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Some controllers allow for a one-shot output pulse, in contrast to
periodic output. Now that we have extensible versions of our IOCTLs, we
can finally make use of the 'flags' field to pass a bit telling driver
that if we want one-shot pulse output.
Signed-off-by: Felipe Balbi <[email protected]>
Reviewed-by: Richard Cochran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The current version of the IOCTL have a small problem which prevents us
from extending the API by making use of reserved fields. In these new
IOCTLs, we are now making sure that flags and rsv fields are zero which
will allow us to extend the API in the future.
Reviewed-by: Richard Cochran <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Fix error path of nf_tables_updobj(), from Dan Carpenter.
2) Move large structure away from stack in the nf_tables offload
infrastructure, from Arnd Bergmann.
3) Move indirect flow_block logic to nf_tables_offload.
4) Support for synproxy objects, from Fernando Fernandez Mancera.
5) Support for fwd and dup offload.
6) Add __nft_offload_get_chain() helper, this implicitly fixes missing
mutex and check for offload flags in the indirect block support,
patch from wenxu.
7) Remove rules on device unregistration, from wenxu. This includes
two preparation patches to reuse nft_flow_offload_chain() and
nft_flow_offload_rule().
Large batch from Jeremy Sowden to make a second pass to the
CONFIG_HEADER_TEST support and a bit of housekeeping:
8) Missing include guard in conntrack label header, from Jeremy Sowden.
9) A few coding style errors: trailing whitespace, incorrect indent in
Kconfig, and semicolons at the end of function definitions.
10) Remove unused ipt_init() and ip6t_init() declarations.
11) Inline xt_hashlimit, ebt_802_3 and xt_physdev headers. They are
only used once.
12) Update include directive in several netfilter files.
13) Remove unused include/net/netfilter/ipv6/nf_conntrack_icmpv6.h.
14) Move nf_ip6_ext_hdr() to include/linux/netfilter_ipv6.h
15) Move several synproxy structure definitions to nf_synproxy.h
16) Move nf_bridge_frag_data structure to include/linux/netfilter_bridge.h
17) Clean up static inline definitions in nf_conntrack_ecache.h.
18) Replace defined(CONFIG...) || defined(CONFIG...MODULE) with IS_ENABLED(CONFIG...).
19) Missing inline function conditional definitions based on Kconfig
preferences in synproxy and nf_conntrack_timeout.
20) Update br_nf_pre_routing_ipv6() definition.
21) Move conntrack code in linux/skbuff.h to nf_conntrack headers.
22) Several patches to remove superfluous CONFIG_NETFILTER and
CONFIG_NF_CONNTRACK checks in headers, coming from the initial batch
support for CONFIG_HEADER_TEST for netfilter.
====================
Signed-off-by: David S. Miller <[email protected]>
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With the removal of the ENODATA case from padata_get_next, the cpu_index
field is no longer useful, so it can go away.
Signed-off-by: Daniel Jordan <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
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Padata binds the parallel part of a job to a single CPU and round-robins
over all CPUs in the system for each successive job. Though the serial
parts rely on per-CPU queues for correct ordering, they're not necessary
for parallel work, and it improves performance to run the job locally on
NUMA machines and let the scheduler pick the CPU within a node on a busy
system.
So, make the parallel workqueue unbound.
Update the parallel workqueue's cpumask when the instance's parallel
cpumask changes.
Now that parallel jobs no longer run on max_active=1 workqueues, two or
more parallel works that hash to the same CPU may run simultaneously,
finish out of order, and so be serialized out of order. Prevent this by
keeping the works sorted on the reorder list by sequence number and
checking that in the reordering logic.
padata_get_next becomes padata_find_next so it can be reused for the end
of padata_reorder, where it's used to avoid uselessly queueing work when
the next job by sequence number isn't finished yet but a later job that
hashed to the same CPU has.
