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[ Upstream commit 1c56ab991903dce60e905a08f431c0e6f79b9b9e ]
The problem of long mount time caused by block group item search is
already known for some time, and the solution of block group tree has
been proposed.
There is really no need to bound this feature into extent tree v2, just
introduce compat RO flag, BLOCK_GROUP_TREE, to correctly solve the
problem.
All the code handling block group root is already in the upstream
kernel, thus this patch really only needs to introduce the new compat RO
flag.
This patch introduces one extra artificial limitation on block group
tree feature, that free space cache v2 and no-holes feature must be
enabled to use this new compat RO feature.
This artificial requirement is mostly to reduce the test combinations,
and can be a guideline for future features, to mostly rely on the latest
default features.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Stable-dep-of: 2ba48b20049b ("btrfs: fix compat_ro checks against remount")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit caf1aeaffc3b09649a56769e559333ae2c4f1802 upstream.
We can have dependencies between epoll and io_uring. Consider an epoll
context, identified by the epfd file descriptor, and an io_uring file
descriptor identified by iofd. If we add iofd to the epfd context, and
arm a multishot poll request for epfd with iofd, then the multishot
poll request will repeatedly trigger and generate events until terminated
by CQ ring overflow. This isn't a desired behavior.
Add EPOLL_URING so that io_uring can pass it in as part of the poll wakeup
key, and io_uring can check for that to detect a potential recursive
invocation.
Cc: stable@vger.kernel.org # 6.0
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit dc901d98b1fe6e52ab81cd3e0879379168e06daa ]
The crc_val in the completion record should be 64 bits and not 32 bits.
Fixes: 4ac823e9cd85 ("dmaengine: idxd: fix delta_rec and crc size field for completion record")
Reported-by: Nirav N Shah <nirav.n.shah@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20221111012715.2031481-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit defbab270d45e32b068e7e73c3567232d745c60f ]
Commit bc27fb68aaad ("include/uapi/linux/byteorder, swab: force inlining
of some byteswap operations") added __always_inline to swab functions
and commit 283d75737837 ("uapi/linux/stddef.h: Provide __always_inline to
userspace headers") added a definition of __always_inline for use in
exported headers when the kernel's compiler.h is not available.
However, since swab.h does not include stddef.h, if the header soup does
not indirectly include it, the definition of __always_inline is missing,
resulting in a compilation failure, which was observed compiling the
perf tool using exported headers containing this commit:
In file included from /usr/include/linux/byteorder/little_endian.h:12:0,
from /usr/include/asm/byteorder.h:14,
from tools/include/uapi/linux/perf_event.h:20,
from perf.h:8,
from builtin-bench.c:18:
/usr/include/linux/swab.h:160:8: error: unknown type name `__always_inline'
static __always_inline __u16 __swab16p(const __u16 *p)
Fix this by replacing the inclusion of linux/compiler.h with
linux/stddef.h to ensure that we pick up that definition if required,
without relying on it's indirect inclusion. compiler.h is then included
indirectly, via stddef.h.
Fixes: 283d75737837 ("uapi/linux/stddef.h: Provide __always_inline to userspace headers")
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Petr Vaněk <arkamar@atlas.cz>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 986d93f55bdeab1cac858d1e47b41fac10b2d7f6 ]
Shifting signed 32-bit value by 31 bits is undefined, so changing
significant bit to unsigned. The UBSAN warning calltrace like below:
UBSAN: shift-out-of-bounds in kernel/auditfilter.c:179:23
left shift of 1 by 31 places cannot be represented in type 'int'
Call Trace:
<TASK>
dump_stack_lvl+0x7d/0xa5
dump_stack+0x15/0x1b
ubsan_epilogue+0xe/0x4e
__ubsan_handle_shift_out_of_bounds+0x1e7/0x20c
audit_register_class+0x9d/0x137
audit_classes_init+0x4d/0xb8
do_one_initcall+0x76/0x430
kernel_init_freeable+0x3b3/0x422
kernel_init+0x24/0x1e0
ret_from_fork+0x1f/0x30
</TASK>
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
[PM: remove bad 'Fixes' tag as issue predates git, added in v2.6.6-rc1]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 58e0be1ef6118c5352b56a4d06e974c5599993a5 ]
kernel test robot reported warnings when build bonding module with
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/bonding/:
from ../drivers/net/bonding/bond_main.c:35:
In function ‘fortify_memcpy_chk’,
inlined from ‘iph_to_flow_copy_v4addrs’ at ../include/net/ip.h:566:2,
inlined from ‘bond_flow_ip’ at ../drivers/net/bonding/bond_main.c:3984:3:
../include/linux/fortify-string.h:413:25: warning: call to ‘__read_overflow2_field’ declared with attribute warning: detected read beyond size of f
ield (2nd parameter); maybe use struct_group()? [-Wattribute-warning]
413 | __read_overflow2_field(q_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function ‘fortify_memcpy_chk’,
inlined from ‘iph_to_flow_copy_v6addrs’ at ../include/net/ipv6.h:900:2,
inlined from ‘bond_flow_ip’ at ../drivers/net/bonding/bond_main.c:3994:3:
../include/linux/fortify-string.h:413:25: warning: call to ‘__read_overflow2_field’ declared with attribute warning: detected read beyond size of f
ield (2nd parameter); maybe use struct_group()? [-Wattribute-warning]
413 | __read_overflow2_field(q_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This is because we try to copy the whole ip/ip6 address to the flow_key,
while we only point the to ip/ip6 saddr. Note that since these are UAPI
headers, __struct_group() is used to avoid the compiler warnings.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: c3f8324188fa ("net: Add full IPv6 addresses to flow_keys")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20221115142400.1204786-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Addressing
commit 0ec8ce07394442d722806fe61b901a5b2b17249d upstream.
When the idxd_user_drv driver is bound to a Work Queue (WQ) device
without IOMMU or with IOMMU Passthrough without Shared Virtual
Addressing (SVA), the application gains direct access to physical
memory via the device by programming physical address to a submitted
descriptor. This allows direct userspace read and write access to
arbitrary physical memory. This is inconsistent with the security
goals of a good kernel API.
Unlike vfio_pci driver, the IDXD char device driver does not provide any
ways to pin user pages and translate the address from user VA to IOVA or
PA without IOMMU SVA. Therefore the application has no way to instruct the
device to perform DMA function. This makes the char device not usable for
normal application usage.
Since user type WQ without SVA cannot be used for normal application usage
and presents the security issue, bind idxd_user_drv driver and enable user
type WQ only when SVA is enabled (i.e. user PASID is enabled).
Fixes: 448c3de8ac83 ("dmaengine: idxd: create user driver for wq 'device'")
Cc: stable@vger.kernel.org
Suggested-by: Arjan Van De Ven <arjan.van.de.ven@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20221014222541.3912195-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 46653972e3ea64f79e7f8ae3aa41a4d3fdb70a13 ]
Shifting signed 32-bit value by 31 bits is undefined, so changing
significant bit to unsigned. The UBSAN warning calltrace like below:
UBSAN: shift-out-of-bounds in security/commoncap.c:1252:2
left shift of 1 by 31 places cannot be represented in type 'int'
Call Trace:
<TASK>
dump_stack_lvl+0x7d/0xa5
dump_stack+0x15/0x1b
ubsan_epilogue+0xe/0x4e
__ubsan_handle_shift_out_of_bounds+0x1e7/0x20c
cap_task_prctl+0x561/0x6f0
security_task_prctl+0x5a/0xb0
__x64_sys_prctl+0x61/0x8f0
do_syscall_64+0x58/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
</TASK>
Fixes: e338d263a76a ("Add 64-bit capability support to the kernel")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Acked-by: Andrew G. Morgan <morgan@kernel.org>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8da7f0976b9071b528c545008de9d10cc81883b1 ]
If it is a progressive (non-interlaced) format, then ignore the
interlaced timing values.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 7f68127fa11f ([media] videodev2.h: defines to calculate blanking and frame sizes)
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0e426a3ae030a9e891899370229e117158b35de6 ]
Attach flags is only valid for attached progs of this layer cgroup,
but not for effective progs. For querying with EFFECTIVE flags,
exporting attach flags does not make sense. So when effective query,
we reject prog_attach_flags array and don't need to populate it.
