Here are some small char and misc and other driver subsystem fixes for
5.9-rc3.
The majority of these are tiny habanalabs driver fixes, but also in here
are:
- speakup build fixes now that it is out of staging and got
exposed to more build systems all of a sudden
- mei driver fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc and other driver subsystem fixes for
5.9-rc3.
The majority of these are tiny habanalabs driver fixes, but also in
here are:
- speakup build fixes now that it is out of staging and got exposed
to more build systems all of a sudden
- mei driver fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
habanalabs: correctly report inbound pci region cfg error
habanalabs: check correct vmalloc return code
habanalabs: validate FW file size
habanalabs: fix incorrect check on failed workqueue create
habanalabs: set max power according to card type
habanalabs: proper handling of alloc size in coresight
habanalabs: set clock gating according to mask
habanalabs: verify user input in cs_ioctl_signal_wait
habanalabs: Fix a loop in gaudi_extract_ecc_info()
habanalabs: Fix memory corruption in debugfs
habanalabs: validate packet id during CB parse
habanalabs: Validate user address before mapping
habanalabs: unmap PCI bars upon iATU failure
mei: hdcp: fix mei_hdcp_verify_mprime() input parameter
speakup: only build serialio when ISA is enabled
speakup: Fix wait_for_xmitr for ttyio case
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Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
"Two patches from Vineeth to improve Hyper-V timesync facility"
* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hv_utils: drain the timesync packets on onchannelcallback
hv_utils: return error if host timesysnc update is stale
A couple vdpa and vhost bugfixes
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio bugfixes from Michael Tsirkin:
"A couple vdpa and vhost bugfixes"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Avoid warnings about shifts on 32-bit platforms
vhost-iotlb: fix vhost_iotlb_itree_next() documentation
vdpa: ifcvf: free config irq in ifcvf_free_irq()
vdpa: ifcvf: return err when fail to request config irq
Clang warns several times when building for 32-bit ARM along the lines
of:
drivers/vdpa/mlx5/net/mlx5_vnet.c:1462:31: warning: shift count >= width
of type [-Wshift-count-overflow]
ndev->mvdev.mlx_features |= BIT(VIRTIO_F_VERSION_1);
^~~~~~~~~~~~~~~~~~~~~~~
This is related to the BIT macro, which uses an unsigned long literal,
which is 32-bit on ARM so having a shift equal to or larger than 32 will
cause this warning, such as the above, where VIRTIO_F_VERSION_1 is 32.
To avoid this, use BIT_ULL, which will be an unsigned long long. This
matches the size of the features field throughout this driver, which is
u64 so there should be no functional change.
Fixes: 1a86b377aa ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Link: https://github.com/ClangBuiltLinux/linux/issues/1140
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200821225018.940798-1-natechancellor@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Acked-by: Eli Cohen <elic@nvidia.com>
This patch contains trivial changes for the vhost_iotlb_itree_next()
documentation, fixing the function name and the description of
first argument (@map).
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20200825130543.43308-1-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We don't free config irq in ifcvf_free_irq() which will trigger a
BUG() in pci core since we try to free the vectors that has an
action. Fixing this by recording the config irq in ifcvf_hw structure
and free it in ifcvf_free_irq().
Fixes: e7991f376a ("ifcvf: implement config interrupt in IFCVF")
Cc: Zhu Lingshan <lingshan.zhu@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200723091254.20617-2-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Zhu Lingshan <lingshan.zhu@intel.com>
Fixes: e7991f376a ("ifcvf: implement config interrupt in IFCVF")
Cc: Zhu Lingshan <a class="moz-txt-link-rfc2396E" href="mailto:lingshan.zhu@intel.com"><lingshan.zhu@intel.com></a>
Signed-off-by: Jason Wang <a class="moz-txt-link-rfc2396E" href="mailto:jasowang@redhat.com"><jasowang@redhat.com></a>
- Eliminate an oops introduced in v5.8
- Remove a duplicate #include added by nfsd-5.9
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Merge tag 'nfsd-5.9-1' of git://git.linux-nfs.org/projects/cel/cel-2.6
Pull nfs server fixes from Chuck Lever:
- Eliminate an oops introduced in v5.8
- Remove a duplicate #include added by nfsd-5.9
* tag 'nfsd-5.9-1' of git://git.linux-nfs.org/projects/cel/cel-2.6:
SUNRPC: remove duplicate include
nfsd: fix oops on mixed NFSv4/NFSv3 client access
Fixes include:
. revert binfmt_flat data offset removal
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Merge tag 'm68knommu-for-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu fix from Greg Ungerer:
"Only a single fix for the binfmt_flat loader (reverting a recent
change)"
* tag 'm68knommu-for-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
binfmt_flat: revert "binfmt_flat: don't offset the data start"
Fix an out-of-bounds access introduced in libnvdimm v5.9-rc1
dax: do not print error message for non-persistent memory block device
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Merge tag 'libnvdimm-fix-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Vishal Verma:
"A couple of minor fixes for things merged in 5.9-rc1.