The ENODATA case in padata_find_next no longer makes sense because
parallel jobs aren't bound to specific CPUs. The EINPROGRESS case takes
care of the scenario where a parallel job is potentially running on the
same CPU as padata_find_next, and with only one error code left, just
use NULL instead.
Signed-off-by: Daniel Jordan <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steffen Klassert <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
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padata currently uses one per-CPU workqueue per instance for all work.
Prepare for running parallel jobs on an unbound workqueue by introducing
dedicated workqueues for parallel and serial work.
Signed-off-by: Daniel Jordan <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
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padata_do_parallel currently returns -EINVAL if the callback CPU isn't
in the callback cpumask.
pcrypt tries to prevent this situation by keeping its own callback
cpumask in sync with padata's and checks that the callback CPU it passes
to padata is valid. Make padata handle this instead.
padata_do_parallel now takes a pointer to the callback CPU and updates
it for the caller if an alternate CPU is used. Overall behavior in
terms of which callback CPUs are chosen stays the same.
Prepares for removal of the padata cpumask notifier in pcrypt, which
will fix a lockdep complaint about nested acquisition of the CPU hotplug
lock later in the series.
Signed-off-by: Daniel Jordan <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
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padata will use these these interfaces in a later patch, so unconfine them.
Signed-off-by: Daniel Jordan <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
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Move workqueue allocation inside of padata to prepare for further
changes to how padata uses workqueues.
Guarantees the workqueue is created with max_active=1, which padata
relies on to work correctly. No functional change.
Signed-off-by: Daniel Jordan <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
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Two inline functions defined in nf_conntrack_timestamp.h,
`nf_ct_tstamp_enabled` and `nf_ct_set_tstamp`, are not called anywhere.
Remove them.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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nf_conntrack_zones.h.
nf_conntrack_zones.h was wrapped in a CONFIG_NF_CONNTRACK check in order
to fix compilation failures:
37ee3d5b3e97 ("netfilter: nf_defrag_ipv4: fix compilation error with NF_CONNTRACK=n")
Subsequent changes mean that these failures will no longer occur and the
check is unnecessary. Remove it.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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`struct nf_hook_ops`, `struct nf_hook_state` and the `nf_hookfn`
function typedef appear in function and struct declarations and
definitions in a number of netfilter headers. The structs and typedef
themselves are defined by linux/netfilter.h but only when
CONFIG_NETFILTER is enabled. Define them unconditionally and add
forward declarations in order to remove CONFIG_NETFILTER conditionals
from the other headers.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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There is a superfluous `#if IS_ENABLED(CONFIG_NF_CONNTRACK)` check
wrapping some function declarations. Remove it.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Move some `struct nf_conntrack` code from linux/skbuff.h to
linux/nf_conntrack_common.h. Together with a couple of helpers for
getting and setting skb->_nfct, it allows us to remove
CONFIG_NF_CONNTRACK checks from net/netfilter/nf_conntrack.h.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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`void *priv`.
The real br_nf_pre_routing_ipv6 function, defined when CONFIG_IPV6 is
enabled, expects `void *priv`, not `const struct nf_hook_ops *ops`.
Update the stub br_nf_pre_routing_ipv6, defined when CONFIG_IPV6 is
disabled, to match.
Fixes: 06198b34a3e0 ("netfilter: Pass priv instead of nf_hook_ops to netfilter hooks")
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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nf_conntrack_synproxy.h contains three inline functions. The contents
of two of them are wrapped in CONFIG_NETFILTER_SYNPROXY checks and just
return NULL if it is not enabled. The third does nothing if they return
NULL, so wrap its contents as well.
nf_ct_timeout_data is only called if CONFIG_NETFILTER_TIMEOUT is
enabled. Wrap its contents in a CONFIG_NETFILTER_TIMEOUT check like the
other inline functions in nf_conntrack_timeout.h.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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IS_ENABLED(CONFIG...).
