9 <pid of bpfilter_umh>
$ iptables -vnL
[ 480.045136] bpfilter: write fail -32
$ iptables -vnL
All iptables commands will fail.
After this patch,
Test commands:
$ iptables -vnL
$ kill -9 <pid of bpfilter_umh>
$ iptables -vnL
$ iptables -vnL
Now, all iptables commands will work.
Fixes: d2ba09c17a ("net: add skeleton of bpfilter kernel module")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now, UMH process is killed, do_exit() calls the umh_info->cleanup callback
to release members of the umh_info.
This patch makes bpfilter_umh's cleanup routine to use the
umh_info->cleanup callback.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A UMH process which is created by the fork_usermode_blob() such as
bpfilter needs to release members of the umh_info when process is
terminated.
But the do_exit() does not release members of the umh_info. hence module
which uses UMH needs own code to detect whether UMH process is
terminated or not.
But this implementation needs extra code for checking the status of
UMH process. it eventually makes the code more complex.
The new PF_UMH flag is added and it is used to identify UMH processes.
The exit_umh() does not release members of the umh_info.
Hence umh_info->cleanup callback should release both members of the
umh_info and the private data.
Suggested-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently there is one cmd timeout timer and one qfull timer for each udev,
and whenever any new command is coming in we will update the cmd timer or
qfull timer. For some corner cases the timers are always working only for
the ringbuffer's and full queue's newest cmd. That's to say the timer won't
be fired even if one cmd has been stuck for a very long time and the
deadline is reached.
This fix will keep the cmd/qfull timers to be pended for the oldest cmd in
ringbuffer and full queue, and will update them with the next cmd's
deadline only when the old cmd's deadline is reached or removed from the
ringbuffer and full queue.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Acked-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The functions isdn_tty_tiocmset() and isdn_tty_set_termios() may be
concurrently executed.
isdn_tty_tiocmset
isdn_tty_modem_hup
line 719: kfree(info->dtmf_state);
line 721: kfree(info->silence_state);
line 723: kfree(info->adpcms);
line 725: kfree(info->adpcmr);
isdn_tty_set_termios
isdn_tty_modem_hup
line 719: kfree(info->dtmf_state);
line 721: kfree(info->silence_state);
line 723: kfree(info->adpcms);
line 725: kfree(info->adpcmr);
Thus, some concurrency double-free bugs may occur.
These possible bugs are found by a static tool written by myself and
my manual code review.
To fix these possible bugs, the mutex lock "modem_info_mutex" used in
isdn_tty_tiocmset() is added in isdn_tty_set_termios().
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vsock core only supports 32bit CID, but the Virtio-vsock spec define
CID (dst_cid and src_cid) as u64 and the upper 32bits is reserved as
zero. This inconsistency causes one bug in vhost vsock driver. The
scenarios is:
0. A hash table (vhost_vsock_hash) is used to map an CID to a vsock
object. And hash_min() is used to compute the hash key. hash_min() is
defined as:
(sizeof(val) <= 4 ? hash_32(val, bits) : hash_long(val, bits)).
That means the hash algorithm has dependency on the size of macro
argument 'val'.
0. In function vhost_vsock_set_cid(), a 64bit CID is passed to
hash_min() to compute the hash key when inserting a vsock object into
the hash table.
0. In function vhost_vsock_get(), a 32bit CID is passed to hash_min()
to compute the hash key when looking up a vsock for an CID.
Because the different size of the CID, hash_min() returns different hash
key, thus fails to look up the vsock object for an CID.
To fix this bug, we keep CID as u64 in the IOCTLs and virtio message
headers, but explicitly convert u64 to u32 when deal with the hash table
and vsock core.
Fixes: 834e772c8d ("vhost/vsock: fix use-after-free in network stack callers")
Link: https://github.com/stefanha/virtio/blob/vsock/trunk/content.tex
Signed-off-by: Zha Bin <zhabin@linux.alibaba.com>
Reviewed-by: Liu Jiang <gerry@linux.alibaba.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jose Abreu says:
====================
net: stmmac: Misc Fixes
Some small fixes for stmmac targeting -net. Detailed info in commit log.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, TX is given a budget which is consumed by stmmac_tx_clean()
and stmmac_rx() is given the remaining non-consumed budget.
This is wrong and in case we are sending a large number of packets this
can starve RX because remaining budget will be low.
Let's give always the same budget for RX and TX clean.
While at it, check if we missed any interrupts while we were in NAPI
callback by looking at DMA interrupt status.
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RX Watchdog can be disabled by platform definitions but currently we are
initializing the descriptors before checking if Watchdog must be
disabled or not.
Fix this by checking earlier if user wants Watchdog disabled or not.
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Check if CBS is currently supported before trying to configure it in HW.
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In DMA interrupt handler we were clearing all interrupts status, even
the ones that were not active. Fix this and only clear the active
interrupts.