One is an out-of-bounds access caught by KASAN, and the second is a
tweak to some overzealous logging about dax support even for
traditional block devices which was unnecessary"
* tag 'libnvdimm-fix-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: do not print error message for non-persistent memory block device
libnvdimm: KASAN: global-out-of-bounds Read in internal_create_group
Pull HID fixes from Jiri Kosina:
- regression fix / revert of a commit that intended to reduce probing
delay by ~50ms, but introduced a race that causes quite a few devices
not to enumerate, or get stuck on first IRQ
- buffer overflow fix in hiddev, from Peilin Ye
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
Revert "HID: usbhid: do not sleep when opening device"
HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
HID: quirks: Always poll three more Lenovo PixArt mice
HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
HID: macally: Constify macally_id_table
HID: cougar: Constify cougar_id_table
The following build error for powerpc64 was reported by Nathan Chancellor:
"$ scripts/config --file arch/powerpc/configs/powernv_defconfig -e KERNEL_XZ
$ make -skj"$(nproc)" ARCH=powerpc CROSS_COMPILE=powerpc64le-linux- distclean powernv_defconfig zImage
...
In file included from arch/powerpc/boot/../../../lib/decompress_unxz.c:234,
from arch/powerpc/boot/decompress.c:38:
arch/powerpc/boot/../../../lib/xz/xz_dec_stream.c: In function 'dec_main':
arch/powerpc/boot/../../../lib/xz/xz_dec_stream.c:586:4: error: 'fallthrough' undeclared (first use in this function)
586 | fallthrough;
| ^~~~~~~~~~~
This will end up affecting distribution configurations such as Debian
and OpenSUSE according to my testing. I am not sure what the solution
is, the PowerPC wrapper does not set -D__KERNEL__ so I am not sure
that compiler_attributes.h can be safely included."
In order to avoid these sort of problems, it seems that the best
solution is to use /* fall through */ comments instead of the
fallthrough pseudo-keyword macro in lib/, for now.
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Fixes: df561f6688 ("treewide: Use fallthrough pseudo-keyword")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-and-tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'for-5.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix swapfile activation on subvolumes with deleted snapshots
- error value mixup when removing directory entries from tree log
- fix lzo compression level reset after previous level setting
- fix space cache memory leak after transaction abort
- fix const function attribute
- more error handling improvements
* tag 'for-5.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: detect nocow for swap after snapshot delete
btrfs: check the right error variable in btrfs_del_dir_entries_in_log
btrfs: fix space cache memory leak after transaction abort
btrfs: use the correct const function attribute for btrfs_get_num_csums
btrfs: reset compression level for lzo on remount
btrfs: handle errors from async submission
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Merge tag 'io_uring-5.9-2020-08-23' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Sagi:
- nvme completion rework from Christoph and Chao that mostly came
from a bit of divergence of how we classify errors related to
pathing/retry etc.
- nvmet passthru fixes from Chaitanya
- minor nvmet fixes from Amit and I
- mpath round-robin path selection fix from Martin
- ignore noiob for zoned devices from Keith
- minor nvme-fc fix from Tianjia"
- BFQ cgroup leak fix (Dmitry)
- block layer MAINTAINERS addition (Geert)
- fix null_blk FUA checking (Hou)
- get_max_io_size() size fix (Keith)
- fix block page_is_mergeable() for compound pages (Matthew)
- discard granularity fixes (Ming)
- IO scheduler ordering fix (Ming)
- misc fixes
* tag 'io_uring-5.9-2020-08-23' of git://git.kernel.dk/linux-block: (31 commits)
null_blk: fix passing of REQ_FUA flag in null_handle_rq
nvmet: Disable keep-alive timer when kato is cleared to 0h
nvme: redirect commands on dying queue
nvme: just check the status code type in nvme_is_path_error
nvme: refactor command completion
nvme: rename and document nvme_end_request
nvme: skip noiob for zoned devices
nvme-pci: fix PRP pool size
nvme-pci: Use u32 for nvme_dev.q_depth and nvme_queue.q_depth
nvme: Use spin_lock_irq() when taking the ctrl->lock
nvmet: call blk_mq_free_request() directly
nvmet: fix oops in pt cmd execution
nvmet: add ns tear down label for pt-cmd handling
nvme: multipath: round-robin: eliminate "fallback" variable
nvme: multipath: round-robin: fix single non-optimized path case
nvme-fc: Fix wrong return value in __nvme_fc_init_request()
nvmet-passthru: Reject commands with non-sgl flags set
nvmet: fix a memory leak
blkcg: fix memleak for iolatency
MAINTAINERS: Add missing header files to BLOCK LAYER section
...
