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11,316 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Feng Zhou
|
07343110b2 |
bpf: add bpf_map_lookup_percpu_elem for percpu map
Add new ebpf helpers bpf_map_lookup_percpu_elem. The implementation method is relatively simple, refer to the implementation method of map_lookup_elem of percpu map, increase the parameters of cpu, and obtain it according to the specified cpu. Signed-off-by: Feng Zhou <zhoufeng.zf@bytedance.com> Link: https://lore.kernel.org/r/20220511093854.411-2-zhoufeng.zf@bytedance.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Kui-Feng Lee
|
2fcc82411e |
bpf, x86: Attach a cookie to fentry/fexit/fmod_ret/lsm.
Pass a cookie along with BPF_LINK_CREATE requests. Add a bpf_cookie field to struct bpf_tracing_link to attach a cookie. The cookie of a bpf_tracing_link is available by calling bpf_get_attach_cookie when running the BPF program of the attached link. The value of a cookie will be set at bpf_tramp_run_ctx by the trampoline of the link. Signed-off-by: Kui-Feng Lee <kuifeng@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220510205923.3206889-4-kuifeng@fb.com |
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Kui-Feng Lee
|
f7e0beaf39 |
bpf, x86: Generate trampolines from bpf_tramp_links
Replace struct bpf_tramp_progs with struct bpf_tramp_links to collect struct bpf_tramp_link(s) for a trampoline. struct bpf_tramp_link extends bpf_link to act as a linked list node. arch_prepare_bpf_trampoline() accepts a struct bpf_tramp_links to collects all bpf_tramp_link(s) that a trampoline should call. Change BPF trampoline and bpf_struct_ops to pass bpf_tramp_links instead of bpf_tramp_progs. Signed-off-by: Kui-Feng Lee <kuifeng@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220510205923.3206889-2-kuifeng@fb.com |
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Kaixi Fan
|
26101f5ab6 |
bpf: Add source ip in "struct bpf_tunnel_key"
Add tunnel source ip field in "struct bpf_tunnel_key". Add related code to set and get tunnel source field. Signed-off-by: Kaixi Fan <fankaixi.li@bytedance.com> Link: https://lore.kernel.org/r/20220430074844.69214-2-fankaixi.li@bytedance.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Jakub Kicinski
|
50c6afabfd |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2022-04-27
We've added 85 non-merge commits during the last 18 day(s) which contain
a total of 163 files changed, 4499 insertions(+), 1521 deletions(-).
The main changes are:
1) Teach libbpf to enhance BPF verifier log with human-readable and relevant
information about failed CO-RE relocations, from Andrii Nakryiko.
2) Add typed pointer support in BPF maps and enable it for unreferenced pointers
(via probe read) and referenced ones that can be passed to in-kernel helpers,
from Kumar Kartikeya Dwivedi.
3) Improve xsk to break NAPI loop when rx queue gets full to allow for forward
progress to consume descriptors, from Maciej Fijalkowski & Björn Töpel.
4) Fix a small RCU read-side race in BPF_PROG_RUN routines which dereferenced
the effective prog array before the rcu_read_lock, from Stanislav Fomichev.
5) Implement BPF atomic operations for RV64 JIT, and add libbpf parsing logic
for USDT arguments under riscv{32,64}, from Pu Lehui.
6) Implement libbpf parsing of USDT arguments under aarch64, from Alan Maguire.
7) Enable bpftool build for musl and remove nftw with FTW_ACTIONRETVAL usage
so it can be shipped under Alpine which is musl-based, from Dominique Martinet.
8) Clean up {sk,task,inode} local storage trace RCU handling as they do not
need to use call_rcu_tasks_trace() barrier, from KP Singh.
9) Improve libbpf API documentation and fix error return handling of various
API functions, from Grant Seltzer.
10) Enlarge offset check for bpf_skb_{load,store}_bytes() helpers given data
length of frags + frag_list may surpass old offset limit, from Liu Jian.
11) Various improvements to prog_tests in area of logging, test execution
and by-name subtest selection, from Mykola Lysenko.
12) Simplify map_btf_id generation for all map types by moving this process
to build time with help of resolve_btfids infra, from Menglong Dong.
13) Fix a libbpf bug in probing when falling back to legacy bpf_probe_read*()
helpers; the probing caused always to use old helpers, from Runqing Yang.
14) Add support for ARCompact and ARCv2 platforms for libbpf's PT_REGS
tracing macros, from Vladimir Isaev.