A few headers contain instances of:
#if defined(CONFIG_XXX) or defined(CONFIG_XXX_MODULE)
Replace them with:
#if IS_ENABLED(CONFIG_XXX)
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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The header contains some inline functions defined as:
static inline f (...)
{
#ifdef CONFIG_NF_CONNTRACK_EVENTS
...
#else
...
#endif
}
and a few others as:
#ifdef CONFIG_NF_CONNTRACK_EVENTS
static inline f (...)
{
...
}
#else
static inline f (...)
{
...
}
#endif
Prefer the former style, which is more numerous.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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header.
There is a struct definition function in nf_conntrack_bridge.h which is
not specific to conntrack and is used elswhere in netfilter. Move it
into netfilter_bridge.h.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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There is some non-conntrack code in the nf_conntrack_synproxy.h header.
Move it to the nf_synproxy.h header.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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There is an inline function in ip6_tables.h which is not specific to
ip6tables and is used elswhere in netfilter. Move it into
netfilter_ipv6.h and update the callers.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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nf_conntrack_icmpv6.h contains two object macros which duplicate macros
in linux/icmpv6.h. The latter definitions are also visible wherever it
is included, so remove it.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Include some headers in files which require them, and remove others
which are not required.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Three netfilter headers are only included once. Inline their contents
at those sites and remove them.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Two headers include declarations of functions which are never defined.
Remove them.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Several header-files, Kconfig files and Makefiles have trailing
white-space. Remove it.
In netfilter/Kconfig, indent the type of CONFIG_NETFILTER_NETLINK_ACCT
correctly.
There are semicolons at the end of two function definitions in
include/net/netfilter/nf_conntrack_acct.h and
include/net/netfilter/nf_conntrack_ecache.h. Remove them.
Fix indentation in nf_conntrack_l4proto.h.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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nf_conntrack_labels.h has no include guard. Add it.
The comment following the #endif in the nf_flow_table.h include guard
referred to the wrong macro. Fix it.
Signed-off-by: Jeremy Sowden <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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If the net_device unregisters, clean up the offload rules before the
chain is destroy.
Signed-off-by: wenxu <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Convert the ramfs, shmem, tmpfs, devtmpfs and rootfs filesystems to the new
internal mount API as the old one will be obsoleted and removed. This
allows greater flexibility in communication of mount parameters between
userspace, the VFS and the filesystem.
See Documentation/filesystems/mount_api.txt for more information.
Note that tmpfs is slightly tricky as it can contain embedded commas, so it
can't be trivially split up using strsep() to break on commas in
generic_parse_monolithic(). Instead, tmpfs has to supply its own generic
parser.
However, if tmpfs changes, then devtmpfs and rootfs, which are wrappers
around tmpfs or ramfs, must change too - and thus so must ramfs, so these
had to be converted also.
[AV: rewritten]
Signed-off-by: David Howells <[email protected]>
cc: Hugh Dickins <[email protected]>
cc: [email protected]
Signed-off-by: Al Viro <[email protected]>
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Allow to poll on the cros_ec device to receive the MKBP events.
The /dev/cros_[ec|fp|..] file operations now implements the poll
operation. The userspace can now receive specific MKBP events by doing
the following:
- Open the /dev/cros_XX file.
- Call the CROS_EC_DEV_IOCEVENTMASK ioctl with the bitmap of the MKBP
events it wishes to receive as argument.
- Poll on the file descriptor.
- When it gets POLLIN, do a read on the file descriptor, the first
queued event will be returned (using the struct
ec_response_get_next_event format: one byte of event type, then
the payload).
The read() operation returns at most one event even if there are several
queued, and it might be truncated if the buffer is smaller than the
event (but the caller should know the maximum size of the events it is
reading).
read() used to return the EC version string, it still does it when no
event mask or an empty event is set for backward compatibility (despite
nobody really using this feature).
