Pull more i2c updates from Wolfram Sang:
- hot bugfix for i801 to make laptops with strange BIOS reboot again
when using SMBUS Host notify
- change to MAINTAINERS creating a specific fallback entry for I2C host
drivers and settings its status to "Odd fixes"
- a long overdue param checking for the I2C core
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: add param sanity check to i2c_transfer()
MAINTAINERS: add maintainer for Renesas I2C related drivers
MAINTAINERS: remove me as maintainer for I2C host drivers
i2c: i801: Restore configuration at shutdown
i2c: i801: Save register SMBSLVCMD value only once
and for PCI issues on SH7786.
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Merge tag 'sh-for-4.17' of git://git.libc.org/linux-sh
Pull arch/sh updates from Rich Felker:
"Fixes for bugs in futex, device tree, and userspace breakpoint traps,
and for PCI issues on SH7786"
* tag 'sh-for-4.17' of git://git.libc.org/linux-sh:
arch/sh: pcie-sh7786: handle non-zero DMA offset
arch/sh: pcie-sh7786: adjust the memory mapping
arch/sh: pcie-sh7786: adjust PCI MEM and IO regions
arch/sh: pcie-sh7786: exclude unusable PCI MEM areas
arch/sh: pcie-sh7786: mark unavailable PCI resource as disabled
arch/sh: pci: don't use disabled resources
arch/sh: make the DMA mapping operations observe dev->dma_pfn_offset
arch/sh: add sh7786_mm_sel() function
sh: fix debug trap failure to process signals before return to user
sh: fix memory corruption of unflattened device tree
sh: fix futex FUTEX_OP_SET op on userspace addresses
A few late updates to address some issues arising from conflicts with
other trees:
- Removal of Qualcomm-specific Spectre-v2 mitigation in favour of the
generic SMCCC-based firmware call
- Fix EL2 hardening capability checking, which was bodged to reduce
conflicts with the KVM tree
- Add some currently unused assembler macros for managing SIMD registers
which will be used by some crypto code in the next merge window
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull more arm64 updates from Will Deacon:
"A few late updates to address some issues arising from conflicts with
other trees:
- Removal of Qualcomm-specific Spectre-v2 mitigation in favour of the
generic SMCCC-based firmware call
- Fix EL2 hardening capability checking, which was bodged to reduce
conflicts with the KVM tree
- Add some currently unused assembler macros for managing SIMD
registers which will be used by some crypto code in the next merge
window"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: assembler: add macros to conditionally yield the NEON under PREEMPT
arm64: assembler: add utility macros to push/pop stack frames
arm64: Move the content of bpi.S to hyp-entry.S
arm64: Get rid of __smccc_workaround_1_hvc_*
arm64: capabilities: Rework EL2 vector hardening entry
arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening
Pull more s390 updates from Martin Schwidefsky:
"Three notable larger changes next to the usual bug fixing:
- update the email addresses in MAINTAINERS for the s390 folks to use
the simpler linux.ibm.com domain instead of the old
linux.vnet.ibm.com
- an update for the zcrypt device driver that removes some old and
obsolete interfaces and add support for up to 256 crypto adapters
- a rework of the IPL aka boot code"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (23 commits)
s390: correct nospec auto detection init order
s390/zcrypt: Support up to 256 crypto adapters.
s390/zcrypt: Remove deprecated zcrypt proc interface.
s390/zcrypt: Remove deprecated ioctls.
s390/zcrypt: Make ap init functions static.
MAINTAINERS: update s390 maintainers email addresses
s390/ipl: remove reipl_method and dump_method
s390/ipl: correct kdump reipl block checksum calculation
s390/ipl: remove non-existing functions declaration
s390: assume diag308 set always works
s390/ipl: avoid adding scpdata to cmdline during ftp/dvd boot
s390/ipl: correct ipl parmblock valid checks
s390/ipl: rely on diag308 store to get ipl info
s390/ipl: move ipl_flags to ipl.c
s390/ipl: get rid of ipl_ssid and ipl_devno
s390/ipl: unite diag308 and scsi boot ipl blocks
s390/ipl: ensure loadparm valid flag is set
s390/qdio: lock device while installing IRQ handler
s390/qdio: clear intparm during shutdown
s390/ccwgroup: require at least one ccw device
...