Hi Linus,
Please, pull the following tree-wide patch that replaces tons (2484) of
/* fall through */ comments, and its variants, with the new pseudo-keyword
macro fallthrough[1]. Also, remove unnecessary fall-through markings when
it is the case.
There are currently 1167 intances of this fallthrough pseudo-keyword
macro in mainline (5.9-rc2), that have been introduced over the last
couple of development cycles:
$ git grep -nw 'fallthrough;' | wc -l
1167
The global adoption of the fallthrough pseudo-keyword is something certain
to happen; so, better sooner than later. :) This will also save everybody's
time and thousands of lines of unnecessarily repetitive changelog text.
After applying this patch on top of 5.9-rc2, we'll have a total of 3651
instances of this macro:
$ git grep -nw 'fallthrough;' | wc -l
3651
This treewide patch doesn't address ALL fall-through markings in all
subsystems at once because I have previously sent out patches for some of
such subsystems separately, and I will follow up on them; however, this
definitely contributes most of the work needed to replace all the
fall-through markings with the fallthrough pseudo-keyword macro in the
whole codebase.
I have build-tested this patch on 10 different architectures: x86_64, i386,
arm64, powerpc, s390, sparc64, sh, m68k, powerpc64 and alpha (allyesconfig
for all of them). This is in linux-next already and kernel test robot has
also helped me to successfully build-test early versions of this
patch[2][3][4][5].
Thanks
--
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
[2] https://lore.kernel.org/lkml/5f3cc99a.HgvOW3rH0mD0RmkM%25lkp@intel.com/
[3] https://lore.kernel.org/lkml/5f3dd1d2.l1axczH+t4hMBZ63%25lkp@intel.com/
[4] https://lore.kernel.org/lkml/5f3e977a.mwYHUIObbR4SHr0B%25lkp@intel.com/
[5] https://lore.kernel.org/lkml/5f3f9e1c.qsyb%2FaySkiXNpkO4%25lkp@intel.com/
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Merge tag 'fallthrough-pseudo-keyword-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull 'fallthrough' keyword conversion from Gustavo A. R. Silva:
"A tree-wide patch that replaces tons (2484) of /* fall through */
comments, and its variants, with the new pseudo-keyword macro
fallthrough[1]. Also, remove unnecessary fall-through markings when it
is the case.
There are currently 1167 intances of this fallthrough pseudo-keyword
macro in mainline (5.9-rc2), that have been introduced over the last
couple of development cycles:
$ git grep -nw 'fallthrough;' | wc -l
1167
The global adoption of the fallthrough pseudo-keyword is something
certain to happen; so, better sooner than later. :) This will also
save everybody's time and thousands of lines of unnecessarily
repetitive changelog text.
After applying this patch on top of 5.9-rc2, we'll have a total of
3651 instances of this macro:
$ git grep -nw 'fallthrough;' | wc -l
3651
This treewide patch doesn't address ALL fall-through markings in all
subsystems at once because I have previously sent out patches for some
of such subsystems separately, and I will follow up on them; however,
this definitely contributes most of the work needed to replace all the
fall-through markings with the fallthrough pseudo-keyword macro in the
whole codebase.
