The space allowed for new attributes can be too small if existing header
information is large. That can happen, for example, if there are very
many CPUs, due to having an event ID per CPU per event being stored in the
header information.
Fix by adding the existing header.data_offset. Also increase the extra
space allowed to 8KiB and align to a 4KiB boundary for neatness.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20211125071457.2066863-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This: This reverts commit 92723ea0f1.
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRRRRRR FAILED!
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRRRRRR FAILED!
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRRRRR FAILED!
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRRRRRRRRRRR Ok
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRR FAILED!
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRRRR Ok
# perf test 91
91: perf stat --bpf-counters test :RRRRRRRRRRRRRRR Ok
yep, it seems the perf bench is broken so the counts won't correlated if
I revert this one:
92723ea0f1 perf bench: Fix two memory leaks detected with ASan
it works for me again.. it seems to break -t option
[root@dell-r440-01 perf]# ./perf bench sched messaging -g 1 -l 100 -t
# Running 'sched/messaging' benchmark:
RRRperf: CLIENT: ready write: Bad file descriptor
Rperf: SENDER: write: Bad file descriptor
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/lkml/YZev7KClb%2Fud43Lc@krava/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
While preparing my patch series adding netns refcount tracking,
I spotted bugs in devlink_nl_cmd_reload()
Some error paths forgot to release a refcount on a netns.
To fix this, we can reduce the scope of get_net()/put_net()
section around the call to devlink_reload().
Fixes: ccdf07219d ("devlink: Add reload action option to devlink reload command")
Fixes: dc64cc7c63 ("devlink: Add devlink reload limit option")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Moshe Shemesh <moshe@mellanox.com>
Cc: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20211205192822.1741045-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is a short period between a net device starts to be unregistered
and when it is actually gone. In that time frame ethtool operations
could still be performed, which might end up in unwanted or undefined
behaviours[1].
Do not allow ethtool operations after a net device starts its
unregistration. This patch targets the netlink part as the ioctl one
isn't affected: the reference to the net device is taken and the
operation is executed within an rtnl lock section and the net device
won't be found after unregister.
[1] For example adding Tx queues after unregister ends up in NULL
pointer exceptions and UaFs, such as:
BUG: KASAN: use-after-free in kobject_get+0x14/0x90
Read of size 1 at addr ffff88801961248c by task ethtool/755
CPU: 0 PID: 755 Comm: ethtool Not tainted 5.15.0-rc6+ #778
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/014
Call Trace:
dump_stack_lvl+0x57/0x72
print_address_description.constprop.0+0x1f/0x140
kasan_report.cold+0x7f/0x11b
kobject_get+0x14/0x90
kobject_add_internal+0x3d1/0x450
kobject_init_and_add+0xba/0xf0
netdev_queue_update_kobjects+0xcf/0x200
netif_set_real_num_tx_queues+0xb4/0x310
veth_set_channels+0x1c3/0x550
ethnl_set_channels+0x524/0x610
Fixes: 041b1c5d4a ("ethtool: helper functions for netlink interface")
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20211203101318.435618-1-atenart@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Andreas reported that a specific build environment for an external
module, being a bit broken, does pass CC_IMPLICIT_FALLTHROUGH quoted as
argument to gcc, causing an error
gcc-11: error: "-Wimplicit-fallthrough=5": linker input file not found: No such file or directory
Until this is more generally fixed as outlined in [1], by fixing
scripts/link-vmlinux.sh, scripts/gen_autoksyms.sh, etc to not directly
include the include/config/auto.conf, and in a second step, change
Kconfig to generate the auto.conf without "", workaround the issue by
explicitly unquoting CC_IMPLICIT_FALLTHROUGH.
Reported-by: Andreas Beckmann <anbe@debian.org>
Link: https://bugs.debian.org/1001083
Link: https://lore.kernel.org/linux-kbuild/CAK7LNAR-VXwHFEJqCcrFDZj+_4+Xd6oynbj_0eS8N504_ydmyw@mail.gmail.com/ [1]
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Without this change eMMC runs at overclocked freq.
Swap the ops to not OC the eMMC.
