Register ndo callback via flow_indr_dev_register() and
flow_indr_dev_unregister().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Register ndo callback via flow_indr_dev_register() and
flow_indr_dev_unregister().
No need for mlx5e_rep_indr_clean_block_privs() since flow_block_cb_free()
already releases the internal mapping via ->release callback, which in
this case is mlx5e_rep_indr_tc_block_unbind().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update existing frontends to use flow_indr_dev_setup_offload().
This new function must be called if ->ndo_setup_tc is unset to deal
with tunnel devices.
If there is no driver that is subscribed to new tunnel device
flow_block bindings, then this function bails out with EOPNOTSUPP.
If the driver module is removed, the ->cleanup() callback removes the
entries that belong to this tunnel device. This cleanup procedures is
triggered when the device unregisters the tunnel device offload handler.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a helper function to initialize the flow_block_offload structure.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tunnel devices provide no dev->netdev_ops->ndo_setup_tc(...) interface.
The tunnel device and route control plane does not provide an obvious
way to relate tunnel and physical devices.
This patch allows drivers to register a tunnel device offload handler
for the tc and netfilter frontends through flow_indr_dev_register() and
flow_indr_dev_unregister().
The frontend calls flow_indr_dev_setup_offload() that iterates over the
list of drivers that are offering tunnel device hardware offload
support and it sets up the flow block for this tunnel device.
If the driver module is removed, the indirect flow_block ends up with a
stale callback reference. The module removal path triggers the
dev_shutdown() path to remove the qdisc and the flow_blocks for the
physical devices. However, this is not useful for tunnel devices, where
relation between the physical and the tunnel device is not explicit.
This patch introduces a cleanup callback that is invoked when the driver
module is removed to clean up the tunnel device flow_block. This patch
defines struct flow_block_indr and it uses it from flow_block_cb to
store the information that front-end requires to perform the
flow_block_cb cleanup on module removal.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This function schedules the flow teardown state and it forces a gc run.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This has been a very active release for the regmap API for some reason,
a lot of it due to new devices with odd requirements that can sensibly
be handled here.
- Add support for buses implementing a custom reg_update_bits()
method in case the bus has a native operation for this.
- Support 16 bit register addresses in SMBus.
- Allow customization of the device attached to regmap-irq.
- Helpers for bitfield operations and per-port field initializations.
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Merge tag 'regmap-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"This has been a very active release for the regmap API for some
reason, a lot of it due to new devices with odd requirements that can
sensibly be handled here.
- Add support for buses implementing a custom reg_update_bits()
method in case the bus has a native operation for this.
- Support 16 bit register addresses in SMBus.
- Allow customization of the device attached to regmap-irq.
- Helpers for bitfield operations and per-port field initializations"
* tag 'regmap-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: provide helpers for simple bit operations
regmap: add helper for per-port regfield initialization
regmap-i2c: add 16-bit width registers support
regmap: Simplify implementation of the regmap_field_read_poll_timeout() macro
regmap: Simplify implementation of the regmap_read_poll_timeout() macro
regmap: add reg_sequence helpers
regmap-irq: make it possible to add irq_chip do a specific device node
regmap: Add bus reg_update_bits() support
regmap: debugfs: check count when read regmap file
trying to configure TC 'act_gate' rules with invalid control actions, the
following splat can be observed:
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 PID: 2143 Comm: tc Not tainted 5.7.0-rc6+ #168
Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014
RIP: 0010:hrtimer_active+0x56/0x290
[...]
Call Trace:
hrtimer_try_to_cancel+0x6d/0x330
hrtimer_cancel+0x11/0x20
tcf_gate_cleanup+0x15/0x30 [act_gate]
tcf_action_cleanup+0x58/0x170
__tcf_action_put+0xb0/0xe0
__tcf_idr_release+0x68/0x90
tcf_gate_init+0x7c7/0x19a0 [act_gate]
tcf_action_init_1+0x60f/0x960
tcf_action_init+0x157/0x2a0
tcf_action_add+0xd9/0x2f0
tc_ctl_action+0x2a3/0x39d
rtnetlink_rcv_msg+0x5f3/0x920
netlink_rcv_skb+0x121/0x350
netlink_unicast+0x439/0x630
netlink_sendmsg+0x714/0xbf0
sock_sendmsg+0xe2/0x110
____sys_sendmsg+0x5b4/0x890
___sys_sendmsg+0xe9/0x160
__sys_sendmsg+0xd3/0x170
do_syscall_64+0x9a/0x370
entry_SYSCALL_64_after_hwframe+0x44/0xa9
this is caused by hrtimer_cancel(), running before hrtimer_init(). Fix it
ensuring to call hrtimer_cancel() only if clockid is valid, and the timer
has been initialized. After fixing this splat, the same error path causes
another problem:
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 980 Comm: tc Not tainted 5.7.0-rc6+ #168
Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014
RIP: 0010:release_entry_list+0x4a/0x240 [act_gate]
[...]