I have build-tested this patch on 10 different architectures: x86_64,
i386, arm64, powerpc, s390, sparc64, sh, m68k, powerpc64 and alpha
(allyesconfig for all of them). This is in linux-next already and
kernel test robot has also helped me to successfully build-test early
versions of this patch[2][3][4][5]"
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
[2] https://lore.kernel.org/lkml/5f3cc99a.HgvOW3rH0mD0RmkM%25lkp@intel.com/
[3] https://lore.kernel.org/lkml/5f3dd1d2.l1axczH+t4hMBZ63%25lkp@intel.com/
[4] https://lore.kernel.org/lkml/5f3e977a.mwYHUIObbR4SHr0B%25lkp@intel.com/
[5] https://lore.kernel.org/lkml/5f3f9e1c.qsyb%2FaySkiXNpkO4%25lkp@intel.com/
* tag 'fallthrough-pseudo-keyword-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
treewide: Use fallthrough pseudo-keyword
There could be instances where a system stall prevents the timesync
packets to be consumed. And this might lead to more than one packet
pending in the ring buffer. Current code empties one packet per callback
and it might be a stale one. So drain all the packets from ring buffer
on each callback.
Signed-off-by: Vineeth Pillai <viremana@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20200821152849.99517-1-viremana@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
If for any reason, host timesync messages were not processed by
the guest, hv_ptp_gettime() returns a stale value and the
caller (clock_gettime, PTP ioctl etc) has no means to know this
now. Return an error so that the caller knows about this.
Signed-off-by: Vineeth Pillai <viremana@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20200821152523.99364-1-viremana@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
binfmt_flat loader uses the gap between text and data to store data
segment pointers for the libraries. Even in the absence of shared
libraries it stores at least one pointer to the executable's own data
segment. Text and data can go back to back in the flat binary image and
without offsetting data segment last few instructions in the text
segment may get corrupted by the data segment pointer.
Fix it by reverting commit a2357223c5 ("binfmt_flat: don't offset the
data start").
Cc: stable@vger.kernel.org
Fixes: a2357223c5 ("binfmt_flat: don't offset the data start")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Add perf support for emitting extended registers for power10.
A fix for CPU hotplug on pseries, where on large/loaded systems we may not wait
long enough for the CPU to be offlined, leading to crashes.
Addition of a raw cputable entry for Power10, which is not required to boot, but
is required to make our PMU setup work correctly in guests.
Three fixes for the recent changes on 32-bit Book3S to move modules into their
own segment for strict RWX.
A fix for a recent change in our powernv PCI code that could lead to crashes.
A change to our perf interrupt accounting to avoid soft lockups when using some
events, found by syzkaller.
A change in the way we handle power loss events from the hypervisor on pseries.
We no longer immediately shut down if we're told we're running on a UPS.
A few other minor fixes.
Thanks to:
Alexey Kardashevskiy, Andreas Schwab, Aneesh Kumar K.V, Anju T Sudhakar,
Athira Rajeev, Christophe Leroy, Frederic Barrat, Greg Kurz, Kajol Jain,
Madhavan Srinivasan, Michael Neuling, Michael Roth, Nageswara R Sastry, Oliver
O'Halloran, Thiago Jung Bauermann, Vaidyanathan Srinivasan, Vasant Hegde.
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Merge tag 'powerpc-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Add perf support for emitting extended registers for power10.
- A fix for CPU hotplug on pseries, where on large/loaded systems we
may not wait long enough for the CPU to be offlined, leading to
crashes.
- Addition of a raw cputable entry for Power10, which is not required
to boot, but is required to make our PMU setup work correctly in
guests.
- Three fixes for the recent changes on 32-bit Book3S to move modules
into their own segment for strict RWX.
- A fix for a recent change in our powernv PCI code that could lead to
crashes.
- A change to our perf interrupt accounting to avoid soft lockups when
using some events, found by syzkaller.
- A change in the way we handle power loss events from the hypervisor
on pseries. We no longer immediately shut down if we're told we're
running on a UPS.
- A few other minor fixes.
Thanks to Alexey Kardashevskiy, Andreas Schwab, Aneesh Kumar K.V, Anju T
Sudhakar, Athira Rajeev, Christophe Leroy, Frederic Barrat, Greg Kurz,
Kajol Jain, Madhavan Srinivasan, Michael Neuling, Michael Roth,
Nageswara R Sastry, Oliver O'Halloran, Thiago Jung Bauermann,
Vaidyanathan Srinivasan, Vasant Hegde.
