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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of MMC host fixes:
- sdhci-pci: Fixup tuning for AMD for eMMC HS200 mode
- renesas_sdhi_internal_dmac: Avoid data corruption by limiting
DMA RX"
* tag 'mmc-v4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: renesas_sdhi_internal_dmac: limit DMA RX for old SoCs
mmc: sdhci-pci: Only do AMD tuning for HS200
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Pull MD fixes from Shaohua Li:
"Three small fixes for MD:
- md-cluster fix for faulty device from Guoqing
- writehint fix for writebehind IO for raid1 from Mariusz
- a live lock fix for interrupted recovery from Yufen"
* tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
raid1: copy write hint from master bio to behind bio
md/raid1: exit sync request if MD_RECOVERY_INTR is set
md-cluster: don't update recovery_offset for faulty device
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When sending through SMB Direct, also dump the packet in SMB send path.
Also fixed a typo in debug message.
Signed-off-by: Long Li <longli@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
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This patch enhances the following things:
- tree block header
* add generation and owner output for node and leaf
- node pointer generation output
- allow btrfs_print_tree() to not follow nodes
* just like btrfs-progs
Please note that, although function btrfs_print_tree() is not called by
anyone right now, it's still a pretty useful function to debug kernel.
So that function is still kept for later use.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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When the delayed refs for a head are all run, eventually
cleanup_ref_head is called which (in case of deletion) obtains a
reference for the relevant btrfs_space_info struct by querying the bg
for the range. This is problematic because when the last extent of a
bg is deleted a race window emerges between removal of that bg and the
subsequent invocation of cleanup_ref_head. This can result in cache being null
and either a null pointer dereference or assertion failure.
task: ffff8d04d31ed080 task.stack: ffff9e5dc10cc000
RIP: 0010:assfail.constprop.78+0x18/0x1a [btrfs]
RSP: 0018:ffff9e5dc10cfbe8 EFLAGS: 00010292
RAX: 0000000000000044 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8d04ffc1f868 RSI: ffff8d04ffc178c8 RDI: ffff8d04ffc178c8
RBP: ffff8d04d29e5ea0 R08: 00000000000001f0 R09: 0000000000000001
R10: ffff9e5dc0507d58 R11: 0000000000000001 R12: ffff8d04d29e5ea0
R13: ffff8d04d29e5f08 R14: ffff8d04efe29b40 R15: ffff8d04efe203e0
FS: 00007fbf58ead500(0000) GS:ffff8d04ffc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe6c6975648 CR3: 0000000013b2a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__btrfs_run_delayed_refs+0x10e7/0x12c0 [btrfs]
btrfs_run_delayed_refs+0x68/0x250 [btrfs]
btrfs_should_end_transaction+0x42/0x60 [btrfs]
btrfs_truncate_inode_items+0xaac/0xfc0 [btrfs]
btrfs_evict_inode+0x4c6/0x5c0 [btrfs]
evict+0xc6/0x190
do_unlinkat+0x19c/0x300
do_syscall_64+0x74/0x140
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7fbf589c57a7
To fix this, introduce a new flag "is_system" to head_ref structs,
which is populated at insertion time. This allows to decouple the
querying for the spaceinfo from querying the possibly deleted bg.
Fixes: d7eae3403f46 ("Btrfs: rework delayed ref total_bytes_pinned accounting")
CC: stable@vger.kernel.org # 4.14+
Suggested-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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In do_mount() when the MS_* flags are being converted to MNT_* flags,
MS_RDONLY got accidentally convered to SB_RDONLY.
Undo this change.
Fixes: e462ec50cb5f ("VFS: Differentiate mount flags (MS_*) from internal superblock flags")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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AFS server records get removed from the net->fs_servers tree when
they're deleted, but not from the net->fs_addresses{4,6} lists, which
can lead to an oops in afs_find_server() when a server record has been
removed, for instance during rmmod.
Fix this by deleting the record from the by-address lists before posting
it for RCU destruction.
The reason this hasn't been noticed before is that the fileserver keeps
probing the local cache manager, thereby keeping the service record
alive, so the oops would only happen when a fileserver eventually gets
bored and stops pinging or if the module gets rmmod'd and a call comes
in from the fileserver during the window between the server records
being destroyed and the socket being closed.
The oops looks something like:
BUG: unable to handle kernel NULL pointer dereference at 000000000000001c
...