Also we limit attach_flags to output 0 during effective query.
Fixes: b79c9fc9551b ("bpf: implement BPF_PROG_QUERY for BPF_LSM_CGROUP")
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/r/20220921104604.2340580-2-pulehui@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This change adds support for not enabling carrier during TUNSETIFF
interface creation by specifying the IFF_NO_CARRIER flag.
Our tests make heavy use of tun interfaces. In some scenarios, the test
process creates the interface but another process brings it up after the
interface is discovered via netlink notification. In that case, it is
not possible to create a tun/tap interface with carrier off without it
racing against the bring up. Immediately setting carrier off via
TUNSETCARRIER is still too late.
Signed-off-by: Patrick Rohr <prohr@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Maciej Żenczykowski <maze@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull io_uring fixes from Jens Axboe:
- A single fix for over-eager retries for networking (Pavel)
- Revert the notification slot support for zerocopy sends.
It turns out that even after more than a year or development and
testing, there's not full agreement on whether just using plain
ordered notifications is Good Enough to avoid the complexity of using
the notifications slots. Because of that, we decided that it's best
left to a future final decision.
We can always bring back this feature, but we can't really change it
or remove it once we've released 6.0 with it enabled. The reverts
leave the usual CQE notifications as the primary interface for
knowing when data was sent, and when it was acked. (Pavel)
* tag 'io_uring-6.0-2022-09-02' of git://git.kernel.dk/linux-block:
selftests/net: return back io_uring zc send tests
io_uring/net: simplify zerocopy send user API
io_uring/notif: remove notif registration
Revert "io_uring: rename IORING_OP_FILES_UPDATE"
Revert "io_uring: add zc notification flush requests"
selftests/net: temporarily disable io_uring zc test
io_uring/net: fix overexcessive retries
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth, bpf and wireless.
Current release - regressions:
- bpf:
- fix wrong last sg check in sk_msg_recvmsg()
- fix kernel BUG in purge_effective_progs()
- mac80211:
- fix possible leak in ieee80211_tx_control_port()
- potential NULL dereference in ieee80211_tx_control_port()
Current release - new code bugs:
- nfp: fix the access to management firmware hanging
Previous releases - regressions:
- ip: fix triggering of 'icmp redirect'
- sched: tbf: don't call qdisc_put() while holding tree lock
- bpf: fix corrupted packets for XDP_SHARED_UMEM
- bluetooth: hci_sync: fix suspend performance regression
- micrel: fix probe failure
Previous releases - always broken:
- tcp: make global challenge ack rate limitation per net-ns and
default disabled
- tg3: fix potential hang-up on system reboot
- mac802154: fix reception for no-daddr packets
Misc:
- r8152: add PID for the lenovo onelink+ dock"
* tag 'net-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (56 commits)
net/smc: Remove redundant refcount increase
Revert "sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb"
tcp: make global challenge ack rate limitation per net-ns and default disabled
tcp: annotate data-race around challenge_timestamp
net: dsa: hellcreek: Print warning only once
ip: fix triggering of 'icmp redirect'
sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb
selftests: net: sort .gitignore file
Documentation: networking: correct possessive "its"
kcm: fix strp_init() order and cleanup
mlxbf_gige: compute MDIO period based on i1clk
ethernet: rocker: fix sleep in atomic context bug in neigh_timer_handler
net: lan966x: improve error handle in lan966x_fdma_rx_get_frame()
nfp: fix the access to management firmware hanging
net: phy: micrel: Make the GPIO to be non-exclusive
net: virtio_net: fix notification coalescing comments
net/sched: fix netdevice reference leaks in attach_default_qdiscs()
net: sched: tbf: don't call qdisc_put() while holding tree lock
net: Use u64_stats_fetch_begin_irq() for stats fetch.
net: dsa: xrs700x: Use irqsave variant for u64 stats update
...
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Following user feedback, this patch simplifies zerocopy send API. One of
the main complaints is that the current API is difficult with the
userspace managing notification slots, and then send retries with error
handling make it even worse.
Instead of keeping notification slots change it to the per-request
notifications model, which posts both completion and notification CQEs
for each request when any data has been sent, and only one CQE if it
fails. All notification CQEs will have IORING_CQE_F_NOTIF set and
IORING_CQE_F_MORE in completion CQEs indicates whether to wait a
notification or not.
IOSQE_CQE_SKIP_SUCCESS is disallowed with zerocopy sends for now.
This is less flexible, but greatly simplifies the user API and also the
kernel implementation. We reuse notif helpers in this patch, but in the
future there won't be need for keeping two requests.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/95287640ab98fc9417370afb16e310677c63e6ce.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We're going to remove the userspace exposed zerocopy notification API,
remove notification registration.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/6ff00b97be99869c386958a990593c9c31cf105b.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit 4379d5f15b3fd4224c37841029178aa8082a242e.
We removed notification flushing, also cleanup uapi preparation changes
to not pollute it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/89edc3905350f91e1b6e26d9dbf42ee44fd451a2.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit 492dddb4f6e3a5839c27d41ff1fecdbe6c3ab851.
Soon we won't have the very notion of notification flushing, so remove
notification flushing requests.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8850334ca56e65b413cb34fd158db81d7b2865a3.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Fix wording in comments for the notifications coalescing feature.
Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20220823073947.14774-1-alvaro.karsz@solid-run.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull io_uring fixes from Jens Axboe:
- Add missing header file to the MAINTAINERS entry for io_uring (Ammar)
- liburing and the kernel ship the same io_uring.h header, but one
change we've had for a long time only in liburing is to ensure it's
C++ safe. Add extern C around it, so we can more easily sync them in
the future (Ammar)
- Fix an off-by-one in the sync cancel added in this merge window (me)
- Error handling fix for passthrough (Kanchan)
- Fix for address saving for async execution for the zc tx support
(Pavel)
- Fix ordering for TCP zc notifications, so we always have them ordered
correctly between "data was sent" and "data was acked". This isn't
strictly needed with the notification slots, but we've been pondering
disabling the slot support for 6.0 - and if we do, then we do require
the ordering to be sane. Regardless of that, it's the sane thing to
do in terms of API (Pavel)
- Minor cleanup for indentation and lockdep annotation (Pavel)
* tag 'io_uring-6.0-2022-08-26' of git://git.kernel.dk/linux-block:
io_uring/net: save address for sendzc async execution
io_uring: conditional ->async_data allocation
io_uring/notif: order notif vs send CQEs
io_uring/net: fix indentation
io_uring/net: fix zc send link failing
io_uring/net: fix must_hold annotation
io_uring: fix submission-failure handling for uring-cmd
io_uring: fix off-by-one in sync cancelation file check
io_uring: uapi: Add `extern "C"` in io_uring.h for liburing
MAINTAINERS: Add `include/linux/io_uring_types.h`
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Daniel borkmann says:
====================
The following pull-request contains BPF updates for your *net* tree.
