In sdio_bus_remove the variable is unneeded,remove it now.
Signed-off-by: wangbo <wang.bo116@zte.com.cn>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
1. O2 Host Controller PLL lock status is not in compliance with
CLOCK_CONTROL register bit 1
2. O2 Host Controller card detect function only work when PLL is
enabled and locked
Signed-off-by: Ernest Zhang <ernest.zhang@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
for debugfs files.
Semantic patch information:
Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
imposes some significant overhead as compared to
DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
We need to handle mmc_of_parse() errors during probe otherwise the
MMC driver could start without proper initialization (e.g. power sequence).
Fixes: 476bf3d62d ("mmc: sdhci-brcmstb: Add driver for Broadcom BRCMSTB SoCs")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When host set the host->tuning_delay, even the last tuning
command need a delay, otherwise the first command after the
tuning will meet issue.
Take i.MX7D as an example, there will be the following log:
mmc2: switch to high-speed from hs200 failed, err:-110
mmc2: error -110 whilst initialising MMC card
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
It's observed that i.MX uSDHC needed delay between tuning
cycles for HS200 successful tuning. This patch is to set 1ms
delay for that.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
i.MX6ULL has errata ERR010450, point out that due to SOC I/O
timing limitation, for eMMC HS200 and SD/SDIO 3.0 SDR104, the
clock rate can't exceed 150MHz. And for eMMC DDR52 and SD/SDIO
DDR50 mode, the clock rate can't exceed 45MHz.
This patch add this limit for imx6ull.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
[Ulf: Fixed comments and whitespace]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add a imx6ull compatible string to be able to manage erratum ERR010450 on
i.MX6ULL.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Now tuning reset will be done when the timing is MMC_TIMING_LEGACY/
MMC_TIMING_MMC_HS/MMC_TIMING_SD_HS. But for timing MMC_TIMING_MMC_HS,
we can not do tuning reset, otherwise HS400 timing is not right.
Here is the process of init HS400, first finish tuning in HS200 mode,
then switch to HS mode and 8 bit DDR mode, finally switch to HS400
mode. If we do tuning reset in HS mode, this will cause HS400 mode
lost the tuning setting, which will cause CRC error.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Cc: stable@vger.kernel.org # v4.12+
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: d9370424c9 ("mmc: sdhci-esdhc-imx: reset tuning circuit when power on mmc card")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
DDR50 tuning is optinally defined in sd 3.0 spec. And i.MX
uSDHC internally already uses a fixed optimized timing for
DDR50, normally does not require tuning for DDR50 mode.
This patch specify a new execute_tuning function for i.MX
uSDHC, do not impact i.MX eSDHC.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The bit ESDHC_STD_TUNING_EN may be configed by bootloader code if it
choose to use standard tuning method. So on linux side, if choose to
use manual tuning method, need to clear the bit ESDHC_STD_TUNING_EN,
remove the impact of bootloader code.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Variant specific driver data doesn't change at run-time, so mark it as
const to reflect that.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Fixes the following sparse warning:
drivers/mmc/host/sdhci_am654.c:161:18: warning:
symbol 'sdhci_am654_ops' was not declared. Should it be static?
Fixes: aff88ff23512 ("mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"Bug fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: MMU: record maximum physical address width in kvm_mmu_extended_role
kvm: x86: Return LA57 feature based on hardware capability
x86/kvm/mmu: fix switch between root and guest MMUs
s390: vsie: Use effective CRYCBD.31 to check CRYCBD validity
Pull networking fixes from David Miller:
"Hopefully the last pull request for this release. Fingers crossed:
1) Only refcount ESP stats on full sockets, from Martin Willi.
2) Missing barriers in AF_UNIX, from Al Viro.
3) RCU protection fixes in ipv6 route code, from Paolo Abeni.
4) Avoid false positives in untrusted GSO validation, from Willem de
Bruijn.
5) Forwarded mesh packets in mac80211 need more tailroom allocated,
from Felix Fietkau.
