Here is the big set of staging driver updates for 5.19-rc1.
Lots of forward progress happened this development cycle, one driver
(wfx wireless driver) got merged into the real portion of the kernel,
and another one (unisys) was removed as no one is around anymore to take
care of it and no one has the hardware. Combined with loads of tiny
driver cleanups overall we removed 13k lines of code from the tree, a
nice improvement.
Other than the wfx and unisys driver changes the major points of this
merge is:
- r8188eu driver cleanups. So many cleanups. It's amazing just
how many things have been cleaned up here, and yet, how many
remain to go. Lots of work happened here, and it doesn't look
to slow down any time soon.
- other wifi driver cleanups. Not as many as the r8188eu
driver, but still pretty impressive from a janitorial point of
view.
- bcm2853 driver cleanups
- other very minor driver cleanups
All of these have been in the linux-next tree for weeks with no reported
issues.
Note, you will have a merge conflict in the
drivers/net/wireless/silabs/wfx/sta.c file, please just take the change
that came in from the wifi tree. We thought as I had pulled the same
merge point from the wifi developers this type of conflict wouldn't have
happened, but for some reason git flags it as something to pay attention
to and couldn't resolve it itself.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver updates for 5.19-rc1.
Lots of forward progress happened this development cycle, one driver
(wfx wireless driver) got merged into the real portion of the kernel,
and another one (unisys) was removed as no one is around anymore to
take care of it and no one has the hardware. Combined with loads of
tiny driver cleanups overall we removed 13k lines of code from the
tree, a nice improvement.
Other than the wfx and unisys driver changes the major points of this
merge is:
- r8188eu driver cleanups. So many cleanups. It's amazing just how
many things have been cleaned up here, and yet, how many remain to
go. Lots of work happened here, and it doesn't look to slow down
any time soon.
- other wifi driver cleanups. Not as many as the r8188eu driver, but
still pretty impressive from a janitorial point of view.
- bcm2853 driver cleanups
- other very minor driver cleanups
All of these have been in the linux-next tree for weeks with no
reported issues"
* tag 'staging-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (363 commits)
staging: r8188eu: remove include/rtw_debug.h
staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan()
staging: r8188eu: delete rtw_wx_read/write32()
staging: r8188eu: Remove multiple assignments
staging: r8188eu: add check for kzalloc
staging: r8188eu: fix warnings in rtw_wlan_util
staging: r8188eu: fix warnings in rtw_pwrctrl
staging: r8188eu: fix warnings in rtw_p2p
staging: rtl8712: fix uninit-value in r871xu_drv_init()
staging: rtl8712: fix uninit-value in usb_read8() and friends
staging: rtl8712: add error handler in r8712_usbctrl_vendorreq()
staging: r8188eu: remove _drv_ defines from include/rtw_debug.h
staging: vc04_services: remove unused macro
staging: rtl8192u: remove null check after call container_of()
staging: rtl8192e: remove null check after call container_of()
staging: ks7010: remove null check after call container_of()
staging: r8188eu: remove HW_VAR_AC_PARAM_BE from SetHwReg8188EU()
staging: r8188eu: assoc_rsp and assoc_rsp_len are not used
staging: r8188eu: last_rx_mgnt_pkts is set but not used
staging: r8188eu: simplify error handling in recv_func_prehandle
...
Here are some SPDX (i.e. licensing) changes for 5.19-rc1
The SPDX-labeling effort has started to pick up again, so here are some
changes for various parts of the tree that are related to this effort.
Included in here are:
- freevxfs license updates
- spihash.c license cleanups
- spdxcheck script updates to make things easier to work with
going forward
All of the license updates came from the original authors/copyright
holders of the code involved.
All of these have been in linux-next for weeks with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here are some SPDX license marker changes.
The SPDX-labeling effort has started to pick up again, so here are
some changes for various parts of the tree that are related to this
effort.
Included in here are:
- freevxfs license updates
- spihash.c license cleanups
- spdxcheck script updates to make things easier to work with going
forward
All of the license updates came from the original authors/copyright
holders of the code involved.
