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The page table pages corresponding to broken down large pages are zapped in
FIFO order, so that the large page can potentially be recovered, if it is
not longer being used for execution. This removes the performance penalty
for walking deeper EPT page tables.
By default, one large page will last about one hour once the guest
reaches a steady state.
Signed-off-by: Junaid Shahid <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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The last time Kevin did a review was sometime around 2014,
since then, he has not been active for the BMIPS generic platform
changes.
Signed-off-by: Florian Fainelli <[email protected]>
[[email protected]:
Drop the non-technical commit message content; Kevin's absence from
the role is ample reasoning for this change.]
Signed-off-by: Paul Burton <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.4, 3rd round:
- Fix the GPIO number that is controlling core voltage on
imx8mq-zii-ultra board.
* tag 'imx-fixes-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: zii-ultra: fix ARM regulator GPIO handle
Link: https://lore.kernel.org/r/20191104084513.GW24620@dragon
Signed-off-by: Olof Johansson <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk into clk-fixes
Pull Samsung clk driver fixes from Sylwester Nawrocki:
- system suspend related fixes for the exynos542x clocks driver
- probe() error paths fixes in the exynos5433 CMU driver adding
proper release of memory and clk resources
* tag 'clk-v5.4-samsung-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk:
clk: samsung: exynos5420: Preserve PLL configuration during suspend/resume
clk: samsung: exynos542x: Move G3D subsystem clocks to its sub-CMU
clk: samsung: exynos5433: Fix error paths
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes
Two patches that fix some operator precedence and zeroing of bits
* tag 'sunxi-clk-fixes-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: a80: fix the zero'ing of bits 16 and 18
clk: sunxi: Fix operator precedence in sunxi_divs_clk_setup
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Commit 3d8598fb9c5a ("clk: ti: clkctrl: use fallback udelay approach if
timekeeping is suspended") added handling for cases when timekeeping is
suspended. But looks like we can still get occasional "failed to enable"
errors on the PM runtime resume path with udelay() returning faster than
expected.
With ti-sysc interconnect target module driver this leads into device
failure with PM runtime failing with "failed to enable" clkctrl error.
Let's fix the issue with a delay of two times the desired delay as in
often done for udelay() to account for the inaccuracy.
Fixes: 3d8598fb9c5a ("clk: ti: clkctrl: use fallback udelay approach if timekeeping is suspended")
Cc: Keerthy <[email protected]>
Cc: Tero Kristo <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Tested-by: Keerthy <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
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ti_clk_register() calls it already so the driver should not create
duplicated alias.
Signed-off-by: Peter Ujfalusi <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>
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https://git.linaro.org/people/daniel.lezcano/linux into timers/urgent
Pull clockevent fixes from Daniel Lezcano:
- Fix scary messages in sh_mtu2 by using platform_irq_count() helper
function (Geert Uytterhoeven)
- Fix double free when using timer-of in the mediatek timer driver
(Fabien Parent)
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Make sure register data length does not mismatch immediate data length,
otherwise hit EOPNOTSUPP.
Fixes: c9626a2cbdb2 ("netfilter: nf_tables: add hardware offload support")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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This adds support for Intel TH on Jasper Lake PCH.
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This adds support for Intel TH on Comet Lake PCH.
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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'mode' is malloced in mode_store() and should be freed before leaving
from the error handling cases, otherwise it will cause memory leak.
Fixes: 615c164da0eb ("intel_th: msu: Introduce buffer interface")
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The shift of the unsigned int win->nr_blocks by PAGE_SHIFT may
potentially overflow. Note that the intended return of this shift
is expected to be a size_t however the shift is being performed as
an unsigned int. Fix this by casting win->nr_blocks to a size_t
before performing the shift.
Addresses-Coverity: ("Unintentional integer overflow")
Fixes: 615c164da0eb ("intel_th: msu: Introduce buffer interface")
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Commit 615c164da0eb ("intel_th: msu: Introduce buffer interface") forgot
to add a NULL pointer check for the value returned from kstrdup(), which
will be troublesome if the allocation fails.
Fix that by adding the check.
