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We observed the same issue as reported by commit a8d7bde23e7130686b7662
("ALSA: hda - Force polling mode on CFL for fixing codec communication")
We don't have a better solution. So apply the same workaround to CNL.
Signed-off-by: Bard Liao <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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Igor Russkikh says:
====================
net: aquantia: various fixes May, 2019
Here is a set of various bug fixes found on recent verification stage.
====================
Signed-off-by: David S. Miller <[email protected]>
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Thats a known quirk in windows tcp stack it can produce 0xffff checksum.
Thats incorrect but it is.
Atlantic HW with LRO enabled handles that incorrectly and changes csum to
0xfffe - but indicates that csum is invalid. This causes driver to pass
packet to linux networking stack with CSUM_NONE, stack eventually drops
the packet.
There is a quirk in atlantic HW to enable correct processing of
0xffff incorrect csum. Enable it.
The visible bug is that windows link partner with software generated csums
caused TCP connection to be unstable since all packets that csum value
are dropped.
Reported-by: Dmitry Bezrukov <[email protected]>
Signed-off-by: Nikita Danilov <[email protected]>
Signed-off-by: Igor Russkikh <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Driver stops producing skbs on ring if a packet with FCS error
was coalesced into LRO session. Ring gets hang forever.
Thats a logical error in driver processing descriptors:
When rx_stat indicates MAC Error, next pointer and eop flags
are not filled. This confuses driver so it waits for descriptor 0
to be filled by HW.
Solution is fill next pointer and eop flag even for packets with FCS error.
Fixes: bab6de8fd180b ("net: ethernet: aquantia: Atlantic A0 and B0 specific functions.")
Signed-off-by: Igor Russkikh <[email protected]>
Signed-off-by: Dmitry Bogdanov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Atlantic hardware does not aggregate nor breaks LRO sessions
with bad csum packets. This means driver should take care of that.
If in LRO session there is a non-first descriptor with invalid
checksum (L2/L3/L4), the driver must account this information
in csum application logic.
Fixes: 018423e90bee8 ("net: ethernet: aquantia: Add ring support code")
Signed-off-by: Igor Russkikh <[email protected]>
Signed-off-by: Dmitry Bogdanov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In case no other traffic happening on the ring, full tx cleanup
may not be completed. That may cause socket buffer to overflow
and tx traffic to stuck until next activity on the ring happens.
This is due to logic error in budget variable decrementor.
Variable is compared with zero, and then post decremented,
causing it to become MAX_INT. Solution is remove decrementor
from the `for` statement and rewrite it in a clear way.
Fixes: b647d3980948e ("net: aquantia: Add tx clean budget and valid budget handling logic")
Signed-off-by: Igor Russkikh <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl for v5.2-2
Fix a laggish ELAN touchpad responsiveness due to an odd interrupt masking.
The following is an automated git shortlog grouped by driver:
intel:
- Clear interrupt status in mask/unmask callback
- Use GENMASK() consistently
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Building with Clang reports the redundant use of MODULE_DEVICE_TABLE():
drivers/net/ethernet/dec/tulip/de4x5.c:2110:1: error: redefinition of '__mod_eisa__de4x5_eisa_ids_device_table'
MODULE_DEVICE_TABLE(eisa, de4x5_eisa_ids);
^
./include/linux/module.h:229:21: note: expanded from macro 'MODULE_DEVICE_TABLE'
extern typeof(name) __mod_##type##__##name##_device_table \
^
<scratch space>:90:1: note: expanded from here
__mod_eisa__de4x5_eisa_ids_device_table
^
drivers/net/ethernet/dec/tulip/de4x5.c:2100:1: note: previous definition is here
MODULE_DEVICE_TABLE(eisa, de4x5_eisa_ids);
^
./include/linux/module.h:229:21: note: expanded from macro 'MODULE_DEVICE_TABLE'
extern typeof(name) __mod_##type##__##name##_device_table \
^
<scratch space>:85:1: note: expanded from here
__mod_eisa__de4x5_eisa_ids_device_table
^
This drops the one further from the table definition to match the common
use of MODULE_DEVICE_TABLE().
Fixes: 07563c711fbc ("EISA bus MODALIAS attributes support")
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Jakub Kicinski says:
====================
net/tls: two fixes for rx_list pre-handling
tls_sw_recvmsg() had been modified to cater better to async decrypt.