Workqueue: kafsd afs_process_async_call [kafs]
RIP: 0010:afs_find_server+0x271/0x36f [kafs]
...
Call Trace:
afs_deliver_cb_init_call_back_state3+0x1f2/0x21f [kafs]
afs_deliver_to_call+0x1ee/0x5e8 [kafs]
afs_process_async_call+0x5b/0xd0 [kafs]
process_one_work+0x2c2/0x504
worker_thread+0x1d4/0x2ac
kthread+0x11f/0x127
ret_from_fork+0x24/0x30
Fixes: d2ddc776a458 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
1) Unbalanced refcounting in TIPC, from Jon Maloy.
2) Only allow TCP_MD5SIG to be set on sockets in close or listen state.
Once the connection is established it makes no sense to change this.
From Eric Dumazet.
3) Missing attribute validation in neigh_dump_table(), also from Eric
Dumazet.
4) Fix address comparisons in SCTP, from Xin Long.
5) Neigh proxy table clearing can deadlock, from Wolfgang Bumiller.
6) Fix tunnel refcounting in l2tp, from Guillaume Nault.
7) Fix double list insert in team driver, from Paolo Abeni.
8) af_vsock.ko module was accidently made unremovable, from Stefan
Hajnoczi.
9) Fix reference to freed llc_sap object in llc stack, from Cong Wang.
10) Don't assume netdevice struct is DMA'able memory in virtio_net
driver, from Michael S. Tsirkin.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits)
net/smc: fix shutdown in state SMC_LISTEN
bnxt_en: Fix memory fault in bnxt_ethtool_init()
virtio_net: sparse annotation fix
virtio_net: fix adding vids on big-endian
virtio_net: split out ctrl buffer
net: hns: Avoid action name truncation
docs: ip-sysctl.txt: fix name of some ipv6 variables
vmxnet3: fix incorrect dereference when rxvlan is disabled
llc: hold llc_sap before release_sock()
MAINTAINERS: Direct networking documentation changes to netdev
atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit"
net: qmi_wwan: add Wistron Neweb D19Q1
net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN"
net: stmmac: Disable ACS Feature for GMAC >= 4
net: mvpp2: Fix DMA address mask size
net: change the comment of dev_mc_init
net: qualcomm: rmnet: Fix warning seen with fill_info
tun: fix vlan packet truncation
tipc: fix infinite loop when dumping link monitor summary
tipc: fix use-after-free in tipc_nametbl_stop
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
"Assorted fixes.
Some of that is only a matter with fault injection (broken handling of
small allocation failure in various mount-related places), but the
last one is a root-triggerable stack overflow, and combined with
userns it gets really nasty ;-/"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Don't leak MNT_INTERNAL away from internal mounts
mm,vmscan: Allow preallocating memory for register_shrinker().
rpc_pipefs: fix double-dput()
orangefs_kill_sb(): deal with allocation failures
jffs2_kill_sb(): deal with failed allocations
hypfs_kill_super(): deal with failed allocations
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git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs fixes from Tyler Hicks:
"Minor cleanups and a bug fix to completely ignore unencrypted
filenames in the lower filesystem when filename encryption is enabled
at the eCryptfs layer"
* tag 'ecryptfs-4.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: don't pass up plaintext names when using filename encryption
ecryptfs: fix spelling mistake: "cadidate" -> "candidate"
ecryptfs: lookup: Don't check if mount_crypt_stat is NULL
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
- isofs memory leak fix
- two fsnotify fixes of event mask handling
- udf fix of UTF-16 handling
- couple other smaller cleanups
* tag 'for_v4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Fix leak of UTF-16 surrogates into encoded strings
fs: ext2: Adding new return type vm_fault_t
isofs: fix potential memory leak in mount option parsing
MAINTAINERS: add an entry for FSNOTIFY infrastructure
fsnotify: fix typo in a comment about mark->g_list
fsnotify: fix ignore mask logic in send_to_group()
isofs compress: Remove VLA usage
fs: quota: Replace GFP_ATOMIC with GFP_KERNEL in dquot_init
fanotify: fix logic of events on child
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- suspend/resume handling fix for Raydium I2C-connected touchscreen
from Aaron Ma
- protocol fixup for certain BT-connected Wacoms from Aaron Armstrong
Skomra
- battery level reporting fix on BT-connected mice from Dmitry Torokhov
- hidraw race condition fix from Rodrigo Rivas Costa
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: i2c-hid: fix inverted return value from i2c_hid_command()
HID: i2c-hid: Fix resume issue on Raydium touchscreen device
HID: wacom: bluetooth: send exit report for recent Bluetooth devices
HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device
HID: input: fix battery level reporting on BT mice
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching fix from Jiri Kosina:
"Shadow variable API list_head initialization fix from Petr Mladek"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: Allow to call a custom callback when freeing shadow variables
livepatch: Initialize shadow variables safely by a custom callback
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- some fixes of kmalloc() flags
- one fix of the xenbus driver