Addresses-Coverity: ("Dereference null return")
Fixes: 615c164da0eb ("intel_th: msu: Introduce buffer interface")
Signed-off-by: Colin Ian King <[email protected]>
[alexander.shishkin: amended the commit message]
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Commit 615c164da0eb ("intel_th: msu: Introduce buffer interface") added a
mutex that it forgot to initialize, resulting in a lockdep splat.
Fix that by initializing the mutex statically.
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Fixes: 615c164da0eb ("intel_th: msu: Introduce buffer interface")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Commit 8116db57cf16 ("intel_th: Add switch triggering support") added
a trigger assertion of the CTS, but forgot to de-assert it at the end
of the sequence. This results in window switches randomly not happening.
Fix that by de-asserting the trigger at the end of the window switch
sequence.
Signed-off-by: Alexander Shishkin <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Fixes: 8116db57cf16 ("intel_th: Add switch triggering support")
Cc: stable <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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When ASoC card instance is removed containing a HDA codec,
hdac_hda_codec_remove() may run in parallel with codec resume.
This will cause problems if the HDA link is freed with
snd_hdac_ext_bus_link_put() while the codec is still in
middle of its resume process.
To fix this, change the order such that pm_runtime_disable()
is called before the link is freed. This will ensure any
pending runtime PM action is completed before proceeding
to free the link.
This issue can be easily hit with e.g. SOF driver by loading and
unloading the drivers.
Signed-off-by: Kai Vehmanen <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Add a function to create a kernel thread associated with a given VM. In
particular, it ensures that the worker thread inherits the priority and
cgroups of the calling thread.
Signed-off-by: Junaid Shahid <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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With some Intel processors, putting the same virtual address in the TLB
as both a 4 KiB and 2 MiB page can confuse the instruction fetch unit
and cause the processor to issue a machine check resulting in a CPU lockup.
Unfortunately when EPT page tables use huge pages, it is possible for a
malicious guest to cause this situation.
Add a knob to mark huge pages as non-executable. When the nx_huge_pages
parameter is enabled (and we are using EPT), all huge pages are marked as
NX. If the guest attempts to execute in one of those pages, the page is
broken down into 4K pages, which are then marked executable.
This is not an issue for shadow paging (except nested EPT), because then
the host is in control of TLB flushes and the problematic situation cannot
happen. With nested EPT, again the nested guest can cause problems shadow
and direct EPT is treated in the same way.
[ tglx: Fixup default to auto and massage wording a bit ]
Originally-by: Junaid Shahid <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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A kernel module may need to check the value of the "mitigations=" kernel
command line parameter as part of its setup when the module needs
to perform software mitigations for a CPU flaw.
Uninline and export the helper functions surrounding the cpu_mitigations
enum to allow for their usage from a module.
Lastly, privatize the enum and cpu_mitigations variable since the value of
cpu_mitigations can be checked with the exported helper functions.
Signed-off-by: Tyler Hicks <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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Add the new cpu family ATOM_TREMONT_D to the cpu vunerability
whitelist. ATOM_TREMONT_D is not affected by X86_BUG_ITLB_MULTIHIT.
ATOM_TREMONT_D might have mitigations against other issues as well, but
only the ITLB multihit mitigation is confirmed at this point.
Signed-off-by: Pawan Gupta <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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Some processors may incur a machine check error possibly resulting in an
unrecoverable CPU lockup when an instruction fetch encounters a TLB
multi-hit in the instruction TLB. This can occur when the page size is
changed along with either the physical address or cache type. The relevant
erratum can be found here:
https://bugzilla.kernel.org/show_bug.cgi?id=205195
There are other processors affected for which the erratum does not fully
disclose the impact.
This issue affects both bare-metal x86 page tables and EPT.
It can be mitigated by either eliminating the use of large pages or by
using careful TLB invalidations when changing the page size in the page
tables.
Just like Spectre, Meltdown, L1TF and MDS, a new bit has been allocated in
MSR_IA32_ARCH_CAPABILITIES (PSCHANGE_MC_NO) and will be set on CPUs which
are mitigated against this issue.
Signed-off-by: Vineela Tummalapalli <[email protected]>
Co-developed-by: Pawan Gupta <[email protected]>
Signed-off-by: Pawan Gupta <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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to pick up the KVM fix which is required for the NX series.
