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syzbot reported the following warning triggered via SYSC_sched_setattr():
WARNING: CPU: 0 PID: 6973 at kernel/sched/deadline.c:593 setup_new_dl_entity /kernel/sched/deadline.c:594 [inline]
WARNING: CPU: 0 PID: 6973 at kernel/sched/deadline.c:593 enqueue_dl_entity /kernel/sched/deadline.c:1370 [inline]
WARNING: CPU: 0 PID: 6973 at kernel/sched/deadline.c:593 enqueue_task_dl+0x1c17/0x2ba0 /kernel/sched/deadline.c:1441
This happens because the ->dl_boosted flag is currently not initialized by
__dl_clear_params() (unlike the other flags) and setup_new_dl_entity()
rightfully complains about it.
Initialize dl_boosted to 0.
Fixes: 2d3d891d3344 ("sched/deadline: Add SCHED_DEADLINE inheritance logic")
Reported-by: syzbot+5ac8bac25f95e8b221e7@syzkaller.appspotmail.com
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Daniel Wagner <dwagner@suse.de>
Link: https://lkml.kernel.org/r/20200617072919.818409-1-juri.lelli@redhat.com
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fix mask corruption
This function is concerned with the long-term CPU mask, not the
transitory mask the task might have while migrate disabled. Before
this patch, if a task was migrate-disabled at the time
__set_cpus_allowed_ptr() was called, and the new mask happened to be
equal to the CPU that the task was running on, then the mask update
would be lost.
Signed-off-by: Scott Wood <swood@redhat.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200617121742.cpxppyi7twxmpin7@linutronix.de
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As a temporary build fix, the proper cleanup needs more work.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Eric Biggers <ebiggers@kernel.org>
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Suggested-by: Kees Cook <keescook@chromium.org>
Fixes: a148866489fb ("sched: Replace rq::wake_list")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.8:
- Fix LDO1 and LDO2 voltage range for a couple of i.MX8M board device
trees.
- Fix i.MX8MP UID fuse offset in i.MX8M SoC driver.
- Fix watchdog configuration in imx6ul-kontron device tree.
- Fix one build warning seen on building soc-imx8m driver with
x86_64-randconfig.
- Add missing put_device() call for a couple of mach-imx PM functions.
* tag 'imx-fixes-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx8m: fix build warning
ARM: imx6: add missing put_device() call in imx6q_suspend_init()
ARM: imx5: add missing put_device() call in imx_suspend_alloc_ocram()
soc: imx8m: Correct i.MX8MP UID fuse offset
ARM: dts: imx6ul-kontron: Change WDOG_ANY signal from push-pull to open-drain
ARM: dts: imx6ul-kontron: Move watchdog from Kontron i.MX6UL/ULL board to SoM
arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2
arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2 voltage range
arm64: dts: imx8mm-evk: correct ldo1/ldo2 voltage range
Link: https://lore.kernel.org/r/20200624111725.GA24312@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers fixes
for 5.8, please pull the following:
- Andy provides a fix for the Raspberry Pi firmware driver to print the
correct time upon boot. This is a fallout from a converstion to use
the ptT format
* tag 'arm-soc/for-5.8/drivers-fixes' of https://github.com/Broadcom/stblinux:
ARM: bcm2835: Fix integer overflow in rpi_firmware_print_firmware_revision()
Link: https://lore.kernel.org/r/20200619202250.19029-2-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs machine/Kconfig fixes
for 5.8, please pull the following:
- Matthew adds a missing select to permit the use of the standard ARM
SP804 timers on Norsthstar Plus (NSP)
* tag 'arm-soc/for-5.8/soc-fixes' of https://github.com/Broadcom/stblinux:
ARM: bcm: Select ARM_TIMER_SP804 for ARCH_BCM_NSP
Link: https://lore.kernel.org/r/20200619202250.19029-3-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.8, please pull the following:
- Rafal adds a missing 'device_type' property to the Luxul XWC-2000
required for the memory nodes to be correctly parsed by Linux
- Matthew provides two fixes for the NSP SoCs, one to disable the PL330
DMA controller by default since it can be left in reset by the
bootloader and the second to correct the flow accelerator mailbox node
* tag 'arm-soc/for-5.8/devicetree-fixes' of https://github.com/Broadcom/stblinux:
ARM: dts: NSP: Correct FA2 mailbox node
ARM: dts: NSP: Disable PL330 by default, add dma-coherent property
ARM: dts: BCM5301X: Add missing memory "device_type" for Luxul XWC-2000
Link: https://lore.kernel.org/r/20200619202250.19029-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This reverts commit 7b8e0188fa717cd9abc4fb52587445b421835c2a.