Partially read records now live on the rx_list. Data is copied from
this list before the old do {} while loop, and the not included
correctly in deciding whether to sleep or not and lowat threshold
handling. These modifications, unfortunately, added some bugs.
First patch fixes lowat - we need to calculate the threshold early
and make sure all copied data is compared to the threshold, not just
the freshly decrypted data.
Third patch fixes sleep - if data is picked up from rx_list and
no flags are set, we should not put the process to sleep, but
rather return the partial read.
Patches 2 and 4 add test cases for these bugs, both will cause
a sleep and test timeout before the fix.
====================
Signed-off-by: David S. Miller <[email protected]>
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Add a test which sends 15 bytes of data, and then tries
to read 10 byes twice. Previously the second read would
sleep indifinitely, since the record was already decrypted
and there is only 5 bytes left, not full 10.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Dirk van der Merwe <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When tls_sw_recvmsg() partially copies a record it pops that
record from ctx->recv_pkt and places it on rx_list.
Next iteration of tls_sw_recvmsg() reads from rx_list via
process_rx_list() before it enters the decryption loop.
If there is no more records to be read tls_wait_data()
will put the process on the wait queue and got to sleep.
This is incorrect, because some data was already copied
in process_rx_list().
In case of RPC connections process may never get woken up,
because peer also simply blocks in read().
I think this may also fix a similar issue when BPF is at
play, because after __tcp_bpf_recvmsg() returns some data
we subtract it from len and use continue to restart the
loop, but len could have just reached 0, so again we'd
sleep unnecessarily. That's added by:
commit d3b18ad31f93 ("tls: add bpf support to sk_msg handling")
Fixes: 692d7b5d1f91 ("tls: Fix recvmsg() to be able to peek across multiple records")
Reported-by: David Beckett <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Dirk van der Merwe <[email protected]>
Tested-by: David Beckett <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Set SO_RCVLOWAT and test it gets respected when gathering
data from multiple records.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Dirk van der Merwe <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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If some of the data came from the previous record, i.e. from
the rx_list it had already been decrypted, so it's not counted
towards the "decrypted" variable, but the "copied" variable.
Take that into account when checking lowat.
When calculating lowat target we need to pass the original len.
E.g. if lowat is at 80, len is 100 and we had 30 bytes on rx_list
target would currently be incorrectly calculated as 70, even though
we only need 50 more bytes to make up the 80.
Fixes: 692d7b5d1f91 ("tls: Fix recvmsg() to be able to peek across multiple records")
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Dirk van der Merwe <[email protected]>
Tested-by: David Beckett <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing warning fix from Steven Rostedt:
"Make the GCC 9 warning for sub struct memset go away.
GCC 9 now warns about calling memset() on partial structures when it
goes across multiple fields. This adds a helper for the place in
tracing that does this type of clearing of a structure"
* tag 'trace-v5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Silence GCC 9 array bounds warning
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Pull KVM fixes from Paolo Bonzini:
"The usual smattering of fixes and tunings that came in too late for
the merge window, but should not wait four months before they appear
in a release.
I also travelled a bit more than usual in the first part of May, which
didn't help with picking up patches and reports promptly"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (33 commits)
KVM: x86: fix return value for reserved EFER
tools/kvm_stat: fix fields filter for child events
KVM: selftests: Wrap vcpu_nested_state_get/set functions with x86 guard
kvm: selftests: aarch64: compile with warnings on
kvm: selftests: aarch64: fix default vm mode
kvm: selftests: aarch64: dirty_log_test: fix unaligned memslot size
KVM: s390: fix memory slot handling for KVM_SET_USER_MEMORY_REGION
KVM: x86/pmu: do not mask the value that is written to fixed PMUs
KVM: x86/pmu: mask the result of rdpmc according to the width of the counters
x86/kvm/pmu: Set AMD's virt PMU version to 1
KVM: x86: do not spam dmesg with VMCS/VMCB dumps
kvm: Check irqchip mode before assign irqfd
kvm: svm/avic: fix off-by-one in checking host APIC ID
KVM: selftests: do not blindly clobber registers in guest asm
KVM: selftests: Remove duplicated TEST_ASSERT in hyperv_cpuid.c
KVM: LAPIC: Expose per-vCPU timer_advance_ns to userspace
KVM: LAPIC: Fix lapic_timer_advance_ns parameter overflow
kvm: vmx: Fix -Wmissing-prototypes warnings
KVM: nVMX: Fix using __this_cpu_read() in preemptible context
kvm: fix compilation on s390
...
