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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2018-10-18
1) Free the xfrm interface gro_cells when deleting the
interface, otherwise we leak it. From Li RongQing.
2) net/core/flow.c does not exist anymore, so remove it
from the MAINTAINERS file.
3) Fix a slab-out-of-bounds in _decode_session6.
From Alexei Starovoitov.
4) Fix RCU protection when policies inserted into
thei bydst lists. From Florian Westphal.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PCI controller in the Marvell Armada 3720 does not implement a
software-accessible root port PCI bridge configuration space. This
causes a number of problems when using PCIe switches or when the Max
Payload size needs to be aligned between the root complex and the
endpoint.
Implementing an emulated root PCI bridge, like is already done in the
pci-mvebu driver for older Marvell platforms allows to solve those
issues, and also to support features such as ASR, PME, VC, HP.
Signed-off-by: Zachary Zhang <zhangzg@marvell.com>
[Thomas: convert to the common emulated PCI bridge logic.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Convert the pci-mvebu driver to use the pci-bridge-emul logic, that
helps emulating a root port PCI bridge configuration space.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Commit dc0352ab0b2a0 ("PCI: mvebu: Add PCI Express root complex
capability block") added support for emulating the PCI Express
capability block. As part of this, the pcie_sltcap, pcie_devctl and
pcie_rtctl fields were added to the mvebu_sw_pci_bridge structure, and
used when reading the corresponding PCI Express capability block
registers.
However, those structure members are never set to any value other than
zero. This makes them unneeded because:
- pcie_devctl is used to OR *value, so with pcie_devctl always zero,
it has no effect.
- for pcie_sltcap and pcie_rtstl, the mvebu_sw_pci_bridge_read()
function always returns 0 for registers that are not explicitly
handled.
In preparation for reworking the PCI bridge emulation logic in
pci-mvebu, let's simplify the code by dropping those structure
members.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Some PCI host controllers do not expose a configuration space for the
root port PCI bridge. Due to this, the Marvell Armada 370/38x/XP PCI
controller driver (pci-mvebu) emulates a root port PCI bridge
configuration space, and uses that to (among other things) dynamically
create the memory windows that correspond to the PCI MEM and I/O
regions.
Since we now need to add a very similar logic for the Marvell Armada
37xx PCI controller driver (pci-aardvark), instead of duplicating the
code, we create in this commit a common logic called pci-bridge-emul.
The idea of this logic is to emulate a root port PCI bridge
configuration space by providing configuration space read/write
operations, and faking behind the scenes the configuration space of a
PCI bridge. A PCI host controller driver simply has to call
pci_bridge_emul_conf_read() and pci_bridge_emul_conf_write() to
read/write the configuration space of the bridge.
By default, the PCI bridge configuration space is simply emulated by a
chunk of memory, but the PCI host controller can override the behavior
of the read and write operations on a per-register basis to do
additional actions if needed. We take care of complying with the
behavior of the PCI configuration space registers in terms of bits
that are read-write, read-only, reserved and write-1-to-clear.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
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Previously, we allow multiple nodes can resync device, but we
had changed it to only support one node can do resync at one
time, but suspend_info is still used.
Now, let's remove the structure and use suspend_lo/hi to record
the range.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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We need to continue the reshaping if it was interrupted in
original node. So original node should call resync_bitmap
in case reshaping is aborted.
Then BITMAP_NEEDS_SYNC message is broadcasted to other nodes,
node which continues the reshaping should restart reshape from
mddev->reshape_position instead of from the first beginning.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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When reshape is happening in one node, other nodes could receive
lots of RESYNCING messages, so md_bitmap_sync_with_cluster is called.
Since the resyncing window is typically small in these RESYNCING
messages, so WARN is always triggered, so we should not call the
func when reshape is happening.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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remove_and_add_spares is not needed if reshape is
happening in another node, because raid10_add_disk
called inside raid10_start_reshape would handle the
role changes of disk. Plus, remove_and_add_spares
can't deal with the role change due to reshape.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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We need to change the capacity in all nodes after one node
finishs reshape. And as we did before, we can't change the
capacity directly in md_do_sync, instead, the capacity should
be only changed in update_size or received CHANGE_CAPACITY
msg.
So master node calls update_size after completes reshape in
md_reap_sync_thread, but we need to skip ops->update_size if
MD_CLOSING is set since reshaping could not be finish.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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Since the resync region from suspend_info means one node
is reshaping this area, so the position of reshape_progress
should be included in the area.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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For clustered raid10 scenario, we need to let all the nodes
know about that a new disk is added to the array, and the
reshape caused by add new member just need to be happened in
one node, but other nodes should know about the change.