15) Cleanup BPF selftests to remove old & unneeded rlimit code given kernel
switched to memcg-based memory accouting a while ago, from Yafang Shao.
16) Refactor of BPF sysctl handlers to move them to BPF core, from Yan Zhu.
17) Fix BPF selftests in two occasions to work around regressions caused by latest
LLVM to unblock CI until their fixes are worked out, from Yonghong Song.
18) Misc cleanups all over the place, from various others.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (85 commits)
selftests/bpf: Add libbpf's log fixup logic selftests
libbpf: Fix up verifier log for unguarded failed CO-RE relos
libbpf: Simplify bpf_core_parse_spec() signature
libbpf: Refactor CO-RE relo human description formatting routine
libbpf: Record subprog-resolved CO-RE relocations unconditionally
selftests/bpf: Add CO-RE relos and SEC("?...") to linked_funcs selftests
libbpf: Avoid joining .BTF.ext data with BPF programs by section name
libbpf: Fix logic for finding matching program for CO-RE relocation
libbpf: Drop unhelpful "program too large" guess
libbpf: Fix anonymous type check in CO-RE logic
bpf: Compute map_btf_id during build time
selftests/bpf: Add test for strict BTF type check
selftests/bpf: Add verifier tests for kptr
selftests/bpf: Add C tests for kptr
libbpf: Add kptr type tag macros to bpf_helpers.h
bpf: Make BTF type match stricter for release arguments
bpf: Teach verifier about kptr_get kfunc helpers
bpf: Wire up freeing of referenced kptr
bpf: Populate pairs of btf_id and destructor kfunc in btf
bpf: Adapt copy_map_value for multiple offset case
...
====================
Link: https://lore.kernel.org/r/20220427224758.20976-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski
|
052e1f01bf |
net: atm: remove support for ZeitNet ZN122x ATM devices
This driver received nothing but automated fixes in the last 15 years. Since it's using virt_to_bus it's unlikely to be used on any modern platform. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Kumar Kartikeya Dwivedi
|
c0a5a21c25 |
bpf: Allow storing referenced kptr in map
Extending the code in previous commits, introduce referenced kptr support, which needs to be tagged using 'kptr_ref' tag instead. Unlike unreferenced kptr, referenced kptr have a lot more restrictions. In addition to the type matching, only a newly introduced bpf_kptr_xchg helper is allowed to modify the map value at that offset. This transfers the referenced pointer being stored into the map, releasing the references state for the program, and returning the old value and creating new reference state for the returned pointer. Similar to unreferenced pointer case, return value for this case will also be PTR_TO_BTF_ID_OR_NULL. The reference for the returned pointer must either be eventually released by calling the corresponding release function, otherwise it must be transferred into another map. It is also allowed to call bpf_kptr_xchg with a NULL pointer, to clear the value, and obtain the old value if any. BPF_LDX, BPF_STX, and BPF_ST cannot access referenced kptr. A future commit will permit using BPF_LDX for such pointers, but attempt at making it safe, since the lifetime of object won't be guaranteed. There are valid reasons to enforce the restriction of permitting only bpf_kptr_xchg to operate on referenced kptr. The pointer value must be consistent in face of concurrent modification, and any prior values contained in the map must also be released before a new one is moved into the map. To ensure proper transfer of this ownership, bpf_kptr_xchg returns the old value, which the verifier would require the user to either free or move into another map, and releases the reference held for the pointer being moved in. In the future, direct BPF_XCHG instruction may also be permitted to work like bpf_kptr_xchg helper. Note that process_kptr_func doesn't have to call check_helper_mem_access, since we already disallow rdonly/wronly flags for map, which is what check_map_access_type checks, and we already ensure the PTR_TO_MAP_VALUE refers to kptr by obtaining its off_desc, so check_map_access is also not required. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20220424214901.2743946-4-memxor@gmail.com |
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Jiri Pirko
|
276910aecc |
devlink: introduce line card info get message
Allow the driver to provide per line card info get op to fill-up info,
similar to the "devlink dev info".
Example:
$ devlink lc info pci/0000:01:00.0 lc 8
pci/0000:01:00.0:
lc 8
versions:
fixed:
hw.revision 0
running:
ini.version 4
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jiri Pirko
|
8d92e4fbcf |
devlink: introduce line card devices support
Line card can contain one or more devices that makes sense to make
visible to the user. For example, this can be a gearbox with
flash memory, which could be updated.
Provide the driver possibility to attach such devices to a line card
and expose those to user.