We at Red Hat/Fedora have generally tried to have a per file breakdown of
every config option we set. This makes it easy for us to add new options
when they are exposed and keep a changelog of why they were set.
A Fedora example is here:
https://src.fedoraproject.org/cgit/rpms/kernel.git/tree/configs/fedora/generic
Using various merge scripts, we build up a config file and run it through
'make listnewconfig' and 'make oldnoconfig'. The idea is to print out new
config options that haven't been manually set and use the default until
a patch is posted to set it properly.
To speed things up, it would be nice to make it easier to generate a
patch to post the default setting. The output of 'make listnewconfig'
has two issues that limit us:
- it doesn't provide the default value
- it doesn't provide the new 'choice' options that get flagged in
'oldconfig'
This patch extends 'listnewconfig' to address the above two issues.
This allows us to run a script
make listnewconfig | rhconfig-tool -o patches; git send-email patches/
The output of 'make listnewconfig':
CONFIG_NET_EMATCH_IPT
CONFIG_IPVLAN
CONFIG_ICE
CONFIG_NET_VENDOR_NI
CONFIG_IEEE802154_MCR20A
CONFIG_IR_IMON_DECODER
CONFIG_IR_IMON_RAW
The new output of 'make listnewconfig':
CONFIG_KERNEL_XZ=n
CONFIG_KERNEL_LZO=n
CONFIG_NET_EMATCH_IPT=n
CONFIG_IPVLAN=n
CONFIG_ICE=n
CONFIG_NET_VENDOR_NI=y
CONFIG_IEEE802154_MCR20A=n
CONFIG_IR_IMON_DECODER=n
CONFIG_IR_IMON_RAW=n
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The new-kernel-pkg script is only present when grubby is installed, but it
may not always be the case. So if the script isn't present, attempt to use
the kernel-install script as a fallback instead.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
When looping btrfs/074 with many cpus (>= 8), it's possible to trigger
kernel warning due to first key verification:
[ 4239.523446] WARNING: CPU: 5 PID: 2381 at fs/btrfs/disk-io.c:460 btree_read_extent_buffer_pages+0x1ad/0x210
[ 4239.523830] Modules linked in:
[ 4239.524630] RIP: 0010:btree_read_extent_buffer_pages+0x1ad/0x210
[ 4239.527101] Call Trace:
[ 4239.527251] read_tree_block+0x42/0x70
[ 4239.527434] read_node_slot+0xd2/0x110
[ 4239.527632] push_leaf_right+0xad/0x1b0
[ 4239.527809] split_leaf+0x4ea/0x700
[ 4239.527988] ? leaf_space_used+0xbc/0xe0
[ 4239.528192] ? btrfs_set_lock_blocking_rw+0x99/0xb0
[ 4239.528416] btrfs_search_slot+0x8cc/0xa40
[ 4239.528605] btrfs_insert_empty_items+0x71/0xc0
[ 4239.528798] __btrfs_run_delayed_refs+0xa98/0x1680
[ 4239.529013] btrfs_run_delayed_refs+0x10b/0x1b0
[ 4239.529205] btrfs_commit_transaction+0x33/0xaf0
[ 4239.529445] ? start_transaction+0xa8/0x4f0
[ 4239.529630] btrfs_alloc_data_chunk_ondemand+0x1b0/0x4e0
[ 4239.529833] btrfs_check_data_free_space+0x54/0xa0
[ 4239.530045] btrfs_delalloc_reserve_space+0x25/0x70
[ 4239.531907] btrfs_direct_IO+0x233/0x3d0
[ 4239.532098] generic_file_direct_write+0xcb/0x170
[ 4239.532296] btrfs_file_write_iter+0x2bb/0x5f4
[ 4239.532491] aio_write+0xe2/0x180
[ 4239.532669] ? lock_acquire+0xac/0x1e0
[ 4239.532839] ? __might_fault+0x3e/0x90
[ 4239.533032] do_io_submit+0x594/0x860
[ 4239.533223] ? do_io_submit+0x594/0x860
[ 4239.533398] SyS_io_submit+0x10/0x20
[ 4239.533560] ? SyS_io_submit+0x10/0x20
[ 4239.533729] do_syscall_64+0x75/0x1d0
[ 4239.533979] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 4239.534182] RIP: 0033:0x7f8519741697
The problem here is, at btree_read_extent_buffer_pages() we don't have
acquired read/write lock on that extent buffer, only basic info like
level/bytenr is reliable.