Since reshape means read data from somewhere (which is already
used by array) and write data to unused region. Obviously, it
is awful if one node is reading data from address while another
node is writing to the same address. Considering we have
implemented suspend writes in the resyncing area, so we can
just broadcast the reading address to other nodes to avoid the
trouble.
For master node, it would call reshape_request then update sb
during the reshape period. To avoid above trouble, we call
resync_info_update to send RESYNC message in reshape_request.
Then from slave node's view, it receives two type messages:
1. RESYNCING message
Slave node add the address (where master node reading data from)
to suspend list.
2. METADATA_UPDATED message
Once slave nodes know the reshaping is started in master node,
it is time to update reshape position and call start_reshape to
follow master node's step. After reshape is done, only reshape
position is need to be updated, so the majority task of reshaping
is happened on the master node.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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To support add disk under grow mode, we need to resize
all the bitmaps of each node before reshape, so that we
can ensure all nodes have the same view of the bitmap of
the clustered raid.
So after the master node resized the bitmap, it broadcast
a message to other slave nodes, and it checks the size of
each bitmap are same or not by compare pages. We can only
continue the reshaping after all nodes update the bitmap
to the same size (by checking the pages), otherwise revert
bitmap size to previous value.
The resize_bitmaps interface and BITMAP_RESIZE message are
introduced in md-cluster.c for the purpose.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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The VMD removal path calls pci_stop_root_busi(), which tears down the pcie
tree, including detaching all of the attached drivers. During driver
detachment, devices may use pci_release_region() to release resources.
This path relies on the resource being accessible in resource tree.
By detaching the child domain from the parent resource domain prior to
stopping the bus, we are preventing the list traversal from finding the
resource to be freed. If we instead detach the resource after stopping
the bus, we will have properly freed the resource and detaching is
simply accounting at that point.
Without this order, the resource is never freed and is orphaned on VMD
removal, leading to a warning:
[ 181.940162] Trying to free nonexistent resource <e5a10000-e5a13fff>
Fixes: 2c2c5c5cd213 ("x86/PCI: VMD: Attach VMD resources to parent domain's resource tree")
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
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Make cpu-usage debugging easier by naming workqueues per device.
Example ps output:
root 413 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd_io/253:0]
root 414 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd/253:0]
root 415 0.0 0.0 0 0 ? S paź02 1:10 [dmcrypt_write/253:0]
root 465 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd_io/253:2]
root 466 0.0 0.0 0 0 ? I< paź02 0:00 [kcryptd/253:2]
root 467 0.0 0.0 0 0 ? S paź02 2:06 [dmcrypt_write/253:2]
root 15359 0.2 0.0 0 0 ? I< 19:43 0:25 [kworker/u17:8-kcryptd/253:0]
root 16563 0.2 0.0 0 0 ? I< 20:10 0:18 [kworker/u17:0-kcryptd/253:2]
root 23205 0.1 0.0 0 0 ? I< 21:21 0:04 [kworker/u17:4-kcryptd/253:0]
root 13383 0.1 0.0 0 0 ? I< 21:32 0:02 [kworker/u17:2-kcryptd/253:2]
root 2610 0.1 0.0 0 0 ? I< 21:42 0:01 [kworker/u17:12-kcryptd/253:2]
root 20124 0.1 0.0 0 0 ? I< 21:56 0:01 [kworker/u17:1-kcryptd/253:2]
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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s/s/as
[ mingo: Also add a missing 'the', add proper punctuation and clarify what 'swap' means here. ]
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: alexander.levin@verizon.com
Cc: frederic@kernel.org
Cc: joel@joelfernandes.org
Cc: paulmck@linux.vnet.ibm.com
Cc: rostedt@goodmis.org
Link: http://lkml.kernel.org/r/20181018142133.12341-1-tiny.windzz@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Add a shortcut for dm_device_name(dm_table_get_md(t)).
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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In copy_params(), the struct 'dm_ioctl' is first copied from the user
space buffer 'user' to 'param_kernel' and the field 'data_size' is
checked against 'minimum_data_size' (size of 'struct dm_ioctl' payload
up to its 'data' member). If the check fails, an error code EINVAL will be
returned. Otherwise, param_kernel->data_size is used to do a second copy,
which copies from the same user-space buffer to 'dmi'. After the second
copy, only 'dmi->data_size' is checked against 'param_kernel->data_size'.