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Ioana Radulescu says:
====================
dpaa2-eth: Fix smatch warnings
Fix a couple of warnings reported by smatch.
====================
Signed-off-by: David S. Miller <[email protected]>
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Function dpaa2_eth_cls_key_size() expects a 64bit argument,
but DPAA2_ETH_DIST_ALL is defined as UINT_MAX. Fix this.
Signed-off-by: Ioana Radulescu <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use PTR_ERR_OR_ZERO instead of PTR_ERR in cases where
zero is a valid input. Reported by smatch.
Signed-off-by: Ioana Radulescu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Smatch reports a potential spectre vulnerability in the dpaa2-eth
driver, where the value of rxnfc->fs.location (which is provided
from user-space) is used as index in an array.
Add a call to array_index_nospec() to sanitize the access.
Signed-off-by: Ioana Radulescu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Once in a while, with just the right timing, 802.3ad slaves will fail to
properly initialize, winding up in a weird state, with a partner system
mac address of 00:00:00:00:00:00. This started happening after a fix to
properly track link_failure_count tracking, where an 802.3ad slave that
reported itself as link up in the miimon code, but wasn't able to get a
valid speed/duplex, started getting set to BOND_LINK_FAIL instead of
BOND_LINK_DOWN. That was the proper thing to do for the general "my link
went down" case, but has created a link initialization race that can put
the interface in this odd state.
The simple fix is to instead set the slave link to BOND_LINK_DOWN again,
if the link has never been up (last_link_up == 0), so the link state
doesn't bounce from BOND_LINK_DOWN to BOND_LINK_FAIL -- it hasn't failed
in this case, it simply hasn't been up yet, and this prevents the
unnecessary state change from DOWN to FAIL and getting stuck in an init
failure w/o a partner mac.
Fixes: ea53abfab960 ("bonding/802.3ad: fix link_failure_count tracking")
CC: Jay Vosburgh <[email protected]>
CC: Veaceslav Falico <[email protected]>
CC: Andy Gospodarek <[email protected]>
CC: "David S. Miller" <[email protected]>
CC: [email protected]
Tested-by: Heesoon Kim <[email protected]>
Signed-off-by: Jarod Wilson <[email protected]>
Acked-by: Jay Vosburgh <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random fix from Ted Ts'o:
"Fix a soft lockup regression when reading from /dev/random in early
boot"
* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: fix soft lockup when trying to read from an uninitialized blocking pool
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Fixes: eb9d1bf079bb: "random: only read from /dev/random after its pool has received 128 bits"
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
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Starting with GCC 9, -Warray-bounds detects cases when memset is called
starting on a member of a struct but the size to be cleared ends up
writing over further members.
Such a call happens in the trace code to clear, at once, all members
after and including `seq` on struct trace_iterator:
In function 'memset',
inlined from 'ftrace_dump' at kernel/trace/trace.c:8914:3:
./include/linux/string.h:344:9: warning: '__builtin_memset' offset
[8505, 8560] from the object at 'iter' is out of the bounds of
referenced subobject 'seq' with type 'struct trace_seq' at offset
4368 [-Warray-bounds]
344 | return __builtin_memset(p, c, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In order to avoid GCC complaining about it, we compute the address
ourselves by adding the offsetof distance instead of referring
directly to the member.
Since there are two places doing this clear (trace.c and trace_kdb.c),
take the chance to move the workaround into a single place in
the internal header.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Miguel Ojeda <[email protected]>
[ Removed unnecessary parenthesis around "iter" ]
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
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ethtool ops get_rxfh_context and set_rxfh_context are used to create,
remove and access parameters associated to RSS contexts, in a similar
fashion to get_rxfh and set_rxfh.
Add a small descritopn of these callbacks in the struct ethtool_ops doc.