Signed-off-by: Martin Botka <martin.botka@somainline.org>
Link: https://lore.kernel.org/r/20211130212015.25232-1-martin.botka@somainline.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Fixes: 4b8d6ae57c ("clk: qcom: Add SM6125 (TRINKET) GCC driver")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use the ti,watchdog-timeout-ms property instead of the unsupported
ti,watchdog-timer property to make the example validate correctly.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20211206152905.226239-1-thierry.reding@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
The "interrupts" property in the example looks weird:
- The type is not in the last cell,
- Level interrupts don't work well with gpio-keys, as they keep the
interrupt asserted as long as the key is pressed, causing an
interrupt storm.
Use a more realistic falling-edge interrupt instead.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/47ecd2d8efcf09f8ab47de87a7bcfafc82208776.1638538079.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
This binding was already documented in phy.txt, commit 252ae5330d
("Documentation: devicetree: Add PHY no lane swap binding"), but got
accidently removed during YAML conversion in commit d8704342c1
("dt-bindings: net: Add a YAML schemas for the generic PHY options").
Note: 'enet-phy-lane-no-swap' and the absence of 'enet-phy-lane-swap' are
not identical, as the former one disable this feature, while the latter
one doesn't change anything.
Fixes: d8704342c1 ("dt-bindings: net: Add a YAML schemas for the generic PHY options")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20211130082756.713919-1-alexander.stein@ew.tq-group.com
Signed-off-by: Rob Herring <robh@kernel.org>
v1.0 of the ReadTheDocs theme.
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Merge tag 'docs-5.16-3' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A few important documentation fixes, including breakage that comes
with v1.0 of the ReadTheDocs theme"
* tag 'docs-5.16-3' of git://git.lwn.net/linux:
Documentation: Add minimum pahole version
Documentation/process: fix self reference
docs: admin-guide/blockdev: Remove digraph of node-states
docs: conf.py: fix support for Readthedocs v 1.0.0
Just one trivial update adding a device ID to the DT bindings.
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Merge tag 'spi-fix-v5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"Just one trivial update adding a device ID to the DT bindings"
* tag 'spi-fix-v5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-rockchip: Add rk3568-spi compatible
A fix for bitrot in the documentation for protection interrupts that
crept in as the code was revised during review.
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Merge tag 'regulator-fix-v5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"Documentation fix for v5.17.
A fix for bitrot in the documentation for protection interrupts that
crept in as the code was revised during review"
* tag 'regulator-fix-v5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Update protection IRQ helper docs
Ensure that the EFI memory map resides in encrypted memory even after it
has been reallocated.
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Merge tag 'efi-urgent-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"Ensure that the EFI memory map resides in encrypted memory even after
it has been reallocated"
* tag 'efi-urgent-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/sme: Explicitly map new EFI memmap table as encrypted
There's a small race here where the task_work could finish and drop
the worker itself, so that by the time that task_work_add() returns
with a successful addition we've already put the worker.
The worker callbacks clear this bit themselves, so we don't actually
need to manually clear it in the caller. Get rid of it.
Reported-by: syzbot+b60c982cb0efc5e05a47@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently, NOMMU pull km allocator via !SMP dependency because most of
them are UP, yet for SMP+NOMMU vm allocator gets pulled which:
* may lead to broken build [1]
* ...or not working runtime due to [2]
It looks like SMP+NOMMU case was overlooked in bbddff0545 ("percpu:
use percpu allocator on UP too") so restore that.
[1]
For ARM SMP+NOMMU (R-class cores)
arm-none-linux-gnueabihf-ld: mm/percpu.o: in function `pcpu_post_unmap_tlb_flush':
mm/percpu-vm.c:188: undefined reference to `flush_tlb_kernel_range'
[2]
static inline
int vmap_pages_range_noflush(unsigned long addr, unsigned long end,
pgprot_t prot, struct page **pages, unsigned int page_shift)
{
return -EINVAL;
}
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Tested-by: Rob Landley <rob@landley.net>
Tested-by: Rich Felker <dalias@libc.org>
[Dennis: use depends instead of default for condition]
Signed-off-by: Dennis Zhou <dennis@kernel.org>
When trying to dump VFs VSI RX/TX descriptors
using debugfs there was a crash
due to NULL pointer dereference in i40e_dbg_dump_desc.