So race condition leads to such false alert.
However in current call site, it's impossible to acquire proper lock
without race window.
To fix the problem, we only verify first key for committed tree blocks
(whose generation is no larger than fs_info->last_trans_committed), so
the content of such tree blocks will not change and there is no need to
get read/write lock.
Reported-by: Nikolay Borisov <nborisov@suse.com>
Fixes: 581c176041 ("btrfs: Validate child tree block's level and first key")
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The cpu_has_feature() mechanism has an optimisation where at build
time we construct a mask of the CPU feature bits that will always be
true for the given .config, based on the platform/bitness/etc. that we
are building for.
That is incompatible with DT CPU features, where the set of CPU
features is dependent on feature flags that are given to us by
firmware.
The result is that some feature bits can not be *disabled* by DT CPU
features. Or more accurately, they can be disabled but they will still
appear in the ALWAYS mask, meaning cpu_has_feature() will always
return true for them.
In the past this hasn't really been a problem because on Book3S
64 (where we support DT CPU features), the set of ALWAYS bits has been
very small. That was because we always built for POWER4 and later,
meaning the set of common bits was small.
The only bit that could be cleared by DT CPU features that was also in
the ALWAYS mask was CPU_FTR_NODSISRALIGN, and that was only used in
the alignment handler to create a fake DSISR. That code was itself
deleted in 31bfdb036f ("powerpc: Use instruction emulation
infrastructure to handle alignment faults") (Sep 2017).
However the set of ALWAYS features changed with the recent commit
db5ae1c155 ("powerpc/64s: Refine feature sets for little endian
builds") which restricted the set of feature flags when building
little endian to Power7 or later. That caused the ALWAYS mask to
become much larger for little endian builds.
The result is that the following feature bits can currently not
be *disabled* by DT CPU features:
CPU_FTR_REAL_LE, CPU_FTR_MMCRA, CPU_FTR_CTRL, CPU_FTR_SMT,
CPU_FTR_PURR, CPU_FTR_SPURR, CPU_FTR_DSCR, CPU_FTR_PKEY,
CPU_FTR_VMX_COPY, CPU_FTR_CFAR, CPU_FTR_HAS_PPR.
To fix it we need to mask the set of ALWAYS features with the base set
of DT CPU features, ie. the features that are always enabled by DT CPU
features. That way there are no bits in the ALWAYS mask that are not
also always set by DT CPU features.
Fixes: db5ae1c155 ("powerpc/64s: Refine feature sets for little endian builds")
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
RFC 4122 asks for letters a-f in UUID to be lowercase. Follow this
recommendation.
Suggested by Paul Dagnelie at:
https://savannah.nongnu.org/bugs/index.php?53569
Signed-off-by: Jean Delvare <jdelvare@suse.de>
OEM strings are defined by each OEM and they contain customized and
useful OEM information. Supporting it provides more flexible uses of
the dmi_matches function.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
The test which ensures that the DMI type 1 structure is long enough
to hold the UUID is off by one. It would fail if the structure is
exactly 24 bytes long, while that's sufficient to hold the UUID.
I don't expect this bug to cause problem in practice because all
implementations I have seen had length 8, 25 or 27 bytes, in line
with the SMBIOS specifications. But let's fix it still.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: a814c3597a ("firmware: dmi_scan: Check DMI structure length")
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Merge tag 'drm-fixes-for-v4.17-rc1' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"One omap, and one alsa pm fix (we merged the breaking patch via drm
tree).