Call Trace:
tcf_action_cleanup+0x58/0x170
__tcf_action_put+0xb0/0xe0
__tcf_idr_release+0x68/0x90
tcf_gate_init+0x7ab/0x19a0 [act_gate]
tcf_action_init_1+0x60f/0x960
tcf_action_init+0x157/0x2a0
tcf_action_add+0xd9/0x2f0
tc_ctl_action+0x2a3/0x39d
rtnetlink_rcv_msg+0x5f3/0x920
netlink_rcv_skb+0x121/0x350
netlink_unicast+0x439/0x630
netlink_sendmsg+0x714/0xbf0
sock_sendmsg+0xe2/0x110
____sys_sendmsg+0x5b4/0x890
___sys_sendmsg+0xe9/0x160
__sys_sendmsg+0xd3/0x170
do_syscall_64+0x9a/0x370
entry_SYSCALL_64_after_hwframe+0x44/0xa9
the problem is similar: tcf_action_cleanup() was trying to release a list
without initializing it first. Ensure that INIT_LIST_HEAD() is called for
every newly created 'act_gate' action, same as what was done to 'act_ife'
with commit 44c23d7159 ("net/sched: act_ife: initalize ife->metalist
earlier").
Fixes: a51c328df3 ("net: qos: introduce a gate control flow action")
CC: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pioneer DJ DJM-900NXS2 is a widely used DJ mixer with 2 audio USB
interfaces. Both have a MIDI controller, 10 playback and 12 capture
channels. Audio endpoints are vendor-specific and 3 files need to be
patched. All playback and capture channels work fine with all supported
sample rates (44.1k, 48k, 96k). Patches are attached.
Signed-off-by: Dmitry Panchenko <dmitry@d-systems.ee>
Link: https://lore.kernel.org/r/48ab19ff-3303-9bf8-ed0e-bcb31d8537eb@d-systems.ee
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Bartosz Golaszewski says:
====================
regmap: provide simple bitops and use them in a driver
I noticed that oftentimes I use regmap_update_bits() for simple bit
setting or clearing. In this case the fourth argument is superfluous as
it's always 0 or equal to the mask argument.
This series proposes to add simple bit operations for setting, clearing
and testing specific bits with regmap.
The second patch uses all three in a driver that got recently picked into
the net-next tree.
The patches obviously target different trees so - if you're ok with
the change itself - I propose you pick the first one into your regmap
tree for v5.8 and then I'll resend the second patch to add the first
user for these macros for v5.9.
v1 -> v2:
- convert the new macros to static inline functions
v2 -> v3:
- drop unneeded ternary operator
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Shrink the code visually by replacing regmap_update_bits() with
appropriate regmap bit operations where applicable.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In many instances regmap_update_bits() is used for simple bit setting
and clearing. In these cases the last argument is redundant and we can
hide it with a static inline function.
This adds three new helpers for simple bit operations: set_bits,
clear_bits and test_bits (the last one defined as a regular function).