All of these have been in linux-next for weeks with no reported
issues"
* tag 'spdx-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
siphash: add SPDX tags as sole licensing authority
scripts/spdxcheck: Exclude top-level README
scripts/spdxcheck: Exclude MAINTAINERS/CREDITS
scripts/spdxcheck: Exclude config directories
scripts/spdxcheck: Put excluded files and directories into a separate file
scripts/spdxcheck: Add option to display files without SPDX
scripts/spdxcheck: Add [sub]directory statistics
scripts/spdxcheck: Add directory statistics
scripts/spdxcheck: Add percentage to statistics
freevxfs: relicense to GPLv2 only
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Merge tag 'for-5.19/drivers-2022-06-02' of git://git.kernel.dk/linux-block
Pull more block driver updates from Jens Axboe:
"A collection of stragglers that were late on sending in their changes
and just followup fixes.
- NVMe fixes pull request via Christoph:
- set controller enable bit in a separate write (Niklas Cassel)
- disable namespace identifiers for the MAXIO MAP1001 (Christoph)
- fix a comment typo (Julia Lawall)"
- MD fixes pull request via Song:
- Remove uses of bdevname (Christoph Hellwig)
- Bug fixes (Guoqing Jiang, and Xiao Ni)
- bcache fixes series (Coly)
- null_blk zoned write fix (Damien)
- nbd fixes (Yu, Zhang)
- Fix for loop partition scanning (Christoph)"
* tag 'for-5.19/drivers-2022-06-02' of git://git.kernel.dk/linux-block: (23 commits)
block: null_blk: Fix null_zone_write()
nvmet: fix typo in comment
nvme: set controller enable bit in a separate write
nvme-pci: disable namespace identifiers for the MAXIO MAP1001
bcache: avoid unnecessary soft lockup in kworker update_writeback_rate()
nbd: use pr_err to output error message
nbd: fix possible overflow on 'first_minor' in nbd_dev_add()
nbd: fix io hung while disconnecting device
nbd: don't clear 'NBD_CMD_INFLIGHT' flag if request is not completed
nbd: fix race between nbd_alloc_config() and module removal
nbd: call genl_unregister_family() first in nbd_cleanup()
md: bcache: check the return value of kzalloc() in detached_dev_do_request()
bcache: memset on stack variables in bch_btree_check() and bch_sectors_dirty_init()
block, loop: support partitions without scanning
bcache: avoid journal no-space deadlock by reserving 1 journal bucket
bcache: remove incremental dirty sector counting for bch_sectors_dirty_init()
bcache: improve multithreaded bch_sectors_dirty_init()
bcache: improve multithreaded bch_btree_check()
md: fix double free of io_acct_set bioset
md: Don't set mddev private to NULL in raid0 pers->free
...
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Merge tag 'for-5.19/block-exec-2022-06-02' of git://git.kernel.dk/linux-block
Pull block request execute cleanups from Jens Axboe:
"This change was advertised in the initial core block pull request, but
didn't actually make that branch as we deferred it to a post-merge
pull request to avoid a bunch of cross branch issues.
This series cleans up the block execute path quite nicely"
* tag 'for-5.19/block-exec-2022-06-02' of git://git.kernel.dk/linux-block:
blk-mq: remove the done argument to blk_execute_rq_nowait
blk-mq: avoid a mess of casts for blk_end_sync_rq
blk-mq: remove __blk_execute_rq_nowait
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Merge tag 'for-5.19/block-2022-06-02' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Just a collection of fixes that have been queued up since the initial
merge window pull request, the majority of which are targeted for
stable as well.
