With commit e496561473 {"rtlwifi: Use dev_kfree_skb_irq instead of
kfree_skb"), the method used to free an skb was changed because the
kfree_skb() was inside a spinlock. What was forgotten is that kfree_skb()
guards against a NULL value for the argument. Routine dev_kfree_skb_irq()
does not, and a test is needed to prevent kernel panics.
Fixes: e496561473 ("rtlwifi: Use dev_kfree_skb_irq instead of kfree_skb")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # 4.9+
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
When we switch to virtual addresses and, especially after
reserve_initrd()->relocate_initrd() have run, we have the updated initrd
address in initrd_start. Use initrd_start then instead of the address
which has been passed to us through boot params. (That still gets used
when we're running the very early routines on the BSP).
Reported-and-tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20161220144012.lc4cwrg6dphqbyqu@pd.tnic
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The mmc_read_ssr() function results in DMA to the raw_ssr member of
struct mmc_card, which is not guaranteed to be cache line aligned & thus
might not meet the requirements set out in Documentation/DMA-API.txt:
Warnings: Memory coherency operates at a granularity called the cache
line width. In order for memory mapped by this API to operate
correctly, the mapped region must begin exactly on a cache line
boundary and end exactly on one (to prevent two separately mapped
regions from sharing a single cache line). Since the cache line size
may not be known at compile time, the API will not enforce this
requirement. Therefore, it is recommended that driver writers who
don't take special care to determine the cache line size at run time
only map virtual regions that begin and end on page boundaries (which
are guaranteed also to be cache line boundaries).
On some systems where DMA is non-coherent this can lead to us losing
data that shares cache lines with the raw_ssr array.
Fix this by kmalloc'ing a temporary buffer to perform DMA into. kmalloc
will ensure the buffer is suitably aligned, allowing the DMA to be
performed without any loss of data.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Fixes: 5275a652d2 ("mmc: sd: Export SD Status via “ssr” device attribute")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
s3c64xx_cpufreq_config_regulator is incorrectly annotated
as __init, since the caller is also not init:
WARNING: vmlinux.o(.text+0x92fe1c): Section mismatch in reference from the function s3c64xx_cpufreq_driver_init() to the function .init.text:s3c64xx_cpufreq_config_regulator()
With modern gcc versions, the function gets inline, so we don't
see the warning, this only happens with gcc-4.6 and older.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since CPU hotplug callbacks are requested for CPUHP_AP_ONLINE_DYN state,
successful callback initialization will result in cpuhp_setup_state()
returning a positive value. Therefore acpi_cpufreq_online being zero
indicates that callbacks have not been installed.
This means that acpi_cpufreq_boost_exit() should only remove them if
acpi_cpufreq_online is positive. Trying to call
cpuhp_remove_state_nocalls(0) will cause a BUG().
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When ivoked with CPUHP_AP_ONLINE_DYN state __cpuhp_setup_state()
is expected to return positive value which is the hotplug state that
the routine assigns.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since all users are cleaned up, remove the 2 deprecated APIs due to no
users.
As a Linux variable rather than an ACPICA variable, acpi_gbl_permanent_mmap
is renamed to acpi_permanent_mmap to have a consistent coding style across
entire Linux ACPI subsystem.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This patch removes the users of the deprectated APIs:
acpi_get_table_with_size()
early_acpi_os_unmap_memory()
The following APIs should be used instead of:
acpi_get_table()
acpi_put_table()
The deprecated APIs are invented to be a replacement of acpi_get_table()
during the early stage so that the early mapped pointer will not be stored
in ACPICA core and thus the late stage acpi_get_table() won't return a
wrong pointer. The mapping size is returned just because it is required by
early_acpi_os_unmap_memory() to unmap the pointer during early stage.
But as the mapping size equals to the acpi_table_header.length
(see acpi_tb_init_table_descriptor() and acpi_tb_validate_table()), when
such a convenient result is returned, driver code will start to use it
instead of accessing acpi_table_header to obtain the length.
Thus this patch cleans up the drivers by replacing returned table size with
acpi_table_header.length, and should be a no-op.
Reported-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit d98de9ca14891130efc5dcdc871b97eb27b4b0f5
FADT parsing code requires FADT to be installed as
ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, using new
acpi_tb_get_table()/acpi_tb_put_table(), other address types can also be allowed,
thus facilitates FADT customization with virtual address. Lv Zheng.
Link: https://github.com/acpica/acpica/commit/d98de9ca
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit cac6790954d4d752a083e6122220b8a22febcd07
This patch back ports Linux acpi_get_table_with_size() and
early_acpi_os_unmap_memory() into ACPICA upstream to reduce divergences.