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Infrastructure
- Add notification support
New drivers
- Baikal-T1 PVT sensor driver
- amd_energy driver to report energy counters
- Driver for Maxim MAX16601
- Gateworks System Controller
Various
- applesmc: avoid overlong udelay()
- dell-smm: Use one DMI match for all XPS models
- ina2xx: Implement alert functions
- lm70: Add support for ACPI
- lm75: Fix coding-style warnings
- lm90: Add max6654 support to lm90 driver
- nct7802: Replace container_of() API
- nct7904: Set default timeout
- nct7904: Add watchdog function
- pmbus: Improve initialization of 'currpage' and 'currphase'
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Merge tag 'hwmon-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Infrastructure:
- Add notification support
New drivers:
- Baikal-T1 PVT sensor driver
- amd_energy driver to report energy counters
- Driver for Maxim MAX16601
- Gateworks System Controller
Various:
- applesmc: avoid overlong udelay()
- dell-smm: Use one DMI match for all XPS models
- ina2xx: Implement alert functions
- lm70: Add support for ACPI
- lm75: Fix coding-style warnings
- lm90: Add max6654 support to lm90 driver
- nct7802: Replace container_of() API
- nct7904: Set default timeout
- nct7904: Add watchdog function
- pmbus: Improve initialization of 'currpage' and 'currphase'"
* tag 'hwmon-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (24 commits)
hwmon: Add Baikal-T1 PVT sensor driver
hwmon: Add notification support
dt-bindings: hwmon: Add Baikal-T1 PVT sensor binding
hwmon: (applesmc) avoid overlong udelay()
hwmon: (nct7904) Set default timeout
hwmon: (amd_energy) Missing platform_driver_unregister() on error in amd_energy_init()
MAINTAINERS: add entry for AMD energy driver
hwmon: (amd_energy) Add documentation
hwmon: Add amd_energy driver to report energy counters
hwmon: (nct7802) Replace container_of() API
hwmon: (lm90) Add max6654 support to lm90 driver
hwmon : (nct6775) Use kobj_to_dev() API
hwmon: (pmbus) Driver for Maxim MAX16601
hwmon: (pmbus) Improve initialization of 'currpage' and 'currphase'
hwmon: (adt7411) update contact email
hwmon: (lm75) Fix all coding-style warnings on lm75 driver
hwmon: Reduce indentation level in __hwmon_device_register()
hwmon: (ina2xx) Implement alert functions
hwmon: (lm70) Add support for ACPI
hwmon: (dell-smm) Use one DMI match for all XPS models
...
The caller doesn't care about the error codes, they only check for zero
vs non-zero. Still, it's better to preserve the negative error codes
from alloc_uld_rxqs() instead of changing it to 1. We can also return
directly if there is a failure.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'tpmdd-next-20200522' of git://git.infradead.org/users/jjs/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen.
* tag 'tpmdd-next-20200522' of git://git.infradead.org/users/jjs/linux-tpmdd:
tpm: eventlog: Replace zero-length array with flexible-array member
tpm/tpm_ftpm_tee: Use UUID API for exporting the UUID
This has been another very active release with a bunch of new drivers,
lots of fixes everywhere and continued core improvements from
Morimoto-san:
- Lots of core cleanups and refactorings from Morimoto-san, factoring
out common operations and making the card abstraction more solid.
- Continued work on cleaning up and improving the Intel drivers, along
with some new platform support for them.
- Fixes to make the Marvell SSPA driver work upstream.
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
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Merge tag 'asoc-v5.8' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.8
This has been another very active release with a bunch of new drivers,
lots of fixes everywhere and continued core improvements from
Morimoto-san:
- Lots of core cleanups and refactorings from Morimoto-san, factoring
out common operations and making the card abstraction more solid.
- Continued work on cleaning up and improving the Intel drivers, along
with some new platform support for them.
- Fixes to make the Marvell SSPA driver work upstream.
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
Ido Schimmel says:
====================
Fix infinite loop in bridge and vxlan modules
When suppressing invalid IPv6 Neighbour Solicitation messages, it is
possible for the bridge and vxlan modules to get stuck in an infinite
loop. See the individual changelogs for detailed explanation of the
problem and solution.
The bug was originally reported against the bridge module, but after
auditing the code base I found that the buggy code was copied from the
vxlan module. This patch set fixes both modules. Could not find more
instances of the problem.
Please consider both patches for stable releases.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When proxy mode is enabled the vxlan device might reply to Neighbor
Solicitation (NS) messages on behalf of remote hosts.
In case the NS message includes the "Source link-layer address" option
[1], the vxlan device will use the specified address as the link-layer
destination address in its reply.
To avoid an infinite loop, break out of the options parsing loop when
encountering an option with length zero and disregard the NS message.
This is consistent with the IPv6 ndisc code and RFC 4886 which states
that "Nodes MUST silently discard an ND packet that contains an option
with length zero" [2].