Example:
$ devlink lc show pci/0000:01:00.0 lc 8
pci/0000:01:00.0:
lc 8 state active type 16x100G
supported_types:
16x100G
devices:
device 0
device 1
device 2
device 3
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Paolo Abeni
|
f70925bf99 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/microchip/lan966x/lan966x_main.c |
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Boris Sukholitko
|
b400031282 |
net/sched: flower: Add number of vlan tags filter
These are bookkeeping parts of the new num_of_vlans filter. Defines, dump, load and set are being done here. Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Tonghao Zhang
|
38a6f08657 |
net: sched: support hash selecting tx queue
This patch allows users to pick queue_mapping, range
from A to B. Then we can load balance packets from A
to B tx queue. The range is an unsigned 16bit value
in decimal format.
$ tc filter ... action skbedit queue_mapping skbhash A B
"skbedit queue_mapping QUEUE_MAPPING" (from "man 8 tc-skbedit")
is enhanced with flags: SKBEDIT_F_TXQ_SKBHASH
+----+ +----+ +----+
| P1 | | P2 | | Pn |
+----+ +----+ +----+
| | |
+-----------+-----------+
|
| clsact/skbedit
| MQ
v
+-----------+-----------+
| q0 | qn | qm
v v v
HTB/FQ FIFO ... FIFO
For example:
If P1 sends out packets to different Pods on other host, and
we want distribute flows from qn - qm. Then we can use skb->hash
as hash.
setup commands:
$ NETDEV=eth0
$ ip netns add n1
$ ip link add ipv1 link $NETDEV type ipvlan mode l2
$ ip link set ipv1 netns n1
$ ip netns exec n1 ifconfig ipv1 2.2.2.100/24 up
$ tc qdisc add dev $NETDEV clsact
$ tc filter add dev $NETDEV egress protocol ip prio 1 \
flower skip_hw src_ip 2.2.2.100 action skbedit queue_mapping skbhash 2 6
$ tc qdisc add dev $NETDEV handle 1: root mq
$ tc qdisc add dev $NETDEV parent 1:1 handle 2: htb
$ tc class add dev $NETDEV parent 2: classid 2:1 htb rate 100kbit
$ tc class add dev $NETDEV parent 2: classid 2:2 htb rate 200kbit
$ tc qdisc add dev $NETDEV parent 1:2 tbf rate 100mbit burst 100mb latency 1
$ tc qdisc add dev $NETDEV parent 1:3 pfifo
$ tc qdisc add dev $NETDEV parent 1:4 pfifo
$ tc qdisc add dev $NETDEV parent 1:5 pfifo
$ tc qdisc add dev $NETDEV parent 1:6 pfifo
$ tc qdisc add dev $NETDEV parent 1:7 pfifo
$ ip netns exec n1 iperf3 -c 2.2.2.1 -i 1 -t 10 -P 10
pick txqueue from 2 - 6:
$ ethtool -S $NETDEV | grep -i tx_queue_[0-9]_bytes
tx_queue_0_bytes: 42
tx_queue_1_bytes: 0
tx_queue_2_bytes: 11442586444
tx_queue_3_bytes: 7383615334
tx_queue_4_bytes: 3981365579
tx_queue_5_bytes: 3983235051
tx_queue_6_bytes: 6706236461
tx_queue_7_bytes: 42
tx_queue_8_bytes: 0
tx_queue_9_bytes: 0
txqueues 2 - 6 are mapped to classid 1:3 - 1:7
$ tc -s class show dev $NETDEV
...
class mq 1:3 root leaf 8002:
Sent 11949133672 bytes 7929798 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class mq 1:4 root leaf 8003:
Sent 7710449050 bytes 5117279 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class mq 1:5 root leaf 8004:
Sent 4157648675 bytes
|
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Jiri Pirko
|
fc9f50d5b3 |
devlink: implement line card active state
Allow driver to mark a line card as active. Expose this state to the userspace over devlink netlink interface with proper notifications. 'active' state means that line card was plugged in after being provisioned. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Jiri Pirko
|
fcdc8ce23a |
devlink: implement line card provisioning
In order to be able to configure all needed stuff on a port/netdevice
of a line card without the line card being present, introduce line card
provisioning. Basically by setting a type, provisioning process will
start and driver is supposed to create a placeholder for instances
(ports/netdevices) for a line card type.
Allow the user to query the supported line card types over line card
get command. Then implement two netlink command SET to allow user to
set/unset the card type.
On the driver API side, add provision/unprovision ops and supported
types array to be advertised. Upon provision op call, the driver should
take care of creating the instances for the particular line card type.