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When the compiler decides not to inline the Chunky-to-Planar core
functions, the build fails with:
c2p_planar.c:(.text+0xd6): undefined reference to `c2p_unsupported'
c2p_planar.c:(.text+0x1dc): undefined reference to `c2p_unsupported'
c2p_iplan2.c:(.text+0xc4): undefined reference to `c2p_unsupported'
c2p_iplan2.c:(.text+0x150): undefined reference to `c2p_unsupported'
Fix this by marking the functions __always_inline.
While this could be triggered before by manually enabling both
CONFIG_OPTIMIZE_INLINING and CONFIG_CC_OPTIMIZE_FOR_SIZE, it was exposed
in the m68k defconfig by commit ac7c3e4ff401b304 ("compiler: enable
CONFIG_OPTIMIZE_INLINING forcibly").
Fixes: 9012d011660ea5cf ("compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING")
Reported-by: [email protected]
Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Masahiro Yamada <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Saffire Pro i/o series
For Focusrite Saffire Pro i/o, the lowest 8 bits of register represents
configured source of sampling clock. The next lowest 8 bits represents
whether the configured source is actually detected or not just after
the register is changed for the source.
Current implementation evaluates whole the register to detect configured
source. This results in failure due to the next lowest 8 bits when the
source is connected in advance.
This commit fixes the bug.
Fixes: 25784ec2d034 ("ALSA: bebob: Add support for Focusrite Saffire/SaffirePro series")
Cc: <[email protected]> # v3.16+
Signed-off-by: Takashi Sakamoto <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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The GPIO handle is referencing the wrong GPIO, so the voltage did not
actually change as intended. The pinmux is already correct, so just
correct the GPIO number.
Fixes: 4a13b3bec3b4 (arm64: dts: imx: add Zii Ultra board support)
Signed-off-by: Lucas Stach <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>
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This reverts commit 8f86a5b4ad679e4836733b47414226074eee4e4d.
It has been established that this causes a boot regression on
both Baytrail and Cherrytrail SoCs, and we can't have that in
the final kernel release, so we need to revert it.
Reported-by: Hans de Goede <[email protected]>
Acked-by: Andy Shevchenko <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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This reverts commit 6658f87f219427ee776c498e07c878eb5cad1be2.
This revert is a prerequisite for the later revert of commit
8f86a5b4ad679e4836733b47414226074eee4e4d.
Reported-by: Hans de Goede <[email protected]>
Acked-by: Andy Shevchenko <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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This reverts commit 4c87540940cbc7ddbe9674087919c605fd5c2ef1.
This revert is a prerequisite for the later revert of commit
8f86a5b4ad679e4836733b47414226074eee4e4d.
Reported-by: Hans de Goede <[email protected]>
Acked-by: Andy Shevchenko <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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When a mon group is being deleted, rdtgrp->flags is set to RDT_DELETED
in rdtgroup_rmdir_mon() firstly. The structure of rdtgrp will be freed
until rdtgrp->waitcount is dropped to 0 in rdtgroup_kn_unlock() later.
During the window of deleting a mon group, if an application calls
rdtgroup_mondata_show() to read mondata under this mon group,
'rdtgrp' returned from rdtgroup_kn_lock_live() is a NULL pointer when
rdtgrp->flags is RDT_DELETED. And then 'rdtgrp' is passed in this path:
rdtgroup_mondata_show() --> mon_event_read() --> mon_event_count().
Thus it results in NULL pointer dereference in mon_event_count().
Check 'rdtgrp' in rdtgroup_mondata_show(), and return -ENOENT
immediately when reading mondata during the window of deleting a mon
group.