6) Use operstate consistently for linkup in team driver, from George
Wilkie.
7) ThunderX bug fixes from Vadim Lomovtsev. Mostly races between VF
and PF code paths.
8) Purge ipv6 exceptions during netdevice removal, from Paolo Abeni.
9) nfp eBPF code gen fixes from Jiong Wang.
10) bnxt_en firmware timeout fix from Michael Chan.
11) Use after free in udp/udpv6 error handlers, from Paolo Abeni.
12) Fix a race in x25_bind triggerable by syzbot, from Eric Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits)
net: phy: realtek: Dummy IRQ calls for RTL8366RB
tcp: repaired skbs must init their tso_segs
net/x25: fix a race in x25_bind()
net: dsa: Remove documentation for port_fdb_prepare
Revert "bridge: do not add port to router list when receives query with source 0.0.0.0"
selftests: fib_tests: sleep after changing carrier. again.
net: set static variable an initial value in atl2_probe()
net: phy: marvell10g: Fix Multi-G advertisement to only advertise 10G
bpf, doc: add bpf list as secondary entry to maintainers file
udp: fix possible user after free in error handler
udpv6: fix possible user after free in error handler
fou6: fix proto error handler argument type
udpv6: add the required annotation to mib type
mdio_bus: Fix use-after-free on device_register fails
net: Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255
bnxt_en: Wait longer for the firmware message response to complete.
bnxt_en: Fix typo in firmware message timeout logic.
nfp: bpf: fix ALU32 high bits clearance bug
nfp: bpf: fix code-gen bug on BPF_ALU | BPF_XOR | BPF_K
Documentation: networking: switchdev: Update port parent ID section
...
This fixes a regression introduced by
commit 0d2e778e38
"net: phy: replace PHY_HAS_INTERRUPT with a check for
config_intr and ack_interrupt".
This assumes that a PHY cannot trigger interrupt unless
it has .config_intr() or .ack_interrupt() implemented.
A later patch makes the code assume both need to be
implemented for interrupts to be present.
But this PHY (which is inside a DSA) will happily
fire interrupts without either callback.
Implement dummy callbacks for .config_intr() and
.ack_interrupt() in the phy header to fix this.
Tested on the RTL8366RB on D-Link DIR-685.
Fixes: 0d2e778e38 ("net: phy: replace PHY_HAS_INTERRUPT with a check for config_intr and ack_interrupt")
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This callback was removed some time ago, also remove the documentation.
Fixes: 1b6dd556c3 ("net: dsa: Remove prepare phase for FDB")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit 5a2de63fd1 ("bridge: do not add port to router list
when receives query with source 0.0.0.0") and commit 0fe5119e26 ("net:
bridge: remove ipv6 zero address check in mcast queries")
The reason is RFC 4541 is not a standard but suggestive. Currently we
will elect 0.0.0.0 as Querier if there is no ip address configured on
bridge. If we do not add the port which recives query with source
0.0.0.0 to router list, the IGMP reports will not be about to forward
to Querier, IGMP data will also not be able to forward to dest.
As Nikolay suggested, revert this change first and add a boolopt api
to disable none-zero election in future if needed.
Reported-by: Linus Lüssing <linus.luessing@c0d3.blue>
Reported-by: Sebastian Gottschall <s.gottschall@newmedia-net.de>
Fixes: 5a2de63fd1 ("bridge: do not add port to router list when receives query with source 0.0.0.0")
Fixes: 0fe5119e26 ("net: bridge: remove ipv6 zero address check in mcast queries")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Just like commit e2ba732a16 ("selftests: fib_tests: sleep after
changing carrier"), wait one second to allow linkwatch to propagate the
carrier change to the stack.
There are two sets of carrier tests. The first slept after the carrier
was set to off, and when the second set ran, it was likely that the
linkwatch would be able to run again without much delay, reducing the
likelihood of a race. However, if you run 'fib_tests.sh -t carrier' on a
loop, you will quickly notice the failures.