One bio_set fix that fixes an issue with the dm adoption of cached bio
structs that got introduced in this merge window"
* tag 'for-5.19/block-2022-06-02' of git://git.kernel.dk/linux-block:
block: Fix potential deadlock in blk_ia_range_sysfs_show()
block: fix bio_clone_blkg_association() to associate with proper blkcg_gq
block: remove useless BUG_ON() in blk_mq_put_tag()
blk-mq: do not update io_ticks with passthrough requests
block: make bioset_exit() fully resilient against being called twice
block: use bio_queue_enter instead of blk_queue_enter in bio_poll
block: document BLK_STS_AGAIN usage
block: take destination bvec offsets into account in bio_copy_data_iter
blk-iolatency: Fix inflight count imbalances and IO hangs on offline
blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx
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Merge tag 'io_uring-5.19-2022-06-02' of git://git.kernel.dk/linux-block
Pull more io_uring updates from Jens Axboe:
- A small series with some prep patches for the upcoming 5.20 split of
the io_uring.c file. No functional changes here, just minor bits that
are nice to get out of the way now (me)
- Fix for a memory leak in high numbered provided buffer groups,
introduced in the merge window (me)
- Wire up the new socket opcode for allocated direct descriptors,
making it consistent with the other opcodes that can instantiate a
descriptor (me)
- Fix for the inflight tracking, should go into 5.18-stable as well
(me)
- Fix for a deadlock for io-wq offloaded file slot allocations (Pavel)
- Direct descriptor failure fput leak fix (Xiaoguang)
- Fix for the direct descriptor allocation hinting in case of
unsuccessful install (Xiaoguang)
* tag 'io_uring-5.19-2022-06-02' of git://git.kernel.dk/linux-block:
io_uring: reinstate the inflight tracking
io_uring: fix deadlock on iowq file slot alloc
io_uring: let IORING_OP_FILES_UPDATE support choosing fixed file slots
io_uring: defer alloc_hint update to io_file_bitmap_set()
io_uring: ensure fput() called correspondingly when direct install fails
io_uring: wire up allocated direct descriptors for socket
io_uring: fix a memory leak of buffer group list on exit
io_uring: move shutdown under the general net section
io_uring: unify calling convention for async prep handling
io_uring: add io_op_defs 'def' pointer in req init and issue
io_uring: make prep and issue side of req handlers named consistently
io_uring: make timeout prep handlers consistent with other prep handlers
mac vlan filter and stats support in mlx5 vdpa
irq hardening in virtio
performance improvements in virtio crypto
polling i/o support in virtio blk
ASID support in vhost
fixes, cleanups all over the place
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 updates from Michael Tsirkin:
"vhost,virtio and vdpa features, fixes, and cleanups:
- mac vlan filter and stats support in mlx5 vdpa
- irq hardening in virtio
- performance improvements in virtio crypto
- polling i/o support in virtio blk
- ASID support in vhost
- fixes, cleanups all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits)
vdpa: ifcvf: set pci driver data in probe
vdpa/mlx5: Add RX MAC VLAN filter support
vdpa/mlx5: Remove flow counter from steering
vhost: rename vhost_work_dev_flush
vhost-test: drop flush after vhost_dev_cleanup
vhost-scsi: drop flush after vhost_dev_cleanup
vhost_vsock: simplify vhost_vsock_flush()
vhost_test: remove vhost_test_flush_vq()
vhost_net: get rid of vhost_net_flush_vq() and extra flush calls
vhost: flush dev once during vhost_dev_stop
vhost: get rid of vhost_poll_flush() wrapper
vhost-vdpa: return -EFAULT on copy_to_user() failure
vdpasim: Off by one in vdpasim_set_group_asid()
virtio: Directly use ida_alloc()/free()
virtio: use WARN_ON() to warning illegal status value
virtio: harden vring IRQ
virtio: allow to unbreak virtqueue
virtio-ccw: implement synchronize_cbs()
virtio-mmio: implement synchronize_cbs()
virtio-pci: implement synchronize_cbs()
...
A collection of small fixes for 5.19 merge window. Nothing particular
stands out, as most changes are device-specific fixes and quirks.
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Merge tag 'sound-fix-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes for 5.19 merge window. Nothing particular
stands out, as most changes are device-specific fixes and quirks"
* tag 'sound-fix-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
selftests: alsa: Handle pkg-config failure more gracefully
ALSA: usb-audio: Optimize TEAC clock quirk
ASoC: da7219: cancel AAD related work earlier for jack removal
ASoC: da7219: Fix pole orientation detection on certain headsets
ASoC: Intel: avs: Fix build error on arc, m68k and sparc
ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS
ALSA: hda/via: Delete does not require return
ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop
ASoC: Intel: common: fix typo for tplg naming
ALSA: usb-audio: Cancel pending work at closing a MIDI substream
ALSA: usb-audio: Add mixer mapping for Gigabyte B450/550 Mobos
ASoC: rt5640: Do not manipulate pin "Platform Clock" if the "Platform Clock" is not in the DAPM
ASoC: SOF: amd: Fixed Build error
ASoC: fsl_sai: Fix FSL_SAI_xDR/xFR definition
ASoC: soc-pcm: fix BE transition for TRIGGER_START
SPI peripheral device bindings need to reference spi-peripheral-props.yaml
in order to use various SPI controller specific properties. Otherwise,
the unevaluatedProperties check will reject any controller specific
properties.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20220525205909.2486153-1-robh@kernel.org
msm:
- Limiting WB modes to max sspp linewidth
- Fixing the supported rotations to add 180 back for IGT
- Fix to handle pm_runtime_get_sync() errors to avoid unclocked access
in the bind() path for dpu driver
- Fix the irq_free() without request issue which was a big-time
hitter in the CI-runs.