Introduce provision_set/clear() functions to be called by the driver
once the provisioning/unprovisioning is done on its side. These helpers
are not to be called directly due to the async nature of provisioning.
Example:
$ devlink port # No ports are listed
$ devlink lc
pci/0000:01:00.0:
lc 1 state unprovisioned
supported_types:
16x100G
lc 2 state unprovisioned
supported_types:
16x100G
lc 3 state unprovisioned
supported_types:
16x100G
lc 4 state unprovisioned
supported_types:
16x100G
lc 5 state unprovisioned
supported_types:
16x100G
lc 6 state unprovisioned
supported_types:
16x100G
lc 7 state unprovisioned
supported_types:
16x100G
lc 8 state unprovisioned
supported_types:
16x100G
$ devlink lc set pci/0000:01:00.0 lc 8 type 16x100G
$ devlink lc show pci/0000:01:00.0 lc 8
pci/0000:01:00.0:
lc 8 state active type 16x100G
supported_types:
16x100G
$ devlink port
pci/0000:01:00.0/0: type notset flavour cpu port 0 splittable false
pci/0000:01:00.0/53: type eth netdev enp1s0nl8p1 flavour physical lc 8 port 1 splittable true lanes 4
pci/0000:01:00.0/54: type eth netdev enp1s0nl8p2 flavour physical lc 8 port 2 splittable true lanes 4
pci/0000:01:00.0/55: type eth netdev enp1s0nl8p3 flavour physical lc 8 port 3 splittable true lanes 4
pci/0000:01:00.0/56: type eth netdev enp1s0nl8p4 flavour physical lc 8 port 4 splittable true lanes 4
pci/0000:01:00.0/57: type eth netdev enp1s0nl8p5 flavour physical lc 8 port 5 splittable true lanes 4
pci/0000:01:00.0/58: type eth netdev enp1s0nl8p6 flavour physical lc 8 port 6 splittable true lanes 4
pci/0000:01:00.0/59: type eth netdev enp1s0nl8p7 flavour physical lc 8 port 7 splittable true lanes 4
pci/0000:01:00.0/60: type eth netdev enp1s0nl8p8 flavour physical lc 8 port 8 splittable true lanes 4
pci/0000:01:00.0/61: type eth netdev enp1s0nl8p9 flavour physical lc 8 port 9 splittable true lanes 4
pci/0000:01:00.0/62: type eth netdev enp1s0nl8p10 flavour physical lc 8 port 10 splittable true lanes 4
pci/0000:01:00.0/63: type eth netdev enp1s0nl8p11 flavour physical lc 8 port 11 splittable true lanes 4
pci/0000:01:00.0/64: type eth netdev enp1s0nl8p12 flavour physical lc 8 port 12 splittable true lanes 4
pci/0000:01:00.0/125: type eth netdev enp1s0nl8p13 flavour physical lc 8 port 13 splittable true lanes 4
pci/0000:01:00.0/126: type eth netdev enp1s0nl8p14 flavour physical lc 8 port 14 splittable true lanes 4
pci/0000:01:00.0/127: type eth netdev enp1s0nl8p15 flavour physical lc 8 port 15 splittable true lanes 4
pci/0000:01:00.0/128: type eth netdev enp1s0nl8p16 flavour physical lc 8 port 16 splittable true lanes 4
$ devlink lc set pci/0000:01:00.0 lc 8 notype
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jiri Pirko
|
c246f9b5fd |
devlink: add support to create line card and expose to user
Extend the devlink API so the driver is going to be able to create and destroy linecard instances. There can be multiple line cards per devlink device. Expose this new type of object over devlink netlink API to the userspace, with notifications. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Arun Ajith S
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f9a2fb7331 |
net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131
Add a new neighbour cache entry in STALE state for routers on receiving an unsolicited (gratuitous) neighbour advertisement with target link-layer-address option specified. This is similar to the arp_accept configuration for IPv4. A new sysctl endpoint is created to turn on this behaviour: /proc/sys/net/ipv6/conf/interface/accept_unsolicited_na. Signed-off-by: Arun Ajith S <aajith@arista.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Jie Wang
|
4dc84c06a3 |
net: ethtool: extend ringparam set/get APIs for tx_push