This will be used, for example, by the userspace daemon to receive and
treat the EC_MKBP_EVENT_FINGERPRINT sent by the FP MCU.
Signed-off-by: Vincent Palatin <[email protected]>
Signed-off-by: Enric Balletbo i Serra <[email protected]>
Acked-by: Andy Shevchenko <[email protected]>
Reviewed-by: Gwendal Grignou <[email protected]>
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Commit 7290d5809571 ("module: use relative references for __ksymtab
entries") converted the '__put' #define into an assembly macro in
asm-generic/export.h but forgot to remove the corresponding '#undef'.
Remove the leftover '#undef'.
Cc: Ard Biesheuvel <[email protected]>
Cc: Jessica Yu <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Jessica Yu <[email protected]>
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virtio fs tunnels fuse over a virtio channel. One issue is two sides might
be speaking different endian-ness. To detects this, host side looks at the
opcode value in the FUSE_INIT command. Works fine at the moment but might
fail if a future version of fuse will use such an opcode for
initialization. Let's reserve this opcode so we remember and don't do
this.
Same for CUSE_INIT.
Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Miklos Szeredi <[email protected]>
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SETUPMAPPING is a command for use with 'virtiofsd', a fuse-over-virtio
implementation; it may find use in other fuse impelementations as well in
which the kernel does not have access to the address space of the daemon
directly.
A SETUPMAPPING operation causes a section of a file to be mapped into a
memory window visible to the kernel. The offsets in the file and the
window are defined by the kernel performing the operation.
The daemon may reject the request, for reasons including permissions and
limited resources.
When a request perfectly overlaps a previous mapping, the previous mapping
is replaced. When a mapping partially overlaps a previous mapping, the
previous mapping is split into one or two smaller mappings.
REMOVEMAPPING is the complement to SETUPMAPPING; it unmaps a range of
mapped files from the window visible to the kernel.
The map_alignment field communicates the alignment constraint for
FUSE_SETUPMAPPING/FUSE_REMOVEMAPPING and allows the daemon to constrain the
addresses and file offsets chosen by the kernel.
Signed-off-by: Dr. David Alan Gilbert <[email protected]>
Signed-off-by: Vivek Goyal <[email protected]>
Signed-off-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Miklos Szeredi <[email protected]>
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The commit 38c38cb73223 ("mmc: queue: use bigger segments if DMA MAP
layer can merge the segments") always enables the bugger segments
if DMA MAP layer can merge the segments, but some controllers (SDHCI)
have strictly limitation about the segments size, and then the commit
breaks on the controllers.
To fix the issue, this patch adds a new flag MMC_CAP2_MERGE_CAPABLE
into the struct mmc_host and the bigger segments usage is disabled
as default.
Reported-by: Thierry Reding <[email protected]>
Fixes: 38c38cb73223 ("mmc: queue: use bigger segments if DMA MAP layer can merge the segments")
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Acked-by: Ulf Hansson <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.4
* Add AOSS QMP support
* Various fixups for Qualcomm SCM
* Add socinfo driver
* Add SoC serial number attribute and associated APIs
* Add SM8150 and SC7180 support in Qualcomm SCM
* Fixup max processor count in SMEM
* tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: aoss: Add AOSS QMP support
dt-bindings: soc: qcom: aoss: Add SM8150 and SC7180 support
dt-bindings: firmware: scm: Add SM8150 and SC7180 support
dt-bindings: firmware: scm: re-order compatible list
soc: qcom: smem: Update max processor count
soc: qcom: socinfo: Annotate switch cases with fall through
soc: qcom: Extend AOSS QMP driver to support resources that are used to wake up the SoC.