We've added 11 non-merge commits during the last 14 day(s) which contain
a total of 13 files changed, 61 insertions(+), 24 deletions(-).
The main changes are:
1) Fix BPF verifier's precision tracking around BPF ring buffer, from Kumar Kartikeya Dwivedi.
2) Fix regression in tunnel key infra when passing FLOWI_FLAG_ANYSRC, from Eyal Birger.
3) Fix insufficient permissions for bpf_sys_bpf() helper, from YiFei Zhu.
4) Fix splat from hitting BUG when purging effective cgroup programs, from Pu Lehui.
5) Fix range tracking for array poke descriptors, from Daniel Borkmann.
6) Fix corrupted packets for XDP_SHARED_UMEM in aligned mode, from Magnus Karlsson.
7) Fix NULL pointer splat in BPF sockmap sk_msg_recvmsg(), from Liu Jian.
8) Add READ_ONCE() to bpf_jit_limit when reading from sysctl, from Kuniyuki Iwashima.
9) Add BPF selftest lru_bug check to s390x deny list, from Daniel Müller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2022-08-24
1) Fix a refcount leak in __xfrm_policy_check.
From Xin Xiong.
2) Revert "xfrm: update SA curlft.use_time". This
violates RFC 2367. From Antony Antony.
3) Fix a comment on XFRMA_LASTUSED.
From Antony Antony.
4) x->lastused is not cloned in xfrm_do_migrate.
Fix from Antony Antony.
5) Serialize the calls to xfrm_probe_algs.
From Herbert Xu.
6) Fix a null pointer dereference of dst->dev on a metadata
dst in xfrm_lookup_with_ifid. From Nikolay Aleksandrov.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make it easy for liburing to integrate uapi header with the kernel.
Previously, when this header changes, the liburing side can't directly
copy this header file due to some small differences. Sync them.
Link: https://lore.kernel.org/io-uring/f1feef16-6ea2-0653-238f-4aaee35060b6@kernel.dk
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Dylan Yudaken <dylany@fb.com>
Cc: Facebook Kernel Team <kernel-team@fb.com>
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Partially revert 94dfc73e7cf4 ("treewide: uapi: Replace zero-length arrays
with flexible-array members") given it breaks BPF UAPI.
For example, BPF CI run reveals build breakage under LLVM:
[...]
CLNG-BPF [test_maps] map_ptr_kern.o
CLNG-BPF [test_maps] btf__core_reloc_arrays___diff_arr_val_sz.o
CLNG-BPF [test_maps] test_bpf_cookie.o
progs/map_ptr_kern.c:314:26: error: field 'trie_key' with variable sized type 'struct bpf_lpm_trie_key' not at the end of a struct or class is a GNU extension [-Werror,-Wgnu-variable-sized-type-not-at-end]
struct bpf_lpm_trie_key trie_key;
^
CLNG-BPF [test_maps] btf__core_reloc_type_based___diff.o
1 error generated.
make: *** [Makefile:521: /tmp/runner/work/bpf/bpf/tools/testing/selftests/bpf/map_ptr_kern.o] Error 1
make: *** Waiting for unfinished jobs....
[...]
Typical usage of the bpf_lpm_trie_key is that the struct gets embedded into
a user defined key for the LPM BPF map, from the selftest example:
struct bpf_lpm_trie_key { <-- UAPI exported struct
__u32 prefixlen;
__u8 data[];
};
struct lpm_key { <-- BPF program defined struct
struct bpf_lpm_trie_key trie_key;
__u32 data;
};
Undo this for BPF until a different solution can be found. It's the only flexible-
array member case in the UAPI header.
This was discovered in BPF CI after Dave reported that the include/uapi/linux/bpf.h
header was out of sync with tools/include/uapi/linux/bpf.h after 94dfc73e7cf4. And
the subsequent sync attempt failed CI.
Fixes: 94dfc73e7cf4 ("treewide: uapi: Replace zero-length arrays with flexible-array members")
Reported-by: Dave Marchevsky <davemarchevsky@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/bpf/22aebc88-da67-f086-e620-dd4a16e2bc69@iogearbox.net
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Fix variable names in some kerneldocs, naming in others.
Add kerneldocs for struct vring_desc and vring_interrupt.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Message-Id: <20220810094004.1250-2-ricardo.canuelo@collabora.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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Pull virtio updates from Michael Tsirkin:
- A huge patchset supporting vq resize using the new vq reset
capability
- Features, fixes, and cleanups all over the place
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (88 commits)
vdpa/mlx5: Fix possible uninitialized return value
vdpa_sim_blk: add support for discard and write-zeroes
vdpa_sim_blk: add support for VIRTIO_BLK_T_FLUSH
vdpa_sim_blk: make vdpasim_blk_check_range usable by other requests
vdpa_sim_blk: check if sector is 0 for commands other than read or write
vdpa_sim: Implement suspend vdpa op
vhost-vdpa: uAPI to suspend the device
vhost-vdpa: introduce SUSPEND backend feature bit
vdpa: Add suspend operation
virtio-blk: Avoid use-after-free on suspend/resume
virtio_vdpa: support the arg sizes of find_vqs()
vhost-vdpa: Call ida_simple_remove() when failed
vDPA: fix 'cast to restricted le16' warnings in vdpa.c
vDPA: !FEATURES_OK should not block querying device config space
vDPA/ifcvf: support userspace to query features and MQ of a management device
vDPA/ifcvf: get_config_size should return a value no greater than dev implementation
vhost scsi: Allow user to control num virtqueues
vhost-scsi: Fix max number of virtqueues
vdpa/mlx5: Support different address spaces for control and data
vdpa/mlx5: Implement susupend virtqueue callback
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf, can and netfilter.
A little larger than usual but it's all fixes, no late features. It's
large partially because of timing, and partially because of follow ups
to stuff that got merged a week or so before the merge window and
wasn't as widely tested. Maybe the Bluetooth fixes are a little
alarming so we'll address that, but the rest seems okay and not scary.
Notably we're including a fix for the netfilter Kconfig [1], your WiFi
warning [2] and a bluetooth fix which should unblock syzbot [3].