Currently tx push is a standard driver feature which controls use of a fast path descriptor push. So this patch extends the ringparam APIs and data structures to support set/get tx push by ethtool -G/g. Signed-off-by: Jie Wang <wangjie125@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Linus Torvalds
|
0647b9cc7f |
io_uring-5.18-2022-04-14
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmJY2BIQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpielEACDqz5oShRkOHGAaqo0jbOy7C9I0hwUXS9Y QeIH7umrSUBgDXLIq3jbsgK3d0nroaYHTU8aa64XnyB0lGouBTiw+I8FZfxNlW7w HI+AUZn/m0wvTuKcw//cSX2CP2pcVPfmao+JskU6kyrsoj0nkQNx2NNHXbVQ3cFC DKlZE7ZulvzfM+xC0aJxIYUWLECzqgZvicn+mqeqVQX9QJ3k/637GTnVu83QSpIC 0Hw/isuGuaK+0nurwc4Rx9ZojItVYyPPt3a+8ImtGaJlhyeg9bHLMJZbBLvrlqjd AS2iVPaQOhFfxt8qe7ETHpIUmkBQZIckavsCCO7sfFVKtGRNA0kQkAYLjXLDLP8T 1DXn8VQHsGHHcBd2vTZURng32AniOCzQkshLGF8s/yYuoHp7JODDhwu4xO5HC5eN rD7SNDcW9mYlEmVtCuoeKCrRknHL+x3ZTlAPTXr3DgjtgB7phBUmLqZU7riwy7vs 0oGD/uXf5jT7Ujw2fZNF7LFetQVJkCi92p1+IGBO0hXQShZ5IsCITk95V2d+2cVs J1r7ZkXiXiWHkHDQQfuKNeVoUXRe10a4+xOeOCMrwuOgKpKIyoN7ofb6Lp4SRE+j f6PvGXvfwIRz9McJwg5IWCIEVASysn4s17bgnaMKXpRCgf67Z4HMTcBO1PHRORBD ssBXiVxOhA== =aTrS -----END PGP SIGNATURE----- Merge tag 'io_uring-5.18-2022-04-14' of git://git.kernel.dk/linux-block Pull io_uring fixes from Jens Axboe: - Ensure we check and -EINVAL any use of reserved or struct padding. Although we generally always do that, it's missed in two spots for resource updates, one for the ring fd registration from this merge window, and one for the extended arg. Make sure we have all of them handled. (Dylan) - A few fixes for the deferred file assignment (me, Pavel) - Add a feature flag for the deferred file assignment so apps can tell we handle it correctly (me) - Fix a small perf regression with the current file position fix in this merge window (me) * tag 'io_uring-5.18-2022-04-14' of git://git.kernel.dk/linux-block: io_uring: abort file assignment prior to assigning creds io_uring: fix poll error reporting io_uring: fix poll file assign deadlock io_uring: use right issue_flags for splice/tee io_uring: verify pad field is 0 in io_get_ext_arg io_uring: verify resv is 0 in ringfd register/unregister io_uring: verify that resv2 is 0 in io_uring_rsrc_update2 io_uring: move io_uring_rsrc_update2 validation io_uring: fix assign file locking issue io_uring: stop using io_wq_work as an fd placeholder io_uring: move apoll->events cache io_uring: io_kiocb_update_pos() should not touch file for non -1 offset io_uring: flag the fact that linked file assignment is sane |
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Paolo Abeni
|
edf45f007a | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net | ||
Nikolay Aleksandrov
|
ea2c0f9e3f |
net: rtnetlink: add ndm flags and state mask attributes
Add ndm flags/state masks which will be used for bulk delete filtering. All of these are used by the bridge and vxlan drivers. Also minimal attr policy validation is added, it is up to ndo_fdb_del_bulk implementers to further validate them. Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
Nikolay Aleksandrov
|
545528d788 |
net: netlink: add NLM_F_BULK delete request modifier
Add a new delete request modifier called NLM_F_BULK which, when supported, would cause the request to delete multiple objects. The flag is a convenient way to signal that a multiple delete operation is requested which can be gradually added to different delete requests. In order to make sure older kernels will error out if the operation is not supported instead of doing something unintended we have to break a required condition when implementing support for this flag, f.e. for neighbors we will omit the mandatory mac address attribute. Initially it will be used to add flush with filtering support for bridge fdbs, but it also opens the door to add similar support to others. Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