Added a check to i40e_dbg_dump_desc that checks if
VSI type is correct for dumping RX/TX descriptors.
Fixes: 02e9c29081 ("i40e: debugfs interface")
Signed-off-by: Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>
Signed-off-by: Norbert Zulinski <norbertx.zulinski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
After setting pre-set combined to 16 queues and reserving 16 queues by
tc qdisc, pre-set maximum combined queues returned to default value
after VF reset being 4 and this generated errors during removing tc.
Fixed by removing clear num_req_queues before reset VF.
Fixes: e284fc2804 (i40e: Add and delete cloud filter)
Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Bindushree P <Bindushree.p@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fix failed operation code appearing if handling messages from VF.
Implemented by waiting for VF appropriate state if request starts
handle while VF reset.
Without this patch the message handling request while VF is in
a reset state ends with error -5 (I40E_ERR_PARAM).
Fixes: 5c3c48ac6b ("i40e: implement virtual device interface")
Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: Karen Sornek <karen.sornek@intel.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
iavf_set_ringparams doesn't communicate to the user that
1. The user requested descriptor count is out of range. Instead it
just quietly sets descriptors to the "clamped" value and calls it
done. This makes it look an invalid value was successfully set as
the descriptor count when this isn't actually true.
2. The user provided descriptor count needs to be inflated for alignment
reasons.
This behavior is confusing. The ice driver has already addressed this
by rejecting invalid values for descriptor count and
messaging for alignment adjustments.
Do the same thing here by adding the error and info messages.
Fixes: fbb7ddfef2 ("i40evf: core ethtool functionality")
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Michal Maloszewski <michal.maloszewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
A relatively large collection of updates, the size is increased quite a
bit by there being some repetitive changes for similar issues that occur
multiple times with both notifying control value changes and runtime PM.
The Rockchip update looks at first glance like a cleanup but fixes
instantiation of the hardware on some systems.
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Merge tag 'asoc-fix-v5.16-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.16
A relatively large collection of updates, the size is increased quite a
bit by there being some repetitive changes for similar issues that occur
multiple times with both notifying control value changes and runtime PM.
The Rockchip update looks at first glance like a cleanup but fixes
instantiation of the hardware on some systems.
Olivia Mackintosh has posted to alsa-devel reporting that
there's a potential bug that could break mixer quirks for Pioneer
devices introduced by 6d27788160
"ALSA: usb-audio: Add support for the Pioneer DJM 750MK2
Mixer/Soundcard".
This happened because the DJM 750 MK2 was added last to the Pioneer DJM
device table index and defined as 0x4 but was added to snd_djm_devices[]
just after the DJM 750 (MK1) entry instead of last, after the DJM 900
NXS2. This escaped review.
To prevent that from ever happening again, Takashi Iwai suggested to use
C99 array designators in snd_djm_devices[] instead of simply reordering
the entries.
Fixes: 6d27788160 ("ALSA: usb-audio: Add support for the Pioneer DJM 750MK2")
Reported-by: Olivia Mackintosh <livvy@base.nu>
Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Geraldo Nascimento <geraldogabriel@gmail.com>
Link: https://lore.kernel.org/r/Yau46FDzoql0SNnW@geday
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The write pointer in NVMe ZNS is invalid for a zone in zone state full.
The same also holds true for ZAC/ZBC.
The current behavior for NVMe is to simply propagate the wp reported by
the drive, even for full zones. Since the wp is invalid for a full zone,
the wp reported by the drive may be any value.
The way that the sd_zbc driver handles a full zone is to always report
the wp as zone start + zone len, regardless of what the drive reported.
null_blk also follows this convention.
Do the same for NVMe, so that a BLKREPORTZONE ioctl reports the write
pointer for a full zone in a consistent way, regardless of the interface
of the underlying zoned block device.
blkzone report before patch:
start: 0x000040000, len 0x040000, cap 0x03e000, wptr 0xfffffffffffbfff8
reset:0 non-seq:0, zcond:14(fu) [type: 2(SEQ_WRITE_REQUIRED)]
blkzone report after patch:
start: 0x000040000, len 0x040000, cap 0x03e000, wptr 0x040000 reset:0
non-seq:0, zcond:14(fu) [type: 2(SEQ_WRITE_REQUIRED)]
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
The only fabrics target that supports metadata handling through the
separate integrity buffer is RDMA. It is currently usable only if the
size is 8B per block and formatted for protection information. If an
rdma target were to export a namespace with a different format (ex:
4k+64B), the driver will not be able to submit valid read/write commands
for that namespace.