Initially, STiH410-B2260 was supposed to be secured, that's why
l2c_write_sec was stubbed to avoid secure register access from
non secure world.
But by default, STiH410-B2260 is running in non secure mode,
so L2 cache register accesses are authorized, l2c_write_sec stub
is not needed.
With this patch, L2 cache is configured and performance are enhanced.
Link: https://lore.kernel.org/r/20200618172456.29475-1-patrice.chotard@st.com
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Cc: Alain Volmat <alain.volmat@st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/omap-fixes
Few dts fixes for omaps for v5.8
Few fixes for various devices:
- Prevent pocketgeagle header line signal from accidentally setting
micro-SD write protection signal by removing the default mux
- Fix NFSroot flakeyness after resume for duover by switching the
smsc911x gpio interrupt to back to level sensitive
- Fix regression for omap4 clockevent source after recent system
timer changes
- Yet another ethernet regression fix for the "rgmii" vs "rgmii-rxid"
phy-mode
* tag 'omap-for-v5.8/fixes-rc1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am5729: beaglebone-ai: fix rgmii phy-mode
ARM: dts: Fix omap4 system timer source clocks
ARM: dts: Fix duovero smsc interrupt for suspend
ARM: dts: am335x-pocketbeagle: Fix mmc0 Write Protect
Link: https://lore.kernel.org/r/pull-1592499282-121092@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/omap-fixes
Missed sdhci patch for am3 and am4
I forgot to send a pull request earlier for converting am3 and am4 to
use sdhci-omap driver instead of the old omap_hsmmc driver.
There was a display subsystem related suspend and resume regression found
recently and looks like I forgot to send a pull request for this patch
while debugging the regression. This patch has been tested without the
display subsystem, and has been in Linux next for several weeks now, so
would be good to have merged for v5.8.
* tag 'omap-for-v5.8/dt-missed-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Move am33xx and am43xx mmc nodes to sdhci-omap driver
Link: https://lore.kernel.org/r/pull-1591637467-607254@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
Change the TEE mailing list in MAINTAINERS
* tag 'tee-ml-for-v5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee:
MAINTAINERS: change tee mailing list
Link: https://lore.kernel.org/r/20200616075948.GA2288211@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.8
The recent display subsystem (DSS) related platform data changes caused
display related regressions for suspend and resume. Looks like I only
tested suspend and resume before dropping the legacy platform data, and
forgot to test it after dropping it. Turns out the main issue was that
we no longer have platform code calling pm_runtime_suspend for DSS like
we did for the legacy platform data case, and that fix is still being
discussed on the dri-devel list and will get merged separately. The DSS
related testing exposed a pile other other display related issues that
also need fixing though:
- Fix ti-sysc optional clock handling and reset status checks
for devices that reset automatically in idle like DSS
- Ignore ti-sysc clockactivity bit unless separately requested
to avoid unexpected performance issues
- Init ti-sysc framedonetv_irq to true and disable for am4
- Avoid duplicate DSS reset for legacy mode with dts data
- Remove LCD timings for am4 as they cause warnings now that we're
using generic panels
Then there is a pile of other fixes not related to the DSS:
- Fix omap_prm reset deassert as we still have drivers setting the
pm_runtime_irq_safe() flag
- Flush posted write for ti-sysc enable and disable
- Fix droid4 spi related errors with spi flags
- Fix am335x USB range and a typo for softreset
- Fix dra7 timer nodes for clocks for IPU and DSP
- Drop duplicate mailboxes after mismerge for dra7
* tag 'omap-for-v5.8/fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
Revert "bus: ti-sysc: Increase max softreset wait"
ARM: dts: am437x-epos-evm: remove lcd timings
ARM: dts: am437x-gp-evm: remove lcd timings
ARM: dts: am437x-sk-evm: remove lcd timings
ARM: dts: dra7-evm-common: Fix duplicate mailbox nodes
ARM: dts: dra7: Fix timer nodes properly for timer_sys_ck clocks
ARM: dts: Fix am33xx.dtsi ti,sysc-mask wrong softreset flag
ARM: dts: Fix am33xx.dtsi USB ranges length
bus: ti-sysc: Increase max softreset wait
ARM: OMAP2+: Fix legacy mode dss_reset
bus: ti-sysc: Fix uninitialized framedonetv_irq
bus: ti-sysc: Ignore clockactivity unless specified as a quirk
bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit
ARM: dts: omap4-droid4: Fix spi configuration and increase rate
bus: ti-sysc: Flush posted write on enable and disable
soc: ti: omap-prm: use atomic iopoll instead of sleeping one
Link: https://lore.kernel.org/r/pull-1591889257-410830@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The cell name stored in the afs_cell struct is a 64-char + NUL buffer -
when it needs to be able to handle up to AFS_MAXCELLNAME (256 chars) + NUL.