[1] https://tools.ietf.org/html/rfc4861#section-4.3
[2] https://tools.ietf.org/html/rfc4861#section-4.6
Fixes: 4b29dba9c0 ("vxlan: fix nonfunctional neigh_reduce()")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When neighbor suppression is enabled the bridge device might reply to
Neighbor Solicitation (NS) messages on behalf of remote hosts.
In case the NS message includes the "Source link-layer address" option
[1], the bridge device will use the specified address as the link-layer
destination address in its reply.
To avoid an infinite loop, break out of the options parsing loop when
encountering an option with length zero and disregard the NS message.
This is consistent with the IPv6 ndisc code and RFC 4886 which states
that "Nodes MUST silently discard an ND packet that contains an option
with length zero" [2].
[1] https://tools.ietf.org/html/rfc4861#section-4.3
[2] https://tools.ietf.org/html/rfc4861#section-4.6
Fixes: ed842faeb2 ("bridge: suppress nd pkts on BR_NEIGH_SUPPRESS ports")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Alla Segal <allas@mellanox.com>
Tested-by: Alla Segal <allas@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After allocating the spare nexthop group it should be tested for kzalloc()
returning NULL, instead the already used nexthop group (which cannot be
NULL at this point) had been tested so far.
Additionally, if kzalloc() fails, return ERR_PTR(-ENOMEM) instead of NULL.
Coverity-id: 1463885
Reported-by: Coverity <scan-admin@coverity.com>
Signed-off-by: Patrick Eigensatz <patrickeigensatz@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hedberg says:
====================
pull request: bluetooth-next 2020-06-01
Here's one last bluetooth-next pull request for 5.8, which I hope can
still be accepted.
- Enabled Wide-Band Speech (WBS) support for Qualcomm wcn3991
- Multiple fixes/imprvovements to Qualcomm-based devices
- Fix GAP/SEC/SEM/BI-10-C qualfication test case
- Added support for Broadcom BCM4350C5 device
- Several other smaller fixes & improvements
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- add, update support and fix few flashes
- prepare BFPT parsing for JESD216 rev D
- kernel doc fixes
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Merge tag 'spi-nor/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
SPI NOR core changes:
- add, update support and fix few flashes
- prepare BFPT parsing for JESD216 rev D
- kernel doc fixes
* Stop using nand_release(), patched all drivers.
* Give more information about the ECC weakness when not matching the
chip's requirement.
* MAINTAINERS updates.
* Support emulated SLC mode on MLC NANDs.
* Support "constrained" controllers, adapt the core and ONFI/JEDEC
table parsing and Micron's code.
* Take check_only into account.
* Add an invalid ECC mode to discriminate with valid ones.
* Return an enum from of_get_nand_ecc_algo().
* Drop OOB_FIRST placement scheme.
* Introduce nand_extract_bits().
* Ensure a consistent bitflips numbering.
* BCH lib:
- Allow easy bit swapping.
- Rework a little bit the exported function names.
* Fix nand_gpio_waitrdy().
* Propage CS selection to sub operations.
* Add a NAND_NO_BBM_QUIRK flag.
* Give the possibility to verify a read operation is supported.
* Add a helper to check supported operations.
* Avoid indirect access to ->data_buf().
* Rename the use_bufpoi variables.
* Fix comments about the use of bufpoi.
* Rename a NAND chip option.
* Reorder the nand_chip->options flags.
* Translate obscure bitfields into readable macros.
* Timings:
- Fix default values.
- Add mode information to the timings structure.
Raw NAND controller driver changes:
* Fixed many error paths.
* Arasan
- New driver
* Au1550nd:
- Various cleanups
- Migration to ->exec_op()
* brcmnand:
- Misc cleanup.
- Support v2.1-v2.2 controllers.
- Remove unused including <linux/version.h>.
- Correctly verify erased pages.
- Fix Hamming OOB layout.
* Cadence
- Make cadence_nand_attach_chip static.
* Cafe:
- Set the NAND_NO_BBM_QUIRK flag
* cmx270:
- Remove this controller driver.
* cs553x:
- Misc cleanup
- Migration to ->exec_op()
* Davinci:
- Misc cleanup.
- Migration to ->exec_op()
* Denali:
- Add more delays before latching incoming data
* Diskonchip:
- Misc cleanup
- Migration to ->exec_op()
* Fsmc:
- Change to non-atomic bit operations.