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit b7d0f08e91, the enable / disable of PCI device is not
managed which will result in IO regions not being automatically unmapped.
As regions continue mapped it is currently not possible to remove and
then probe again the PCI module of stmmac.
Fix this by manually unmapping regions on remove callback.
Changes from v1:
- Fix build error
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Fixes: b7d0f08e91 ("net: stmmac: Fix WoL for PCI-based setups")
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The primecell.txt and cpus.txt files were converted into YAML. This
patch updates old references with new ones.
Fixes: d3c207eeb9 ("dt-bindings: arm: Convert primecell binding to json-schema")
Fixes: 672951cbd1 ("dt-bindings: arm: Convert cpu binding to json-schema")
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Possible race accessing memdev structures after dropping the
mutex. Dan Williams says this could race against another thread
that is doing:
# echo "ACPI0012:00" > /sys/bus/acpi/drivers/nfit/unbind
Reported-by: Jane Chu <jane.chu@oracle.com>
Fixes: 23222f8f8d ("acpi, nfit: Add function to look up nvdimm...")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
A feature has been added in the libahci driver: the possibility to set
a new flag in hpriv->flags to let the core handle PHY suspend/resume
automatically. Make use of this feature to make suspend to RAM work
with SATA drives on A3700.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A3700 comphy initialization is done in the firmware (TF-A). Looking at
the SATA PHY initialization routine, there is a comment about "vendor
specific" registers. Two registers are mentioned. They are not
initialized there in the firmware because they are AHCI related, while
the firmware at this location does only PHY configuration. The
solution to avoid doing such initialization is relying on U-Boot.
While this work at boot time, U-Boot is definitely not going to run
during a resume after suspending to RAM.
Two possible solutions were considered:
* Fixing the firmware.
* Fixing the kernel driver.
The first solution would take ages to propagate, while the second
solution is easy to implement as the driver as been a little bit
reworked to prepare for such platform configuration. Hence, this patch
adds an Armada 3700 configuration function to set these two registers
both at boot time (in the probe) and after a suspend (in the resume
path).
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
At the beginning, only Armada 38x SoCs where supported by the
ahci_mvebu.c driver. Commit 15d3ce7b63 ("ata: ahci_mvebu: add
support for Armada 3700 variant") introduced Armada 3700 support. As
opposed to Armada 38x SoCs, the 3700 variants do not have to configure
mbus and the regret option. This patch took care of avoiding such
configuration when not needed in the probe function, but failed to do
the same in the resume path. While doing so looks harmless by
experience, let's clean the driver logic and avoid doing this useless
configuration with Armada 3700 SoCs.
Because the logic is very similar between these two places, it has
been decided to factorize this code and put it in a "Armada 38x
configuration function". This function is part of a new
(per-compatible) platform data structure, so that the addition of such
configuration function for Armada 3700 will be eased.
Fixes: 15d3ce7b63 ("ata: ahci_mvebu: add support for Armada 3700 variant")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
For Armada-38x (32-bit) SoCs, PM platform support has been added since:
commit 32f9494c9d ("ARM: mvebu: prepare pm-board.c for the
introduction of Armada 38x support")
commit 3cbd6a6ca8 ("ARM: mvebu: Add standby support")
For Armada 64-bit SoCs, like the A3700 also using this AHCI driver, PM
platform support has always existed.
There are even suspend/resume hooks in this driver since:
commit d6ecf15814 ("ata: ahci_mvebu: add suspend/resume support")
Remove the stale comment at the end of this driver stating that all
the above does not exist yet.
Fixes: d6ecf15814 ("ata: ahci_mvebu: add suspend/resume support")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Current implementation of the libahci does not take into account the
new PHY framework. Correct the situation by adding a call to
phy_set_mode() before phy_power_on().
PHYs should also be handled at suspend/resume time. For this, call
ahci_platform_enable/disable_phys() at suspend/resume_host() time. These
calls are guarded by a HFLAG (AHCI_HFLAG_SUSPEND_PHYS) that the user of
the libahci driver must set manually in hpriv->flags at probe time. This
is to avoid breaking users that have not been tested with this change.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Suggested-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Daniel Borkmann says:
====================
pull-request: bpf 2019-01-11
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix TCP-BPF support for correctly setting the initial window
via TCP_BPF_IW on an active TFO sender, from Yuchung.
2) Fix a panic in BPF's stack_map_get_build_id()'s ELF parsing on
32 bit archs caused by page_address() returning NULL, from Song.
3) Fix BTF pretty print in kernel and bpftool when bitfield member
offset is greater than 256. Also add test cases, from Yonghong.
4) Fix improper argument handling in xdp1 sample, from Ioana.
5) Install missing tcp_server.py and tcp_client.py files from
BPF selftests, from Anders.