Fixes: d89b7379015f ("x86/intel_rdt/cqm: Add mon_data")
Signed-off-by: Xiaochen Shen <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Reviewed-by: Fenghua Yu <[email protected]>
Reviewed-by: Tony Luck <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: [email protected]
Cc: Reinette Chatre <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: x86-ml <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"The USB sub-maintainers woke up this past week and sent a bunch of
tiny fixes. Here are a lot of small patches that that resolve a bunch
of reported issues in the USB core, drivers, serial drivers, gadget
drivers, and of course, xhci :)
All of these have been in linux-next with no reported issues"
* tag 'usb-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (31 commits)
usb: dwc3: gadget: fix race when disabling ep with cancelled xfers
usb: cdns3: gadget: Fix g_audio use case when connected to Super-Speed host
usb: cdns3: gadget: reset EP_CLAIMED flag while unloading
USB: serial: whiteheat: fix line-speed endianness
USB: serial: whiteheat: fix potential slab corruption
USB: gadget: Reject endpoints with 0 maxpacket value
UAS: Revert commit 3ae62a42090f ("UAS: fix alignment of scatter/gather segments")
usb-storage: Revert commit 747668dbc061 ("usb-storage: Set virt_boundary_mask to avoid SG overflows")
usbip: Fix free of unallocated memory in vhci tx
usbip: tools: Fix read_usb_vudc_device() error path handling
usb: xhci: fix __le32/__le64 accessors in debugfs code
usb: xhci: fix Immediate Data Transfer endianness
xhci: Fix use-after-free regression in xhci clear hub TT implementation
USB: ldusb: fix control-message timeout
USB: ldusb: use unsigned size format specifiers
USB: ldusb: fix ring-buffer locking
USB: Skip endpoints with 0 maxpacket length
usb: cdns3: gadget: Don't manage pullups
usb: dwc3: remove the call trace of USBx_GFLADJ
usb: gadget: configfs: fix concurrent issue between composite APIs
...
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Attempting to allocate an entry at 0xffffffff when one is already
present would succeed in allocating one at 2^32, which would confuse
everything. Return -ENOSPC in this case, as expected.
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
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If there is an entry at INT_MAX then idr_for_each_entry() will increment
id after handling it. This is undefined behaviour, and is caught by
UBSAN. Adding 1U to id forces the operation to be carried out as an
unsigned addition which (when assigned to id) will result in INT_MIN.
Since there is never an entry stored at INT_MIN, idr_get_next() will
return NULL, ending the loop as expected.
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
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Pull cifs fix from Steve French:
"A small smb3 memleak fix"
* tag '5.4-rc6-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6:
fix memory leak in large read decrypt offload
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
One fix for the A83t powerdown, and one for the TBS A711 tablet wifi suspend
* tag 'sunxi-fixes-for-5.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: sunxi: Fix CPU powerdown on A83T
ARM: dts: sun8i-a83t-tbs-a711: Fix WiFi resume from suspend
Link: https://lore.kernel.org/r/3935640c-289c-40b2-b156-79787aed8c60.lettre@localhost
Signed-off-by: Olof Johansson <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.4, 2nd round:
- Get SNVS power key back to work for imx6-logicpd board. It was
accidentally disabled by commit 770856f0da5d ("ARM: dts: imx6qdl:
Enable SNVS power key according to board design").
- Fix sparse warnings in IMX GPC driver by making the initializers
in imx_gpc_domains C99 format.
- Fix an interrupt storm coming from accelerometer on imx6qdl-sabreauto
board. This is seen with upstream version U-Boot where pinctrl is not
configured for the device.
- Fix sdma device compatible string for i.MX8MM and i.MX8MN SoC.
- Fix compatible of PCA9547 i2c-mux on LS1028A QDS board to get the
device probed correctly.
* tag 'imx-fixes-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mn: fix compatible string for sdma
arm64: dts: imx8mm: fix compatible string for sdma
ARM: dts: imx6-logicpd: Re-enable SNVS power key
soc: imx: gpc: fix initialiser format
ARM: dts: imx6qdl-sabreauto: Fix storm of accelerometer interrupts
arm64: dts: ls1028a: fix a compatible issue
Link: https://lore.kernel.org/r/20191029110334.GA20928@dragon
Signed-off-by: Olof Johansson <[email protected]>
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Before commit 67b18dfb8cfc ("HID: i2c-hid: Remove runtime power
management"), any i2c-hid touchscreens would typically be runtime-suspended
between the driver loading and Xorg or a Wayland compositor opening it,
causing it to be resumed again. This means that before this change,
we would call i2c_hid_set_power(OFF), i2c_hid_set_power(ON) before the
graphical session would start listening to the touchscreen.