Current release - regressions:
- Bluetooth:
- don't try to cancel uninitialized works [3]
- L2CAP: fix use-after-free caused by l2cap_chan_put
- tls: rx: fix device offload after recent rework
- devlink: fix UAF on failed reload and leftover locks in mlxsw
Current release - new code bugs:
- netfilter:
- flowtable: fix incorrect Kconfig dependencies [1]
- nf_tables: fix crash when nf_trace is enabled
- bpf:
- use proper target btf when exporting attach_btf_obj_id
- arm64: fixes for bpf trampoline support
- Bluetooth:
- ISO: unlock on error path in iso_sock_setsockopt()
- ISO: fix info leak in iso_sock_getsockopt()
- ISO: fix iso_sock_getsockopt for BT_DEFER_SETUP
- ISO: fix memory corruption on iso_pinfo.base
- ISO: fix not using the correct QoS
- hci_conn: fix updating ISO QoS PHY
- phy: dp83867: fix get nvmem cell fail
Previous releases - regressions:
- wifi: cfg80211: fix validating BSS pointers in
__cfg80211_connect_result [2]
- atm: bring back zatm uAPI after ATM had been removed
- properly fix old bug making bonding ARP monitor mode not being able
to work with software devices with lockless Tx
- tap: fix null-deref on skb->dev in dev_parse_header_protocol
- revert "net: usb: ax88179_178a needs FLAG_SEND_ZLP" it helps some
devices and breaks others
- netfilter:
- nf_tables: many fixes rejecting cross-object linking which may
lead to UAFs
- nf_tables: fix null deref due to zeroed list head
- nf_tables: validate variable length element extension
- bgmac: fix a BUG triggered by wrong bytes_compl
- bcmgenet: indicate MAC is in charge of PHY PM
Previous releases - always broken:
- bpf:
- fix bad pointer deref in bpf_sys_bpf() injected via test infra
- disallow non-builtin bpf programs calling the prog_run command
- don't reinit map value in prealloc_lru_pop
- fix UAFs during the read of map iterator fd
- fix invalidity check for values in sk local storage map
- reject sleepable program for non-resched map iterator
- mptcp:
- move subflow cleanup in mptcp_destroy_common()
- do not queue data on closed subflows
- virtio_net: fix memory leak inside XDP_TX with mergeable
- vsock: fix memory leak when multiple threads try to connect()
- rework sk_user_data sharing to prevent psock leaks
- geneve: fix TOS inheriting for ipv4
- tunnels & drivers: do not use RT_TOS for IPv6 flowlabel
- phy: c45 baset1: do not skip aneg configuration if clock role is
not specified
- rose: avoid overflow when /proc displays timer information
- x25: fix call timeouts in blocking connects
- can: mcp251x: fix race condition on receive interrupt
- can: j1939:
- replace user-reachable WARN_ON_ONCE() with netdev_warn_once()
- fix memory leak of skbs in j1939_session_destroy()
Misc:
- docs: bpf: clarify that many things are not uAPI
- seg6: initialize induction variable to first valid array index (to
silence clang vs objtool warning)
- can: ems_usb: fix clang 14's -Wunaligned-access warning"
* tag 'net-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (117 commits)
net: atm: bring back zatm uAPI
dpaa2-eth: trace the allocated address instead of page struct
net: add missing kdoc for struct genl_multicast_group::flags
nfp: fix use-after-free in area_cache_get()
MAINTAINERS: use my korg address for mt7601u
mlxsw: minimal: Fix deadlock in ports creation
bonding: fix reference count leak in balance-alb mode
net: usb: qmi_wwan: Add support for Cinterion MV32
bpf: Shut up kern_sys_bpf warning.
net/tls: Use RCU API to access tls_ctx->netdev
tls: rx: device: don't try to copy too much on detach
tls: rx: device: bound the frag walk
net_sched: cls_route: remove from list when handle is 0
selftests: forwarding: Fix failing tests with old libnet
net: refactor bpf_sk_reuseport_detach()
net: fix refcount bug in sk_psock_get (2)
selftests/bpf: Ensure sleepable program is rejected by hash map iter
selftests/bpf: Add write tests for sk local storage map iterator
selftests/bpf: Add tests for reading a dangling map iter fd
bpf: Only allow sleepable program for resched-able iterator
...
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Jiri reports that linux-atm does not build without this header.
Bring it back. It's completely dead code but we can't break
the build for user space :(
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Fixes: 052e1f01bfae ("net: atm: remove support for ZeitNet ZN122x ATM devices")
Link: https://lore.kernel.org/all/8576aef3-37e4-8bae-bab5-08f82a78efd3@kernel.org/
Link: https://lore.kernel.org/r/20220810164547.484378-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The ioctl adds support for suspending the device from userspace.
This is a must before getting virtqueue indexes (base) for live migration,
since the device could modify them after userland gets them. There are
individual ways to perform that action for some devices
(VHOST_NET_SET_BACKEND, VHOST_VSOCK_SET_RUNNING, ...) but there was no
way to perform it for any vhost device (and, in particular, vhost-vdpa).
After a successful return of the ioctl call the device must not process
more virtqueue descriptors. The device can answer to read or writes of
config fields as if it were not suspended. In particular, writing to
"queue_enable" with a value of 1 will not make the device start
processing buffers of the virtqueue.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20220810171512.2343333-4-eperezma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Userland knows if it can suspend the device or not by checking this feature
bit.
It's only offered if the vdpa driver backend implements the suspend()
operation callback, and to offer it or userland to ack it if the backend
does not offer that callback is an error.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20220810171512.2343333-3-eperezma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This introduces a new ioctl: VDUSE_IOTLB_GET_INFO to
support querying some information of IOVA regions.
Now it can be used to query whether the IOVA region
supports userspace memory registration.
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Message-Id: <20220803045523.23851-6-xieyongji@bytedance.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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Introduce two ioctls: VDUSE_IOTLB_REG_UMEM and
VDUSE_IOTLB_DEREG_UMEM to support registering
and de-registering userspace memory for IOVA
regions.
Now it only supports registering userspace memory
for bounce buffer region in virtio-vdpa case.
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220803045523.23851-5-xieyongji@bytedance.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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New VirtIO network feature: VIRTIO_NET_F_NOTF_COAL.
Control a Virtio network device notifications coalescing parameters
using the control virtqueue.
A device that supports this fetature can receive
VIRTIO_NET_CTRL_NOTF_COAL control commands.
- VIRTIO_NET_CTRL_NOTF_COAL_TX_SET:
Ask the network device to change the following parameters:
- tx_usecs: Maximum number of usecs to delay a TX notification.
- tx_max_packets: Maximum number of packets to send before a
TX notification.
- VIRTIO_NET_CTRL_NOTF_COAL_RX_SET:
Ask the network device to change the following parameters:
- rx_usecs: Maximum number of usecs to delay a RX notification.
- rx_max_packets: Maximum number of packets to receive before a
RX notification.
VirtIO spec. patch:
https://lists.oasis-open.org/archives/virtio-comment/202206/msg00100.html
Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20220718091102.498774-1-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Jason Wang <jasowang@redhat.com>
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Add queue_reset in virtio_pci_modern_common_cfg.
https://github.com/oasis-tcs/virtio-spec/issues/124
https://github.com/oasis-tcs/virtio-spec/issues/139
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-30-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Added VIRTIO_F_RING_RESET, it came from here
https://github.com/oasis-tcs/virtio-spec/issues/124
https://github.com/oasis-tcs/virtio-spec/issues/139
This feature indicates that the driver can reset a queue individually.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-28-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Add queue_notify_data in struct virtio_pci_common_cfg, which comes from
here https://github.com/oasis-tcs/virtio-spec/issues/89
In order not to affect the API, add a dedicated structure struct
virtio_pci_modern_common_cfg to virtio_pci_modern.h.
Since I want to add queue_reset after queue_notify_data, I submitted
this patch first.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-26-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Pull cxl updates from Dan Williams:
"Compute Express Link (CXL) updates for 6.0:
- Introduce a 'struct cxl_region' object with support for
provisioning and assembling persistent memory regions.
- Introduce alloc_free_mem_region() to accompany the existing
request_free_mem_region() as a method to allocate physical memory
capacity out of an existing resource.
- Export insert_resource_expand_to_fit() for the CXL subsystem to
late-publish CXL platform windows in iomem_resource.