Signed-off-by: Maxime Chevallier <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Bug fixes (including a regression fix) for ext4"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix dcache lookup of !casefolded directories
ext4: do not delete unlinked inode from orphan list on failed truncate
ext4: wait for outstanding dio during truncate in nojournal mode
ext4: don't perform block validity checks on the journal inode
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Biao Huang says:
====================
fix some bugs in stmmac
changes in v4:
since MTL_OPERATION_MODE write back issue has be fixed in the latest driver,
remove original patch#3
changes in v3:
add a Fixes:tag for each patch
changes in v2:
1. update rx_tail_addr as Jose's comment
2. changes clk_csr condition as Alex's proposition
3. remove init lines in dwmac-mediatek, get clk_csr from dts instead.
v1:
This series fix some bugs in stmmac driver
3 patches are for common stmmac or dwmac4:
1. update rx tail pointer to fix rx dma hang issue.
2. change condition for mdc clock to fix csr_clk can't be zero issue.
3. write the modified value back to MTL_OPERATION_MODE.
1 patch is for dwmac-mediatek:
modify csr_clk value to fix mdio read/write fail issue for dwmac-mediatek
====================
Signed-off-by: David S. Miller <[email protected]>
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1. the frequency of csr clock is 66.5MHz, so the csr_clk value should
be 0 other than 5.
2. the csr_clk can be got from device tree, so remove initialization here.
Fixes: 9992f37e346b ("stmmac: dwmac-mediatek: add support for mt2712")
Signed-off-by: Biao Huang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The specific clk_csr value can be zero, and
stmmac_clk is necessary for MDC clock which can be set dynamically.
So, change the condition from plat->clk_csr to plat->stmmac_clk to
fix clk_csr can't be zero issue.
Fixes: cd7201f477b9 ("stmmac: MDC clock dynamically based on the csr clock input")
Signed-off-by: Biao Huang <[email protected]>
Acked-by: Alexandre TORGUE <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Currently we will not update the receive descriptor tail pointer in
stmmac_rx_refill. Rx dma will think no available descriptors and stop
once received packets exceed DMA_RX_SIZE, so that the rx only test will fail.
Update the receive tail pointer in stmmac_rx_refill to add more descriptors
to the rx channel, so packets can be received continually
Fixes: 54139cf3bb33 ("net: stmmac: adding multiple buffers for rx")
Signed-off-by: Biao Huang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In function ip_ra_control(), the pointer new_ra is allocated a memory
space via kmalloc(). And it is used in the following codes. However,
when there is a memory allocation error, kmalloc() fails. Thus null
pointer dereference may happen. And it will cause the kernel to crash.
Therefore, we should check the return value and handle the error.
Signed-off-by: Gen Zhang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In function ip6_ra_control(), the pointer new_ra is allocated a memory
space via kmalloc(). And it is used in the following codes. However,
when there is a memory allocation error, kmalloc() fails. Thus null
pointer dereference may happen. And it will cause the kernel to crash.
Therefore, we should check the return value and handle the error.
Signed-off-by: Gen Zhang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
- Fix a regression that disabled device-mapper dax support
- Remove unnecessary hardened-user-copy overhead (>30%) for dax
read(2)/write(2).
- Fix some compilation warnings.
* tag 'libnvdimm-fixes-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead
dax: Arrange for dax_supported check to span multiple devices
libnvdimm: Fix compilation warnings with W=1
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Tom Zanussi sent me some small fixes and cleanups to the histogram
code and I forgot to incorporate them.
I also added a small clean up patch that was sent to me a while ago
and I just noticed it"
* tag 'trace-v5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
kernel/trace/trace.h: Remove duplicate header of trace_seq.h
tracing: Add a check_val() check before updating cond_snapshot() track_val
tracing: Check keys for variable references in expressions too
tracing: Prevent hist_field_var_ref() from accessing NULL tracing_map_elts
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Found by visual inspection, this wasn't caught by my xfstest, since it's
effect is ignoring positive dentries in the cache the fallback just goes
to the disk. it was introduced in the last iteration of the
case-insensitive patch.
d_compare should return 0 when the entries match, so make sure we are
correctly comparing the entire string if the encoding feature is set and
we are on a case-INsensitive directory.
Fixes: b886ee3e778e ("ext4: Support case-insensitive file name lookups")
Signed-off-by: Gabriel Krisman Bertazi <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is the same set of patches sent in the merge window as the final
pull except that Martin's read only rework is replaced with a simple
revert of the original change that caused the regression.