The 2 APIs are used by Linux as table management APIs for long time, it
contains a hidden logic that during the early stage, the mapped tables
should be unmapped before the early stage ends.
During the early stage, tables are handled by the following sequence:
acpi_get_table_with_size();
parse the table
early_acpi_os_unmap_memory();
During the late stage, tables are handled by the following sequence:
acpi_get_table();
parse the table
Linux uses acpi_gbl_permanent_mmap to distinguish the early stage and the
late stage.
The reasoning of introducing acpi_get_table_with_size() is: ACPICA will
remember the early mapped pointer in acpi_get_table() and Linux isn't able to
prevent ACPICA from using the wrong early mapped pointer during the late
stage as there is no API provided from ACPICA to be an inverse of
acpi_get_table() to forget the early mapped pointer.
But how ACPICA can work with the early/late stage requirement? Inside of
ACPICA, tables are ensured to be remained in "INSTALLED" state during the
early stage, and they are carefully not transitioned to "VALIDATED" state
until the late stage. So the same logic is in fact implemented inside of
ACPICA in a different way. The gap is only that the feature is not provided
to the OSPMs in an accessible external API style.
It then is possible to fix the gap by providing an inverse of
acpi_get_table() from ACPICA, so that the two Linux sequences can be
combined:
acpi_get_table();
parse the table
acpi_put_table();
In order to work easier with the current Linux code, acpi_get_table() and
acpi_put_table() is implemented in a usage counting based style:
1. When the usage count of the table is increased from 0 to 1, table is
mapped and .Pointer is set with the mapping address (VALIDATED);
2. When the usage count of the table is decreased from 1 to 0, .Pointer
is unset and the mapping address is unmapped (INVALIDATED).
So that we can deploy the new APIs to Linux with minimal effort by just
invoking acpi_get_table() in acpi_get_table_with_size() and invoking
acpi_put_table() in early_acpi_os_unmap_memory(). Lv Zheng.
Link: https://github.com/acpica/acpica/commit/cac67909
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pull networking fixes and cleanups from David Miller:
1) Use rb_entry() instead of hardcoded container_of(), from Geliang
Tang.
2) Use correct memory barriers in stammac driver, from Pavel Machek.
3) Fix assoc bind address handling in SCTP, from Xin Long.
4) Make the length check for UFO handling consistent between
__ip_append_data() and ip_finish_output(), from Zheng Li.
5) HSI driver compatible strings were busted fro hix5hd2, from Dongpo
Li.
6) Handle devm_ioremap() errors properly in cavium driver, from Arvind
Yadav.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
RDS: use rb_entry()
net_sched: sch_netem: use rb_entry()
net_sched: sch_fq: use rb_entry()
net/mlx5: use rb_entry()
ethernet: sfc: Add Kconfig entry for vendor Solarflare
sctp: not copying duplicate addrs to the assoc's bind address list
sctp: reduce indent level in sctp_copy_local_addr_list
ARM: dts: hix5hd2: don't change the existing compatible string
net: hix5hd2_gmac: fix compatible strings name
openvswitch: Add a missing break statement.
net: netcp: ethss: fix 10gbe host port tx pri map configuration
net: netcp: ethss: fix errors in ethtool ops
fsl/fman: enable compilation on ARM64
fsl/fman: A007273 only applies to PPC SoCs
powerpc: fsl/fman: remove fsl,fman from of_device_ids[]
fsl/fman: fix 1G support for QSGMII interfaces
dt: bindings: net: use boolean dt properties for eee broken modes
net: phy: use boolean dt properties for eee broken modes
net: phy: fix sign type error in genphy_config_eee_advert
ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
...