- Add a polled mode PCI DOE (Data Object Exchange) driver service and
use it in cxl_pci to retrieve the CDAT (Coherent Device Attribute
Table)"
* tag 'cxl-for-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (74 commits)
cxl/hdm: Fix skip allocations vs multiple pmem allocations
cxl/region: Disallow region granularity != window granularity
cxl/region: Fix x1 interleave to greater than x1 interleave routing
cxl/region: Move HPA setup to cxl_region_attach()
cxl/region: Fix decoder interleave programming
Documentation: cxl: remove dangling kernel-doc reference
cxl/region: describe targets and nr_targets members of cxl_region_params
cxl/regions: add padding for cxl_rr_ep_add nested lists
cxl/region: Fix IS_ERR() vs NULL check
cxl/region: Fix region reference target accounting
cxl/region: Fix region commit uninitialized variable warning
cxl/region: Fix port setup uninitialized variable warnings
cxl/region: Stop initializing interleave granularity
cxl/hdm: Fix DPA reservation vs cxl_endpoint_decoder lifetime
cxl/acpi: Minimize granularity for x1 interleaves
cxl/region: Delete 'region' attribute from root decoders
cxl/acpi: Autoload driver for 'cxl_acpi' test devices
cxl/region: decrement ->nr_targets on error in cxl_region_attach()
cxl/region: prevent underflow in ways_to_cxl()
cxl/region: uninitialized variable in alloc_hpa()
...
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Commit 50a896cf2d6f ("genetlink: properly support per-op policy dumping")
seems to have copy'n'pasted things a little incorrectly.
The #define CTRL_ATTR_MCAST_GRP_MAX should have stayed right
after the previous enum. The new CTRL_ATTR_POLICY_* needs
its own define for MAX and that max should not contain the
superfluous _DUMP in the name.
We probably can't do anything about the CTRL_ATTR_POLICY_DUMP_MAX
any more, there's likely code which uses it. For consistency
(*cough* codegen *cough*) let's add the correctly name define
nonetheless.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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s/_IPT_LOG_H/_IP6T_LOG_H/
While at it add some surrounding space to ease reading.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial driver updates from Greg KH:
"Here is the big set of tty and serial driver changes for 6.0-rc1.
It was delayed from last week as I wanted to make sure the last commit
here got some good testing in linux-next and elsewhere as it seemed to
show up only late in testing for some reason.
Nothing major here, just lots of cleanups from Jiri and Ilpo to make
the tty core cleaner (Jiri) and the rs485 code simpler to use (Ilpo).
Also included in here is the obligatory n_gsm updates from Daniel
Starke and lots of tiny driver updates and minor fixes and tweaks for
other smaller serial drivers.
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (186 commits)
tty: serial: qcom-geni-serial: Fix %lu -> %u in print statements
tty: amiserial: Fix comment typo
tty: serial: document uart_get_console()
tty: serial: serial_core, reformat kernel-doc for functions
Documentation: serial: link uart_ops properly
Documentation: serial: move GPIO kernel-doc to the functions
Documentation: serial: dedup kernel-doc for uart functions
Documentation: serial: move uart_ops documentation to the struct
dt-bindings: serial: snps-dw-apb-uart: Document Rockchip RV1126
serial: mvebu-uart: uart2 error bits clearing
tty: serial: fsl_lpuart: correct the count of break characters
serial: stm32: make info structs static to avoid sparse warnings
serial: fsl_lpuart: zero out parity bit in CS7 mode
tty: serial: qcom-geni-serial: Fix get_clk_div_rate() which otherwise could return a sub-optimal clock rate.
serial: 8250_bcm2835aux: Add missing clk_disable_unprepare()
tty: vt: initialize unicode screen buffer
serial: remove VR41XX serial driver
serial: 8250: lpc18xx: Remove redundant sanity check for RS485 flags
serial: 8250_dwlib: remove redundant sanity check for RS485 flags
dt_bindings: rs485: Correct delay values
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, we mainly fixed some corner cases that manipulate a
per-file compression flag inappropriately. And, we found f2fs counted
valid blocks in a section incorrectly when zone capacity is set, and
thus, fixed it with additional sysfs entry to check it easily.
Lastly, this series includes several patches with respect to the new
atomic write support such as a couple of bug fixes and re-adding
atomic_write_abort support that we removed by mistake in the previous
release.
Enhancements:
- add sysfs entries to understand atomic write operations and zone
capacity
- introduce memory mode to get a hint for low-memory devices
- adjust the waiting time of foreground GC
- decompress clusters under softirq to avoid non-deterministic
latency
- do not skip updating inode when retrying to flush node page
- enforce single zone capacity
Bug fixes:
- set the compression/no-compression flags correctly
- revive F2FS_IOC_ABORT_VOLATILE_WRITE
- check inline_data during compressed inode conversion
- understand zone capacity when calculating valid block count
As usual, the series includes several minor clean-ups and sanity
checks"
* tag 'f2fs-for-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (29 commits)
f2fs: use onstack pages instead of pvec
f2fs: intorduce f2fs_all_cluster_page_ready
f2fs: clean up f2fs_abort_atomic_write()
f2fs: handle decompress only post processing in softirq
f2fs: do not allow to decompress files have FI_COMPRESS_RELEASED
f2fs: do not set compression bit if kernel doesn't support
f2fs: remove device type check for direct IO
f2fs: fix null-ptr-deref in f2fs_get_dnode_of_data
f2fs: revive F2FS_IOC_ABORT_VOLATILE_WRITE
f2fs: fix to do sanity check on segment type in build_sit_entries()
f2fs: obsolete unused MAX_DISCARD_BLOCKS
f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page()
f2fs: fix to remove F2FS_COMPR_FL and tag F2FS_NOCOMP_FL at the same time
f2fs: introduce sysfs atomic write statistics
f2fs: don't bother wait_ms by foreground gc
f2fs: invalidate meta pages only for post_read required inode
f2fs: allow compression of files without blocks
f2fs: fix to check inline_data during compressed inode conversion
f2fs: Delete f2fs_copy_page() and replace with memcpy_page()
f2fs: fix to invalidate META_MAPPING before DIO write
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc updates from Andrew Morton:
"Updates to various subsystems which I help look after. lib, ocfs2,
fatfs, autofs, squashfs, procfs, etc. A relatively small amount of
material this time"
* tag 'mm-nonmm-stable-2022-08-06-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (72 commits)
scripts/gdb: ensure the absolute path is generated on initial source
MAINTAINERS: kunit: add David Gow as a maintainer of KUnit
mailmap: add linux.dev alias for Brendan Higgins
mailmap: update Kirill's email
profile: setup_profiling_timer() is moslty not implemented
ocfs2: fix a typo in a comment
ocfs2: use the bitmap API to simplify code
ocfs2: remove some useless functions
lib/mpi: fix typo 'the the' in comment
proc: add some (hopefully) insightful comments
bdi: remove enum wb_congested_state
kernel/hung_task: fix address space of proc_dohung_task_timeout_secs
lib/lzo/lzo1x_compress.c: replace ternary operator with min() and min_t()
squashfs: support reading fragments in readahead call
squashfs: implement readahead
squashfs: always build "file direct" version of page actor
Revert "squashfs: provide backing_dev_info in order to disable read-ahead"
fs/ocfs2: Fix spelling typo in comment
ia64: old_rr4 added under CONFIG_HUGETLB_PAGE
proc: fix test for "vsyscall=xonly" boot option
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Alexander Gordeev:
- Rework copy_oldmem_page() callback to take an iov_iter.
This includes a few prerequisite updates and fixes to the oldmem
reading code.
- Rework cpufeature implementation to allow for various CPU feature
indications, which is not only limited to hardware capabilities, but
also allows CPU facilities.
- Use the cpufeature rework to autoload Ultravisor module when CPU
facility 158 is available.
- Add ELF note type for encrypted CPU state of a protected virtual CPU.
The zgetdump tool from s390-tools package will decrypt the CPU state
using a Customer Communication Key and overwrite respective notes to
make the data accessible for crash and other debugging tools.
- Use vzalloc() instead of vmalloc() + memset() in ChaCha20 crypto
test.