Everything else is an obvious fix or small cleanup"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
Revert "scsi: sd: Keep disk read-only when re-reading partition"
scsi: bnx2fc: fix incorrect cast to u64 on shift operation
scsi: smartpqi: Reporting unhandled SCSI errors
scsi: myrs: Fix uninitialized variable
scsi: lpfc: Update lpfc version to 12.2.0.2
scsi: lpfc: add check for loss of ndlp when sending RRQ
scsi: lpfc: correct rcu unlock issue in lpfc_nvme_info_show
scsi: lpfc: resolve lockdep warnings
scsi: qedi: remove set but not used variables 'cdev' and 'udev'
scsi: qedi: remove memset/memcpy to nfunc and use func instead
scsi: qla2xxx: Add cleanup for PCI EEH recovery
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Pull block fixes from Jens Axboe:
- NVMe pull request from Keith, with fixes from a few folks.
- bio and sbitmap before atomic barrier fixes (Andrea)
- Hang fix for blk-mq freeze and unfreeze (Bob)
- Single segment count regression fix (Christoph)
- AoE now has a new maintainer
- tools/io_uring/ Makefile fix, and sync with liburing (me)
* tag 'for-linus-20190524' of git://git.kernel.dk/linux-block: (23 commits)
tools/io_uring: sync with liburing
tools/io_uring: fix Makefile for pthread library link
blk-mq: fix hang caused by freeze/unfreeze sequence
block: remove the bi_seg_{front,back}_size fields in struct bio
block: remove the segment size check in bio_will_gap
block: force an unlimited segment size on queues with a virt boundary
block: don't decrement nr_phys_segments for physically contigous segments
sbitmap: fix improper use of smp_mb__before_atomic()
bio: fix improper use of smp_mb__before_atomic()
aoe: list new maintainer for aoe driver
nvme-pci: use blk-mq mapping for unmanaged irqs
nvme: update MAINTAINERS
nvme: copy MTFA field from identify controller
nvme: fix memory leak for power latency tolerance
nvme: release namespace SRCU protection before performing controller ioctls
nvme: merge nvme_ns_ioctl into nvme_ioctl
nvme: remove the ifdef around nvme_nvm_ioctl
nvme: fix srcu locking on error return in nvme_get_ns_from_disk
nvme: Fix known effects
nvme-pci: Sync queues on reset
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- Two fixes to regressions introduced in kselftest Makefile test run
output refactoring work (Kees Cook)
- Adding Atom support to syscall_arg_fault test (Tong Bo)
* tag 'linux-kselftest-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/timers: Add missing fflush(stdout) calls
selftests: Remove forced unbuffering for test running
selftests/x86: Support Atom for syscall_arg_fault test
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree fixes from Rob Herring:
- Update checkpatch.pl to use DT vendor-prefixes.yaml
- Fix DT binding references to files converted to DT schema
- Clean-up Arm CPU binding examples to match schema
- Add Sifive block versioning scheme documentation
- Pass binding directory base to validation tools for reference lookups
* tag 'devicetree-fixes-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
checkpatch.pl: Update DT vendor prefix check
dt: bindings: mtd: replace references to nand.txt with nand-controller.yaml
dt-bindings: interrupt-controller: arm,gic: Fix schema errors in example
dt-bindings: arm: Clean up CPU binding examples
dt: fix refs that were renamed to json with the same file name
dt-bindings: Pass binding directory to validation tools
dt-bindings: sifive: describe sifive-blocks versioning
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pule more SPDX updates from Greg KH:
"Here is another set of reviewed patches that adds SPDX tags to
different kernel files, based on a set of rules that are being used to
parse the comments to try to determine that the license of the file is
"GPL-2.0-or-later".
Only the "obvious" versions of these matches are included here, a
number of "non-obvious" variants of text have been found but those
have been postponed for later review and analysis.
These patches have been out for review on the linux-spdx@vger mailing
list, and while they were created by automatic tools, they were
hand-verified by a bunch of different people, all whom names are on
the patches are reviewers"
* tag 'spdx-5.2-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (85 commits)
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 125
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 123
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 122
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 121
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 119
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 116
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 114
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 113
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 112
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 111
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 110
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 106
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 105
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 103
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 101
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 98
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The kernel test robot has reported that the use of __this_cpu_add()
causes bug messages like:
BUG: using __this_cpu_add() in preemptible [00000000] code: ...