soc: qcom: socinfo: Expose image information
soc: qcom: socinfo: Expose custom attributes
soc: qcom: Add socinfo driver
base: soc: Export soc_device_register/unregister APIs
base: soc: Add serial_number attribute to soc
firmware: qcom_scm: Cleanup code in qcom_scm_assign_mem()
firmware: qcom_scm: Fix some typos in docs and printks
firmware: qcom_scm: Use proper types for dma mappings
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Quoted from
commit 3da40c7b0898 ("ext4: only call ext4_truncate when size <= isize")
" At LSF we decided that if we truncate up from isize we shouldn't trim
fallocated blocks that were fallocated with KEEP_SIZE and are past the
new i_size. This patch fixes ext4 to do this. "
And generic/092 of fstest have covered this case for long time, however
is_quota_modification() didn't adjust based on that rule, so that in
below condition, we will lose to quota block change:
- fallocate blocks beyond EOF
- remount
- truncate(file_path, file_size)
Fix it.
Link: https://lore.kernel.org/r/[email protected]
Fixes: 3da40c7b0898 ("ext4: only call ext4_truncate when size <= isize")
CC: [email protected]
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
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* aspeed/dt-3:
ARM: dts: aspeed: Add AST2600 pinmux nodes
ARM: dts: aspeed: Add AST2600 and EVB
clk: Add support for AST2600 SoC
clk: aspeed: Move structures to header
clk: aspeed: Add SDIO gate
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This function was never used upstream, and is a relic of the original
handhelds.org code the htc-egpio driver was based on.
Signed-off-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/late
Samsung mach/soc changes for v5.4, part 2
1. Fix system restart on S3C6410 due to missing match of watchdog,
2. Enable suppor for ARM architected timers on Exynos.
* tag 'samsung-soc-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: exynos: Enable support for ARM architected timers
ARM: samsung: Fix system restart on S3C6410
MAINTAINERS: Extend patterns for Samsung SoC, Security Subsystem and clock drivers
ARM: s3c64xx: squash samsung_usb_phy.h into setup-usb-phy.c
ARM: exynos: Enable exynos-chipid driver
ARM: samsung: Include GPIO driver header
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>
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Commit 8651ec01daed ("module: add support for symbol namespaces.")
broke linking for arm64 defconfig:
| lib/crypto/arc4.o: In function `__ksymtab_arc4_setkey':
| arc4.c:(___ksymtab+arc4_setkey+0x8): undefined reference to `no symbol'
| lib/crypto/arc4.o: In function `__ksymtab_arc4_crypt':
| arc4.c:(___ksymtab+arc4_crypt+0x8): undefined reference to `no symbol'
This is because the dummy initialisation of the 'namespace_offset' field
in 'struct kernel_symbol' when using EXPORT_SYMBOL on architectures with
support for PREL32 locations uses an offset from an absolute address (0)
in an effort to trick 'offset_to_pointer' into behaving as a NOP,
allowing non-namespaced symbols to be treated in the same way as those
belonging to a namespace.
Unfortunately, place-relative relocations require a symbol reference
rather than an absolute value and, although x86 appears to get away with
this due to placing the kernel text at the top of the address space, it
almost certainly results in a runtime failure if the kernel is relocated
dynamically as a result of KASLR.
Rework 'namespace_offset' so that a value of 0, which cannot occur for a
valid namespaced symbol, indicates that the corresponding symbol does
not belong to a namespace.
Cc: Matthias Maennich <[email protected]>
Cc: Jessica Yu <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Catalin Marinas <[email protected]>
Fixes: 8651ec01daed ("module: add support for symbol namespaces.")
Reported-by: kbuild test robot <[email protected]>
Tested-by: Matthias Maennich <[email protected]>
Tested-by: Ard Biesheuvel <[email protected]>
Reviewed-by: Matthias Maennich <[email protected]>
Acked-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Jessica Yu <[email protected]>
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The recently introduced haltpoll driver is largely only useful with
haltpoll governor. To allow drivers to associate with a particular idle
behaviour, add a @governor property to 'struct cpuidle_driver' and thus
allow a cpuidle driver to switch to a *preferred* governor on idle driver
registration. We save the previous governor, and when an idle driver is
unregistered we switch back to that.