* GPMI:
- Use nand_extract_bits()
- Fix runtime PM imbalance.
* Ingenic:
- Migration to exec_op()
- Fix the RB gpio active-high property on qi, lb60
- Make qi_lb60_ooblayout_ops static.
* Marvell:
- Misc cleanup and small fixes
* Nandsim:
- Fix the error paths, driver wide.
* Omap_elm:
- Fix runtime PM imbalance.
* STM32_FMC2:
- Misc cleanups (error cases, comments, timeout valus, cosmetic
changes).
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Merge tag 'nand/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
Raw NAND core changes:
* Stop using nand_release(), patched all drivers.
* Give more information about the ECC weakness when not matching the
chip's requirement.
* MAINTAINERS updates.
* Support emulated SLC mode on MLC NANDs.
* Support "constrained" controllers, adapt the core and ONFI/JEDEC
table parsing and Micron's code.
* Take check_only into account.
* Add an invalid ECC mode to discriminate with valid ones.
* Return an enum from of_get_nand_ecc_algo().
* Drop OOB_FIRST placement scheme.
* Introduce nand_extract_bits().
* Ensure a consistent bitflips numbering.
* BCH lib:
- Allow easy bit swapping.
- Rework a little bit the exported function names.
* Fix nand_gpio_waitrdy().
* Propage CS selection to sub operations.
* Add a NAND_NO_BBM_QUIRK flag.
* Give the possibility to verify a read operation is supported.
* Add a helper to check supported operations.
* Avoid indirect access to ->data_buf().
* Rename the use_bufpoi variables.
* Fix comments about the use of bufpoi.
* Rename a NAND chip option.
* Reorder the nand_chip->options flags.
* Translate obscure bitfields into readable macros.
* Timings:
- Fix default values.
- Add mode information to the timings structure.
Raw NAND controller driver changes:
* Fixed many error paths.
* Arasan
- New driver
* Au1550nd:
- Various cleanups
- Migration to ->exec_op()
* brcmnand:
- Misc cleanup.
- Support v2.1-v2.2 controllers.
- Remove unused including <linux/version.h>.
- Correctly verify erased pages.
- Fix Hamming OOB layout.
* Cadence
- Make cadence_nand_attach_chip static.
* Cafe:
- Set the NAND_NO_BBM_QUIRK flag
* cmx270:
- Remove this controller driver.
* cs553x:
- Misc cleanup
- Migration to ->exec_op()
* Davinci:
- Misc cleanup.
- Migration to ->exec_op()
* Denali:
- Add more delays before latching incoming data
* Diskonchip:
- Misc cleanup
- Migration to ->exec_op()
* Fsmc:
- Change to non-atomic bit operations.
* GPMI:
- Use nand_extract_bits()
- Fix runtime PM imbalance.
* Ingenic:
- Migration to exec_op()
- Fix the RB gpio active-high property on qi, lb60
- Make qi_lb60_ooblayout_ops static.
* Marvell:
- Misc cleanup and small fixes
* Nandsim:
- Fix the error paths, driver wide.
* Omap_elm:
- Fix runtime PM imbalance.
* STM32_FMC2:
- Misc cleanups (error cases, comments, timeout valus, cosmetic
changes).
Print IRQ number used by DPC port, like AER/PME does. It provides
convenience to track DPC interrupts counts of certain port from
/proc/interrupts.
Link: https://lore.kernel.org/r/1589018214-52752-1-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Previously we used "pos" or "aer_pos" for the offset of the AER Capability.
Use "aer" consistently and initialize it the same way everywhere. No
functional change intended.
Link: https://lore.kernel.org/r/20200529230915.GA479883@bjorn-Precision-5520
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Commit c100beb9cc ("PCI/AER: Use only _OSC to determine AER ownership")
removed the use of HEST in determining AER ownership, but the AER driver
still used HEST to verify AER ownership in some of its APIs.
Per the ACPI spec v6.3, sec 18.3.2.4, some HEST table entries contain a
FIRMWARE_FIRST bit, but that bit does not tell us anything about ownership
of the AER capability.
Remove parsing of HEST to look for FIRMWARE_FIRST.
Add pcie_aer_is_native() for the places that need to know whether the OS
owns the AER capability.