Linus Torvalds
|
a19944809f |
hardening fixes for v5.18-rc3
- latent_entropy: Use /dev/urandom instead of small GCC seed (Jason Donenfeld) - uapi/stddef.h: add missed include guards (Tadeusz Struk) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmJWDFgWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJjWiD/wPExrq+Ph3jWj/3h+5Na8EdkNq 8z96VErdrR5rNUDbtnLWmgy0hjoQAh1deRJBcv0TX+3W8XO6ynXx2+gCPqKq7hc3 9dIDS9o67ZuMZircoaxkULtnqqX/4Bi7m1uiUhIwsbFKONkHLPr1wW2gdx2VlPMh S0zrV5nY6ey0rLCN1i+ILXKb7VwuLa7tSObrv9TGn4ZpVIZTIn+ewM61WLKpI61A N9NbIlg8NlW5od8IvvAnwVRdjsR+90trYPYF+3HlWiDIRw2OHz0KdkrEtkzlrSn0 69aTD5Ff7UusPHX2vtHa9+MznkAUmkW1i5AXB+vo2O5DjRZ6+Br5bResfyln2oCq WOciA6KhdiFtplPr4NwRaqw9NT7bwB793oIG6cTBf55+KvKL6UZmsWFwIr8QsmVb TZ7A9hKKpBXWT3qf9yTYTL1DxzDCtYOHXzdjdwfeTkrCf1pt/L2SqQdHh3ouQf+s rTArpSZ1gP9CXSQbuqh0oNnpUPrVRDTvbGZOLNKa1k7tzlMXG51ebwWWEPfNt5EY LZA9W/RLp3gtkzU0K8IP/oP993gpLekiu/aA7nCZwSb4g2qTUkX5Y0qVnUqyQaKe pcfYLvVZPPVigUZ7TODSQSJs1/8/xEuSpoSrEi7eZTckyq8inVtKlsPSY/SRy/Sz 9XVCiN1fKUvB+p5X3Q== =gVfg -----END PGP SIGNATURE----- Merge tag 'hardening-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening fixes from Kees Cook: - latent_entropy: Use /dev/urandom instead of small GCC seed (Jason Donenfeld) - uapi/stddef.h: add missed include guards (Tadeusz Struk) * tag 'hardening-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: latent_entropy: use /dev/urandom uapi/linux/stddef.h: Add include guards |
||
Jens Axboe
|
c4212f3eb8 |
io_uring: flag the fact that linked file assignment is sane
Give applications a way to tell if the kernel supports sane linked files,
as in files being assigned at the right time to be able to reliably
do <open file direct into slot X><read file from slot X> while using
IOSQE_IO_LINK to order them.
Not really a bug fix, but flag it as such so that it gets pulled in with
backports of the deferred file assignment.
Fixes:
|
||
|
Jakub Kicinski
|
34ba23b44c |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2022-04-09
We've added 63 non-merge commits during the last 9 day(s) which contain
a total of 68 files changed, 4852 insertions(+), 619 deletions(-).
The main changes are:
1) Add libbpf support for USDT (User Statically-Defined Tracing) probes.
USDTs are an abstraction built on top of uprobes, critical for tracing
and BPF, and widely used in production applications, from Andrii Nakryiko.
2) While Andrii was adding support for x86{-64}-specific logic of parsing
USDT argument specification, Ilya followed-up with USDT support for s390
architecture, from Ilya Leoshkevich.
3) Support name-based attaching for uprobe BPF programs in libbpf. The format
supported is `u[ret]probe/binary_path:[raw_offset|function[+offset]]`, e.g.
attaching to libc malloc can be done in BPF via SEC("uprobe/libc.so.6:malloc")
now, from Alan Maguire.
4) Various load/store optimizations for the arm64 JIT to shrink the image
size by using arm64 str/ldr immediate instructions. Also enable pointer
authentication to verify return address for JITed code, from Xu Kuohai.
5) BPF verifier fixes for write access checks to helper functions, e.g.
rd-only memory from bpf_*_cpu_ptr() must not be passed to helpers that
write into passed buffers, from Kumar Kartikeya Dwivedi.
6) Fix overly excessive stack map allocation for its base map structure and
buckets which slipped-in from cleanups during the rlimit accounting removal
back then, from Yuntao Wang.
7) Extend the unstable CT lookup helpers for XDP and tc/BPF to report netfilter
connection tracking tuple direction, from Lorenzo Bianconi.
8) Improve bpftool dump to show BPF program/link type names, Milan Landaverde.