6) Add test_libbpf to gitignore in libbpf and BPF selftests,
from Stanislav.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull i2c fixes from Wolfram Sang:
"I2C has one core and one driver bugfix for you"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: tegra: Fix Maximum transfer size
i2c: dev: prevent adapter retries and timeout being set as minus value
- Don't error in kexec_file_load if kaslr-seed is missing in device-tree
- Fix incorrect argument type passed to iort_match_node_callback()
- Fix IORT build failure when CONFIG_IOMMU_API=n
- Fix kpti performance regression with new rodata default option
- Typo fix
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Another handful of arm64 fixes here. Most of the complication comes
from improving our kpti code to avoid lengthy pauses (30+ seconds)
during boot when we rewrite the page tables. There are also a couple
of IORT fixes that came in via Lorenzo.
Summary:
- Don't error in kexec_file_load if kaslr-seed is missing in
device-tree
- Fix incorrect argument type passed to iort_match_node_callback()
- Fix IORT build failure when CONFIG_IOMMU_API=n
- Fix kpti performance regression with new rodata default option
- Typo fix"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kexec_file: return successfully even if kaslr-seed doesn't exist
ACPI/IORT: Fix rc_dma_get_range()
arm64: kpti: Avoid rewriting early page tables when KASLR is enabled
arm64: asm-prototypes: Fix fat-fingered typo in comment
ACPI/IORT: Fix build when CONFIG_IOMMU_API=n
edge case, marked for stable.
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Merge tag 'ceph-for-5.0-rc2' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"A patch to allow setting abort_on_full and a fix for an old "rbd
unmap" edge case, marked for stable"
* tag 'ceph-for-5.0-rc2' of git://github.com/ceph/ceph-client:
rbd: don't return 0 on unmap if RBD_DEV_FLAG_REMOVING is set
ceph: use vmf_error() in ceph_filemap_fault()
libceph: allow setting abort_on_full for rbd
While reading through the sysvipc implementation, I noticed that the n32
semctl/shmctl/msgctl system calls behave differently based on whether
o32 support is enabled or not: Without o32, the IPC_64 flag passed by
user space is rejected but calls without that flag get IPC_64 behavior.
As far as I can tell, this was inadvertently changed by a cleanup patch
but never noticed by anyone, possibly nobody has tried using sysvipc
on n32 after linux-3.19.
Change it back to the old behavior now.
Fixes: 78aaf956ba ("MIPS: Compat: Fix build error if CONFIG_MIPS32_COMPAT but no compat ABI.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: stable@vger.kernel.org # 3.19+
Pull perf tooling updates from Ingo Molnar:
"Tooling changes only: fixes and a few stray improvements.
Most of the diffstat is dominated by a PowerPC related fix of system
call trace output beautification that allows us to (again) use the
UAPI header version and sync up with the kernel's version of PowerPC
system call names in the arch/powerpc/kernel/syscalls/syscall.tbl
header"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
tools headers powerpc: Remove unistd.h
perf powerpc: Rework syscall table generation
perf symbols: Add 'arch_cpu_idle' to the list of kernel idle symbols
tools include uapi: Sync linux/if_link.h copy with the kernel sources
tools include uapi: Sync linux/vhost.h with the kernel sources
tools include uapi: Sync linux/fs.h copy with the kernel sources
perf beauty: Switch from using uapi/linux/fs.h to uapi/linux/mount.h
tools include uapi: Grab a copy of linux/mount.h
perf top: Lift restriction on using callchains without "sym" in --sort
tools lib traceevent: Remove tep_data_event_from_type() API
tools lib traceevent: Rename tep_is_file_bigendian() to tep_file_bigendian()
tools lib traceevent: Changed return logic of tep_register_event_handler() API
tools lib traceevent: Changed return logic of trace_seq_printf() and trace_seq_vprintf() APIs
tools lib traceevent: Rename struct cmdline to struct tep_cmdline
tools lib traceevent: Initialize host_bigendian at tep_handle allocation
tools lib traceevent: Introduce new libtracevent API: tep_override_comm()
perf tests: Add a test for the ARM 32-bit [vectors] page
perf tools: Make find_vdso_map() more modular
perf trace: Fix alignment for [continued] lines
perf trace: Fix ')' placement in "interrupted" syscall lines
...
Since commit 09abb5e3e5 ("KVM: nVMX: call kvm_skip_emulated_instruction
in nested_vmx_{fail,succeed}") nested_vmx_failValid() results in
kvm_skip_emulated_instruction() so doing it again in handle_vmptrld() when
vmptr address is not backed is wrong, we end up advancing RIP twice.
Fixes: fca91f6d60 ("kvm: nVMX: Set VM instruction error for VMPTRLD of unbacked page")
Reported-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
The URL of [api-spec] in Documentation/virtual/kvm/amd-memory-encryption.rst
is no longer valid, replaced space with underscore.
Signed-off-by: Christophe de Dinechin <dinechin@redhat.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