Suppress setting the metadata feature in the namespace so that the
gendisk capacity will be set to 0. This will prevent read/write access
through the block stack, but will continue to allow ioctl passthrough
commands.
Cc: Max Gurtovoy <mgurtovoy@nvidia.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
The driver assigned nvme handle isn't persistent across reboots, so is
not enough information to match up where the collisions are occuring.
Add the subsys nqn string to the output so that it can more easily be
identified later.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215099
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
ATA IDENTIFY command returns an array of le16 words. Accessing it as a
u16 array triggers the following sparse warning:
drivers/ata/ahci_ceva.c:107:33: warning: invalid assignment: &=
drivers/ata/ahci_ceva.c:107:33: left side has type unsigned short
drivers/ata/ahci_ceva.c:107:33: right side has type restricted __le16
Use a local variable to explicitly cast the id array to __le16 to avoid
this warning.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Some bug and warning fixes:
- Fix "make install" to use debians "installkernel" script which is now in /usr/sbin
- Fix the bindeb-pkg make target by giving the correct KBUILD_IMAGE file name
- Fix compiler warnings by annotating parisc agp init functions with __init
- Fix timekeeping on SMP machines with dual-core CPUs
- Enable some more config options in the 64-bit defconfig
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Merge tag 'for-5.16/parisc-6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"Some bug and warning fixes:
- Fix "make install" to use debians "installkernel" script which is
now in /usr/sbin
- Fix the bindeb-pkg make target by giving the correct KBUILD_IMAGE
file name
- Fix compiler warnings by annotating parisc agp init functions with
__init
- Fix timekeeping on SMP machines with dual-core CPUs
- Enable some more config options in the 64-bit defconfig"
* tag 'for-5.16/parisc-6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Mark cr16 CPU clocksource unstable on all SMP machines
parisc: Fix "make install" on newer debian releases
parisc/agp: Annotate parisc agp init functions with __init
parisc: Enable sata sil, audit and usb support on 64-bit defconfig
parisc: Fix KBUILD_IMAGE for self-extracting kernel
Here are some small USB fixes for a few reported issues. Included in
here are:
- xhci fix for a _much_ reported regression. I don't think
there's a community distro that has not reported this problem
yet :(
- new USB quirk addition
- cdns3 minor fixes
- typec regression fix.
All of these have been in linux-next with no reported problems, and the
xhci fix has been reported by many to resolve their reported problem.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for a few reported issues. Included in
here are:
- xhci fix for a _much_ reported regression. I don't think there's a
community distro that has not reported this problem yet :(
- new USB quirk addition
- cdns3 minor fixes
- typec regression fix.
All of these have been in linux-next with no reported problems, and
the xhci fix has been reported by many to resolve their reported
problem"
* tag 'usb-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdnsp: Fix a NULL pointer dereference in cdnsp_endpoint_init()
usb: cdns3: gadget: fix new urb never complete if ep cancel previous requests
usb: typec: tcpm: Wait in SNK_DEBOUNCED until disconnect
USB: NO_LPM quirk Lenovo Powered USB-C Travel Hub
xhci: Fix commad ring abort, write all 64 bits to CRCR register.
Here are some small TTY and Serial driver fixes for 5.16-rc4 to resolve
a number of reported problems.
They include:
- liteuart serial driver fixes
- 8250_pci serial driver fixes for pericom devices
- 8250 RTS line control fix while in RS-485 mode
- tegra serial driver fix
- msm_serial driver fix
- pl011 serial driver new id
- fsl_lpuart revert of broken change
- 8250_bcm7271 serial driver fix
- MAINTAINERS file update for rpmsg tty driver that came in
5.16-rc1
- vgacon fix for reported problem
All of these, except for the 8250_bcm7271 fix have been in linux-next
with no reported problem. The 8250_bcm7271 fix was added to the tree on
Friday so no chance to be linux-next yet. But it should be fine as the
affected developers submitted it.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small TTY and Serial driver fixes for 5.16-rc4 to
resolve a number of reported problems.