Fix this by changing the array to a pointer and allocating the string.
Found using Coverity.
Fixes: 989782dcdc91 ("afs: Overhaul cell database management")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit cd238effefa2 ("docs: kbuild: convert docs to ReST and rename to
*.rst") missed a ReST header and a verbatim file content area.
Signed-off-by: Dov Murik <dovmurik@linux.vnet.ibm.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Fix typos "plgins" -> "plugins".
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
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Pull cifs fixes from Steve French:
"Six cifs/smb3 fixes, three of them for stable.
Fixes xfstests 451, 313 and 316"
* tag '5.8-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: misc: Use array_size() in if-statement controlling expression
cifs: update ctime and mtime during truncate
cifs/smb3: Fix data inconsistent when punch hole
cifs/smb3: Fix data inconsistent when zero file range
cifs: Fix double add page to memcg when cifs_readpages
cifs: Fix cached_fid refcnt leak in open_shroot
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six small fixes, five in drivers and one to correct another minor
regression from cc97923a5bcc ("block: move dma drain handling to
scsi") where we still need the drain stub to be built in to the kernel
for the modular libata, non-modular SAS driver case"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mptscsih: Fix read sense data size
scsi: zfcp: Fix panic on ERP timeout for previously dismissed ERP action
scsi: lpfc: Avoid another null dereference in lpfc_sli4_hba_unset()
scsi: libata: Fix the ata_scsi_dma_need_drain stub
scsi: qla2xxx: Keep initiator ports after RSCN
scsi: qla2xxx: Set NVMe status code for failed NVMe FCP request
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Pull VFIO fixes from Alex Williamson:
- Fix double free of eventfd ctx (Alex Williamson)
- Fix duplicate use of capability ID (Alex Williamson)
- Fix SR-IOV VF memory enable handling (Alex Williamson)
* tag 'vfio-v5.8-rc3' of git://github.com/awilliam/linux-vfio:
vfio/pci: Fix SR-IOV VF handling with MMIO blocking
vfio/type1: Fix migration info capability ID
vfio/pci: Clear error and request eventfd ctx after releasing
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"This contains a 5.8 regression fix for the Designware driver, a
register bitfield fix for the fsi driver, and a missing sanity check
for the I2C core"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: core: check returned size of emulated smbus block read
i2c: fsi: Fix the port number field in status register
i2c: designware: Adjust bus speed independently of ACPI
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a small number of tiny staging driver fixes for 5.8-rc3.
Not much here, but there were some reported problems to be fixed:
- three wfx driver fixes
- rtl8723bs driver fix
All of these have been in linux-next with no reported issues"
* tag 'staging-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
Staging: rtl8723bs: prevent buffer overflow in update_sta_support_rate()
staging: wfx: fix coherency of hif_scan() prototype
staging: wfx: drop useless loop
staging: wfx: fix AC priority
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.8-rc3 to resolve some reported
issues.
Nothing major here:
- gadget driver fixes
- cdns3 driver fixes
- xhci fixes
- renesas_usbhs driver fixes
- some new device support with ids
- documentation update
All of these have been in linux-next with no reported issues"
* tag 'usb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (27 commits)
usb: renesas_usbhs: getting residue from callback_result
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
xhci: Poll for U0 after disabling USB2 LPM
xhci: Return if xHCI doesn't support LPM
usb: host: xhci-mtk: avoid runtime suspend when removing hcd
xhci: Fix enumeration issue when setting max packet size for FS devices.
xhci: Fix incorrect EP_STATE_MASK
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
usb: gadget: udc: Potential Oops in error handling code
usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
usb: typec: tcpci_rt1711h: avoid screaming irq causing boot hangs
USB: ohci-sm501: Add missed iounmap() in remove
cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Some tiny char/misc driver fixes for 5.8-rc3.
The "largest" changes are in the mei driver, to resolve some reported
problems and add some new device ids. There's also a binder bugfix, an
fpga driver build fix, and some assorted habanalabs fixes.
All of these, except for the habanalabs fixes, have been in linux-next
with no reported issues. The habanalabs driver changes showed up in my
tree on Friday, but as they are totally self-contained, all should be
good there"
* tag 'char-misc-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
habanalabs: increase h/w timer when checking idle
habanalabs: Correct handling when failing to enqueue CB
habanalabs: increase GAUDI QMAN ARB WDT timeout
habanalabs: rename mmu_write() to mmu_asid_va_write()
habanalabs: use PI in MMU cache invalidation
habanalabs: block scalar load_and_exe on external queue
mei: me: add tiger lake point device ids for H platforms.