9) Minor cleanups all over the place from various others.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (63 commits)
bpf: Fix excessive memory allocation in stack_map_alloc()
selftests/bpf: Fix return value checks in perf_event_stackmap test
selftests/bpf: Add CO-RE relos into linked_funcs selftests
libbpf: Use weak hidden modifier for USDT BPF-side API functions
libbpf: Don't error out on CO-RE relos for overriden weak subprogs
samples, bpf: Move routes monitor in xdp_router_ipv4 in a dedicated thread
libbpf: Allow WEAK and GLOBAL bindings during BTF fixup
libbpf: Use strlcpy() in path resolution fallback logic
libbpf: Add s390-specific USDT arg spec parsing logic
libbpf: Make BPF-side of USDT support work on big-endian machines
libbpf: Minor style improvements in USDT code
libbpf: Fix use #ifdef instead of #if to avoid compiler warning
libbpf: Potential NULL dereference in usdt_manager_attach_usdt()
selftests/bpf: Uprobe tests should verify param/return values
libbpf: Improve string parsing for uprobe auto-attach
libbpf: Improve library identification for uprobe binary path resolution
selftests/bpf: Test for writes to map key from BPF helpers
selftests/bpf: Test passing rdonly mem to global func
bpf: Reject writes for PTR_TO_MAP_KEY in check_helper_mem_access
bpf: Check PTR_TO_MEM | MEM_RDONLY in check_helper_mem_access
...
====================
Link: https://lore.kernel.org/r/20220408231741.19116-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
Jeffrey Ji
|
794c24e992 |
net-core: rx_otherhost_dropped to core_stats
Increment rx_otherhost_dropped counter when packet dropped due to
mismatched dest MAC addr.
An example when this drop can occur is when manually crafting raw
packets that will be consumed by a user space application via a tap
device. For testing purposes local traffic was generated using trafgen
for the client and netcat to start a server
Tested: Created 2 netns, sent 1 packet using trafgen from 1 to the other
with "{eth(daddr=$INCORRECT_MAC...}", verified that iproute2 showed the
counter was incremented. (Also had to modify iproute2 to show the stat,
additional patch for that coming next.)
Signed-off-by: Jeffrey Ji <jeffreyji@google.com>
Reviewed-by: Brian Vazquez <brianvv@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220406172600.1141083-1-jeffreyjilinux@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
Nick Desaulniers
|
1ee375d77b |
net, uapi: remove inclusion of arpa/inet.h
In include/uapi/linux/tipc_config.h, there's a comment that it includes arpa/inet.h for ntohs; but ntohs is not defined in any UAPI header. For now, reuse the definitions from include/linux/byteorder/generic.h, since the various conversion functions do exist in UAPI headers: include/uapi/linux/byteorder/big_endian.h include/uapi/linux/byteorder/little_endian.h We would like to get to the point where we can build UAPI header tests with -nostdinc, meaning that kernel UAPI headers should not have a circular dependency on libc headers. Link: https://android-review.googlesource.com/c/platform/bionic/+/2048127 Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Haiyue Wang
|
66df0fdb59 |
bpf: Correct the comment for BTF kind bitfield
The commit
|
||
Steven Rostedt (Google)
|
1cd927ad6f |
tracing: mark user_events as BROKEN
After being merged, user_events become more visible to a wider audience that have concerns with the current API. It is too late to fix this for this release, but instead of a full revert, just mark it as BROKEN (which prevents it from being selected in make config). Then we can work finding a better API. If that fails, then it will need to be completely reverted. To not have the code silently bitrot, still allow building it with COMPILE_TEST. And to prevent the uapi header from being installed, then later changed, and then have an old distro user space see the old version, move the header file out of the uapi directory. Surround the include with CONFIG_COMPILE_TEST to the current location, but when the BROKEN tag is taken off, it will use the uapi directory, and fail to compile. This is a good way to remind us to move the header back. Link: https://lore.kernel.org/all/20220330155835.5e1f6669@gandalf.local.home Link: https://lkml.kernel.org/r/20220330201755.29319-1-mathieu.desnoyers@efficios.com Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
8467b0ed6c |
for-5.18/drivers-2022-04-01
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Merge tag 'for-5.18/drivers-2022-04-01' of git://git.kernel.dk/linux-block
Pull block driver fixes from Jens Axboe:
"Followup block driver updates and fixes for the 5.18-rc1 merge window.