They include:
- liteuart serial driver fixes
- 8250_pci serial driver fixes for pericom devices
- 8250 RTS line control fix while in RS-485 mode
- tegra serial driver fix
- msm_serial driver fix
- pl011 serial driver new id
- fsl_lpuart revert of broken change
- 8250_bcm7271 serial driver fix
- MAINTAINERS file update for rpmsg tty driver that came in 5.16-rc1
- vgacon fix for reported problem
All of these, except for the 8250_bcm7271 fix have been in linux-next
with no reported problem. The 8250_bcm7271 fix was added to the tree
on Friday so no chance to be linux-next yet. But it should be fine as
the affected developers submitted it"
* tag 'tty-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_bcm7271: UART errors after resuming from S2
serial: 8250_pci: rewrite pericom_do_set_divisor()
serial: 8250_pci: Fix ACCES entries in pci_serial_quirks array
serial: 8250: Fix RTS modem control while in rs485 mode
Revert "tty: serial: fsl_lpuart: drop earlycon entry for i.MX8QXP"
serial: tegra: Change lower tolerance baud rate limit for tegra20 and tegra30
serial: liteuart: relax compile-test dependencies
serial: liteuart: fix minor-number leak on probe errors
serial: liteuart: fix use-after-free and memleak on unbind
serial: liteuart: Fix NULL pointer dereference in ->remove()
vgacon: Propagate console boot parameters before calling `vc_resize'
tty: serial: msm_serial: Deactivate RX DMA for polling support
serial: pl011: Add ACPI SBSA UART match id
serial: core: fix transmit-buffer reset and memleak
MAINTAINERS: Add rpmsg tty driver maintainer
mode runs for prolonged periods with interrupts disabled and ends up
programming the next tick in the past, leading to that storm
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Merge tag 'timers_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Prevent a tick storm when a dedicated timekeeper CPU in nohz_full
mode runs for prolonged periods with interrupts disabled and ends up
programming the next tick in the past, leading to that storm
* tag 'timers_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers/nohz: Last resort update jiffies on nohz_full IRQ entry
- Fix preempt= callback return values
- Correct utime/stime resource usage reporting on nohz_full to return
the proper times instead of shorter ones
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Merge tag 'sched_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Properly init uclamp_flags of a runqueue, on first enqueuing
- Fix preempt= callback return values
- Correct utime/stime resource usage reporting on nohz_full to return
the proper times instead of shorter ones
* tag 'sched_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/uclamp: Fix rq->uclamp_max not set on first enqueue
preempt/dynamic: Fix setup_preempt_mode() return value
sched/cputime: Fix getrusage(RUSAGE_THREAD) with nohz_full
- Use the proper operand types in __{get,put}_user() to prevent
truncation in SEV-ES string io
- Make sure the kernel mappings are present in trampoline_pgd in order
to prevent any potential accesses to unmapped memory after switching to
it
- Fix a trivial list corruption in objtool's pv_ops validation
- Disable the clocksource watchdog for TSC on platforms which claim
that the TSC is constant, doesn't stop in sleep states, CPU has TSC
adjust and the number of sockets of the platform are max 2, to prevent
erroneous markings of the TSC as unstable.
- Make sure TSC adjust is always checked not only when going idle
- Prevent a stack leak by initializing struct _fpx_sw_bytes properly in
the FPU code
- Fix INTEL_FAM6_RAPTORLAKE define naming to adhere to the convention
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Merge tag 'x86_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix a couple of SWAPGS fencing issues in the x86 entry code
- Use the proper operand types in __{get,put}_user() to prevent
truncation in SEV-ES string io
- Make sure the kernel mappings are present in trampoline_pgd in order
to prevent any potential accesses to unmapped memory after switching
to it
- Fix a trivial list corruption in objtool's pv_ops validation
- Disable the clocksource watchdog for TSC on platforms which claim
that the TSC is constant, doesn't stop in sleep states, CPU has TSC
adjust and the number of sockets of the platform are max 2, to
prevent erroneous markings of the TSC as unstable.