mei: me: disable mei interface on Mehlow server platforms
binder: fix null deref of proc->context
fpga: zynqmp: fix modular build
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"A single fix for amd64_edac restoring the reporting of the DRAM scrub
rate on family 0x15 CPUs"
* tag 'edac_urgent_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Read back the scrub rate PCI register on F15h
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Pull dma-mapping fixes from Christoph Hellwig:
- fix dma coherent mmap in nommu (me)
- more AMD SEV fallout (David Rientjes, me)
- fix alignment in dma_common_*_remap (Eric Auger)
* tag 'dma-mapping-5.8-4' of git://git.infradead.org/users/hch/dma-mapping:
dma-remap: align the size in dma_common_*_remap()
dma-mapping: DMA_COHERENT_POOL should select GENERIC_ALLOCATOR
dma-direct: add missing set_memory_decrypted() for coherent mapping
dma-direct: check return value when encrypting or decrypting memory
dma-direct: re-encrypt memory if dma_direct_alloc_pages() fails
dma-direct: always align allocation size in dma_direct_alloc_pages()
dma-direct: mark __dma_direct_alloc_pages static
dma-direct: re-enable mmap for !CONFIG_MMU
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Pull NFS client bugfixes from Anna Schumaker:
"Stable Fixes:
- xprtrdma: Fix handling of RDMA_ERROR replies
- sunrpc: Fix rollback in rpc_gssd_dummy_populate()
- pNFS/flexfiles: Fix list corruption if the mirror count changes
- NFSv4: Fix CLOSE not waiting for direct IO completion
- SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
Other Fixes:
- xprtrdma: Fix a use-after-free with r_xprt->rx_ep
- Fix other xprtrdma races during disconnect
- NFS: Fix memory leak of export_path"
* tag 'nfs-for-5.8-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
NFSv4 fix CLOSE not waiting for direct IO compeletion
pNFS/flexfiles: Fix list corruption if the mirror count changes
nfs: Fix memory leak of export_path
sunrpc: fixed rollback in rpc_gssd_dummy_populate()
xprtrdma: Fix handling of RDMA_ERROR replies
xprtrdma: Clean up disconnect
xprtrdma: Clean up synopsis of rpcrdma_flush_disconnect()
xprtrdma: Use re_connect_status safely in rpcrdma_xprt_connect()
xprtrdma: Prevent dereferencing r_xprt->rx_ep after it is freed
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Pull io_uring fixes from Jens Axboe:
"Three small fixes:
- Close a corner case for polled IO resubmission (Pavel)
- Toss commands when exiting (Pavel)
- Fix SQPOLL conditional reschedule on perpetually busy submit
(Xuan)"
* tag 'io_uring-5.8-2020-06-26' of git://git.kernel.dk/linux-block:
io_uring: fix current->mm NULL dereference on exit
io_uring: fix hanging iopoll in case of -EAGAIN
io_uring: fix io_sq_thread no schedule when busy
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Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph:
- multipath deadlock fixes (Anton)
- NUMA fixes (Max)
- RDMA completion vector fix (Max)
- IO deadlock fix (Sagi)
- multipath reference fix (Sagi)
- NS mutation fix (Sagi)
- Use right allocator when freeing bip in error path (Chengguang)
* tag 'block-5.8-2020-06-26' of git://git.kernel.dk/linux-block:
nvme-multipath: fix bogus request queue reference put
nvme-multipath: fix deadlock due to head->lock
nvme: don't protect ns mutation with ns->head->lock
nvme-multipath: fix deadlock between ana_work and scan_work
nvme: fix possible deadlock when I/O is blocked
nvme-rdma: assign completion vector correctly
nvme-loop: initialize tagset numa value to the value of the ctrl
nvme-tcp: initialize tagset numa value to the value of the ctrl
nvme-pci: initialize tagset numa value to the value of the ctrl
nvme-pci: override the value of the controller's numa node
nvme: set initial value for controller's numa node
block: release bip in a right way in error path
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Quite a few DM zoned target fixes and a Zone append fix in DM core.
Considering the amount of dm-zoned changes that went in during the
5.8 merge window these fixes are not that surprising.
- A few DM writecache target fixes.
- A fix to Documentation index to include DM ebs target docs.
- Small cleanup to use struct_size() in DM core's retrieve_deps().
* tag 'for-5.8/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm writecache: add cond_resched to loop in persistent_memory_claim()
dm zoned: Fix reclaim zone selection
dm zoned: Fix random zone reclaim selection
dm: update original bio sector on Zone Append
dm zoned: Fix metadata zone size check
docs: device-mapper: add dm-ebs.rst to an index file
dm ioctl: use struct_size() helper in retrieve_deps()
dm writecache: skip writecache_wait when using pmem mode
dm writecache: correct uncommitted_block when discarding uncommitted entry
dm zoned: assign max_io_len correctly
dm zoned: fix uninitialized pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb fixes from Daniel Thompson:
"The main change here is a fix for a number of unsafe interactions
between kdb and the console system. The fixes are specific to kdb
(pure kgdb debugging does not use the console system at all). On
systems with an NMI then kdb, if it is enabled, must get messages to
the user despite potentially running from some "difficult" calling
contexts. These fixes avoid using the console system where we have
been provided an alternative (safer) way to interact with the user
and, if using the console system in unavoidable, use oops_in_progress
for deadlock avoidance. These fixes also ensure kdb honours the
console enable flag.