Otherwise it's two bunches of amdgpu fixes, removing an unneeded file,
some DC fixes, HDMI audio regression fix, and some vega12 fixes"
* tag 'drm-fixes-for-v4.17-rc1' of git://people.freedesktop.org/~airlied/linux: (27 commits)
Revert "drm/amd/display: disable CRTCs with NULL FB on their primary plane (V2)"
Revert "drm/amd/display: fix dereferencing possible ERR_PTR()"
drm/amd/display: Fix regamma not affecting full-intensity color values
drm/amd/display: Fix FBC text console corruption
drm/amd/display: Only register backlight device if embedded panel connected
drm/amd/display: fix brightness level after resume from suspend
drm/amd/display: HDMI has no sound after Panel power off/on
drm/amdgpu: add MP1 and THM hw ip base reg offset
drm/amdgpu: fix null pointer panic with direct fw loading on gpu reset
drm/radeon: add PX quirk for Asus K73TK
drm/omap: fix crash if there's no video PLL
drm/amdgpu: Fix memory leaks at amdgpu_init() error path
drm/amdgpu: Fix PCIe lane width calculation
drm/radeon: Fix PCIe lane width calculation
drm/amdgpu/si: implement get/set pcie_lanes asic callback
drm/amdgpu: Add support for SRBM selection v3
Revert "drm/amdgpu: Don't change preferred domian when fallback GTT v5"
drm/amd/powerply: fix power reading on Fiji
drm/amd/powerplay: Enable ACG SS feature
drm/amdgpu/sdma: fix mask in emit_pipeline_sync
...
- Replace open coded "ARRAY_SIZE()" with macro
- Updates to uprobes
- Bug fix for perf event filter on error path
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Merge tag 'trace-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"A few clean ups and bug fixes:
- replace open coded "ARRAY_SIZE()" with macro
- updates to uprobes
- bug fix for perf event filter on error path"
* tag 'trace-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Enforce passing in filter=NULL to create_filter()
trace_uprobe: Simplify probes_seq_show()
trace_uprobe: Use %lx to display offset
tracing/uprobe: Add support for overlayfs
tracing: Use ARRAY_SIZE() macro instead of open coding it
Add copyright in two files before they get autorubberstamped.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'pci-v4.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- mark Extended Tags as broken on Broadcom HT1100 and HT2000 Root Ports
to fix drm/Xorg hangs and unresponsive keyboards (Sinan Kaya)
- remove useless messages during resource reassignment (Desnes A. Nunes
do Rosario)
* tag 'pci-v4.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Remove messages about reassigning resources
PCI: Mark Broadcom HT1100 and HT2000 Root Port Extended Tags as broken
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
and get rid of some more calls to get_rfc1002_length()
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
More cleanup of use of hardcoded 4 byte RFC1001 field size
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Pull parisc updates from Helge Deller:
- fix panic when halting system via "shutdown -h now"
- drop own coding in favour of generic CONFIG_COMPAT_BINFMT_ELF
implementation
- add FPE_CONDTRAP constant: last outstanding parisc-specific cleanup
for Eric Biedermans siginfo patches
- move some functions to .init and some to .text.hot linker sections
* 'parisc-4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Prevent panic at system halt
parisc: Switch to generic COMPAT_BINFMT_ELF
parisc: Move cache flush functions into .text.hot section
parisc/signal: Add FPE_CONDTRAP for conditional trap handling
On SuperH, the base of the physical memory might be different from
zero. In this case, PCI address zero will map to a non-zero physical
address. In order to make sure that the DMA mapping API takes care of
this DMA offset, we must fill in the dev->dma_pfn_offset field for PCI
devices. This gets done in the pcibios_bus_add_device() hook, called
for each new PCI device detected.
The dma_pfn_offset global variable is re-calculated for every PCI
controller available on the platform, but that's not an issue because
its value will each time be exactly the same, as it only depends on
the memory start address and memory size.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
The code setting up the PCI -> SuperHighway mapping doesn't take into
account the fact that the address stored in PCIELARx must be aligned
with the size stored in PCIELAMRx.
For example, when your physical memory starts at 0x0800_0000 (128 MB),
a size of 64 MB or 128 MB is fine. However, if you have 256 MB of
memory, it doesn't work because the base address is not aligned on the
size.