amdgpu:
- Update fdinfo to the common drm format
- uapi: Add VM_NOALLOC GPUVM attribute to prevent buffers for going into the MALL
Add AMDGPU_GEM_CREATE_DISCARDABLE flag to create buffers that can be discarded on eviction
Mesa code which uses these: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16466
- Link training fixes
- DPIA fixes
- Misc code cleanups
- Aux fixes
- Hotplug fixes
- More FP clean up
- Misc GFX9/10 fixes
- Fix a possible memory leak in SMU shutdown
- SMU 13 updates
- RAS fixes
- TMZ fixes
- GC 11 updates
- SMU 11 metrics fixes
- Fix coverage blend mode for overlay plane
- Note DDR vs LPDDR memory
- Fuzz fix for CS IOCTL
- Add new PCI DID
amdkfd:
- Clean up hive setup
- Misc fixes
tegra:
- add some prelim 5.20 work to avoid inter-tree mess
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Merge tag 'drm-next-2022-06-03-1' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Dave Airlie:
"This is mostly regular fixes, msm and amdgpu. There is a tegra patch
that is bit of prep work for a 5.20 feature to avoid some inter-tree
syncs, and a couple of late addition amdgpu uAPI changes but best to
get those in early, and the userspace pieces are ready.
msm:
- Limiting WB modes to max sspp linewidth
- Fixing the supported rotations to add 180 back for IGT
- Fix to handle pm_runtime_get_sync() errors to avoid unclocked
access in the bind() path for dpu driver
- Fix the irq_free() without request issue which was a big-time
hitter in the CI-runs.
amdgpu:
- Update fdinfo to the common drm format
- uapi:
- Add VM_NOALLOC GPUVM attribute to prevent buffers for going
into the MALL
- Add AMDGPU_GEM_CREATE_DISCARDABLE flag to create buffers that
can be discarded on eviction
- Mesa code which uses these:
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16466
- Link training fixes
- DPIA fixes
- Misc code cleanups
- Aux fixes
- Hotplug fixes
- More FP clean up
- Misc GFX9/10 fixes
- Fix a possible memory leak in SMU shutdown
- SMU 13 updates
- RAS fixes
- TMZ fixes
- GC 11 updates
- SMU 11 metrics fixes
- Fix coverage blend mode for overlay plane
- Note DDR vs LPDDR memory
- Fuzz fix for CS IOCTL
- Add new PCI DID
amdkfd:
- Clean up hive setup
- Misc fixes
tegra:
- add some prelim 5.20 work to avoid inter-tree mess"
* tag 'drm-next-2022-06-03-1' of git://anongit.freedesktop.org/drm/drm: (57 commits)
drm/msm/dpu: Move min BW request and full BW disable back to mdss
drm/msm/dpu: Fix pointer dereferenced before checking
drm/msm/dpu: Remove unused code
drm/msm/disp/dpu1: remove superfluous init
drm/msm/dp: Always clear mask bits to disable interrupts at dp_ctrl_reset_irq_ctrl()
gpu: host1x: Add context bus
drm/amdgpu: add drm-client-id to fdinfo v2
drm/amdgpu: Convert to common fdinfo format v5
drm/amdgpu: bump minor version number
drm/amdgpu: add AMDGPU_VM_NOALLOC v2
drm/amdgpu: add AMDGPU_GEM_CREATE_DISCARDABLE
drm/amdgpu: add beige goby PCI ID
drm/amd/pm: Return auto perf level, if unsupported
drm/amdkfd: fix typo in comment
drm/amdgpu/gfx: fix typos in comments
drm/amdgpu/cs: make commands with 0 chunks illegal behaviour.
drm/amdgpu: differentiate between LP and non-LP DDR memory
drm/amdgpu: Resolve pcie_bif RAS recovery bug
drm/amdgpu: clean up asd on the ta_firmware_header_v2_0
drm/amdgpu/discovery: validate VCN and SDMA instances
...