Also included is a fix that wraps kgdb trap handling in an RCU read
lock to avoids triggering diagnostic warnings. This is a wide lock
scope but this is OK because kgdb is a stop-the-world debugger. When
we stop the world we put all the CPUs into holding pens and this
inhibits RCU update anyway"
* tag 'kgdb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kgdb: Avoid suspicious RCU usage warning
kdb: Switch to use safer dbg_io_ops over console APIs
kdb: Make kdb_printf() console handling more robust
kdb: Check status of console prior to invoking handlers
kdb: Re-factor kdb_printf() message write code
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- A fix for a crash in nested KVM when CONFIG_DEBUG_VIRTUAL=y.
- Two minor build fixes.
Thanks to: Aneesh Kumar K.V, Arseny Solokha, Harish.
* tag 'powerpc-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix build failure in ebb tests
powerpc/kvm/book3s64: Fix kernel crash with nested kvm & DEBUG_VIRTUAL
powerpc/fsl_booke/32: Fix build with CONFIG_RANDOMIZE_BASE
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of fixes I'd like to target for rc3.
Most of them fix issues with the conversion of our vDSO to C. There is
also one fix to the SiFive PRCI driver that I picked up as it's
causing boot issues on the hardware.
- A fix to allow kernels with dynamic ftrace to use the vDSO.
- Some build fixes for the C vDSO functions.
- A fix to the PRCI driver's memory allocation, which was the cause
of some boot panics with FREELIST_RANDOM"
* tag 'riscv-for-linus-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fixup __vdso_gettimeofday broke dynamic ftrace
riscv: Add extern declarations for vDSO time-related functions
clk: sifive: allocate sufficient memory for struct __prci_data
riscv: Add -fPIC option to CFLAGS_vgettimeofday.o
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The big fix here is to our vDSO sigreturn trampoline as, after a
painfully long stint of debugging, it turned out that fixing some of
our CFI directives in the merge window lit up a bunch of logic in
libgcc which has been shown to SEGV in some cases during asynchronous
pthread cancellation.
It looks like we can fix this by extending the directives to restore
most of the interrupted register state from the sigcontext, but it's
risky and hard to test so we opted to remove the CFI directives for
now and rely on the unwinder fallback path like we used to.
- Fix unwinding through vDSO sigreturn trampoline
- Fix build warnings by raising minimum LD version for PAC
- Whitelist some Kryo Cortex-A55 derivatives for Meltdown and SSB
- Fix perf register PC reporting for compat tasks
- Fix 'make clean' warning for arm64 signal selftests
- Fix ftrace when BTI is compiled in
- Avoid building the compat vDSO using GCC plugins"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add KRYO{3,4}XX silver CPU cores to SSB safelist
arm64: perf: Report the PC value in REGS_ABI_32 mode
kselftest: arm64: Remove redundant clean target
arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist
arm64: Don't insert a BTI instruction at inner labels
arm64: vdso: Don't use gcc plugins for building vgettimeofday.c
arm64: vdso: Only pass --no-eh-frame-hdr when linker supports it
arm64: Depend on newer binutils when building PAC
arm64: compat: Remove 32-bit sigreturn code from the vDSO
arm64: compat: Always use sigpage for sigreturn trampoline
arm64: compat: Allow 32-bit vdso and sigpage to co-exist
arm64: vdso: Disable dwarf unwinding through the sigreturn trampoline
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The mpt fusion driver still uses the legacy PCI DMA API which hardcodes
atomic allocations. This caused the driver to fail to load on some powerpc
VMs with incoherent DMA and small memory sizes. Switch to use the modern
DMA API and sleeping allocations for large allocations instead. This is
not a full cleanup of the PCI DMA API usage yet, but just enough to fix the
regression caused by reducing the default atomic pool size.
Link: https://lore.kernel.org/r/20200624165724.1818496-1-hch@lst.de
Fixes: 3ee06a6d532f ("dma-pool: fix too large DMA pools on medium memory size systems")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When an rport event (RPORT_EV_READY) is updated without work being queued,
avoid taking an additional reference.