Sleeping on the second set of tests make the failures go away.
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
cards_found is a static variable, but when it enters atl2_probe(),
cards_found is set to zero, the value is not consistent with last probe,
so next behavior is not our expect.
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some Marvell Alaska PHYs support 2.5G, 5G and 10G BaseT links. Their
default behaviour is to advertise all of these modes, but at the moment,
only 10GBaseT is supported. To prevent link partners from establishing
link at that speed, clear these modes upon configuring aneg parameters.
Fixes: 20b2af32ff ("net: phy: add Marvell Alaska X 88X3310 10Gigabit PHY support")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reported-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
One fix for an oops when using SRIOV, introduced by the recent changes to
support compound IOMMU groups.
Thanks to:
Alexey Kardashevskiy.
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Merge tag 'powerpc-5.0-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"One fix for an oops when using SRIOV, introduced by the recent changes
to support compound IOMMU groups.
Thanks to Alexey Kardashevskiy"
* tag 'powerpc-5.0-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv/sriov: Register IOMMU groups for VFs
Four small fixes: three in drivers and one in the core. The core fix
is also minor in scope since the bug it fixes is only known to affect
systems using SCSI reservations. Of the driver bugs, the libsas one
is the most major because it can lead to multiple disks on the same
expander not being exposed.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes: three in drivers and one in the core.
The core fix is also minor in scope since the bug it fixes is only
known to affect systems using SCSI reservations. Of the driver bugs,
the libsas one is the most major because it can lead to multiple disks
on the same expander not being exposed"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: reset host byte in DID_NEXUS_FAILURE case
scsi: libsas: Fix rphy phy_identifier for PHYs with end devices attached
scsi: sd_zbc: Fix sd_zbc_report_zones() buffer allocation
scsi: libiscsi: Fix race between iscsi_xmit_task and iscsi_complete_task
Daniel Borkmann says:
====================
pull-request: bpf 2019-02-23
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a bug in BPF's LPM deletion logic to match correct prefix
length, from Alban.
2) Fix AF_XDP teardown by not destroying umem prematurely as it
is still needed till all outstanding skbs are freed, from Björn.
3) Fix unkillable BPF_PROG_TEST_RUN under preempt kernel by checking
signal_pending() outside need_resched() condition which is never
triggered there, from Stanislav.
4) Fix two nfp JIT bugs, one in code emission for K-based xor, and
another one to explicitly clear upper bits in alu32, from Jiong.
5) Add bpf list address to maintainers file, from Daniel.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull keys fixes from James Morris:
"Two fixes from Eric Biggers"
* 'fixes-v5.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
KEYS: always initialize keyring_index_key::desc_len
KEYS: user: Align the payload buffer
- Use hrtimer_try_to_cancel() instead of hrtimer_cancel() in the
PM-runtime framework to avoid a possible timer-related deadlock
introduced recently (Vincent Guittot).
- Reorder the scmi-cpufreq driver code to avoid accessing memory
that has just been freed (Yangtao Li).
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Merge tag 'pm-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a regression in the PM-runtime framework introduced by the
recent switch-over of it to using hrtimers and a use-after-free
introduced by one of the recent changes in the scmi-cpufreq driver.
Specifics:
- Use hrtimer_try_to_cancel() instead of hrtimer_cancel() in the
PM-runtime framework to avoid a possible timer-related deadlock
introduced recently (Vincent Guittot).