- an update of the pv sound driver interface needed for a driver which
will go through the sound tree
* tag 'for-linus-4.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: xenbus_dev_frontend: Really return response string
xen/sndif: Sync up with the canonical definition in Xen
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_reg_add
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in xen_pcibk_config_quirks_init
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_device_alloc
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_init_device
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_probe
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips
Pull MIPS fixes from James Hogan:
- io: Add barriers to read*() & write*()
- dts: Fix boston PCI bus DTC warnings (4.17)
- memset: Several corner case fixes (one 3.10, others longer)
* tag 'mips_fixes_4.17_1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips:
MIPS: uaccess: Add micromips clobbers to bzero invocation
MIPS: memset.S: Fix clobber of v1 in last_fixup
MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup
MIPS: memset.S: EVA & fault support for small_memset
MIPS: dts: Boston: Fix PCI bus dtc warnings:
MIPS: io: Add barrier after register read in readX()
MIPS: io: Prevent compiler reordering writeX()
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix an off-by-one bug in our alternative asm patching which leads to
incorrectly patched code. This bug lay dormant for nearly 10 years
but we finally hit it due to a recent change.
- Fix lockups when running KVM guests on Power8 due to a missing check
when a thread that's running KVM comes out of idle.
- Fix an out-of-spec behaviour in the XIVE code (P9 interrupt
controller).
- Fix EEH handling of bridge MMIO windows.
- Prevent crashes in our RFI fallback flush handler if firmware didn't
tell us the size of the L1 cache (only seen on simulators).
Thanks to: Benjamin Herrenschmidt, Madhavan Srinivasan, Michael Neuling.
* tag 'powerpc-4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/kvm: Fix lockups when running KVM guests on Power8
powerpc/eeh: Fix enabling bridge MMIO windows
powerpc/xive: Fix trying to "push" an already active pool VP
powerpc/64s: Default l1d_size to 64K in RFI fallback flush
powerpc/lib: Fix off-by-one in alternate feature patching
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Make the code compile and remove the tcxo as it's also registered as a
fixed rate clock in the gcc-sdm845.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add RPMh clock device bindings for Qualcomm Technology Inc's SoCs. These
devices would be used for communicating resource state requests to control
the clocks managed by RPMh.
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add the RPMh clock driver to control the RPMh managed clock resources on
some of the Qualcomm Technologies, Inc. SoCs.
Signed-off-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Introduce bindings for RPMh regulator devices found on some
Qualcomm Technlogies, Inc. SoCs. These devices allow a given
processor within the SoC to make PMIC regulator requests which
are aggregated within the RPMh hardware block along with requests
from other processors in the SoC to determine the final PMIC
regulator hardware state.
Signed-off-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add the QCOM RPMh regulator driver to manage PMIC regulators
which are controlled via RPMh on some Qualcomm Technologies, Inc.
SoCs. RPMh is a hardware block which contains several
accelerators which are used to manage various hardware resources
that are shared between the processors of the SoC. The final
hardware state of a regulator is determined within RPMh by
performing max aggregation of the requests made by all of the
processors.
Add support for PMIC regulator control via the voltage regulator
manager (VRM) and oscillator buffer (XOB) RPMh accelerators. VRM
supports manipulation of enable state, voltage, mode, and
headroom voltage. XOB supports manipulation of enable state.
Signed-off-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This bus driver supports the GENI based i2c hardware controller in the
Qualcomm SOCs. The Qualcomm Generic Interface (GENI) is a programmable
module supporting a wide range of serial interfaces including I2C. The
driver supports FIFO mode and DMA mode of transfer and switches modes
dynamically depending on the size of the transfer.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This driver manages the Generic Interface (GENI) firmware based Qualcomm
Universal Peripheral (QUP) Wrapper. GENI based QUP is the next generation
programmable module composed of multiple Serial Engines (SE) and supports
a wide range of serial interfaces like UART, SPI, I2C, I3C, etc. This
driver also enables managing the serial interface independent aspects of
Serial Engines.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add device tree binding support for the QCOM GENI SE driver.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add early console support in Qualcomm Technologies Inc., GENI based
UART controller.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Currently the driver returns IRQ_HANDLED when spurious interrupts happen.