This issue was leading to memory leak. Trace from KMEMLEAK tool:
unreferenced object 0xffff8888259e8780 (size 512):
comm "kworker/2:1", jiffies 4433237386 (age 113021.971s)
hex dump (first 32 bytes):
58 0a ec cf 83 88 ff ff 00 00 00 00 00 00 00 00
01 00 00 00 08 00 00 00 13 7d f0 1e 0e 00 00 10
backtrace:
[<000000006b25760f>] fc_rport_recv_req+0x3c6/0x18f0 [libfc]
[<00000000f208d994>] fc_lport_recv_els_req+0x120/0x8a0 [libfc]
[<00000000a9c437b8>] fc_lport_recv+0xb9/0x130 [libfc]
[<00000000a9c437b8>] fc_lport_recv+0xb9/0x130 [libfc]
[<00000000ad5be37b>] qedf_ll2_process_skb+0x73d/0xad0 [qedf]
[<00000000e0eb6893>] process_one_work+0x382/0x6c0
[<000000002dfd9e21>] worker_thread+0x57/0x5c0
[<00000000b648204f>] kthread+0x1a0/0x1c0
[<0000000072f5ab20>] ret_from_fork+0x35/0x40
[<000000001d5c05d8>] 0xffffffffffffffff
Below is the log sequence which leads to memory leak. Here we get the
RPORT_EV_READY and RPORT_EV_STOP back to back, which lead to overwrite the
event RPORT_EV_READY by event RPORT_EV_STOP. Because of this, kref_count
gets incremented by 1.
kernel: host0: rport fffce5: Received PLOGI request
kernel: host0: rport fffce5: Received PLOGI in INIT state
kernel: host0: rport fffce5: Port is Ready
kernel: host0: rport fffce5: Received PRLI request while in state Ready
kernel: host0: rport fffce5: PRLI rspp type 8 active 1 passive 0
kernel: host0: rport fffce5: Received LOGO request while in state Ready
kernel: host0: rport fffce5: Delete port
kernel: host0: rport fffce5: Received PLOGI request
kernel: host0: rport fffce5: Received PLOGI in state Delete - send busy
kernel: host0: rport fffce5: work event 3
kernel: host0: rport fffce5: lld callback ev 3
kernel: host0: rport fffce5: work delete
Link: https://lore.kernel.org/r/20200626094959.32151-1-jhasan@marvell.com
Reviewed-by: Girish Basrur <gbasrur@marvell.com>
Reviewed-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Handling of extra kref which is done by lookup table in case rdata is
already present in list.
This issue was leading to memory leak. Trace from KMEMLEAK tool:
unreferenced object 0xffff8888259e8780 (size 512):
comm "kworker/2:1", pid 182614, jiffies 4433237386 (age 113021.971s)
hex dump (first 32 bytes):
58 0a ec cf 83 88 ff ff 00 00 00 00 00 00 00 00
01 00 00 00 08 00 00 00 13 7d f0 1e 0e 00 00 10
backtrace:
[<000000006b25760f>] fc_rport_recv_req+0x3c6/0x18f0 [libfc]
[<00000000f208d994>] fc_lport_recv_els_req+0x120/0x8a0 [libfc]
[<00000000a9c437b8>] fc_lport_recv+0xb9/0x130 [libfc]
[<00000000ad5be37b>] qedf_ll2_process_skb+0x73d/0xad0 [qedf]
[<00000000e0eb6893>] process_one_work+0x382/0x6c0
[<000000002dfd9e21>] worker_thread+0x57/0x5c0
[<00000000b648204f>] kthread+0x1a0/0x1c0
[<0000000072f5ab20>] ret_from_fork+0x35/0x40
[<000000001d5c05d8>] 0xffffffffffffffff
Below is the log sequence which leads to memory leak. Here we get the
nested "Received PLOGI request" for same port and this request leads to
call the fc_rport_create() twice for the same rport.
kernel: host1: rport fffce5: Received PLOGI request
kernel: host1: rport fffce5: Received PLOGI in INIT state
kernel: host1: rport fffce5: Port is Ready
kernel: host1: rport fffce5: Received PRLI request while in state Ready
kernel: host1: rport fffce5: PRLI rspp type 8 active 1 passive 0
kernel: host1: rport fffce5: Received LOGO request while in state Ready
kernel: host1: rport fffce5: Delete port
kernel: host1: rport fffce5: Received PLOGI request
kernel: host1: rport fffce5: Received PLOGI in state Delete - send busy
Link: https://lore.kernel.org/r/20200622101212.3922-2-jhasan@marvell.com
Reviewed-by: Girish Basrur <gbasrur@marvell.com>
Reviewed-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This code doesn't make sense unless the correct "fcport" was found.