Binding schemas which define child node properties such as memory
controllers with timing properties need a separate schema which can be
referenced from child device schemas. This is necessary for
unevaluatedProperties checks to work properly.
Move the ingenic,nemc child properties to its own file and reference
from ingenic,nand.yaml which describes a child NAND controller.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220525210140.2489866-1-robh@kernel.org
SPI peripheral device bindings need to reference spi-peripheral-props.yaml
in order to use various SPI controller specific properties. Otherwise,
the unevaluatedProperties check will reject any controller specific
properties.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220531220122.2412711-1-robh@kernel.org
The nodemask routines had mixed return values that provided potentially
signed return values that could never happen. This was leading to the
compiler getting confusing about the range of possible return values
(it was thinking things could be negative where they could not be). Fix
all the nodemask routines that should be returning unsigned
(or bool) values. Silences:
mm/swapfile.c: In function ‘setup_swap_info’:
mm/swapfile.c:2291:47: error: array subscript -1 is below array bounds of ‘struct plist_node[]’ [-Werror=array-bounds]
2291 | p->avail_lists[i].prio = 1;
| ~~~~~~~~~~~~~~^~~
In file included from mm/swapfile.c:16:
./include/linux/swap.h:292:27: note: while referencing ‘avail_lists’
292 | struct plist_node avail_lists[]; /*
| ^~~~~~~~~~~
Reported-by: Christophe de Dinechin <dinechin@redhat.com>
Link: https://lore.kernel.org/lkml/20220414150855.2407137-3-dinechin@redhat.com/
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Both nodemask and bitmap routines had mixed return values that provided
potentially signed return values that could never happen. This was
leading to the compiler getting confusing about the range of possible
return values (it was thinking things could be negative where they could
not be). In preparation for fixing nodemask, fix all the bitmap routines
that should be returning unsigned (or bool) values.
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Christophe de Dinechin <dinechin@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
kvm_hv_flush_tlb() applies bitmap API to a u64 variable valid_bank_mask.
Since valid_bank_mask has a fixed size, we can use hweight64() and avoid
excessive bloating.
CC: Borislav Petkov <bp@alien8.de>
CC: Dave Hansen <dave.hansen@linux.intel.com>
CC: H. Peter Anvin <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jim Mattson <jmattson@google.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Sean Christopherson <seanjc@google.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Vitaly Kuznetsov <vkuznets@redhat.com>
CC: Wanpeng Li <wanpengli@tencent.com>
CC: kvm@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
In kvm_hv_flush_tlb(), valid_bank_mask is declared as unsigned long,
but is used as u64, which is wrong for i386, and has been spotted by
LKP after applying "KVM: x86: hyper-v: replace bitmap_weight() with
hweight64()"
https://lore.kernel.org/lkml/20220510154750.212913-12-yury.norov@gmail.com/
But it's wrong even without that patch because now bitmap_weight()
dereferences a word after valid_bank_mask on i386.
>> include/asm-generic/bitops/const_hweight.h:21:76: warning: right shift count >= width of type
+[-Wshift-count-overflow]
21 | #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))
| ^~
include/asm-generic/bitops/const_hweight.h:10:16: note: in definition of macro '__const_hweight8'
10 | ((!!((w) & (1ULL << 0))) + \
| ^
include/asm-generic/bitops/const_hweight.h:20:31: note: in expansion of macro '__const_hweight16'
20 | #define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16))
| ^~~~~~~~~~~~~~~~~
include/asm-generic/bitops/const_hweight.h:21:54: note: in expansion of macro '__const_hweight32'
21 | #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))
| ^~~~~~~~~~~~~~~~~
include/asm-generic/bitops/const_hweight.h:29:49: note: in expansion of macro '__const_hweight64'
29 | #define hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w))
| ^~~~~~~~~~~~~~~~~
arch/x86/kvm/hyperv.c:1983:36: note: in expansion of macro 'hweight64'
1983 | if (hc->var_cnt != hweight64(valid_bank_mask))
| ^~~~~~~~~
CC: Borislav Petkov <bp@alien8.de>
CC: Dave Hansen <dave.hansen@linux.intel.com>
CC: H. Peter Anvin <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jim Mattson <jmattson@google.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Sean Christopherson <seanjc@google.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Vitaly Kuznetsov <vkuznets@redhat.com>
CC: Wanpeng Li <wanpengli@tencent.com>
CC: kvm@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Message-Id: <20220519171504.1238724-1-yury.norov@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The smu_v1X_0_set_allowed_mask() uses bitmap_copy() to convert
bitmap to 32-bit array. This may be wrong due to endiannes issues.