It turns out that at least some SIS touchscreens, such as the one found
on the Asus T100HA, need a power-on command after reset, otherwise they
will not send any events.
Fixes: 67b18dfb8cfc ("HID: i2c-hid: Remove runtime power management")
Cc: Kai-Heng Feng <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix read timeout problem in ina3221 driver
- Fix wrong bitmask in nct7904 driver
* tag 'hwmon-for-v5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ina3221) Fix read timeout issue
hwmon: (nct7904) Fix the incorrect value of vsen_mask & tcpu_mask & temp_mode in nct7904_data struct.
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fixes from Thierry Reding:
"It turned out that relying solely on drivers storing all the PWM state
in hardware was a little premature and causes a number of subtle (and
some not so subtle) regressions. Revert the offending patch for now"
* tag 'pwm/for-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
Revert "pwm: Let pwm_get_state() return the last implemented state"
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Nine changes, eight in drivers [ufs, target, lpfc x 2, qla2xxx x 4]
and one core change in sd that fixes an I/O failure on DIF type 3
devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: stop timer in shutdown path
scsi: sd: define variable dif as unsigned int instead of bool
scsi: target: cxgbit: Fix cxgbit_fw4_ack()
scsi: qla2xxx: Fix partial flash write of MBI
scsi: qla2xxx: Initialized mailbox to prevent driver load failure
scsi: lpfc: Honor module parameter lpfc_use_adisc
scsi: ufs-bsg: Wake the device before sending raw upiu commands
scsi: lpfc: Check queue pointer before use
scsi: qla2xxx: fixup incorrect usage of host_byte
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Our recent cleanup of EEH led to an oops on bare metal machines when
the cxl (CAPI) driver creates virtual devices for an attached FPGA
accelerator.
The "secure virtual machine" support we added in v5.4 had a bug if the
kernel was relocated (moved during boot), in those cases the signature
of the kernel text wouldn't verify and the Ultravisor would refuse to
run the VM.
A recent change to disable interrupts before calling
arch_cpu_idle_dead() caused a WARN_ON() in our bare metal CPU offline
code to always trigger.
The KUAP (SMAP) support we added for 32-bit Book3S had a bug if the
address range crossed a segment (256MB) boundary which could lead to
spurious faults.
Thanks to: Christophe Leroy, Frederic Barrat, Michael Anderson,
Nicholas Piggin, Sam Bobroff, Thiago Jung Bauermann"
* tag 'powerpc-5.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv: Fix CPU idle to be called with IRQs disabled
powerpc/prom_init: Undo relocation before entering secure mode
powerpc/powernv/eeh: Fix oops when probing cxl devices
powerpc/32s: fix allow/prevent_user_access() when crossing segment boundaries.
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix cpu idle time accounting
- Fix stack unwinder case when both pt_regs and sp are specified
- Fix information leak via cmm timeout proc handler
* tag 's390-5.4-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/idle: fix cpu idle time calculation
s390/unwind: fix mixing regs and sp
s390/cmm: fix information leak in cmm_timeout_handler()
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-linus
Vinod writes:
soundwire fixes for v5.4-rc6
- Kconfig fixes to ensure soundwire is built only for ACPI and DT
platform
- fix for intel PDI offsets and numbers
- slave scanf format fix
* tag 'soundwire-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: slave: fix scanf format
soundwire: intel: fix intel_register_dai PDI offsets and numbers
soundwire: depend on ACPI || OF
soundwire: depend on ACPI
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git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into char-misc-next
Mika writes:
thunderbolt: Fixes for v5.4
This includes three fixes for various issues people have reported:
- Fix DP tunneling on some Light Ridge controllers
- Fix for lockdep circular locking dependency warning
- Drop unnecessary read on ICL
* tag 'thunderbolt-fixes-for-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Drop unnecessary read when writing LC command in Ice Lake
thunderbolt: Fix lockdep circular locking depedency warning
thunderbolt: Read DP IN adapter first two dwords in one go
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into char-misc-linus
Georgi writes:
interconnect fixes for 5.4
Two tiny fixes for the current release:
- Fix memory allocation size in a driver.