- Reorder the scmi-cpufreq driver code to avoid accessing memory that
has just been freed (Yangtao Li)"
* tag 'pm-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM-runtime: Fix deadlock when canceling hrtimer
cpufreq: scmi: Fix use-after-free in scmi_cpufreq_exit()
Only a handful of device tree fixes, all simple enough:
NVIDIA Tegra:
- Fix a regression for booting on chromebooks
TI OMAP:
- Two fixes PHY mode on am335x reference boards
Marvell mvebu:
- A regression fix for Armada XP NAND flash controllers
- An incorrect reset signal on the clearfog board
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Only a handful of device tree fixes, all simple enough:
NVIDIA Tegra:
- Fix a regression for booting on chromebooks
TI OMAP:
- Two fixes PHY mode on am335x reference boards
Marvell mvebu:
- A regression fix for Armada XP NAND flash controllers
- An incorrect reset signal on the clearfog board"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: tegra: Restore DT ABI on Tegra124 Chromebooks
ARM: dts: am335x-evm: Fix PHY mode for ethernet
ARM: dts: am335x-evmsk: Fix PHY mode for ethernet
arm64: dts: clearfog-gt-8k: fix SGMII PHY reset signal
ARM: dts: armada-xp: fix Armada XP boards NAND description
- Fix memcpy to prevent prefetchw beyond end of buffer [Eugeniy]
- Enable unaligned access early to prevent exceptions given newer gcc
code gen [Eugeniy]
- Tighten up uboot arg checking to prevent false negatives and also
allow both jtag and bootloading to coexist w/o config option as
needed by kernelCi folks [Eugeniy]
- Set slab alignment to 8 for ARC to avoid the atomic64_t unalign [Alexey]
- Disable regfile auto save on interrupts on HSDK platform due to a
silicon issue [Vineet]
- Avoid HS38x boot printing crash by not reading HS48x only reg [Vineet]
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Merge tag 'arc-5.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Fixes for ARC for 5.0, bunch of those are stable fodder anyways so
sooner the better.
- Fix memcpy to prevent prefetchw beyond end of buffer [Eugeniy]
- Enable unaligned access early to prevent exceptions given newer gcc
code gen [Eugeniy]
- Tighten up uboot arg checking to prevent false negatives and also
allow both jtag and bootloading to coexist w/o config option as
needed by kernelCi folks [Eugeniy]
- Set slab alignment to 8 for ARC to avoid the atomic64_t unalign
[Alexey]
- Disable regfile auto save on interrupts on HSDK platform due to a
silicon issue [Vineet]
- Avoid HS38x boot printing crash by not reading HS48x only reg
[Vineet]"
* tag 'arc-5.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: don't assume core 0x54 has dual issue
ARC: define ARCH_SLAB_MINALIGN = 8
ARC: enable uboot support unconditionally
ARC: U-boot: check arguments paranoidly
ARCv2: support manual regfile save on interrupts
ARC: uacces: remove lp_start, lp_end from clobber list
ARC: fix actionpoints configuration detection
ARCv2: lib: memcpy: fix doing prefetchw outside of buffer
ARCv2: Enable unaligned access in early ASM code
We recently created a bpf@vger.kernel.org list (https://lore.kernel.org/bpf/)
for BPF related discussions, originally in context of BPF track at LSF/MM
for topic discussions. It's *optional* but *desirable* to keep it in Cc for
BPF related kernel/loader/llvm/tooling threads, meaning also infrastructure
like llvm that sits on top of kernel but is crucial to BPF. In any case,
netdev with it's bpf delegate is *as-is* today primary list for patches, so
nothing changes in the workflow. Main purpose is to have some more awareness
for the bpf@vger.kernel.org list that folks can Cc for BPF specific topics.
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Pull parisc fixes from Helge Deller:
"Fix ptrace syscall number modification which has been broken since
kernel v4.5 and provide alternative email addresses for the remaining
users of the retired parisc-linux.org email domain"
* 'parisc-5.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
CREDITS/MAINTAINERS: Retire parisc-linux.org email domain
parisc: Fix ptrace syscall number modification
- fix scripts/kallsyms.c to correctly check too long symbol names
- fix sh build error for the combination of CONFIG_OF_EARLY_FLATTREE=y
and CONFIG_USE_BUILTIN_DTB=n
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Merge tag 'kbuild-fixes-v5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild fixes from Masahiro Yamada:
- fix scripts/kallsyms.c to correctly check too long symbol names
- fix sh build error for the combination of CONFIG_OF_EARLY_FLATTREE=y
and CONFIG_USE_BUILTIN_DTB=n
* tag 'kbuild-fixes-v5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
sh: fix build error for invisible CONFIG_BUILTIN_DTB_SOURCE
kallsyms: Handle too long symbols in kallsyms.c
Paolo Abeni says:
====================
udp: a few fixes
This series includes some UDP-related fixlet. All this stuff has been
pointed out by the sparse tool. The first two patches are just annotation
related, while the last 2 cover some very unlikely races.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Similar to the previous commit, this addresses the same issue for
ipv4: use a single fetch operation and use the correct rcu
annotation.