* tag 'powerpc-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/perf/hv-24x7: Move cpumask file to top folder of hv-24x7 driver
powerpc/32s: Fix module loading failure when VMALLOC_END is over 0xf0000000
powerpc/pseries: Do not initiate shutdown when system is running on UPS
powerpc/perf: Fix soft lockups due to missed interrupt accounting
powerpc/powernv/pci: Fix possible crash when releasing DMA resources
powerpc/pseries/hotplug-cpu: wait indefinitely for vCPU death
powerpc/32s: Fix is_module_segment() when MODULES_VADDR is defined
powerpc/kasan: Fix KASAN_SHADOW_START on BOOK3S_32
powerpc/fixmap: Fix the size of the early debug area
powerpc/pkeys: Fix build error with PPC_MEM_KEYS disabled
powerpc/kernel: Cleanup machine check function declarations
powerpc: Add POWER10 raw mode cputable entry
powerpc/perf: Add extended regs support for power10 platform
powerpc/perf: Add support for outputting extended regs in perf intr_regs
powerpc: Fix P10 PVR revision in /proc/cpuinfo for SMT4 cores
path and unconditionally uses LSL to retrieve the CPU number. RDPID depends
on MSR_TSX_AUX. KVM has an optmization to avoid expensive MRS read/writes
on VMENTER/EXIT. It caches the MSR values and restores them either when
leaving the run loop, on preemption or when going out to user
space. MSR_TSX_AUX is part of that lazy MSR set, so after writing the guest
value and before the lazy restore any exception using the paranoid entry
will read the guest value and use it as CPU number to retrieve the GSBASE
value for the current CPU when FSGSBASE is enabled. As RDPID is only used
in that particular entry path, there is no reason to burden VMENTER/EXIT
with two extra MSR writes. Remove the RDPID optimization, which is not even
backed by numbers from the paranoid entry path instead.
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Merge tag 'x86-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A single fix for x86 which removes the RDPID usage from the paranoid
entry path and unconditionally uses LSL to retrieve the CPU number.
RDPID depends on MSR_TSX_AUX. KVM has an optmization to avoid
expensive MRS read/writes on VMENTER/EXIT. It caches the MSR values
and restores them either when leaving the run loop, on preemption or
when going out to user space. MSR_TSX_AUX is part of that lazy MSR
set, so after writing the guest value and before the lazy restore any
exception using the paranoid entry will read the guest value and use
it as CPU number to retrieve the GSBASE value for the current CPU when
FSGSBASE is enabled. As RDPID is only used in that particular entry
path, there is no reason to burden VMENTER/EXIT with two extra MSR
writes. Remove the RDPID optimization, which is not even backed by
numbers from the paranoid entry path instead"
* tag 'x86-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/entry/64: Do not use RDPID in paranoid entry to accomodate KVM
broken down bandwith counters.
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Merge tag 'perf-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf fix from Thomas Gleixner:
"A single update for perf on x86 which has support for the broken down
bandwith counters"
* tag 'perf-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Add BW counters for GT, IA and IO breakdown
- Enforce NX on RO data in mixed EFI mode
- Destroy workqueue in an error handling path to prevent UAF
- Stop argument parser at '--' which is the delimiter for init
- Treat a NULL command line pointer as empty instead of dereferncing it
unconditionally.
- Handle an unterminated command line correctly
- Cleanup the 32bit code leftovers and remove obsolete documentation
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Merge tag 'efi-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
- Enforce NX on RO data in mixed EFI mode
- Destroy workqueue in an error handling path to prevent UAF
- Stop argument parser at '--' which is the delimiter for init
- Treat a NULL command line pointer as empty instead of dereferncing it
unconditionally.
- Handle an unterminated command line correctly
- Cleanup the 32bit code leftovers and remove obsolete documentation
* tag 'efi-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: efi: remove description of efi=old_map
efi/x86: Move 32-bit code into efi_32.c
efi/libstub: Handle unterminated cmdline
efi/libstub: Handle NULL cmdline
efi/libstub: Stop parsing arguments at "--"
efi: add missed destroy_workqueue when efisubsys_init fails
efi/x86: Mark kernel rodata non-executable for mixed mode
version messed up the reload of the syscall number from pt_regs after
ptrace and seccomp which breaks syscall number rewriting.
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Merge tag 'core-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull entry fix from Thomas Gleixner:
"A single bug fix for the common entry code.
The transcription of the x86 version messed up the reload of the
syscall number from pt_regs after ptrace and seccomp which breaks
syscall number rewriting"
* tag 'core-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
core/entry: Respect syscall number rewrites
which lead to a recoverable error getting marked as fatal, by Tony
Luck.
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Merge tag 'edac_urgent_for_v5.9_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"A single fix correcting a reversed error severity determination check
which lead to a recoverable error getting marked as fatal, by Tony
Luck"
* tag 'edac_urgent_for_v5.9_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/{i7core,sb,pnd2,skx}: Fix error event severity
Pull networking fixes from David Miller:
"Nothing earth shattering here, lots of small fixes (f.e. missing RCU
protection, bad ref counting, missing memset(), etc.) all over the
place:
1) Use get_file_rcu() in task_file iterator, from Yonghong Song.