[bhelgaas: commit log, reorder patch, remove unused __aer_firmware_first]
Link: https://lore.kernel.org/r/9a37f53a4e6ff4942ff8e18dbb20b00e16c47341.1590534843.git.sathyanarayanan.kuppuswamy@linux.intel.com
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Ever noticed that our interrupt handlers are where we spend most of our
time on a busy system? In part this is unavoidable as each interrupt
requires to poll and reset several registers, but we can try and do so as
efficiently as possible.
Function old new delta
ilk_irq_handler 2317 2156 -161
v2: Restore the irqreturn_t ret
Function old new delta
ilk_irq_handler.cold 63 72 +9
ilk_irq_handler 2221 2080 -141
A slight improvement in the baseline overnight as well!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200601140355.20243-1-chris@chris-wilson.co.uk
Pull ARM cpufreq updates for v5.8-rc1 (part 2) from Viresh Kumar:
"This contains a single patch to enable CPUFREQ_NEED_INITIAL_FREQ_CHECK
flag for tegra driver."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: tegra186: add CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
We really don't care about triggering buffer errors for this condition.
This avoids a spew of:
Buffer I/O error on dev sdc, logical block 785929, async page read
Buffer I/O error on dev sdc, logical block 759095, async page read
Buffer I/O error on dev sdc, logical block 766922, async page read
Buffer I/O error on dev sdc, logical block 17659, async page read
Buffer I/O error on dev sdc, logical block 637571, async page read
Buffer I/O error on dev sdc, logical block 39241, async page read
Buffer I/O error on dev sdc, logical block 397241, async page read
Buffer I/O error on dev sdc, logical block 763992, async page read
from -EAGAIN conditions on request allocation for async reads.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
vmx_tsc_adjust_test fails with:
IA32_TSC_ADJUST is -4294969448 (-1 * TSC_ADJUST_VALUE + -2152).
IA32_TSC_ADJUST is -4294969448 (-1 * TSC_ADJUST_VALUE + -2152).
IA32_TSC_ADJUST is 281470681738540 (65534 * TSC_ADJUST_VALUE + 4294962476).
==== Test Assertion Failure ====
x86_64/vmx_tsc_adjust_test.c:153: false
pid=19738 tid=19738 - Interrupted system call
1 0x0000000000401192: main at vmx_tsc_adjust_test.c:153
2 0x00007fe1ef8583d4: ?? ??:0
3 0x0000000000401201: _start at ??:?
Failed guest assert: (adjust <= max)
The problem is that is 'tsc_val' should be u64, not u32 or the reading
gets truncated.
Fixes: 8d7fbf01f9 ("KVM: selftests: VMX preemption timer migration test")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200601154726.261868-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Recently, I switched over from swap-file to zramswap.
When reading the Documentation/vm/zswap.rst file I fell over this typo.
The parameter is called accept_threshold_percent not accept_threhsold_percent
in /sys/module/zswap/parameters/ directory.
Fixes: 45190f01dd ("mm/zswap.c: add allocation hysteresis if pool limit is hit")
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Link: https://lore.kernel.org/r/20200601005911.31222-1-sedat.dilek@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This is currently working due to extra include paths in the build.
Before:
$ cd tools/perf/arch/arm64/util
$ ls -la ../../util/unwind-libdw.h
ls: cannot access '../../util/unwind-libdw.h': No such file or directory
After:
$ ls -la ../../../util/unwind-libdw.h
-rw-r----- 1 irogers irogers 553 Apr 17 14:31 ../../../util/unwind-libdw.h
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200529225232.207532-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This patch is to add four options to synthesize events which are
described as below:
'f': synthesize first level cache events
'm': synthesize last level cache events
't': synthesize TLB events
'a': synthesize remote access events
This four options will be used by ARM SPE as their first consumer.
Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Tested-by: James Clark <james.clark@arm.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Al Grant <al.grant@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20200530122442.490-3-leo.yan@linaro.org
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Create a new arm-spe-decoder directory for subsequent extensions and
move arm-spe-pkt-decoder.h/c to this directory. No code changes.
Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Tested-by: James Clark <james.clark@arm.com>
Tested-by: Qi Liu <liuqi115@hisilicon.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Al Grant <al.grant@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20200530122442.490-2-leo.yan@linaro.org
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Avoid a false positive caused by assembly code in arch/x86.
In tests, zero the perf_event to avoid uninitialized memory uses.