- Fix incorrect recovery of kretprobe modified return address in
stacktrace.
- Switch the NMI handler to use generic irqentry_nmi_enter() and
irqentry_nmi_exit() helper functions.
- Rework the cryptographic Adjunct Processors (AP) pass-through design
to support dynamic changes to the AP matrix of a running guest as
well as to implement more of the AP architecture.
- Minor boot code cleanups.
- Grammar and typo fixes to hmcdrv and tape drivers.
* tag 's390-5.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (46 commits)
Revert "s390/smp: enforce lowcore protection on CPU restart"
Revert "s390/smp: rework absolute lowcore access"
Revert "s390/smp,ptdump: add absolute lowcore markers"
s390/unwind: fix fgraph return address recovery
s390/nmi: use irqentry_nmi_enter()/irqentry_nmi_exit()
s390: add ELF note type for encrypted CPU state of a PV VCPU
s390/smp,ptdump: add absolute lowcore markers
s390/smp: rework absolute lowcore access
s390/setup: rearrange absolute lowcore initialization
s390/boot: cleanup adjust_to_uv_max() function
s390/smp: enforce lowcore protection on CPU restart
s390/tape: fix comment typo
s390/hmcdrv: fix Kconfig "its" grammar
s390/docs: fix warnings for vfio_ap driver doc
s390/docs: fix warnings for vfio_ap driver lock usage doc
s390/crash: support multi-segment iterators
s390/crash: use static swap buffer for copy_to_user_real()
s390/crash: move copy_to_user_real() to crash_dump.c
s390/zcore: fix race when reading from hardware system area
s390/crash: fix incorrect number of bytes to copy to user space
...
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F2FS_IOC_ABORT_VOLATILE_WRITE was used to abort a atomic write before.
However it was removed accidentally. So revive it by changing the name,
since volatile write had gone.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Fiexes: 7bc155fec5b3("f2fs: kill volatile write support")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Pull block driver updates from Jens Axboe:
- NVMe pull requests via Christoph:
- add support for In-Band authentication (Hannes Reinecke)
- handle the persistent internal error AER (Michael Kelley)
- use in-capsule data for TCP I/O queue connect (Caleb Sander)
- remove timeout for getting RDMA-CM established event (Israel
Rukshin)
- misc cleanups (Joel Granados, Sagi Grimberg, Chaitanya Kulkarni,
Guixin Liu, Xiang wangx)
- use command_id instead of req->tag in trace_nvme_complete_rq()
(Bean Huo)
- various fixes for the new authentication code (Lukas Bulwahn,
Dan Carpenter, Colin Ian King, Chaitanya Kulkarni, Hannes
Reinecke)
- small cleanups (Liu Song, Christoph Hellwig)
- restore compat_ioctl support (Nick Bowler)
- make a nvmet-tcp workqueue lockdep-safe (Sagi Grimberg)
- enable generic interface (/dev/ngXnY) for unknown command sets
(Joel Granados, Christoph Hellwig)
- don't always build constants.o (Christoph Hellwig)
- print the command name of aborted commands (Christoph Hellwig)
- MD pull requests via Song:
- Improve raid5 lock contention, by Logan Gunthorpe.
- Misc fixes to raid5, by Logan Gunthorpe.
- Fix race condition with md_reap_sync_thread(), by Guoqing Jiang.
- Fix potential deadlock with raid5_quiesce and
raid5_get_active_stripe, by Logan Gunthorpe.
- Refactoring md_alloc(), by Christoph"
- Fix md disk_name lifetime problems, by Christoph Hellwig
- Convert prepare_to_wait() to wait_woken() api, by Logan
Gunthorpe;
- Fix sectors_to_do bitmap issue, by Logan Gunthorpe.
- Work on unifying the null_blk module parameters and configfs API
(Vincent)
- drbd bitmap IO error fix (Lars)
- Set of rnbd fixes (Guoqing, Md Haris)
- Remove experimental marker on bcache async device registration (Coly)
- Series from cleaning up the bio splitting (Christoph)
- Removal of the sx8 block driver. This hardware never really
widespread, and it didn't receive a lot of attention after the
initial merge of it back in 2005 (Christoph)
- A few fixes for s390 dasd (Eric, Jiang)
- Followup set of fixes for ublk (Ming)
- Support for UBLK_IO_NEED_GET_DATA for ublk (ZiyangZhang)
- Fixes for the dio dma alignment (Keith)
- Misc fixes and cleanups (Ming, Yu, Dan, Christophe
* tag 'for-5.20/block-2022-08-04' of git://git.kernel.dk/linux-block: (136 commits)
s390/dasd: Establish DMA alignment
s390/dasd: drop unexpected word 'for' in comments
ublk_drv: add support for UBLK_IO_NEED_GET_DATA
ublk_cmd.h: add one new ublk command: UBLK_IO_NEED_GET_DATA
ublk_drv: cleanup ublksrv_ctrl_dev_info
ublk_drv: add SET_PARAMS/GET_PARAMS control command
ublk_drv: fix ublk device leak in case that add_disk fails
ublk_drv: cancel device even though disk isn't up
block: fix leaking page ref on truncated direct io
block: ensure bio_iov_add_page can't fail
block: ensure iov_iter advances for added pages
drivers:md:fix a potential use-after-free bug
md/raid5: Ensure batch_last is released before sleeping for quiesce
md/raid5: Move stripe_request_ctx up
md/raid5: Drop unnecessary call to r5c_check_stripe_cache_usage()
md/raid5: Make is_inactive_blocked() helper
md/raid5: Refactor raid5_get_active_stripe()
block: pass struct queue_limits to the bio splitting helpers
block: move bio_allowed_max_sectors to blk-merge.c
block: move the call to get_max_io_size out of blk_bio_segment_split
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New support / Core:
- Remove DMA_MEMCPY_SG for lack of users
- Tegra 234 dmaengine support
- Mediatek MT8365 dma support
- Apple ADMAC driver
Updates:
- Yaml conversion for ST-Ericsson DMA40 binding and Freescale edma
- rz-dmac updates and device_synchronize support
- Bunch of typo in comments fixes in drivers
- multithread support in sf-pdma driver"
* tag 'dmaengine-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (50 commits)
dmaengine: mediatek: mtk-hsdma: Fix typo 'the the' in comment
dmaengine: axi-dmac: check cache coherency register
dmaengine: sh: rz-dmac: Add device_synchronize callback
dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed
dmaengine: tegra: Add terminate() for Tegra234
dt-bindings: dmaengine: Add compatible for Tegra234
dmaengine: xilinx: use strscpy to replace strlcpy
dmaengine: imx-sdma: Add FIFO stride support for multi FIFO script
dmaengine: idxd: Correct IAX operation code names
dmaengine: imx-dma: Cast of_device_get_match_data() with (uintptr_t)
dmaengine: dw-axi-dmac: ignore interrupt if no descriptor
dmaengine: dw-axi-dmac: do not print NULL LLI during error
dmaengine: altera-msgdma: Fixed some inconsistent function name descriptions
dmaengine: imx-sdma: Add missing struct documentation
dmaengine: sf-pdma: Add multithread support for a DMA channel
dt-bindings: dma: dw-axi-dmac: extend the number of interrupts
dmaengine: dmatest: use strscpy to replace strlcpy
dmaengine: ste_dma40: fix typo in comment
dmaengine: jz4780: fix typo in comment
dmaengine: s3c24xx: fix typo in comment
...
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Pull kvm updates from Paolo Bonzini:
"Quite a large pull request due to a selftest API overhaul and some
patches that had come in too late for 5.19.