2) There are two ways to set remote source MAC addresses in macvlan
driver, but only one of which validates things properly. Fix this.
From Alvin Šipraga.
3) Missing of_node_put() in gianfar probing, from Sumera
Priyadarsini.
4) Preserve device wanted feature bits across multiple netlink
ethtool requests, from Maxim Mikityanskiy.
5) Fix rcu_sched stall in task and task_file bpf iterators, from
Yonghong Song.
6) Avoid reset after device destroy in ena driver, from Shay
Agroskin.
7) Missing memset() in netlink policy export reallocation path, from
Johannes Berg.
8) Fix info leak in __smc_diag_dump(), from Peilin Ye.
9) Decapsulate ECN properly for ipv6 in ipv4 tunnels, from Mark
Tomlinson.
10) Fix number of data stream negotiation in SCTP, from David Laight.
11) Fix double free in connection tracker action module, from Alaa
Hleihel.
12) Don't allow empty NHA_GROUP attributes, from Nikolay Aleksandrov"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (46 commits)
net: nexthop: don't allow empty NHA_GROUP
bpf: Fix two typos in uapi/linux/bpf.h
net: dsa: b53: check for timeout
tipc: call rcu_read_lock() in tipc_aead_encrypt_done()
net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments() error flow
net: sctp: Fix negotiation of the number of data streams.
dt-bindings: net: renesas, ether: Improve schema validation
gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
hv_netvsc: Fix the queue_mapping in netvsc_vf_xmit()
hv_netvsc: Remove "unlikely" from netvsc_select_queue
bpf: selftests: global_funcs: Check err_str before strstr
bpf: xdp: Fix XDP mode when no mode flags specified
selftests/bpf: Remove test_align leftovers
tools/resolve_btfids: Fix sections with wrong alignment
net/smc: Prevent kernel-infoleak in __smc_diag_dump()
sfc: fix build warnings on 32-bit
net: phy: mscc: Fix a couple of spelling mistakes "spcified" -> "specified"
libbpf: Fix map index used in error message
net: gemini: Fix missing free_netdev() in error path of gemini_ethernet_port_probe()
net: atlantic: Use readx_poll_timeout() for large timeout
...
- Correct cleanup of PCI bar mapping in case of failure during
initialization.
- Several security fixes:
- Validating user addresses before mapping them
- Validating packet id (from user) before using it as index for array.
- Validating F/W file size before coping it.
- Prevent possible overflow when validating address from user in
profiler.
- Validate queue index (from user) before using it as index for array.
- Check for correct vmalloc return code
- Fix memory corruption in debugfs entry
- Fix a loop in gaudi_extract_ecc_info()
- Fix the set clock gating function in gaudi code
- Set maximum power to F/W according to the card type
- Cix incorrect check on failed workqueue create
- Correctly report error when configuring the PCI controller
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Merge tag 'misc-habanalabs-fixes-2020-08-22' of git://people.freedesktop.org/~gabbayo/linux into char-misc-linus
Oded writes:
This tag contains the following bug fixes for 5.9-rc2/3:
- Correct cleanup of PCI bar mapping in case of failure during
initialization.
- Several security fixes:
- Validating user addresses before mapping them
- Validating packet id (from user) before using it as index for array.
- Validating F/W file size before coping it.
- Prevent possible overflow when validating address from user in
profiler.
- Validate queue index (from user) before using it as index for array.
- Check for correct vmalloc return code
- Fix memory corruption in debugfs entry
- Fix a loop in gaudi_extract_ecc_info()
- Fix the set clock gating function in gaudi code
- Set maximum power to F/W according to the card type
- Cix incorrect check on failed workqueue create
- Correctly report error when configuring the PCI controller
* tag 'misc-habanalabs-fixes-2020-08-22' of git://people.freedesktop.org/~gabbayo/linux:
habanalabs: correctly report inbound pci region cfg error
habanalabs: check correct vmalloc return code
habanalabs: validate FW file size
habanalabs: fix incorrect check on failed workqueue create
habanalabs: set max power according to card type
habanalabs: proper handling of alloc size in coresight
habanalabs: set clock gating according to mask
habanalabs: verify user input in cs_ioctl_signal_wait
habanalabs: Fix a loop in gaudi_extract_ecc_info()
habanalabs: Fix memory corruption in debugfs
habanalabs: validate packet id during CB parse
habanalabs: Validate user address before mapping
habanalabs: unmap PCI bars upon iATU failure
Pull epoll fixes from Al Viro:
"Fix reference counting and clean up exit paths"
* 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
do_epoll_ctl(): clean the failure exits up a bit
epoll: Keep a reference on files added to the check list
When adding a new fd to an epoll, and that this new fd is an
epoll fd itself, we recursively scan the fds attached to it
to detect cycles, and add non-epool files to a "check list"
that gets subsequently parsed.