- Make sure TSC adjust is always checked not only when going idle
- Prevent a stack leak by initializing struct _fpx_sw_bytes properly in
the FPU code
- Fix INTEL_FAM6_RAPTORLAKE define naming to adhere to the convention
* tag 'x86_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen: Add xenpv_restore_regs_and_return_to_usermode()
x86/entry: Use the correct fence macro after swapgs in kernel CR3
x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry()
x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword
x86/64/mm: Map all kernel memory into trampoline_pgd
objtool: Fix pv_ops noinstr validation
x86/tsc: Disable clocksource watchdog for TSC on qualified platorms
x86/tsc: Add a timer to make sure TSC_adjust is always checked
x86/fpu/signal: Initialize sw_bytes in save_xstate_epilog()
x86/cpu: Drop spurious underscore from RAPTOR_LAKE #define
* New SEV-ES protocol for communicating invalid VMGEXIT requests
* Ensure APICv is considered inactive if there is no APIC
* Fix reserved bits for AMD PerfEvtSeln register
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more kvm fixes from Paolo Bonzini:
- Static analysis fix
- New SEV-ES protocol for communicating invalid VMGEXIT requests
- Ensure APICv is considered inactive if there is no APIC
- Fix reserved bits for AMD PerfEvtSeln register
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Do not terminate SEV-ES guests on GHCB validation failure
KVM: SEV: Fall back to vmalloc for SEV-ES scratch area if necessary
KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails
KVM: x86/mmu: Retry page fault if root is invalidated by memslot update
KVM: VMX: Set failure code in prepare_vmcs02()
KVM: ensure APICv is considered inactive if there is no APIC
KVM: x86/pmu: Fix reserved bits for AMD PerfEvtSeln register
Reserving memory using efi_mem_reserve() calls into the x86
efi_arch_mem_reserve() function. This function will insert a new EFI
memory descriptor into the EFI memory map representing the area of
memory to be reserved and marking it as EFI runtime memory. As part
of adding this new entry, a new EFI memory map is allocated and mapped.
The mapping is where a problem can occur. This new memory map is mapped
using early_memremap() and generally mapped encrypted, unless the new
memory for the mapping happens to come from an area of memory that is
marked as EFI_BOOT_SERVICES_DATA memory. In this case, the new memory will
be mapped unencrypted. However, during replacement of the old memory map,
efi_mem_type() is disabled, so the new memory map will now be long-term
mapped encrypted (in efi.memmap), resulting in the map containing invalid
data and causing the kernel boot to crash.
Since it is known that the area will be mapped encrypted going forward,
explicitly map the new memory map as encrypted using early_memremap_prot().
Cc: <stable@vger.kernel.org> # 4.14.x
Fixes: 8f716c9b5f ("x86/mm: Add support to access boot related data in the clear")
Link: https://lore.kernel.org/all/ebf1eb2940405438a09d51d121ec0d02c8755558.1634752931.git.thomas.lendacky@amd.com/
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
[ardb: incorporate Kconfig fix by Arnd]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
The return value of dma_set_coherent_mask() is not always 0.
To catch the exception in case that dma is not support the mask.
Fixes: 0a0c3b5a24 ("Add new uio device for dynamic memory allocation")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20211204000326.1592687-1-jiasheng@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently, an SEV-ES guest is terminated if the validation of the VMGEXIT
exit code or exit parameters fails.
The VMGEXIT instruction can be issued from userspace, even though
userspace (likely) can't update the GHCB. To prevent userspace from being
able to kill the guest, return an error through the GHCB when validation
fails rather than terminating the guest. For cases where the GHCB can't be
updated (e.g. the GHCB can't be mapped, etc.), just return back to the
guest.
The new error codes are documented in the lasest update to the GHCB
specification.
Fixes: 291bd20d5d ("KVM: SVM: Add initial support for a VMGEXIT VMEXIT")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <b57280b5562893e2616257ac9c2d4525a9aeeb42.1638471124.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Use kvzalloc() to allocate KVM's buffer for SEV-ES's GHCB scratch area so
that KVM falls back to __vmalloc() if physically contiguous memory isn't
available. The buffer is purely a KVM software construct, i.e. there's
no need for it to be physically contiguous.