Fix it by switching to bitmap_{from,to}_arr32.
CC: Alexander Gordeev <agordeev@linux.ibm.com>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Christian Borntraeger <borntraeger@linux.ibm.com>
CC: Claudio Imbrenda <imbrenda@linux.ibm.com>
CC: David Hildenbrand <david@redhat.com>
CC: Heiko Carstens <hca@linux.ibm.com>
CC: Janosch Frank <frankja@linux.ibm.com>
CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
CC: Sven Schnelle <svens@linux.ibm.com>
CC: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Manipulating 64-bit arrays with bitmap functions is potentially dangerous
because on 32-bit BE machines the order of halfwords doesn't match.
Another issue is that compiler may throw a warning about out-of-boundary
access.
This patch adds bitmap_{from,to}_arr64 functions in addition to existing
bitmap_{from,to}_arr32.
CC: Alexander Gordeev <agordeev@linux.ibm.com>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Christian Borntraeger <borntraeger@linux.ibm.com>
CC: Claudio Imbrenda <imbrenda@linux.ibm.com>
CC: David Hildenbrand <david@redhat.com>
CC: Heiko Carstens <hca@linux.ibm.com>
CC: Janosch Frank <frankja@linux.ibm.com>
CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
CC: Sven Schnelle <svens@linux.ibm.com>
CC: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
On LE systems bitmaps are naturally ordered, therefore we can potentially
use bitmap_copy routines when converting from 32-bit arrays, even if host
system is 64-bit. But it may lead to out-of-bond access due to unsafe
typecast, and the bitmap_(from,to)_arr32 comment doesn't explain that
clearly
CC: Alexander Gordeev <agordeev@linux.ibm.com>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Christian Borntraeger <borntraeger@linux.ibm.com>
CC: Claudio Imbrenda <imbrenda@linux.ibm.com>
CC: David Hildenbrand <david@redhat.com>
CC: Heiko Carstens <hca@linux.ibm.com>
CC: Janosch Frank <frankja@linux.ibm.com>
CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
CC: Sven Schnelle <svens@linux.ibm.com>
CC: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
The order of the arguments in function documentation doesn't fit the
implementation. Change the documentation so that it corresponds to the
code. This prevent people to get confused when reading the documentation.
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
The documentation of such function is not on a proper ReST format,
as reported by Sphinx:
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:532: WARNING: Unexpected indentation.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:526: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:532: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:532: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:533: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:536: WARNING: Definition list ends without a blank line; unexpected unindent.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:542: WARNING: Unexpected indentation.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:536: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:536: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:543: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:552: WARNING: Unexpected indentation.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:545: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:545: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:552: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:552: WARNING: Inline emphasis start-string without end-string.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:554: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:556: WARNING: Definition list ends without a blank line; unexpected unindent.
Documentation/core-api/kernel-api:81: ./lib/bitmap.c:580: WARNING: Unexpected indentation.