- Add missing mutex.
Signed-off-by: Georgi Djakov <[email protected]>
* tag 'icc-5.4-rc5' of https://git.linaro.org/people/georgi.djakov/linux:
interconnect: Add locking in icc_set_tag()
interconnect: qcom: Fix icc_onecell_data allocation
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This API is unsafe to use under the RCU lock. With no in-tree users
remaining, remove it to prevent future bugs.
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
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Commit 5c089fd0c734 ("idr: Fix idr_get_next race with idr_remove")
neglected to fix idr_get_next_ul(). As far as I can tell, nobody's
actually using this interface under the RCU read lock, but fix it now
before anybody decides to use it.
Fixes: 5c089fd0c734 ("idr: Fix idr_get_next race with idr_remove")
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
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Pull networking fixes from David Miller:
1) Fix free/alloc races in batmanadv, from Sven Eckelmann.
2) Several leaks and other fixes in kTLS support of mlx5 driver, from
Tariq Toukan.
3) BPF devmap_hash cost calculation can overflow on 32-bit, from Toke
Høiland-Jørgensen.
4) Add an r8152 device ID, from Kazutoshi Noguchi.
5) Missing include in ipv6's addrconf.c, from Ben Dooks.
6) Use siphash in flow dissector, from Eric Dumazet. Attackers can
easily infer the 32-bit secret otherwise etc.
7) Several netdevice nesting depth fixes from Taehee Yoo.
8) Fix several KCSAN reported errors, from Eric Dumazet. For example,
when doing lockless skb_queue_empty() checks, and accessing
sk_napi_id/sk_incoming_cpu lockless as well.
9) Fix jumbo packet handling in RXRPC, from David Howells.
10) Bump SOMAXCONN and tcp_max_syn_backlog values, from Eric Dumazet.
11) Fix DMA synchronization in gve driver, from Yangchun Fu.
12) Several bpf offload fixes, from Jakub Kicinski.
13) Fix sk_page_frag() recursion during memory reclaim, from Tejun Heo.
14) Fix ping latency during high traffic rates in hisilicon driver, from
Jiangfent Xiao.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (146 commits)
net: fix installing orphaned programs
net: cls_bpf: fix NULL deref on offload filter removal
selftests: bpf: Skip write only files in debugfs
selftests: net: reuseport_dualstack: fix uninitalized parameter
r8169: fix wrong PHY ID issue with RTL8168dp
net: dsa: bcm_sf2: Fix IMP setup for port different than 8
net: phylink: Fix phylink_dbg() macro
gve: Fixes DMA synchronization.
inet: stop leaking jiffies on the wire
ixgbe: Remove duplicate clear_bit() call
Documentation: networking: device drivers: Remove stray asterisks
e1000: fix memory leaks
i40e: Fix receive buffer starvation for AF_XDP
igb: Fix constant media auto sense switching when no cable is connected
net: ethernet: arc: add the missed clk_disable_unprepare
igb: Enable media autosense for the i350.
igb/igc: Don't warn on fatal read failures when the device is removed
tcp: increase tcp_max_syn_backlog max value
net: increase SOMAXCONN to 4096
netdevsim: Fix use-after-free during device dismantle
...
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Pull NFS client bugfixes from Anna Schumaker:
"This contains two delegation fixes (with the RCU lock leak fix marked
for stable), and three patches to fix destroying the the sunrpc back
channel.
Stable bugfixes:
- Fix an RCU lock leak in nfs4_refresh_delegation_stateid()
Other fixes:
- The TCP back channel mustn't disappear while requests are
outstanding
- The RDMA back channel mustn't disappear while requests are
outstanding
- Destroy the back channel when we destroy the host transport
- Don't allow a cached open with a revoked delegation"
* tag 'nfs-for-5.4-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Fix an RCU lock leak in nfs4_refresh_delegation_stateid()
NFSv4: Don't allow a cached open with a revoked delegation
SUNRPC: Destroy the back channel when we destroy the host transport
SUNRPC: The RDMA back channel mustn't disappear while requests are outstanding
SUNRPC: The TCP back channel mustn't disappear while requests are outstanding
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