In such situation, we have to round down the base address to make sure
it is aligned on the size of the area. For for a 0x0800_0000 base
address with 256 MB of memory, we will round down to 0x0, and extend
the size of the mapping to 512 MB.
This allows the mapping to work on platforms that have 256 MB of
RAM. The current setup would only work with 128 MB of RAM or less.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
The current definition of the PCIe IO and MEM resources for SH7786
doesn't match what the datasheet says. For example, for PCIe0
0xfe100000 is advertised by the datasheet as a PCI IO region, while
0xfd000000 is advertised as a PCI MEM region. The code currently
inverts the two.
The SH4A_PCIEPARL and SH4A_PCIEPTCTLR registers allow to define the
base address and role of the different regions (including whether it's
a MEM or IO region). However, practical experience on a SH7786 shows
that if 0xfe100000 is used for LEL and 0xfd000000 for IO, a PCIe
device using two MEM BARs cannot be accessed at all. Simply using
0xfe100000 for IO and 0xfd000000 for MEM makes the PCIe device
accessible.
It is very likely that this was never seen because there are two other
PCI MEM region listed in the resources. However, for different
reasons, none of the two other MEM regions are usable on the specific
SH7786 platform the problem was encountered. Therefore, the last MEM
region at 0xfe100000 was used to place the BARs, making the device
non-functional.
This commit therefore adjusts those PCI MEM and IO resources
definitions so that they match what the datasheet says. They have only
been tested with PCIe 0.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
Depending on the physical memory layout, some PCI MEM areas are not
usable. According to the SH7786 datasheet, the PCI MEM area from
1000_0000 to 13FF_FFFF is only usable if the physical memory layout
(in MMSELR) is 1, 2, 5 or 6. In all other configurations, this PCI MEM
area is not usable (because it overlaps with DRAM).
Therefore, this commit adjusts the PCI SH7786 initialization to mark
the relevant PCI resource as IORESOURCE_DISABLED if we can't use it.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
Some PCI MEM resources are marked as IORESOURCE_MEM_32BIT, which means
they are only usable when the SH core runs in 32-bit mode. In 29-bit
mode, such memory regions are not usable.
The existing code for SH7786 properly skips such regions when
configuring the PCIe controller registers. However, because such
regions are still described in the resource array, the
pcibios_scanbus() function in the SuperH pci.c will register them to
the PCI core. Due to this, the PCI core will allocate MEM areas from
this resource, and assign BARs pointing to this area, even though it's
unusable.
In order to prevent this from happening, we mark such regions as
IORESOURCE_DISABLED, which tells the SuperH pci.c pcibios_scanbus()
function to skip them.
Note that we separate marking the region as disabled from skipping it,
because other regions will be marked as disabled in follow-up patches.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
In pcibios_scanbus(), we provide to the PCI core the usable MEM and IO
regions using pci_add_resource_offset(). We travel through all
resources available in the "struct pci_channel".
Also, in register_pci_controller(), we travel through all resources to
request them, making sure they don't conflict with already requested
resources.
However, some resources may be disabled, in which case they should not
be requested nor provided to the PCI core.
In the current situation, none of the resources are disabled. However,
follow-up patches in this series will make some resources disabled,
making this preliminary change necessary.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
Some devices may have a non-zero DMA offset, i.e an offset between the
DMA address and the physical address. Such an offset can be encoded
into the dma_pfn_offset field of "struct device", but the SuperH
implementation of the DMA mapping API does not observe this
information.
This commit fixes that by ensuring the DMA address is properly
calculated depending on this DMA offset.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
The SH7786 has different physical memory layout configurations,
configurable through the MMSELR register. The configuration is
typically defined by the bootloader, so Linux generally doesn't care.
Except that depending on the configuration, some PCI MEM areas may or
may not be available. This commit adds a helper function that allows
to retrieve the current physical memory layout configuration. It will
be used in a following patch to exclude unusable PCI MEM areas during
the PCI initialization.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rich Felker <dalias@libc.org>
When responding to a debug trap (breakpoint) in userspace, the
kernel's trap handler raised SIGTRAP but returned from the trap via a
code path that ignored pending signals, resulting in an infinite loop
re-executing the trapping instruction.