However, this check list isn't completely safe when deletions
can happen concurrently. To sidestep the issue, make sure that
a struct file placed on the check list sees its f_count increased,
ensuring that a concurrent deletion won't result in the file
disapearing from under our feet.
Cc: stable@vger.kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
- move -Wsign-compare warning from W=2 to W=3
- fix the keyword _restrict to __restrict in genksyms
- fix more bugs in qconf
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Merge tag 'kbuild-fixes-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- move -Wsign-compare warning from W=2 to W=3
- fix the keyword _restrict to __restrict in genksyms
- fix more bugs in qconf
* tag 'kbuild-fixes-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: qconf: replace deprecated QString::sprintf() with QTextStream
kconfig: qconf: remove redundant help in the info view
kconfig: qconf: remove qInfo() to get back Qt4 support
kconfig: qconf: remove unused colNr
kconfig: qconf: fix the popup menu in the ConfigInfoView window
kconfig: qconf: fix signal connection to invalid slots
genksyms: keywords: Use __restrict not _restrict
kbuild: remove redundant patterns in filter/filter-out
extract-cert: add static to local data
Makefile.extrawarn: Move sign-compare from W=2 to W=3
(currently they are parked if none of the early CPUs are affected by
this erratum).
- Add the 32-bit vdso Makefile to the vdso_install rule so that 'make
vdso_install' installs the 32-bit compat vdso when it is compiled.
- Print a warning that untrusted guests without a CPU erratum workaround
(Cortex-A57 832075) may deadlock the affected system.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Allow booting of late secondary CPUs affected by erratum 1418040
(currently they are parked if none of the early CPUs are affected by
this erratum).
- Add the 32-bit vdso Makefile to the vdso_install rule so that 'make
vdso_install' installs the 32-bit compat vdso when it is compiled.
- Print a warning that untrusted guests without a CPU erratum
workaround (Cortex-A57 832075) may deadlock the affected system.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
ARM64: vdso32: Install vdso32 from vdso_install
KVM: arm64: Print warning when cpu erratum can cause guests to deadlock
arm64: Allow booting of late CPUs affected by erratum 1418040
arm64: Move handling of erratum 1418040 into C code
- Couple of fixes for storage key handling relevant for debugging.
- Add cond_resched into potentially slow subchannels scanning loop.
- Fixes for PF/VF linking and to ignore stale PCI configuration request
events.
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Merge tag 's390-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- a couple of fixes for storage key handling relevant for debugging
- add cond_resched into potentially slow subchannels scanning loop
- fixes for PF/VF linking and to ignore stale PCI configuration request
events
* tag 's390-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: fix PF/VF linking on hot plug
s390/pci: re-introduce zpci_remove_device()
s390/pci: fix zpci_bus_link_virtfn()
s390/ptrace: fix storage key handling
s390/runtime_instrumentation: fix storage key handling
s390/pci: ignore stale configuration request event
s390/cio: add cond_resched() in the slow_eval_known_fn() loop
* selftests fix for new binutils
* MMU notifier fix for arm64
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
- PAE and PKU bugfixes for x86
- selftests fix for new binutils
- MMU notifier fix for arm64
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm64: Only reschedule if MMU_NOTIFIER_RANGE_BLOCKABLE is not set
KVM: Pass MMU notifier range flags to kvm_unmap_hva_range()
kvm: x86: Toggling CR4.PKE does not load PDPTEs in PAE mode
kvm: x86: Toggling CR4.SMAP does not load PDPTEs in PAE mode
KVM: x86: fix access code passed to gva_to_gpa
selftests: kvm: Use a shorter encoding to clear RAX
23 fixes in 5 drivers (qla2xxx, ufs, scsi_debug, fcoe, zfcp). The
bulk of the changes are in qla2xxx and ufs and all are mostly small
and definitely don't impact the core.