Warnings were caught using clang with -fsanitize=memory.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: clang-built-linux@googlegroups.com
Link: http://lore.kernel.org/lkml/20200530082015.39162-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The tail call optimization can unexpectedly make the stack smaller and
cause the test to fail.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: clang-built-linux@googlegroups.com
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200530082015.39162-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tail call optimizations can remove stack frames that are used in
unwinding tests. Add an attribute that can be used to disable the tail
call optimization. Tested on clang and GCC.
Committer notes:
Old versions of clang don't like that __attribute__((optimize)), so add
an ifdef to make it go away.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: clang-built-linux@googlegroups.com
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200530082015.39162-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* acpi-processor:
ACPI: processor: idle: Allow probing on platforms with one ACPI C-state
* acpi-cppc:
ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe()
ACPI: CPPC: Make some symbols static
* acpi-dbg:
ACPI: debug: Make two functions static
* acpi-misc:
ACPI: GED: use correct trigger type field in _Exx / _Lxx handling
ACPI: GED: add support for _Exx / _Lxx handler methods
ACPI: Delete unused proc filename macros
* acpi-pci:
ACPI: hotplug: PCI: Use the new acpi_evaluate_reg() helper
ACPI: utils: Add acpi_evaluate_reg() helper
Any runtime WARN_ON() has to be fixed, and BUILD_BUG_ON() can
help you nitice it earlier.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
8a2e8e5dec7e("workqueue: fix cwq->nr_active underflow")
allocated one more bit from the work flags, and it updated
partial of the comments (128 bytes -> 256 bytes), but it
failed to update the info about the number of reserved bits.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Before supporting additional relocation types rename the relevant
types and functions from "rela" to "reloc". This work be done with
the following regex:
sed -e 's/struct rela/struct reloc/g' \
-e 's/\([_\*]\)rela\(s\{0,1\}\)/\1reloc\2/g' \
-e 's/tmprela\(s\{0,1\}\)/tmpreloc\1/g' \
-e 's/relasec/relocsec/g' \
-e 's/rela_list/reloc_list/g' \
-e 's/rela_hash/reloc_hash/g' \
-e 's/add_rela/add_reloc/g' \
-e 's/rela->/reloc->/g' \
-e '/rela[,\.]/{ s/\([^\.>]\)rela\([\.,]\)/\1reloc\2/g ; }' \
-e 's/rela =/reloc =/g' \
-e 's/relas =/relocs =/g' \
-e 's/relas\[/relocs[/g' \
-e 's/relaname =/relocname =/g' \
-e 's/= rela\;/= reloc\;/g' \
-e 's/= relas\;/= relocs\;/g' \
-e 's/= relaname\;/= relocname\;/g' \
-e 's/, rela)/, reloc)/g' \
-e 's/\([ @]\)rela\([ "]\)/\1reloc\2/g' \
-e 's/ rela$/ reloc/g' \
-e 's/, relaname/, relocname/g' \
-e 's/sec->rela/sec->reloc/g' \
-e 's/(\(!\{0,1\}\)rela/(\1reloc/g' \
-i \
arch.h \
arch/x86/decode.c \
check.c \
check.h \
elf.c \
elf.h \
orc_gen.c \
special.c
Notable exceptions which complicate the regex include gelf_*
library calls and standard/expected section names which still use
"rela" because they encode the type of relocation expected. Also, keep
"rela" in the struct because it encodes a specific type of relocation
we currently expect.
It will eventually turn into a member of an anonymous union when a
susequent patch adds implicit addend, or "rel", relocation support.
Signed-off-by: Matt Helsley <mhelsley@vmware.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
While the current locking/serialization of the global state
suffices for protecting the obj->state access and the actual
hardware reprogramming, we do have a problem with accessing
the old/new states during nonblocking commits.
The state computation and swap will be protected by the crtc
locks, but the commit_tails can finish out of order, thus also
causing the atomic states to be cleaned up out of order. This
would mean the commit that started first but finished last has
had its new state freed as the no-longer-needed old state by the
other commit.
To fix this let's just refcount the states. obj->state amounts
to one reference, and the intel_atomic_state holds extra references
to both its new and old global obj states.
Fixes: 0ef1905ecf ("drm/i915: Introduce better global state handling")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200527200245.13184-1-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