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211109222350.2266045-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Return appropriate error codes if setting up the GHCB scratch area for an
SEV-ES guest fails. In particular, returning -EINVAL instead of -ENOMEM
when allocating the kernel buffer could be confusing as userspace would
likely suspect a guest issue.
Fixes: 8f423a80d2 ("KVM: SVM: Support MMIO for an SEV-ES guest")
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211109222350.2266045-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge tag '5.16-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Three SMB3 multichannel/fscache fixes and a DFS fix.
In testing multichannel reconnect scenarios recently various problems
with the cifs.ko implementation of fscache were found (e.g. incorrect
initialization of fscache cookies in some cases)"
* tag '5.16-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: avoid use of dstaddr as key for fscache client cookie
cifs: add server conn_id to fscache client cookie
cifs: wait for tcon resource_id before getting fscache super
cifs: fix missed refcounting of ipc tcon
In commit c8c3735997 ("parisc: Enhance detection of synchronous cr16
clocksources") I assumed that CPUs on the same physical core are syncronous.
While booting up the kernel on two different C8000 machines, one with a
dual-core PA8800 and one with a dual-core PA8900 CPU, this turned out to be
wrong. The symptom was that I saw a jump in the internal clocks printed to the
syslog and strange overall behaviour. On machines which have 4 cores (2
dual-cores) the problem isn't visible, because the current logic already marked
the cr16 clocksource unstable in this case.
This patch now marks the cr16 interval timers unstable if we have more than one
CPU in the system, and it fixes this issue.
Fixes: c8c3735997 ("parisc: Enhance detection of synchronous cr16 clocksources")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v5.15+
On newer debian releases the debian-provided "installkernel" script is
installed in /usr/sbin. Fix the kernel install.sh script to look for the
script in this directory as well.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v3.13+
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Merge tag 'block-5.16-2021-12-03' of git://git.kernel.dk/linux-block
Pull block fix from Jens Axboe:
"A single fix for repeated printk spam from loop"
* tag 'block-5.16-2021-12-03' of git://git.kernel.dk/linux-block:
loop: Use pr_warn_once() for loop_control_remove() warning
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Merge tag 'io_uring-5.16-2021-12-03' of git://git.kernel.dk/linux-block
Pull io_uring fix from Jens Axboe:
"Just a single fix preventing repeated retries of task_work based io-wq
thread creation, fixing a regression from when io-wq was made more (a
bit too much) resilient against signals"
* tag 'io_uring-5.16-2021-12-03' of git://git.kernel.dk/linux-block:
io-wq: don't retry task_work creation failure on fatal conditions
two patches, both in drivers. One is a fix to FC recovery (lpfc) and
the other is an enhancement to support the Intel Alder Motherboard
with the UFS driver which comes under the -rc exception process for
hardware enabling.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two patches, both in drivers.
One is a fix to FC recovery (lpfc) and the other is an enhancement to
support the Intel Alder Motherboard with the UFS driver which comes
under the -rc exception process for hardware enabling"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: ufs-pci: Add support for Intel ADL
scsi: lpfc: Fix non-recovery of remote ports following an unsolicited LOGO
* Since commit 486408d690 ("gfs2: Cancel remote delete work
asynchronously"), inode create and lookup-by-number can overlap more
easily and we can end up with temporary duplicate inodes. Fix the
code to prevent that.
* Fix a BUG demoting weak glock holders from a remote node.
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Merge tag 'gfs2-v5.16-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fixes from Andreas Gruenbacher:
- Since commit 486408d690 ("gfs2: Cancel remote delete work
asynchronously"), inode create and lookup-by-number can overlap more
easily and we can end up with temporary duplicate inodes. Fix the
code to prevent that.
- Fix a BUG demoting weak glock holders from a remote node.
* tag 'gfs2-v5.16-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: gfs2_create_inode rework
gfs2: gfs2_inode_lookup rework
gfs2: gfs2_inode_lookup cleanup
gfs2: Fix remote demote of weak glock holders