Signed-off-by: Rich Felker <dalias@libc.org>
unflatten_device_tree() makes use of memblock allocation, and
therefore must be called before paging_init() migrates the memblock
allocation data to the bootmem framework. Otherwise the record of the
allocation for the expanded device tree will be lost, and will
eventually be clobbered when allocated for another use.
Signed-off-by: Rich Felker <dalias@libc.org>
Commit 00b73d8d1b ("sh: add working futex atomic ops on userspace
addresses for smp") changed the futex_atomic_op_inuser function to
use a loop. In case of the FUTEX_OP_SET op with a userspace address
containing a value different of 0, this loop is an endless loop.
Fix that by loading the value of oldval from the userspace before doing
the cmpxchg op, also for the FUTEX_OP_SET case.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Rich Felker <dalias@libc.org>
- Add a PX quirk for radeon
- Fix flickering and stability issues with DC on some platforms
- Fix HDMI audio regression
- Few other misc DC and base driver fixes
* 'drm-next-4.17' of git://people.freedesktop.org/~agd5f/linux:
Revert "drm/amd/display: disable CRTCs with NULL FB on their primary plane (V2)"
Revert "drm/amd/display: fix dereferencing possible ERR_PTR()"
drm/amd/display: Fix regamma not affecting full-intensity color values
drm/amd/display: Fix FBC text console corruption
drm/amd/display: Only register backlight device if embedded panel connected
drm/amd/display: fix brightness level after resume from suspend
drm/amd/display: HDMI has no sound after Panel power off/on
drm/amdgpu: add MP1 and THM hw ip base reg offset
drm/amdgpu: fix null pointer panic with direct fw loading on gpu reset
drm/radeon: add PX quirk for Asus K73TK
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Merge tag 'drm-misc-next-fixes-2018-04-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
omap: Fix crash on AM4 EVM, and all OMAP2/3 boards (Tomi)
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
* tag 'drm-misc-next-fixes-2018-04-11' of git://anongit.freedesktop.org/drm/drm-misc:
drm/omap: fix crash if there's no video PLL
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
and get rid of some get_rfc1002_length() in smb2
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
SMB3.11 crypto and hash contexts were not being checked strictly enough.
Add parsing and validity checking for the security contexts in the SMB3.11
negotiate response.
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
The length checking for SMB3.11 negotiate request includes
"negotiate contexts" which caused a buffer validation problem
and a confusing warning message on SMB3.11 mount e.g.:
SMB2 server sent bad RFC1001 len 236 not 170
Fix the length checking for SMB3.11 negotiate to account for
the new negotiate context so that we don't log a warning on
SMB3.11 mount by default but do log warnings if lengths returned
by the server are incorrect.
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
- Cleanup unnecessary function call parameters
- Fix a use-after-free bug when aborting logging intents
- Refactor filestreams state data to avoid use-after-free bug
- Fix incorrect removal of cow extents when truncating extended
attributes.
- Refactor open-coded __set_page_dirty in favor of using vfs function.
- Fix a deadlock when fstrim and fs shutdown race.
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Merge tag 'xfs-4.17-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull more xfs updates from Darrick Wong:
"Most of these are code cleanups, but there are a couple of notable
use-after-free bug fixes.
This series has been run through a full xfstests run over the week and
through a quick xfstests run against this morning's master, with no
major failures reported.
- clean up unnecessary function call parameters
- fix a use-after-free bug when aborting logging intents
- refactor filestreams state data to avoid use-after-free bug
- fix incorrect removal of cow extents when truncating extended
attributes.
- refactor open-coded __set_page_dirty in favor of using vfs
function.
- fix a deadlock when fstrim and fs shutdown race"
* tag 'xfs-4.17-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
Force log to disk before reading the AGF during a fstrim
Export __set_page_dirty
xfs: only cancel cow blocks when truncating the data fork
xfs: non-scrub - remove unused function parameters
xfs: remove filestream item xfs_inode reference
xfs: fix intent use-after-free on abort
xfs: Remove "committed" argument of xfs_dir_ialloc
merge window while it's still open.