ARM:
- Unwinder implementations for both nVHE modes (classic and
protected), complete with an overflow stack
- Rework of the sysreg access from userspace, with a complete rewrite
of the vgic-v3 view to allign with the rest of the infrastructure
- Disagregation of the vcpu flags in separate sets to better track
their use model.
- A fix for the GICv2-on-v3 selftest
- A small set of cosmetic fixes
RISC-V:
- Track ISA extensions used by Guest using bitmap
- Added system instruction emulation framework
- Added CSR emulation framework
- Added gfp_custom flag in struct kvm_mmu_memory_cache
- Added G-stage ioremap() and iounmap() functions
- Added support for Svpbmt inside Guest
s390:
- add an interface to provide a hypervisor dump for secure guests
- improve selftests to use TAP interface
- enable interpretive execution of zPCI instructions (for PCI
passthrough)
- First part of deferred teardown
- CPU Topology
- PV attestation
- Minor fixes
x86:
- Permit guests to ignore single-bit ECC errors
- Intel IPI virtualization
- Allow getting/setting pending triple fault with
KVM_GET/SET_VCPU_EVENTS
- PEBS virtualization
- Simplify PMU emulation by just using PERF_TYPE_RAW events
- More accurate event reinjection on SVM (avoid retrying
instructions)
- Allow getting/setting the state of the speaker port data bit
- Refuse starting the kvm-intel module if VM-Entry/VM-Exit controls
are inconsistent
- "Notify" VM exit (detect microarchitectural hangs) for Intel
- Use try_cmpxchg64 instead of cmpxchg64
- Ignore benign host accesses to PMU MSRs when PMU is disabled
- Allow disabling KVM's "MONITOR/MWAIT are NOPs!" behavior
- Allow NX huge page mitigation to be disabled on a per-vm basis
- Port eager page splitting to shadow MMU as well
- Enable CMCI capability by default and handle injected UCNA errors
- Expose pid of vcpu threads in debugfs
- x2AVIC support for AMD
- cleanup PIO emulation
- Fixes for LLDT/LTR emulation
- Don't require refcounted "struct page" to create huge SPTEs
- Miscellaneous cleanups:
- MCE MSR emulation
- Use separate namespaces for guest PTEs and shadow PTEs bitmasks
- PIO emulation
- Reorganize rmap API, mostly around rmap destruction
- Do not workaround very old KVM bugs for L0 that runs with nesting enabled
- new selftests API for CPUID
Generic:
- Fix races in gfn->pfn cache refresh; do not pin pages tracked by
the cache
- new selftests API using struct kvm_vcpu instead of a (vm, id)
tuple"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (606 commits)
selftests: kvm: set rax before vmcall
selftests: KVM: Add exponent check for boolean stats
selftests: KVM: Provide descriptive assertions in kvm_binary_stats_test
selftests: KVM: Check stat name before other fields
KVM: x86/mmu: remove unused variable
RISC-V: KVM: Add support for Svpbmt inside Guest/VM
RISC-V: KVM: Use PAGE_KERNEL_IO in kvm_riscv_gstage_ioremap()
RISC-V: KVM: Add G-stage ioremap() and iounmap() functions
KVM: Add gfp_custom flag in struct kvm_mmu_memory_cache
RISC-V: KVM: Add extensible CSR emulation framework
RISC-V: KVM: Add extensible system instruction emulation framework
RISC-V: KVM: Factor-out instruction emulation into separate sources
RISC-V: KVM: move preempt_disable() call in kvm_arch_vcpu_ioctl_run
RISC-V: KVM: Make kvm_riscv_guest_timer_init a void function
RISC-V: KVM: Fix variable spelling mistake
RISC-V: KVM: Improve ISA extension by using a bitmap
KVM, x86/mmu: Fix the comment around kvm_tdp_mmu_zap_leafs()
KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog
KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT
KVM: x86: Do not block APIC write for non ICR registers
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text.
Also included in here are a few other minor updates, two USB files,
and one Documentation file update to get the SPDX lines correct.
All of these have been in the linux-next tree for a very long time"
* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
Documentation: samsung-s3c24xx: Add blank line after SPDX directive
x86/crypto: Remove stray comment terminator
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of Thunderbolt and USB changes for 6.0-rc1.
Lots of little things here, nothing major, just constant development
on some new hardware support and cleanups of older drivers. Highlights
are:
- lots of typec changes and improvements for new hardware
- new gadget controller driver
- thunderbolt support for new hardware
- the normal set of new usb-serial device ids and cleanups
- loads of dwc3 controller fixes and improvements
- mtu3 driver updates
- testusb fixes for longtime issues (not many people use this tool it
seems.)
- minor driver fixes and improvements over the USB tree
- chromeos platform driver changes were added and then reverted as
they depened on some typec changes, but the cross-tree merges
caused problems so they will come back later through the platform
tree.
All of these have been in linux-next for a while now with no reported
issues"
* tag 'usb-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (193 commits)
usb: misc: onboard_usb_hub: Remove duplicated power_on delay
usb: misc: onboard_usb_hub: Add TI USB8041 hub support
usb: misc: onboard_usb_hub: Add reset-gpio support
USB: usbsevseg: convert sysfs snprintf to sysfs_emit
dt-bindings: usb: Add binding for TI USB8041 hub controller
ARM: multi_v7_defconfig: enable USB onboard HUB driver
ARM: dts: stm32: add support for USB2514B onboard hub on stm32mp15xx-dkx
usb: misc: onboard-hub: add support for Microchip USB2514B USB 2.0 hub
dt-bindings: usb: generic-ehci: allow usb-hcd schema properties
usb: typec: ucsi: stm32g0: add bootloader support
usb: typec: ucsi: stm32g0: add support for stm32g0 controller
dt-bindings: usb: typec: add bindings for stm32g0 controller
usb: typec: ucsi: Acknowledge the GET_ERROR_STATUS command completion
usb: cdns3: change place of 'priv_ep' assignment in cdns3_gadget_ep_dequeue(), cdns3_gadget_ep_enable()
usb/chipidea: fix repeated words in comments
usb: renesas-xhci: Do not print any log while fw verif success
usb: typec: retimer: Add missing id check in match callback
USB: xhci: Fix comment typo
usb/typec/tcpm: fix repeated words in comments
usb/musb: fix repeated words in comments
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the large set of char and misc and other driver subsystem
changes for 6.0-rc1.
Highlights include:
- large set of IIO driver updates, additions, and cleanups
- new habanalabs device support added (loads of register maps much
like GPUs have)
- soundwire driver updates
- phy driver updates
- slimbus driver updates
- tiny virt driver fixes and updates
- misc driver fixes and updates
- interconnect driver updates
- hwtracing driver updates
- fpga driver updates
- extcon driver updates
- firmware driver updates
- counter driver update
- mhi driver fixes and updates
- binder driver fixes and updates
- speakup driver fixes
All of these have been in linux-next for a while without any reported
problems"
* tag 'char-misc-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (634 commits)
drivers: lkdtm: fix clang -Wformat warning
char: remove VR41XX related char driver
misc: Mark MICROCODE_MINOR unused
spmi: trace: fix stack-out-of-bound access in SPMI tracing functions
dt-bindings: iio: adc: Add compatible for MT8188
iio: light: isl29028: Fix the warning in isl29028_remove()
iio: accel: sca3300: Extend the trigger buffer from 16 to 32 bytes
iio: fix iio_format_avail_range() printing for none IIO_VAL_INT
iio: adc: max1027: unlock on error path in max1027_read_single_value()
iio: proximity: sx9324: add empty line in front of bullet list
iio: magnetometer: hmc5843: Remove duplicate 'the'
iio: magn: yas530: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: magnetometer: ak8974: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: veml6030: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: vcnl4035: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: vcnl4000: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: tsl2591: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
iio: light: tsl2583: Use DEFINE_RUNTIME_DEV_PM_OPS and pm_ptr()
iio: light: isl29028: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
iio: light: gp2ap002: Switch to DEFINE_RUNTIME_DEV_PM_OPS and pm_ptr()
...