Given that the buffer 'user' resides in the user space, a malicious
user-space process can race to change the content in the buffer between
the two copies. This way, the attacker can inject inconsistent data
into 'dmi' (versus previously validated 'param_kernel').
Fix redundant copying of 'minimum_data_size' from user-space buffer by
using the first copy stored in 'param_kernel'. Also remove the
'data_size' check after the second copy because it is now unnecessary.
Cc: stable@vger.kernel.org
Signed-off-by: Wenwen Wang <wang6495@umn.edu>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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GCC 4.6 is the minimum supported now.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Back when I added -Werror in commit ba55bd74360e ("powerpc: Add
configurable -Werror for arch/powerpc") I did it by adding it to most
of the arch Makefiles.
At the time we excluded math-emu, because apparently it didn't build
cleanly. But that seems to have been fixed somewhere in the interim.
So move the -Werror addition to the top-level of the arch, this saves
us from repeating it in every Makefile and means we won't forget to
add it to any new sub-dirs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This is a nice cleanup, arch/powerpc/Makefile is long and messy so
moving this out helps a little.
It also allows us to do:
$ make arch/powerpc
Which can be helpful if you just want to compile test some changes to
arch code and not link everything.
Finally it also gives us a single place to do subdir-cc-flags
assignments which affect the whole of arch/powerpc, which we will do
in a future patch.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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There's some antiquated debug output that's trying
to do a hand-made hexdump and turning into horrible
1-byte-per-line output these days.
Use print_hex_dump() instead
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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do_exit() already includes a test to panic() is in_interrupt()
This patch removes powerpc one which is redundant.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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When creating the boot-time FDT from an actual Open Firmware live
tree, let's generate "phandle" properties for the phandles instead
of the old deprecated "linux,phandle".
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[mpe: Unsplit warning printf()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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prom_init.c must not modify the kernel image outside
of the .bss.prominit section. Thus make sure that
prom_init.o doesn't have anything in any of these:
.data
.bss
.init.data
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This makes __prombss its own section, and for now store
it in .bss.
This will give us the ability later to store it elsewhere
and/or free it after boot (it's about 8KB).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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As they are no longer used past the end of prom_init
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Make the existing initialized definition constant and copy
it to a __prombss copy
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Initialize it dynamically instead of statically
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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We removed support for running under any OPAL version
earlier than v3 in 2015 (they never saw the light of day
anyway), but we kept some leftovers of this support in
prom_init.c, so let's take it out.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This replaces all occurrences of __initdata for uninitialized
data with a new __prombss
Currently __promdata is defined to be __initdata but we'll
eventually change that.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Adds a driver that implements support for enabling and accessing PAPR
SCM regions. Unfortunately due to how the PAPR interface works we can't
use the existing of_pmem driver (yet) because:
a) The guest is required to use the H_SCM_BIND_MEM h-call to add
add the SCM region to it's physical address space, and
b) There is currently no mechanism for relating a bare of_pmem region
to the backing DIMM (or not-a-DIMM for our case).
Both of these are easily handled by rolling the functionality into a
seperate driver so here we are...
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This patch implements support for discovering storage class memory
devices at boot and for handling hotplug of new regions via RTAS
hotplug events.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
[mpe: Fix CONFIG_MEMORY_HOTPLUG=n build]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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When printing the machine check cause, the cause appears on the
following line due to bad use of printk without \n:
[ 33.663993] Machine check in kernel mode.
[ 33.664011] Caused by (from SRR1=9032):
[ 33.664036] Data access error at address c90c8000
This patch fixes it by using pr_cont() for the second part:
[ 133.258131] Machine check in kernel mode.
[ 133.258146] Caused by (from SRR1=9032): Data access error at address c90c8000
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Book3e defines both _PAGE_USER and _PAGE_PRIVILEGED, so the nohash
default pte_mkprivileged() and pte_mkuser() are not usable.
This patch redefines them for book3e.
In theorie, only pte_mkprivileged() needs to be redefined because
_PAGE_USER includes _PAGE_PRIVILEGED, but it is less confusing
to redefine both.
Fixes: a0da4bc166f2 ("powerpc/mm: Allow platforms to redefine some helpers")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Other archs do the same and instead of adding required pte bits (which
got masked out) in __ioremap_at(), make sure we filter only pfn bits
out.