1. The first patch adds a new function to lockref: lockref_put_not_zero
2. The second patch fixes GFS2's glock dump code so it uses the new lockref
function. This fixes a problem whereby lock dumps could miss glocks.
3. I made a minor patch to update some comments and fix the lock ordering
text in our gfs2-glocks.txt Documentation file.
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Merge tag 'gfs2-4.17.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull more gfs2 updates from Bob Peterson:
"We decided to request the latest three patches to be merged into this
merge window while it's still open.
- The first patch adds a new function to lockref:
lockref_put_not_zero
- The second patch fixes GFS2's glock dump code so it uses the new
lockref function. This fixes a problem whereby lock dumps could
miss glocks.
- I made a minor patch to update some comments and fix the lock
ordering text in our gfs2-glocks.txt Documentation file"
* tag 'gfs2-4.17.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
GFS2: Minor improvements to comments and documentation
gfs2: Stop using rhashtable_walk_peek
lockref: Add lockref_put_not_zero
Stable bugfixes:
- xprtrdma: Fix corner cases when handling device removal # v4.12+
- xprtrdma: Fix latency regression on NUMA NFS/RDMA clients # v4.15+
Features:
- New sunrpc tracepoint for RPC pings
- Finer grained NFSv4 attribute checking
- Don't unnecessarily return NFS v4 delegations
Other bugfixes and cleanups:
- Several other small NFSoRDMA cleanups
- Improvements to the sunrpc RTT measurements
- A few sunrpc tracepoint cleanups
- Various fixes for NFS v4 lock notifications
- Various sunrpc and NFS v4 XDR encoding cleanups
- Switch to the ida_simple API
- Fix NFSv4.1 exclusive create
- Forget acl cache after setattr operation
- Don't advance the nfs_entry readdir cookie if xdr decoding fails
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Merge tag 'nfs-for-4.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"Stable bugfixes:
- xprtrdma: Fix corner cases when handling device removal # v4.12+
- xprtrdma: Fix latency regression on NUMA NFS/RDMA clients # v4.15+
Features:
- New sunrpc tracepoint for RPC pings
- Finer grained NFSv4 attribute checking
- Don't unnecessarily return NFS v4 delegations
Other bugfixes and cleanups:
- Several other small NFSoRDMA cleanups
- Improvements to the sunrpc RTT measurements
- A few sunrpc tracepoint cleanups
- Various fixes for NFS v4 lock notifications
- Various sunrpc and NFS v4 XDR encoding cleanups
- Switch to the ida_simple API
- Fix NFSv4.1 exclusive create
- Forget acl cache after setattr operation
- Don't advance the nfs_entry readdir cookie if xdr decoding fails"
* tag 'nfs-for-4.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (47 commits)
NFS: advance nfs_entry cookie only after decoding completes successfully
NFSv3/acl: forget acl cache after setattr
NFSv4.1: Fix exclusive create
NFSv4: Declare the size up to date after it was set.
nfs: Use ida_simple API
NFSv4: Fix the nfs_inode_set_delegation() arguments
NFSv4: Clean up CB_GETATTR encoding
NFSv4: Don't ask for attributes when ACCESS is protected by a delegation
NFSv4: Add a helper to encode/decode struct timespec
NFSv4: Clean up encode_attrs
NFSv4; Clean up XDR encoding of type bitmap4
NFSv4: Allow GFP_NOIO sleeps in decode_attr_owner/decode_attr_group
SUNRPC: Add a helper for encoding opaque data inline
SUNRPC: Add helpers for decoding opaque and string types
NFSv4: Ignore change attribute invalidations if we hold a delegation
NFS: More fine grained attribute tracking
NFS: Don't force unnecessary cache invalidation in nfs_update_inode()
NFS: Don't redirty the attribute cache in nfs_wcc_update_inode()
NFS: Don't force a revalidation of all attributes if change is missing
NFS: Convert NFS_INO_INVALID flags to unsigned long
...
Pull vfs thaw updates from Al Viro:
"An ancient series that has fallen through the cracks in the previous
cycle"
* 'work.thaw' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
buffer.c: call thaw_super during emergency thaw
vfs: factor sb iteration out of do_emergency_remount
This seems to cause flickering and lock-ups for a wide range of users.