Link: https://lore.kernel.org/r/20200619143041.GD267142@mwanda
Fixes: 9dd9686b1419 ("scsi: qla2xxx: Add changes for devloss timeout in driver")
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
ARMv8 Juno/Vexpress/Fast Models fix for v5.8
Partial revert of some recent fixes to silence DTC warning which broke
clocks on some Vexpress platforms resulting in boot issues.
* tag 'juno-fix-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm: dts: vexpress: Move mcc node back into motherboard node
Link: https://lore.kernel.org/r/20200609180447.GB5732@bogus
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add an FAQ entry to the KUnit documentation with some tips for
troubleshooting KUnit and kunit_tool.
These suggestions largely came from an email thread:
https://lore.kernel.org/linux-kselftest/41db8bbd-3ba0-8bde-7352-083bf4b947ff@intel.com/T/#m23213d4e156db6d59b0b460a9014950f5ff6eb03
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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When separating out different phases of running tests[1]
(build/exec/parse/etc), the format of the KunitResult tuple changed
(adding an elapsed_time variable). This is not populated during a build
failure, causing kunit.py to crash.
This fixes [1] to probably populate the result variable, causing a
failing build to be reported properly.
[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=45ba7a893ad89114e773b3dc32f6431354c465d6
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Currently, if the kernel is configured incorrectly or if it crashes before any
kunit tests are run, kunit finishes without error, reporting
that 0 test cases were run.
To fix this, an error is shown when the tap header is not found, which
indicates that kunit was not able to run at all.
Signed-off-by: Uriel Guajardo <urielguajardo@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Commit 8b59cd81dc5e ("kbuild: ensure full rebuild when the compiler is
updated") introduced a new CONFIG option CONFIG_CC_VERSION_TEXT. On my
system, this is set to "gcc (GCC) 10.1.0" which breaks KUnit config
parsing which did not like the spaces in the string.
Fix this by updating the regex to allow strings containing spaces.
Fixes: 8b59cd81dc5e ("kbuild: ensure full rebuild when the compiler is updated")
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Prevent bypassing kernel lockdown via the ACPI tables loading
interface (Jason A. Donenfeld) and fix the handling of an ACPI sysfs
attribute (Nathan Chancellor)"
* tag 'acpi-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: sysfs: Fix pm_profile_attr type
ACPI: configfs: Disallow loading ACPI tables when locked down
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a recent regression that broke suspend-to-idle on some x86
systems, fix the intel_pstate driver to correctly let the platform
firmware control CPU performance in some cases and add __init
annotations to a couple of functions.
Specifics:
- Make sure that the _TIF_POLLING_NRFLAG is clear before entering the
last phase of suspend-to-idle to avoid wakeup issues on some x86
systems (Chen Yu, Rafael Wysocki).
- Cover one more case in which the intel_pstate driver should let the
platform firmware control the CPU frequency and refuse to load
(Srinivas Pandruvada).
- Add __init annotations to 2 functions in the power management core
(Christophe JAILLET)"
* tag 'pm-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: sleep: core: mark 2 functions as __init to save some memory
cpufreq: intel_pstate: Add one more OOB control bit
PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"A couple of Intel VT-d fixes:
- Make Intel SVM code 64bit only. The code uses pgd_t* and the IOMMU
only supports long-mode page-table formats, so its broken on 32bit
anyway.
- Make sure GFX quirks in for Intel VT-d are not applied to untrusted
devices. Those devices might gain full memory access otherwise.
- Identity mapping setup fix.
- Fix ACS enabling when Intel IOMMU is off and untrusted devices are
detected.
- Two smaller fixes for coherency and IO page-table setup"
* tag 'iommu-fixes-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Fix misuse of iommu_domain_identity_map()
iommu/vt-d: Update scalable mode paging structure coherency
iommu/vt-d: Enable PCI ACS for platform opt in hint
iommu/vt-d: Don't apply gfx quirks to untrusted devices
iommu/vt-d: Set U/S bit in first level page table by default
iommu/vt-d: Make Intel SVM code 64-bit only
|
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Pull drm fixes from Dave Airlie:
"Usual rc3 pickup, lots of little fixes all over.
The core VT registration regression fix is probably the largest,
otherwise ttm, amdgpu and tegra are the bulk, with some minor driver
fixes.