This is misleading. Fix the behavior by returning IRQ_NONE for spurious
interrupts.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Use iowrite32_rep to write to the hardware FIFO so that the code does
not have to worry about the system endianness.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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While initiating TX, only the register reads need to be ordered. The
register write order either is achieved due to data dependency or is
not required.
Use readl to achieve the read order and remove the unnecessary barrier.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Perform static initialization of console_port instead of initializing
during module_init.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Use min3 helper to calculate the minimum value of 3 variables.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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* Remove redundant casting while using min_t
* Remove redundant initialization of port_setup flag
* Remove redundant error checking in get_tx_fifo_size
* Remove logging redundant error code in debug messages
* Remove redundant disable_irq before free_irq
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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* Document reason for newline character counting in console_write
* Document reason for disabling IRQ in the system resume operation
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes and kexec-file-load from Martin Schwidefsky:
"After the common code kexec patches went in via Andrew we can now push
the architecture parts to implement the kexec-file-load system call.
Plus a few more bug fixes and cleanups, this includes an update to the
default configurations"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/signal: cleanup uapi struct sigaction
s390: rename default_defconfig to debug_defconfig
s390: remove gcov defconfig
s390: update defconfig
s390: add support for IBM z14 Model ZR1
s390: remove couple of duplicate includes
s390/boot: remove unused COMPILE_VERSION and ccflags-y
s390/nospec: include cpu.h
s390/decompressor: Ignore file vmlinux.bin.full
s390/kexec_file: add generated files to .gitignore
s390/Kconfig: Move kexec config options to "Processor type and features"
s390/kexec_file: Add ELF loader
s390/kexec_file: Add crash support to image loader
s390/kexec_file: Add image loader
s390/kexec_file: Add kexec_file_load system call
s390/kexec_file: Add purgatory
s390/kexec_file: Prepare setup.h for kexec_file_load
s390/smsgiucv: disable SMSG on module unload
s390/sclp: avoid potential usage of uninitialized value
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SBOX on some Broadwell CPUs is broken because it's enabled unconditionally
despite the fact that there are no SBOXes available.
Check the Power Control Unit CAPID4 register to determine the number of
available SBOXes on the particular CPU before trying to enable them. If
there are none, nullify the SBOX descriptor so it isn't tried to be
initialized.
Signed-off-by: Oskar Senft <osk@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Mark van Dijk <mark@voidzero.net>
Reviewed-by: Kan Liang <kan.liang@intel.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: ak@linux.intel.com
Cc: peterz@infradead.org
Cc: eranian@google.com
Link: https://lkml.kernel.org/r/1521810690-2576-2-git-send-email-kan.liang@linux.intel.com
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This reverts commit 3b94a891667c ("perf/x86/intel/uncore: Remove
SBOX support for Broadwell server")
Revert because there exists a proper workaround for Broadwell-EP servers
without SBOX now. Note that BDX-DE does not have a SBOX.
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kan Liang <kan.liang@intel.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: ak@linux.intel.com
Cc: osk@google.com
Cc: mark@voidzero.net
Link: https://lkml.kernel.org/r/1521810690-2576-1-git-send-email-kan.liang@linux.intel.com
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Enable GENI SE support for sdm845
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
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Enable TCS mailbox and rpmh API support and rpmh regulators
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
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sdm845 MTP to console
Enable pinctrl/gcc/geni drivers needed to boot sdm845 MTP to console
Change-Id: Iee79ba91aa4f202c01966b9d550f48c1b9b3cb98
Signed-off-by: Taniya Das <tdas@codeaurora.org>
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On a system with 4-level page-tables there is no p4d, so the pud in the pgd
should be mapped. The old code before commit fb43d6cb91ef already did that.
The change from above commit causes an invalid page-table which causes
undefined behavior. In one report it caused triple faults.
Fix it by changing the p4d back to pud.