Given the imprecise nature of the count and the possibility of resetting
the count and doing the measurement again, this is not really a big
problem to use the unprotected __this_cpu_*() functions.
To make the preemption checking code happy, the this_cpu_*() functions
will be used if CONFIG_DEBUG_PREEMPT is defined.
The imprecise nature of the locking counts are also documented with
the suggestion that we should run the measurement a few times with the
counts reset in between to get a better picture of what is going on
under the hood.
Fixes: a8654596f0371 ("locking/rwsem: Enable lock event counting")
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Waiman Long <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Function tcf_action_dump() relies on tc_action->order field when starting
nested nla to send action data to userspace. This approach breaks in
several cases:
- When multiple filters point to same shared action, tc_action->order field
is overwritten each time it is attached to filter. This causes filter
dump to output action with incorrect attribute for all filters that have
the action in different position (different order) from the last set
tc_action->order value.
- When action data is displayed using tc action API (RTM_GETACTION), action
order is overwritten by tca_action_gd() according to its position in
resulting array of nl attributes, which will break filter dump for all
filters attached to that shared action that expect it to have different
order value.
Don't rely on tc_action->order when dumping actions. Set nla according to
action position in resulting array of actions instead.
Signed-off-by: Vlad Buslov <[email protected]>
Acked-by: Jamal Hadi Salim <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This reverts commit 2391b0030e241386d710df10e53e2cfc3c5d4fc1 which has
introduced regression. Now SGE's BAR2 Doorbell/GTS Page Size is
interpreted correctly in the firmware itself by using actual host
page size. Hence previous commit needs to be reverted.
Signed-off-by: Vishal Kulkarni <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Fix the clk mismatch in the error path "failed_reset" because
below error path will disable clk_ahb and clk_ipg directly, it
should use pm_runtime_put_noidle() instead of pm_runtime_put()
to avoid to call runtime resume callback.
Reported-by: Baruch Siach <[email protected]>
Signed-off-by: Fugang Duan <[email protected]>
Tested-by: Baruch Siach <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Commit 11988499e62b ("KVM: x86: Skip EFER vs. guest CPUID checks for
host-initiated writes", 2019-04-02) introduced a "return false" in a
function returning int, and anyway set_efer has a "nonzero on error"
conventon so it should be returning 1.
Reported-by: Pavel Machek <[email protected]>
Fixes: 11988499e62b ("KVM: x86: Skip EFER vs. guest CPUID checks for host-initiated writes")
Cc: Sean Christopherson <[email protected]>
Cc: [email protected]
Signed-off-by: Paolo Bonzini <[email protected]>
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uie_read is a commonly failing test that will block forever on buggy rtc
drivers. Shorten its timeout so it fails earlier. Also increase the timeout
for the two alarm test on a minute boundary.
Signed-off-by: Alexandre Belloni <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Commit a745f7af3cbd ("selftests/harness: Add 30 second timeout per test")
adds an hardcoded 30s timeout to all tests. Unfortunately, rtctest has two
tests taking up to 60s. Allow for individual tests to define their own
timeout.
Signed-off-by: Alexandre Belloni <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Add a meta-testcase which tests ftracetest itself with
checkbasisms. This helps us to keep our test script
bashisms clean.
Signed-off-by: Masami Hiramatsu <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Make kprobe_ftrace.tc checkbashisms clean. Since
"grep function available_tracers" causes an error
on checkbashisms, fix it by explicitly escaping
with double-quotations.
Signed-off-by: Masami Hiramatsu <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The fields filter would not work with child fields, as the respective
parents would not be included. No parents displayed == no childs displayed.
To reproduce, run on s390 (would work on other platforms, too, but would
require a different filter name):
- Run 'kvm_stat -d'
- Press 'f'
- Enter 'instruct'
Notice that events like instruction_diag_44 or instruction_diag_500 are not
displayed - the output remains empty.
With this patch, we will filter by matching events and their parents.
However, consider the following example where we filter by
instruction_diag_44:
kvm statistics - summary
regex filter: instruction_diag_44
Event Total %Total CurAvg/s
exit_instruction 276 100.0 12
instruction_diag_44 256 92.8 11
Total 276 12
Note that the parent ('exit_instruction') displays the total events, but
the childs listed do not match its total (256 instead of 276). This is
intended (since we're filtering all but one child), but might be confusing
on first sight.
Signed-off-by: Stefan Raspl <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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