No i915 pull this week which may or may not mean I get 2x of it next
week, we'll see how it goes.
core:
- fix VT registration regression
ttm:
- fix two fence leaks
amdgpu:
- Fix missed mutex unlock in DC error path
- Fix firmware leak for sdma5
- DC bpc property fixes
amdkfd:
- Fix memleak in an error path
radeon:
- Fix copy paste typo in NI DPM spll validation
rcar-du:
- build fix
tegra:
- add missing zpos property
- child driver registeration fix
- debugfs cleanup fix
- doc fix
mcde:
- reorder fbdev setup
panel:
- fix connector type
- fix orienation for some panels
sun4i:
- fix dma/iommu configuration
uvesafb:
- respect blank flag"
* tag 'drm-fixes-2020-06-26' of git://anongit.freedesktop.org/drm/drm: (25 commits)
drm/amd: fix potential memleak in err branch
drm/amd/display: Fix ineffective setting of max bpc property
drm/amd/display: Enable output_bpc property on all outputs
drm/amdgpu: add fw release for sdma v5_0
drm/fb-helper: Fix vt restore
drm/radeon: fix fb_div check in ni_init_smc_spll_table()
drm/amdgpu/display: Unlock mutex on error
drm/sun4i: mixer: Call of_dma_configure if there's an IOMMU
drm: panel-orientation-quirks: Use generic orientation-data for Acer S1003
drm: panel-orientation-quirks: Add quirk for Asus T101HA panel
video: fbdev: uvesafb: fix "noblank" option handling
drm/panel-simple: fix connector type for newhaven_nhd_43_480272ef_atxl
drm/panel-simple: fix connector type for LogicPD Type28 Display
drm: rcar-du: Fix build error
drm: mcde: Fix forgotten user of drm->dev_private
drm: mcde: Fix display initialization problem
drm/tegra: Add zpos property for cursor planes
gpu: host1x: Detach driver on unregister
gpu: host1x: Correct trivial kernel-doc inconsistencies
drm/tegra: hub: Register child devices
...
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Merge misx fixes from Andrew Morton:
"31 patches.
Subsystems affected by this patch series: hotfixes, mm/pagealloc,
kexec, ocfs2, lib, mm/slab, mm/slab, mm/slub, mm/swap, mm/pagemap,
mm/vmalloc, mm/memcg, mm/gup, mm/thp, mm/vmscan, x86,
mm/memory-hotplug, MAINTAINERS"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (31 commits)
MAINTAINERS: update info for sparse
mm/memory_hotplug.c: fix false softlockup during pfn range removal
mm: remove vmalloc_exec
arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page
x86/hyperv: allocate the hypercall page with only read and execute bits
mm/memory: fix IO cost for anonymous page
mm/swap: fix for "mm: workingset: age nonresident information alongside anonymous pages"
mm: workingset: age nonresident information alongside anonymous pages
doc: THP CoW fault no longer allocate THP
docs: mm/gup: minor documentation update
mm/memcontrol.c: prevent missed memory.low load tears
mm/memcontrol.c: add missed css_put()
mm: memcontrol: handle div0 crash race condition in memory.low
mm/vmalloc.c: fix a warning while make xmldocs
media: omap3isp: remove cacheflush.h
make asm-generic/cacheflush.h more standalone
mm/debug_vm_pgtable: fix build failure with powerpc 8xx
mm/memory.c: properly pte_offset_map_lock/unlock in vm_insert_pages()
mm: fix swap cache node allocation mask
slub: cure list_slab_objects() from double fix
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
FPGA Manager fixes for 5.8-rc1
Here is one (late) fix for 5.8-rc1 merge window.
Arnd's change addresses a missing build dependency.
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my fixes branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: zynqmp: fix modular build
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git://people.freedesktop.org/~gabbayo/linux into char-misc-linus
Oded writes:
This tag contains the following fixes for kernel 5.8-rc2:
- close security hole in GAUDI command buffer parsing by blocking an
instruction that might allow user to run command buffer that wasn't
parsed on a secured engine.
- Fix bug in GAUDI MMU cache invalidation code.
- Rename a function to resolve conflict with a static inline function in
arch/m68k/include/asm/mcfmmu.h
- Increase watchdog timeout of GAUDI QMAN arbitration H/W to prevent false
reports on timeouts
- Fix bug of dereferencing NULL pointer when an error occurs during command
submission
- Increase H/W timer for checking if PDMA engine is IDLE in GAUDI.
* tag 'misc-habanalabs-fixes-2020-06-24' of git://people.freedesktop.org/~gabbayo/linux:
habanalabs: increase h/w timer when checking idle
habanalabs: Correct handling when failing to enqueue CB
habanalabs: increase GAUDI QMAN ARB WDT timeout
habanalabs: rename mmu_write() to mmu_asid_va_write()
habanalabs: use PI in MMU cache invalidation
habanalabs: block scalar load_and_exe on external queue
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v5.8-rc2
A revert of Exynos5422 suspend clock support, it turns out it wasn't
ready to be merged. CDNS3 got a fix for test mode initialization.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'fixes-for-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
usb: gadget: udc: Potential Oops in error handling code
usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
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* pm-cpufreq:
cpufreq: intel_pstate: Add one more OOB control bit
* pm-cpuidle:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle
|