The @governor can be overridden by cpuidle.governor= boot param or
alternatively be ignored if the governor doesn't exist.
Signed-off-by: Joao Martins <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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In-between the MAC & PHY there can be a mode converter, which converts one
mode to another (e.g. GMII-to-RGMII).
The converter, can be passive (i.e. no driver or OS/SW information
required), so the MAC & PHY need to be configured differently.
For the `stmmac` driver, this is implemented via a `mac-mode` property in
the device-tree, which configures the MAC into a certain mode, and for the
PHY a `phy_interface` field will hold the mode of the PHY. The mode of the
PHY will be passed to the PHY and from there-on it work in a different
mode. If unspecified, the default `phy-mode` will be used for both.
Signed-off-by: Alexandru Ardelean <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Driver currently returns max-buf-size as size of the config attribute.
This patch incorporates changes to read this value from MFW (if available)
and provide it to the user. Also did a trivial clean up in this path.
Fixes: d44a3ced7023 ("qede: Add support for reading the config id attributes.")
Signed-off-by: Sudarsana Reddy Kalluru <[email protected]>
Signed-off-by: Ariel Elior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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For the MMC_CAP2_SDIO_IRQ_NOTHREAD case and when using sdio_signal_irq(),
the ->ack_sdio_irq() is already mandatory, which was not the case for those
host drivers that called sdio_run_irqs() directly.
As there are no longer any drivers calling sdio_run_irqs(), let's clarify
the code by dropping the unnecessary check and explicitly state that the
callback is mandatory in the header file.
Tested-by: Matthias Kaehlcke <[email protected]>
Reviewed-by: Matthias Kaehlcke <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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To avoid each host driver supporting SDIO IRQs, from keeping track
internally about if SDIO IRQs has been claimed, let's introduce a common
helper function, sdio_irq_claimed().
The function returns true if SDIO IRQs are claimed, via using the
information about the number of claimed irqs. This is safe, even without
any locks, as long as the helper function is called only from
runtime/system suspend callbacks of the host driver.
Tested-by: Matthias Kaehlcke <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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Similar to the 'reset_dev_on_drv_probe' devlink parameter, it is useful
to have an unknown value which can be used by drivers to report that the
hardware value isn't recognized or is otherwise invalid instead of
failing the operation.
This is especially useful for u8/enum parameters.
Suggested-by: Jakub Kicinski <[email protected]>
Signed-off-by: Dirk van der Merwe <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add the Genesys Logic, Inc. vendor ID to pci_ids.h.
Signed-off-by: Ben Chuang <[email protected]>
Co-developed-by: Michael K Johnson <[email protected]>
Signed-off-by: Michael K Johnson <[email protected]>
Acked-by: Adrian Hunter <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
We have a number of changes, but things are settling down:
* a fix in the new 6 GHz channel support
* a fix for recent minstrel (rate control) updates
for an infinite loop
* handle interface type changes better wrt. management frame
registrations (for management frames sent to userspace)
* add in-BSS RX time to survey information
* handle HW rfkill properly if !CONFIG_RFKILL
* send deauth on IBSS station expiry, to avoid state mismatches
* handle deferred crypto tailroom updates in mac80211 better
when device restart happens
* fix a spectre-v1 - really a continuation of a previous patch
* advertise NL80211_CMD_UPDATE_FT_IES as supported if so
* add some missing parsing in VHT extended NSS support
* support HE in mac80211_hwsim
* let mac80211 drivers determine the max MTU themselves
along with the usual cleanups etc.
====================
Signed-off-by: David S. Miller <[email protected]>
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Since commit 9a95e8d25a140ba9 ("gpio: remove etraxfs driver"), there are
no more users of of_gpio_simple_xlate() outside gpiolib-of.c.
All GPIO drivers that need it now rely on of_gpiochip_add() setting it
up as the default translate function.
Signed-off-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>
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