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Pull drm updates from Dave Airlie:
"Highlights:
- New driver for logicvc - which is a display IP core.
- EDID parser rework to add new extensions
- fbcon scrolling improvements
- i915 has some more DG2 work but not enabled by default, but should
have enough features for userspace to work now.
Otherwise it's lots of work all over the place. Detailed summary:
New driver:
- logicvc
vfio:
- use aperture API
core:
- of: Add data-lane helpers and convert drivers
- connector: Remove deprecated ida_simple_get()
media:
- Add various RGB666 and RGB888 format constants
panel:
- Add HannStar HSD101PWW
- Add ETML0700Y5DHA
dma-buf:
- add sync-file API
- set dma mask for udmabuf devices
fbcon:
- Improve scrolling performance
- Sanitize input
fbdev:
- device unregistering fixes
- vesa: Support COMPILE_TEST
- Disable firmware-device registration when first native driver loads
aperture:
- fix segfault during hot-unplug
- export for use with other subsystems
client:
- use driver validated modes
dp:
- aux: make probing more reliable
- mst: Read extended DPCD capabilities during system resume
- Support waiting for HDP signal
- Port-validation fixes
edid:
- CEA data-block iterators
- struct drm_edid introduction
- implement HF-EEODB extension
gem:
- don't use fb format non-existing planes
probe-helper:
- use 640x480 as displayport fallback
scheduler:
- don't kill jobs in interrupt context
bridge:
- Add support for i.MX8qxp and i.MX8qm
- lots of fixes/cleanups
- Add TI-DLPC3433
- fy07024di26a30d: Optional GPIO reset
- ldb: Add reg and reg-name properties to bindings, Kconfig fixes
- lt9611: Fix display sensing;
- tc358767: DSI/DPI refactoring and DSI-to-eDP support, DSI lane handling
- tc358775: Fix clock settings
- ti-sn65dsi83: Allow GPIO to sleep
- adv7511: I2C fixes
- anx7625: Fix error handling; DPI fixes; Implement HDP timeout via callback
- fsl-ldb: Drop DE flip
- ti-sn65dsi86: Convert to atomic modesetting
amdgpu:
- use atomic fence helpers in DM
- fix VRAM address calculations
- export CRTC bpc via debugfs
- Initial devcoredump support
- Enable high priority gfx queue on asics which support it
- Adjust GART size on newer APUs for S/G display
- Soft reset for GFX 11 / SDMA 6
- Add gfxoff status query for vangogh
- Fix timestamps for cursor only commits
- Adjust GART size on newer APUs for S/G display
- fix buddy memory corruption
amdkfd:
- MMU notifier fixes
- P2P DMA support using dma-buf
- Add available memory IOCTL
- HMM profiler support
- Simplify GPUVM validation
- Unified memory for CWSR save/restore area
i915:
- General driver clean-up
- DG2 enabling (still under force probe)
- DG2 small BAR memory support
- HuC loading support
- DG2 workarounds
- DG2/ATS-M device IDs added
- Ponte Vecchio prep work and new blitter engines
- add Meteorlake support
- Fix sparse warnings
- DMC MMIO range checks
- Audio related fixes
- Runtime PM fixes
- PSR fixes
- Media freq factor and per-gt enhancements
- DSI fixes for ICL+
- Disable DMC flip queue handlers
- ADL_P voltage swing updates
- Use more the VBT for panel information
- Fix on Type-C ports with TBT mode
- Improve fastset and allow seamless M/N changes
- Accept more fixed modes with VRR/DMRRS panels
- Disable connector polling for a headless SKU
- ADL-S display PLL w/a
- Enable THP on Icelake and beyond
- Fix i915_gem_object_ggtt_pin_ww regression on old platforms
- Expose per tile media freq factor in sysfs
- Fix dma_resv fence handling in multi-batch execbuf
- Improve on suspend / resume time with VT-d enabled
- export CRTC bpc settings via debugfs
msm:
- gpu: a619 support
- gpu: Fix for unclocked GMU register access
- gpu: Devcore dump enhancements
- client utilization via fdinfo support
- fix fence rollover issue
- gem: Lockdep false-positive warning fix
- gem: Switch to pfn mappings
- WB support on sc7180
- dp: dropped custom bulk clock implementation
- fix link retraining on resolution change
- hdmi: dropped obsolete GPIO support
tegra:
- context isolation for host1x engines
- tegra234 soc support
mediatek:
- add vdosys0/1 for mt8195
- add MT8195 dp_intf driver
exynos:
- Fix resume function issue of exynos decon driver by calling
clk_disable_unprepare() properly if clk_prepare_enable() failed.
nouveau:
- set of misc fixes/cleanups
- display cleanups
gma500:
- Cleanup connector I2C handling
hyperv:
- Unify VRAM allocation of Gen1 and Gen2
meson:
- Support YUV422 output; Refcount fixes
mgag200:
- Support damage clipping
- Support gamma handling
- Protect concurrent HW access
- Fixes to connector
- Store model-specific limits in device-info structure
- fix PCI register init
panfrost:
- Valhall support
r128:
- Fix bit-shift overflow
rockchip:
- Locking fixes in error path
ssd130x:
- Fix built-in linkage
udl:
- Always advertize VGA connector
ast:
- Support multiple outputs
- fix black screen on resume
sun4i:
- HDMI PHY cleanups
vc4:
- Add support for BCM2711
vkms:
- Allocate output buffer with vmalloc()
mcde:
- Fix ref-count leak
mxsfb/lcdif:
- Support i.MX8MP LCD controller
stm/ltdc:
- Support dynamic Z order
- Support mirroring
ingenic:
- Fix display at maximum resolution"
* tag 'drm-next-2022-08-03' of git://anongit.freedesktop.org/drm/drm: (1480 commits)
drm/amd/display: Fix a compilation failure on PowerPC caused by FPU code
drm/amdgpu: enable support for psp 13.0.4 block
drm/amdgpu: add files for PSP 13.0.4
drm/amdgpu: add header files for MP 13.0.4
drm/amdgpu: correct RLC_RLCS_BOOTLOAD_STATUS offset and index
drm/amdgpu: send msg to IMU for the front-door loading
drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b"
drm/amdgpu: fix hive reference leak when reflecting psp topology info
drm/amd/pm: enable GFX ULV feature support for SMU13.0.0
drm/amd/pm: update driver if header for SMU 13.0.0
drm/amdgpu: move mes self test after drm sched re-started
drm/amdgpu: drop non-necessary call trace dump
drm/amdgpu: enable VCN cg and JPEG cg/pg
drm/amdgpu: vcn_4_0_2 video codec query
drm/amdgpu: add VCN_4_0_2 firmware support
drm/amdgpu: add VCN function in NBIO v7.7
drm/amdgpu: fix a vcn4 boot poll bug in emulation mode
drm/amd/amdgpu: add memory training support for PSP_V13
drm/amdkfd: remove an unnecessary amdgpu_bo_ref
drm/amd/pm: Add get_gfx_off_status interface for yellow carp
...
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