Fixes: 26973fa5ac0e ("powerpc/mm: use pte helpers in generic code")
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Compiling with clang yields the following warning:
sound/i2c/cs8427.c:140:31: warning: implicit conversion from 'int'
to 'char' changes value from 160 to -96 [-Wconstant-conversion]
data[0] = CS8427_REG_AUTOINC | CS8427_REG_CORU_DATABUF;
~ ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Because CS8427_REG_AUTOINC is defined as 128, it is too big for a
char field.
So change data from char to unsigned char, that it can hold the value.
This patch does not change the generated code.
Signed-off-by: Philipp Klocke <philipp97kl@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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blk_queue_split() does respect this limit via bio splitting, so no
need to do that in blkdev_issue_discard(), then we can align to
normal bio submit(bio_add_page() & submit_bio()).
More importantly, this patch fixes one issue introduced in a22c4d7e34402cc
("block: re-add discard_granularity and alignment checks"), in which
zero discard bio may be generated in case of zero alignment.
Fixes: a22c4d7e34402ccdf3 ("block: re-add discard_granularity and alignment checks")
Cc: stable@vger.kernel.org
Cc: Ming Lin <ming.l@ssi.samsung.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Tested-by: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.20-rc1
Here are the USB-serial updates for 4.20-rc1, including:
- support for CBUS GPIO on FTDI devices (FTX and FT232R)
- fix of a long-standing transfer-length bug
Included are also various clean ups.
All have been in linux-next with no reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
* tag 'usb-serial-4.20-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: cypress_m8: remove set but not used variable 'iflag'
USB: serial: cypress_m8: fix interrupt-out transfer length
USB: serial: ftdi_sio: add support for FT232R CBUS gpios
USB: serial: ftdi_sio: fix gpio name collisions
USB: serial: ftdi_sio: implement GPIO support for FT-X devices
USB: serial: cypress_m8: fix spelling mistake "retreiving" -> "retrieving"
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* acpi-property:
ACPI / property: Switch to bitmap_zalloc()
* acpi-sbs:
ACPI / SBS: Fix rare oops when removing modules
ACPI / SBS: Fix GPE storm on recent MacBookPro's
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'acpi-tad'
* acpi-soc:
ACPI / LPSS: Resume BYT/CHT I2C controllers from resume_noirq
ACPI / LPSS: Add a device link from the GPU to the BYT I2C5 controller
ACPI / LPSS: Add a device link from the GPU to the CHT I2C7 controller
ACPI / LPSS: Make acpi_lpss_find_device() also find PCI devices
ACPI / LPSS: Make hid_uid_match helper accept a NULL uid argument
ACPI / LPSS: Make hid_uid_match helper take an acpi_device as first argument
ACPI / LPSS: Exclude I2C busses shared with PUNIT from pmc_atom_d3_mask
ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers
* acpi-processor:
ACPI / processor: Fix the return value of acpi_processor_ids_walk()
* acpi-pmic:
ACPI / PMIC: Convert drivers to use SPDX identifier
ACPI / PMIC: Sort headers alphabetically
* acpi-cppc:
mailbox: PCC: handle parse error
* acpi-tad:
ACPI: TAD: Add low-level support for real time capability
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'acpi-misc'
* acpi-init:
ACPI: probe ECDT before loading AML tables regardless of module-level code flag
* acpi-osl:
ACPI / OSL: Use 'jiffies' as the time bassis for acpi_os_get_timer()
* acpi-bus:
ACPI / glue: Split dev_is_platform() out of module for wide use
* acpi-tables:
ACPI/PPTT: Handle architecturally unknown cache types
drivers: base: cacheinfo: Do not populate sysfs for unknown cache types
* acpi-misc:
ACPI: remove redundant 'default n' from Kconfig
ACPI: custom_method: remove meaningless null check before debugfs_remove()
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* pm-devfreq:
PM / devfreq: remove redundant null pointer check before kfree
PM / devfreq: stopping the governor before device_unregister()
PM / devfreq: Convert to using %pOFn instead of device_node.name
PM / devfreq: Make update_devfreq() public
PM / devfreq: Don't adjust to user limits in governors
PM / devfreq: Fix handling of min/max_freq == 0
PM / devfreq: Drop custom MIN/MAX macros
PM / devfreq: Fix devfreq_add_device() when drivers are built as modules.