Merge final set of updates from Andrew Morton:
- a series to make IMA play better across kexec
- a handful of random fixes
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
printk: fix typo in CONSOLE_LOGLEVEL_DEFAULT help text
ratelimit: fix WARN_ON_RATELIMIT return value
kcov: make kcov work properly with KASLR enabled
arm64: setup: introduce kaslr_offset()
mm: fadvise: avoid expensive remote LRU cache draining after FADV_DONTNEED
ima: platform-independent hash value
ima: define a canonical binary_runtime_measurements list format
ima: support restoring multiple template formats
ima: store the builtin/custom template definitions in a list
ima: on soft reboot, save the measurement list
powerpc: ima: send the kexec buffer to the next kernel
ima: maintain memory size needed for serializing the measurement list
ima: permit duplicate measurement list entries
ima: on soft reboot, restore the measurement list
powerpc: ima: get the kexec buffer passed by the previous kernel
Pull mailbox updates from Jassi Brar:
- new features (poll and SRAM usage) added to the mailbox-test driver
- major update of Broadcom's PDC controller driver
- minor fix for auto-loading test and STI driver modules
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: mailbox-test: allow reserved areas in SRAM
mailbox: mailbox-test: add support for fasync/poll
mailbox: bcm-pdc: Remove unnecessary void* casts
mailbox: bcm-pdc: Simplify interrupt handler logic
mailbox: bcm-pdc: Performance improvements
mailbox: bcm-pdc: Don't use iowrite32 to write DMA descriptors
mailbox: bcm-pdc: Convert from threaded IRQ to tasklet
mailbox: bcm-pdc: Try to improve branch prediction
mailbox: bcm-pdc: streamline rx code
mailbox: bcm-pdc: Convert from interrupts to poll for tx done
mailbox: bcm-pdc: PDC driver leaves debugfs files after removal
mailbox: bcm-pdc: Changes so mbox client can be removed / re-inserted
mailbox: bcm-pdc: Use octal permissions rather than symbolic
mailbox: sti: Fix module autoload for OF registration
mailbox: mailbox-test: Fix module autoload
developers, in their wisdom, broke the API in the 0.13 release. This fix
detects the breakage and allows the docs to be built with both the old and
new versions.
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Merge tag 'doc-4.10-3' of git://git.lwn.net/linux
Pull documentation fix from Jonathan Corbet:
"A single fix for the build system.
It would appear that the docutils developers, in their wisdom, broke
the API in the 0.13 release. This fix detects the breakage and allows
the docs to be built with both the old and new versions"
* tag 'doc-4.10-3' of git://git.lwn.net/linux:
docs: sphinx-extensions: make rstFlatTable work with docutils 0.13
- Wire-up new syscalls
- Add new codes and fpga families
- Fix return value
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Merge tag 'microblaze-4.10-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull arch/microblaze updates from Michal Simek:
- wire-up new syscalls
- add new codes and fpga families
- fix a return value
* tag 'microblaze-4.10-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Add new fpga families
microblaze: Add missing release version code v9.6 and v10
microblaze: Add missing syscalls
microblaze: Fix return value from xilinx_timer_init
Restructure the timer interrupt function to better cope with missed timer irqs.
Optimize the calculation when the next interrupt should happen and skip irqs if
they would happen too shortly after exit of the irq function.
The update_process_times() call is done anyway at every timer irq, so we can
safely drop the prof_counter and prof_multiplier variables from the per_cpu
structure.
Signed-off-by: Helge Deller <deller@gmx.de>
To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit
5a6681e22c ("sfc: separate out SFC4000 ("Falcon") support into new sfc-falcon driver")
there are two drivers for Solarflare devices, but both still show up
directly beneath "Ethernet driver support" in the Kconfig. Follow the
pattern of other vendors and group them beneath an own vendor Kconfig
entry for Solarflare.
Cc: Edward Cree <ecree@solarflare.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Xin Long says:
====================
sctp: fix the issue that may copy duplicate addrs into assoc's bind address list
Patch 1/2 is to fix some indent level.
Given that we have kernels out there with this issue, patch 2/2 also
fix sctp_raw_to_bind_addrs.
v1 -> v2:
Explain why we didn't filter the duplicate addresses when global
address list gets updated in patch 2/2 changelog.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
sctp.local_addr_list is a global address list that is supposed to include
all the local addresses. sctp updates this list according to NETDEV_UP/
NETDEV_DOWN notifications.
However, if multiple NICs have the same address, the global list would
have duplicate addresses. Even if for one NIC, promote secondaries in
__inet_del_ifa can also lead to accumulating duplicate addresses.
When sctp binds address 'ANY' and creates a connection, it copies all
the addresses from global list into asoc's bind addr list, which makes
sctp pack the duplicate addresses into INIT/INIT_ACK packets.
This patch is to filter the duplicate addresses when copying the addrs
from global list in sctp_copy_local_addr_list and unpacking addr_param
from cookie in sctp_raw_to_bind_addrs to asoc's bind addr list.