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:
"23 fixes in 5 drivers (qla2xxx, ufs, scsi_debug, fcoe, zfcp). The bulk
of the changes are in qla2xxx and ufs and all are mostly small and
definitely don't impact the core"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (23 commits)
Revert "scsi: qla2xxx: Disable T10-DIF feature with FC-NVMe during probe"
Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"
scsi: qla2xxx: Fix null pointer access during disconnect from subsystem
scsi: qla2xxx: Check if FW supports MQ before enabling
scsi: qla2xxx: Fix WARN_ON in qla_nvme_register_hba
scsi: qla2xxx: Allow ql2xextended_error_logging special value 1 to be set anytime
scsi: qla2xxx: Reduce noisy debug message
scsi: qla2xxx: Fix login timeout
scsi: qla2xxx: Indicate correct supported speeds for Mezz card
scsi: qla2xxx: Flush I/O on zone disable
scsi: qla2xxx: Flush all sessions on zone disable
scsi: qla2xxx: Use MBX_TOV_SECONDS for mailbox command timeout values
scsi: scsi_debug: Fix scp is NULL errors
scsi: zfcp: Fix use-after-free in request timeout handlers
scsi: ufs: No need to send Abort Task if the task in DB was cleared
scsi: ufs: Clean up completed request without interrupt notification
scsi: ufs: Improve interrupt handling for shared interrupts
scsi: ufs: Fix interrupt error message for shared interrupts
scsi: ufs-pci: Add quirk for broken auto-hibernate for Intel EHL
scsi: ufs-mediatek: Fix incorrect time to wait link status
...
- Restore range parsing error check
- Workaround PCI range parsing with missing 'device_type' now required
- Correct description of 'phy-connection-type'
- Fix erroneous matching on 'snps,dw-pcie' by 'intel,lgm-pcie' schema
- A couple of grammar and whitespace fixes
- Update Shawn Guo's email
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Merge tag 'devicetree-fixes-for-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
"Another set of DT fixes:
- restore range parsing error check
- workaround PCI range parsing with missing 'device_type' now
required
- correct description of 'phy-connection-type'
- fix erroneous matching on 'snps,dw-pcie' by 'intel,lgm-pcie' schema
- a couple of grammar and whitespace fixes
- update Shawn Guo's email"
* tag 'devicetree-fixes-for-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: vendor-prefixes: Remove trailing whitespace
dt-bindings: net: correct description of phy-connection-type
dt-bindings: PCI: intel,lgm-pcie: Fix matching on all snps,dw-pcie instances
of: address: Work around missing device_type property in pcie nodes
dt: writing-schema: Miscellaneous grammar fixes
dt-bindings: Use Shawn Guo's preferred e-mail for i.MX bindings
of/address: check for invalid range.cpu_addr
During inbound iATU configuration we can get errors while
configuring PCI registers, there is a certain scenario in which these
errors are not reflected and driver is loaded with wrong configuration.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
vmalloc can return different return code than NULL and a valid
pointer. We must validate it in order to dereference a non valid
pointer.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
We must validate FW size in order not to corrupt memory in case
a malicious FW file will be present in system.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
The null check on a failed workqueue create is currently null checking
hdev->cq_wq rather than the pointer hdev->cq_wq[i] and so the test
will never be true on a failed workqueue create. Fix this by checking
hdev->cq_wq[i].
Addresses-Coverity: ("Dereference before null check")
Fixes: 5574cb2194 ("habanalabs: Assign each CQ with its own work queue")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
In Gaudi, the default max power setting is different between PCI and PMC
cards. Therefore, the driver need to set the default after knowing what is
the card type.
The current code has a bug where it limits the maximum power of the PMC
card to 200W after a reset occurs.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Allocation size can go up to 64bit but truncated to 32bit,
we should make sure it is not truncated and validate no address
overflow.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Once clock gating is set we enable clock gating according to mask,
we should also disable clock gating according to relevant bits.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
User input must be validated before using it to
access internal structures.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
The condition was reversed. It should have been less than instead of
greater than. The result is that we never enter the loop.
Fixes: fcc6a4e606 ("habanalabs: Extract ECC information from FW")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This has to be a long instead of a u32 because we write a long value.
On 64 bit systems, this will cause memory corruption.
Fixes: c216477363 ("habanalabs: add debugfs support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
During command buffer parsing, driver extracts packet id
from user buffer. Driver must validate this packet id, since it is
being used in order to extract information from internal structures.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