* pm-tools:
PM / tools: sleepgraph and bootgraph: upgrade to v5.2
PM / tools: sleepgraph: first batch of v5.2 changes
cpupower: Fix coredump on VMWare
cpupower: Fix AMD Family 0x17 msr_pstate size
cpupower: remove stringop-truncation waring
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* pm-opp:
PM / OPP: _of_add_opp_table_v2(): increment count only if OPP is added
cpufreq: dt: Try freeing static OPPs only if we have added them
OPP: Return error on error from dev_pm_opp_get_opp_count()
OPP: Improve error handling in dev_pm_opp_of_cpumask_add_table()
OPP: Pass OPP table to _of_add_opp_table_v{1|2}()
OPP: Prevent creating multiple OPP tables for devices sharing OPP nodes
OPP: Use a single mechanism to free the OPP table
OPP: Don't remove dynamic OPPs from _dev_pm_opp_remove_table()
cpufreq: mvebu: Remove OPPs using dev_pm_opp_remove()
OPP: Create separate kref for static OPPs list
OPP: Don't take OPP table's kref for static OPPs
OPP: Parse OPP table's DT properties from _of_init_opp_table()
OPP: Pass index to _of_init_opp_table()
OPP: Protect dev_list with opp_table lock
OPP: Don't try to remove all OPP tables on failure
OPP: Free OPP table properly on performance state irregularities
* powercap:
powercap: RAPL: Get rid of custom RAPL_CPU() macro
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* acpi-pm:
ACPI / PM: LPIT: Register sysfs attributes based on FADT
* pm-sleep:
x86-32, hibernate: Adjust in_suspend after resumed on 32bit system
x86-32, hibernate: Set up temporary text mapping for 32bit system
x86-32, hibernate: Switch to relocated restore code during resume on 32bit system
x86-32, hibernate: Switch to original page table after resumed
x86-32, hibernate: Use the page size macro instead of constant value
x86-32, hibernate: Use temp_pgt as the temporary page table
x86, hibernate: Rename temp_level4_pgt to temp_pgt
x86-32, hibernate: Enable CONFIG_ARCH_HIBERNATION_HEADER on 32bit system
x86, hibernate: Extract the common code of 64/32 bit system
x86-32/asm/power: Create stack frames in hibernate_asm_32.S
PM / hibernate: Check the success of generating md5 digest before hibernation
x86, hibernate: Fix nosave_regions setup for hibernation
PM / sleep: Show freezing tasks that caused a suspend abort
PM / hibernate: Documentation: fix image_size default value
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* pm-cpufreq:
cpufreq: tegra186: don't pass GFP_DMA32 to dma_alloc_coherent()
cpufreq: conservative: Take limits changes into account properly
Documentation: intel_pstate: Add base_frequency information
cpufreq: intel_pstate: Add base_frequency attribute
ACPI / CPPC: Add support for guaranteed performance
cpufreq: imx6q: read OCOTP through nvmem for imx6ul/imx6ull
cpufreq: dt-platdev: allow RK3399 to have separate tunables per cluster
cpufreq / CPPC: Mark acpi_ids as used
cpufreq: dt: Add support for r8a7744
cpufreq: Convert to using %pOFn instead of device_node.name
cpufreq: remove unnecessary unlikely()
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* pm-cpuidle:
cpuidle: menu: Avoid computations when result will be discarded
cpuidle: menu: Drop redundant comparison
cpuidle: menu: Simplify checks related to the polling state
cpuidle: poll_state: Revise loop termination condition
cpuidle: menu: Move the latency_req == 0 special case check
cpuidle: menu: Avoid computations for very close timers
cpuidle: menu: Do not update last_state_idx in menu_select()
cpuidle: menu: Get rid of first_idx from menu_select()
cpuidle: menu: Compute first_idx when latency_req is known
cpuidle: menu: Fix wakeup statistics updates for polling state
cpuidle: menu: Replace data->predicted_us with local variable
cpuidle: enter_state: Don't needlessly calculate diff time
cpuidle: Remove unnecessary wrapper cpuidle_get_last_residency()
intel_idle: Get rid of custom ICPU() macro
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The current documented description of the GENPD_FLAG_* flags, are too
simplified, so let's extend them.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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A caller of pm_genpd_init() that provides some states for the genpd via the
->states pointer in the struct generic_pm_domain, should also provide a
governor. This because it's the job of the governor to pick a state that
satisfies the constraints.
Therefore, let's print a warning to inform the user about such bogus
configuration and avoid to bail out, by instead picking the shallowest
state before genpd invokes the ->power_off() callback.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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