Fixes: fb43d6cb91ef ('x86/mm: Do not auto-massage page protections')
Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michal Kubecek <mkubecek@suse.cz>
Tested-by: Borislav Petkov <bp@suse.de>
Cc: linux-pm@vger.kernel.org
Cc: rjw@rjwysocki.net
Cc: pavel@ucw.cz
Cc: hpa@zytor.com
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/1524162360-26179-1-git-send-email-joro@8bytes.org
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Add support for the global clock controller found on SDM845
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
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Fabia PLL is a Digital Frequency Locked Loop (DFLL) clock
generator which has a wide range of frequency output. It
supports dynamic updating of the output frequency
("frequency slewing") without need to turn off the PLL
before configuration. Add support for initial configuration
and programming sequence to control fabia PLLs.
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
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For some root clock generators, there could be child branches which are
controlled by an entity other than application processor subsystem. For
such RCGs, as per application processor subsystem clock driver, all of its
downstream clocks are disabled and RCG is in disabled state but in actual
downstream clocks can be left enabled before.
So in this scenario, when RCG is disabled as per clock driver's point of
view and when rate scaling request comes before downstream clock enable
request, then RCG fails to update its configuration because in actual RCG
is on and it expects its new source to alredy in enable state but in
reality new source is in off state. In order to avoid letting the RCG to
go into an invalid state, add support to just cache the rate of RCG during
set_rate(), defer actual RCG configuration update to be done during
clk_enable() as at this point of time, both its new parent and safe source
will be already enabled and RCG can safely switch to new parent.
During clk_disable() request, configure it to safe source as both
its parents, safe source and current parent will be enabled and RCG can
safely execute a switch. Also add support to have safe configuration
frequency table structure for each shared RCG.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
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For upcoming targets like sdm845, POR value of the hardware clock control
bit is set for most of root clocks which needs to be cleared for software
to be able to control. For older targets like MSM8996, this bit is reserved
bit and having POR value as 0 so this patch will work for the older targets
too. So update the configuration mask to take care of the same to clear
hardware clock control bit.
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
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We want it only for the stuff created by SB_KERNMOUNT mounts, *not* for
their copies. As it is, creating a deep stack of bindings of /proc/*/ns/*
somewhere in a new namespace and exiting yields a stack overflow.
Cc: stable@kernel.org
Reported-by: Alexander Aring <aring@mojatatu.com>
Bisected-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Tested-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Tested-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Adding additional maintainers to libnvdimm related code and DAX.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Acked-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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MAP_SYNC is a nop for device-dax. Allow MAP_SYNC to succeed on device-dax
to eliminate special casing between device-dax and fs-dax as to when the
flag can be specified. Device-dax users already implicitly assume that they do
not need to call fsync(), and this enables them to explicitly check for this
capability.
Cc: <stable@vger.kernel.org>
Fixes: b6fb293f2497 ("mm: Define MAP_SYNC and VM_SYNC flags")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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With commit df3f126482db ("libnvdimm, of_pmem: use dev_to_node() instead
of of_node_to_nid()") it is now possible to allow of_pmem to be built as
a module as originally implemented.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Remove the direct dependency on of_node_to_nid() by using dev_to_node()
instead. Any DT platform device will have its NUMA node id set when the
device is created.
With this, commit 291717b6fbdb ("libnvdimm, of_pmem: workaround OF_NUMA=n
build error") can be reverted.
Fixes: 717197608952 ("libnvdimm: Add device-tree based driver")
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Oliver O'Halloran <oohall@gmail.com>
Cc: linux-nvdimm@lists.01.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Calling shutdown with SHUT_RD and SHUT_RDWR for a listening SMC socket
crashes, because
commit 127f49705823 ("net/smc: release clcsock from tcp_listen_worker")
releases the internal clcsock in smc_close_active() and sets smc->clcsock
to NULL.
For SHUT_RD the smc_close_active() call is removed.
For SHUT_RDWR the kernel_sock_shutdown() call is omitted, since the
clcsock is already released.
Fixes: 127f49705823 ("net/smc: release clcsock from tcp_listen_worker")
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reported-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some firmware images, the length of BNX_DIR_TYPE_PKG_LOG nvram type
could be greater than the fixed buffer length of 4096 bytes allocated by
the driver. This was causing HWRM_NVM_READ to copy more data to the buffer
than the allocated size, causing general protection fault.
Fix the issue by allocating the exact buffer length returned by
HWRM_NVM_FIND_DIR_ENTRY, instead of 4096. Move the kzalloc() call
into the bnxt_get_pkgver() function.
Fixes: 3ebf6f0a09a2 ("bnxt_en: Add installed-package firmware version reporting via Ethtool GDRVINFO")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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