So, the produced output at:
https://www.kernel.org/doc/html/latest/core-api/kernel-api.html?#c.bitmap_print_bitmask_to_buf
is broken. Fix it by adding spaces and marking the literal blocks.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
cpumask and nodemask APIs are thin wrappers around basic bitmap API, and
corresponding files are not formally maintained. This patch adds them to
BITMAP_API section, so that bitmap folks would have closer look at it.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
mm code calls nodes_weight() to check if any bit of a given nodemask is
set. We can do it more efficiently with nodes_empty() because nodes_empty()
stops traversing the nodemask as soon as it finds first set bit, while
nodes_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
mm/vmstat.c code calls cpumask_weight() to check if any bit of a given
cpumask is set. We can do it more efficiently with cpumask_empty() because
cpumask_empty() stops traversing the cpumask as soon as it finds first set
bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
clocksource_verify_percpu() calls cpumask_weight() to check if any bit of
a given cpumask is set. We can do it more efficiently with cpumask_empty()
because cpumask_empty() stops traversing the cpumask as soon as it finds
first set bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
__irq_build_affinity_masks() calls cpumask_weight() to check if
any bit of a given cpumask is set. We can do it more efficiently with
cpumask_empty() because cpumask_empty() stops traversing the cpumask as
soon as it finds first set bit, while cpumask_weight() counts all bits
unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
bcm6345_l1_of_init() calls cpumask_weight() to check if any bit of a given
cpumask is set. We can do it more efficiently with cpumask_empty() because
cpumask_empty() stops traversing the cpumask as soon as it finds first set
bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
i915_pmu_cpu_online() calls cpumask_weight() to check if any bit of a
given cpumask is set. We can do it more efficiently with cpumask_empty()
because cpumask_empty() stops traversing the cpumask as soon as it finds
first set bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
In some cases, arch/x86 code calls cpumask_weight() to check if any bit of
a given cpumask is set. We can do it more efficiently with cpumask_empty()
because cpumask_empty() stops traversing the cpumask as soon as it finds
first set bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
setup_arch() calls cpumask_weight() to check if any bit of a given cpumask
is set. We can do it more efficiently with cpumask_empty() because
cpumask_empty() stops traversing the cpumask as soon as it finds first set
bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
common_shutdown_1() calls cpumask_weight() to check if any bit of a
given cpumask is set. We can do it more efficiently with cpumask_empty()
because cpumask_empty() stops traversing the cpumask as soon as it finds
first set bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
bitmap_empty() is better than bitmap_weight() because it may return
earlier, and improves on readability.
CC: Albert Ou <aou@eecs.berkeley.edu>
CC: Anup Patel <anup@brainfault.org>
CC: Atish Patra <atishp@atishpatra.org>
CC: Jisheng Zhang <jszhang@kernel.org>
CC: Palmer Dabbelt <palmer@dabbelt.com>
CC: Paul Walmsley <paul.walmsley@sifive.com>
CC: Tsukasa OI <research_trasio@irq.a4lg.com>
CC: linux-riscv@lists.infradead.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Add the maintainer information for the LoongArch (LA or LArch for short)
architecture.
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add Non-Uniform Memory Access (NUMA) support for LoongArch. LoongArch
has 48-bit physical address, but the HyperTransport I/O bus only support
40-bit address, so we need a custom phys_to_dma() and dma_to_phys() to
extract the 4-bit node id (bit 44~47) from Loongson-3's 48-bit physical
address space and embed it into 40-bit. In the 40-bit dma address, node
id offset can be read from the LS7A_DMA_CFG register.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
LoongArch-based procesors have 4, 8 or 16 cores per package. This patch
adds multi-processor (SMP) support for LoongArch.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add VDSO and VSYSCALL support (sigreturn, gettimeofday and its friends)
for LoongArch.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add some misc common routines for LoongArch, including: asm-offsets
routines, futex functions, i/o memory access functions, frame-buffer
functions, procfs information display, etc.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add ucontext/sigcontext definition and signal handling support for
LoongArch.
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add system call support and related uaccess.h for LoongArch.
Q: Why keep _ARCH_WANT_SYS_CLONE definition while there is clone3:
A: The latest glibc release has some basic support for clone3 but it is
not complete. E.g., pthread_create() and spawni() have converted to
use clone3 but fork() will still use clone. Moreover, some seccomp
related applications can still not work perfectly with clone3. E.g.,
Chromium sandbox cannot work at all and there is no solution for it,
which is more terrible than the fork() story [1].
[1] https://chromium-review.googlesource.com/c/chromium/src/+/2936184
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add memory management support for LoongArch, including: cache and tlb
management, page fault handling and ioremap/mmap support.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add process management support for LoongArch, including: thread info
definition, context switch and process tracing.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add the exception and interrupt handling machanism for basic LoongArch
support.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add basic boot, setup and reset routines for LoongArch. Now, LoongArch
machines use UEFI-based firmware. The firmware passes configuration
information to the kernel via ACPI and DMI/SMBIOS.
Currently an existing interface between the kernel and the bootloader
is implemented. Kernel gets 2 values from the bootloader, passed in
registers a0 and a1; a0 is an "EFI boot flag" distinguishing UEFI and
non-UEFI firmware, while a1 is a pointer to an FDT with systable,
memmap, cmdline and initrd information.
The standard UEFI boot protocol (EFISTUB) will be added later.
Cc: linux-efi@vger.kernel.org
Cc: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Co-developed-by: Yun Liu <liuyun@loongson.cn>
Signed-off-by: Yun Liu <liuyun@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Add some other common headers for basic LoongArch support.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