Note that we can't filter the duplicate addrs when global address list
gets updated, As NETDEV_DOWN event may remove an addr that still exists
in another NIC.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to reduce indent level by using continue when the addr
is not allowed, and also drop end_copy by using break.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
New features:
- Introduce 'perf sched timehist --idle', to analyse processes
going to/from idle state (Namhyung Kim)
Fixes:
- Allow 'perf record -u user' to continue when facing races with threads
going away after having scanned them via /proc (Jiri Olsa)
- Fix 'perf mem' --all-user/--all-kernel options (Jiri Olsa)
- Support jumps with multiple arguments (Ravi Bangoria)
- Fix jumps to before the function where they are located (Ravi
Bangoria)
- Fix lock-pi help string (Davidlohr Bueso)
- Fix build of 'perf trace' in odd systems such as a RHEL PPC one (Jiri Olsa)
- Do not overwrite valid build id in 'perf diff' (Kan Liang)
- Don't throw error for zero length symbols, allowing the use of the TUI
in PowerPC, where such symbols became more common recently (Ravi Bangoria)
Infrastructure:
- Switch of samples/bpf/ to use tools/lib/bpf, removing libbpf
duplication (Joe Stringer)
- Move headers check into bash script (Jiri Olsa)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-20161220' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes:
New features:
- Introduce 'perf sched timehist --idle', to analyse processes
going to/from idle state (Namhyung Kim)
Fixes:
- Allow 'perf record -u user' to continue when facing races with threads
going away after having scanned them via /proc (Jiri Olsa)
- Fix 'perf mem' --all-user/--all-kernel options (Jiri Olsa)
- Support jumps with multiple arguments (Ravi Bangoria)
- Fix jumps to before the function where they are located (Ravi Bangoria)
- Fix lock-pi help string (Davidlohr Bueso)
- Fix build of 'perf trace' in odd systems such as a RHEL PPC one (Jiri Olsa)
- Do not overwrite valid build id in 'perf diff' (Kan Liang)
- Don't throw error for zero length symbols, allowing the use of the TUI
in PowerPC, where such symbols became more common recently (Ravi Bangoria)
Infrastructure changes:
- Switch of samples/bpf/ to use tools/lib/bpf, removing libbpf
duplication (Joe Stringer)
- Move headers check into bash script (Jiri Olsa)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Dongpo Li says:
====================
net: hix5hd2_gmac: keep the compatible string not changed
This patch series fix the patch:
d0fb6ba75d ("net: hix5hd2_gmac: add generic compatible string")
The SoC hix5hd2 compatible string has the suffix "-gmac" and
we should not change its compatible string.
So we should name all the compatible string with the suffix "-gmac".
Creating a new name suffix "-gemac" is unnecessary.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The SoC hix5hd2 compatible string has the suffix "-gmac" and
we should not change it.
We should only add the generic compatible string "hisi-gmac-v1".
Fixes: 0855950ba5 ("ARM: dts: hix5hd2: add gmac generic compatible and clock names")
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SoC hix5hd2 compatible string has the suffix "-gmac" and
we should not change its compatible string.
So we should name all the compatible string with the suffix "-gmac".
Creating a new name suffix "-gemac" is unnecessary.
We also add another SoC compatible string in dt binding documentation
and describe which generic version the SoC belongs to.
Fixes: d0fb6ba75d ("net: hix5hd2_gmac: add generic compatible string")
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a break statement to prevent fall-through from
OVS_KEY_ATTR_ETHERNET to OVS_KEY_ATTR_TUNNEL. Without the break
actions setting ethernet addresses fail to validate with log messages
complaining about invalid tunnel attributes.
Fixes: 0a6410fbde ("openvswitch: netlink: support L3 packets")
Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds the missing 10gbe host port tx priority map
configurations.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In ethtool ops, it needs to retrieve the corresponding
ethss module (gbe or xgbe) from the net_device structure.
Prior to this patch, the retrieving procedure only
checks for the gbe module. This patch fixes the issue
by checking the xgbe module if the net_device structure
does not correspond to the gbe module.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Madalin Bucur says:
====================
fsl/fman: fixes for ARM
The patch set fixes advertised speeds for QSGMII interfaces, disables
A007273 erratum workaround on non-PowerPC platforms where it does not
apply, enables compilation on ARM64 and addresses a probing issue on
non PPC platforms.
Changes from v3: removed redundant comment, added ack by Scott
Changes from v2: merged fsl/fman changes to avoid a point of failure
Changes from v1: unifying probing on all supported platforms
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The fsl/fman drivers will use of_platform_populate() on all
supported platforms. Call of_platform_populate() to probe the
FMan sub-nodes.
Signed-off-by: Igal Liberman <igal.liberman@freescale.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
QSGMII ports were not advertising 1G speed.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