Fixes: e7cc082455 ("udp: Support for error handlers of tunnels with arbitrary destination port")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before derefencing the encap pointer, commit e7cc082455 ("udp: Support
for error handlers of tunnels with arbitrary destination port") checks
for a NULL value, but the two fetch operation can race with removal.
Fix the above using a single access.
Also fix a couple of type annotations, to make sparse happy.
Fixes: e7cc082455 ("udp: Support for error handlers of tunnels with arbitrary destination port")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Last argument of gue6_err_proto_handler() has a wrong type annotation,
fix it and make sparse happy again.
Fixes: b8a51b38e4 ("fou, fou6: ICMP error handlers for FoU and GUE")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 029a374348 ("udp6: cleanup stats accounting in recvmsg()")
I forgot to add the percpu annotation for the mib pointer. Add it, and
make sparse happy.
Fixes: 029a374348 ("udp6: cleanup stats accounting in recvmsg()")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255 to
keep legacy software happy. This is similar to what was done for
ipv4 in commit 709772e6e0 ("net: Fix routing tables with
id > 255 for legacy software").
Signed-off-by: Kalash Nainwal <kalash@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: firmware message delay fixes.
We were seeing some intermittent firmware message timeouts in our lab and
these 2 small patches fix them. Please apply to stable as well. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The code waits up to 20 usec for the firmware response to complete
once we've seen the valid response header in the buffer. It turns
out that in some scenarios, this wait time is not long enough.
Extend it to 150 usec and use usleep_range() instead of udelay().
Fixes: 9751e8e714 ("bnxt_en: reduce timeout on initial HWRM calls")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The logic that polls for the firmware message response uses a shorter
sleep interval for the first few passes. But there was a typo so it
was using the wrong counter (larger counter) for these short sleep
passes. The result is a slightly shorter timeout period for these
firmware messages than intended. Fix it by using the proper counter.
Fixes: 9751e8e714 ("bnxt_en: reduce timeout on initial HWRM calls")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiong Wang says:
====================
Code-gen for BPF_ALU | BPF_XOR | BPF_K is wrong when imm is -1,
also high 32-bit of 64-bit register should always be cleared.
This set fixed both bugs.
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
NFP BPF JIT compiler is doing a couple of small optimizations when jitting
ALU imm instructions, some of these optimizations could save code-gen, for
example:
A & -1 = A
A | 0 = A
A ^ 0 = A
However, for ALU32, high 32-bit of the 64-bit register should still be
cleared according to ISA semantics.
Fixes: cd7df56ed3 ("nfp: add BPF to NFP code translator")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
The intended optimization should be A ^ 0 = A, not A ^ -1 = A.
Fixes: cd7df56ed3 ("nfp: add BPF to NFP code translator")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* mac80211 mesh code wasn't allocating SKB tailroom properly
in some cases
* tx_sk_pacing_shift should be 7 for better performance
* mac80211_hwsim wasn't propagating genlmsg_reply() errors
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Merge tag 'mac80211-for-davem-2019-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Three more fixes:
* mac80211 mesh code wasn't allocating SKB tailroom properly
in some cases
* tx_sk_pacing_shift should be 7 for better performance
* mac80211_hwsim wasn't propagating genlmsg_reply() errors
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