Revert until we've found a proper fix for the flickering and lock-ups.
This reverts commit 36cc549d59.
Cc: Shirish S <shirish.s@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Pull AFS updates from Al Viro:
"The AFS series posted by dhowells depended upon lookup_one_len()
rework; now that prereq is in the mainline, that series had been
rebased on top of it and got some exposure and testing..."
* 'afs-dh' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
afs: Do better accretion of small writes on newly created content
afs: Add stats for data transfer operations
afs: Trace protocol errors
afs: Locally edit directory data for mkdir/create/unlink/...
afs: Adjust the directory XDR structures
afs: Split the directory content defs into a header
afs: Fix directory handling
afs: Split the dynroot stuff out and give it its own ops tables
afs: Keep track of invalid-before version for dentry coherency
afs: Rearrange status mapping
afs: Make it possible to get the data version in readpage
afs: Init inode before accessing cache
afs: Introduce a statistics proc file
afs: Dump bad status record
afs: Implement @cell substitution handling
afs: Implement @sys substitution handling
afs: Prospectively look up extra files when doing a single lookup
afs: Don't over-increment the cell usage count when pinning it
afs: Fix checker warnings
vfs: Remove the const from dir_context::actor
This reverts commit cd2d6c92a8.
Cc: Shirish S <shirish.s@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Hardware understands the regamma LUT as a piecewise linear function,
with points spaced exponentially along the range. We previously
programmed the LUT for range [2^-10, 2^0). This causes (normalized)
color values of 1 (=2^0) to miss the programmed LUT, and fall onto the
end region.
For DCE, the end region is extrapolated using a single (base, slope)
pair, using the max y-value from the last point in the curve as base.
This presents a problem, since this value affects all three color
channels. Scaling down the intensity of say - the blue regamma curve -
will not affect it's end region. This is especially noticiable when
using RedShift. It scales down the blue and green channels, but leaves
full-intensity colors unshifted.
Therefore, extend the range to cover [2^-10, 2^1) by programming another
hardware segment, containing only one point. That way, we won't be
hitting the end region.
Note that things are a bit different for DCN, since the end region can
be set per-channel.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Pull networking fixes from David Miller:
1) In ip_gre tunnel, handle the conflict between TUNNEL_{SEQ,CSUM} and
GSO/LLTX properly. From Sabrina Dubroca.
2) Stop properly on error in lan78xx_read_otp(), from Phil Elwell.
3) Don't uncompress in slip before rstate is initialized, from Tejaswi
Tanikella.
4) When using 1.x firmware on aquantia, issue a deinit before we
hardware reset the chip, otherwise we break dirty wake WOL. From
Igor Russkikh.
5) Correct log check in vhost_vq_access_ok(), from Stefan Hajnoczi.
6) Fix ethtool -x crashes in bnxt_en, from Michael Chan.
7) Fix races in l2tp tunnel creation and duplicate tunnel detection,
from Guillaume Nault.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
l2tp: fix race in duplicate tunnel detection
l2tp: fix races in tunnel creation
tun: send netlink notification when the device is modified
tun: set the flags before registering the netdevice
lan78xx: Don't reset the interface on open
bnxt_en: Fix NULL pointer dereference at bnxt_free_irq().
bnxt_en: Need to include RDMA rings in bnxt_check_rings().
bnxt_en: Support max-mtu with VF-reps
bnxt_en: Ignore src port field in decap filter nodes
bnxt_en: do not allow wildcard matches for L2 flows
bnxt_en: Fix ethtool -x crash when device is down.
vhost: return bool from *_access_ok() functions
vhost: fix vhost_vq_access_ok() log check
vhost: Fix vhost_copy_to_user()
net: aquantia: oops when shutdown on already stopped device
net: aquantia: Regression on reset with 1.x firmware
cdc_ether: flag the Cinterion AHS8 modem by gemalto as WWAN
slip: Check if rstate is initialized before uncompressing
lan78xx: Avoid spurious kevent 4 "error"
lan78xx: Correctly indicate invalid OTP
...
Linus Torvalds