In detail:
- NVMe pull request
- Fix multipath hang when disk goes live over reconnect (Anton
Eidelman)
- fix RCU hole that allowed for endless looping in multipath
round robin (Chris Leech)
- remove redundant assignment after left shift (Colin Ian King)
- add quirks for Samsung X5 SSDs (Monish Kumar R)
- fix the read-only state for zoned namespaces with unsupposed
features (Pankaj Raghav)
- use a private workqueue instead of the system workqueue in
nvmet (Sagi Grimberg)
- allow duplicate NSIDs for private namespaces (Sungup Moon)
- expose use_threaded_interrupts read-only in sysfs (Xin Hao)"
- nbd minor allocation fix (Zhang)
- drbd fixes and maintainer addition (Lars, Jakob, Christoph)
- n64cart build fix (Jackie)
- loop compat ioctl fix (Carlos)
- misc fixes (Colin, Dongli)"
* tag 'for-5.18/drivers-2022-04-01' of git://git.kernel.dk/linux-block:
drbd: remove check of list iterator against head past the loop body
drbd: remove usage of list iterator variable after loop
nbd: fix possible overflow on 'first_minor' in nbd_dev_add()
MAINTAINERS: add drbd co-maintainer
drbd: fix potential silent data corruption
loop: fix ioctl calls using compat_loop_info
nvme-multipath: fix hang when disk goes live over reconnect
nvme: fix RCU hole that allowed for endless looping in multipath round robin
nvme: allow duplicate NSIDs for private namespaces
nvmet: remove redundant assignment after left shift
nvmet: use a private workqueue instead of the system workqueue
nvme-pci: add quirks for Samsung X5 SSDs
nvme-pci: expose use_threaded_interrupts read-only in sysfs
nvme: fix the read-only state for zoned namespaces with unsupposed features
n64cart: convert bi_disk to bi_bdev->bd_disk fix build
xen/blkfront: fix comment for need_copy
xen-blkback: remove redundant assignment to variable i
|
||
|
Linus Torvalds
|
3b1509f275 |
for-5.18/io_uring-2022-04-01
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||
|
Linus Torvalds
|
6a34fdcca4 |
RTC for 5.18
Subsystem:
- remove uie_unsupported, all users have been converted to clear
RTC_FEATURE_UPDATE_INTERRUPT and provide a reason
- RTCs with an alarm with a resolution of a minute are now letting the core
handle rounding down the alarm time
- fix use-after-free on device removal
New driver:
- OP-TEE RTC PTA
Drivers:
- sun6i: Add H616 support
- cmos: Fix the AltCentury for AMD platforms
- spear: set range
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Merge tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"The bulk of the patches are about replacing the uie_unsupported struct
rtc_device member by a feature bit.
Subsystem:
- remove uie_unsupported, all users have been converted to clear
RTC_FEATURE_UPDATE_INTERRUPT and provide a reason
- RTCs with an alarm with a resolution of a minute are now letting
the core handle rounding down the alarm time
- fix use-after-free on device removal
New driver:
- OP-TEE RTC PTA
Drivers:
- sun6i: Add H616 support
- cmos: Fix the AltCentury for AMD platforms
- spear: set range"
* tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (56 commits)
rtc: check if __rtc_read_time was successful
rtc: gamecube: Fix refcount leak in gamecube_rtc_read_offset_from_sram
rtc: mc146818-lib: Fix the AltCentury for AMD platforms
rtc: optee: add RTC driver for OP-TEE RTC PTA
rtc: pm8xxx: Return -ENODEV if set_time disallowed
rtc: pm8xxx: Attach wake irq to device
clk: sunxi-ng: sun6i-rtc: include clk/sunxi-ng.h
rtc: remove uie_unsupported
rtc: xgene: stop using uie_unsupported
rtc: hym8563: switch to RTC_FEATURE_UPDATE_INTERRUPT
rtc: hym8563: let the core handle the alarm resolution
rtc: hym8563: switch to devm_rtc_allocate_device
rtc: efi: switch to RTC_FEATURE_UPDATE_INTERRUPT
rtc: efi: switch to devm_rtc_allocate_device
rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature
rtc: spear: fix spear_rtc_read_time
rtc: spear: drop uie_unsupported
rtc: spear: set range
rtc: spear: switch to devm_rtc_allocate_device
rtc: pcf8563: switch to RTC_FEATURE_UPDATE_INTERRUPT
...
|
||
|
Linus Torvalds
|
f4f5d7cfb2 |
virtio: features, fixes
vdpa generic device type support More virtio hardening for broken devices On the same theme, revert some virtio hotplug hardening patches - they were misusing some interrupt flags, will have to be reverted. RSS support in virtio-net max device MTU support in mlx5 vdpa akcipher support in virtio-crypto shared IRQ support in ifcvf vdpa a minor performance improvement in vhost Enable virtio mem for ARM64 beginnings of advance dma support Cleanups, fixes all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmJEEk8PHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpcpUH+wRIXrzveirsN4MYH0aAeF+SLYaA5pgtO4U7 da22HYtwlMrDRMxwjepKBOTSu89uP5LEK7IKWPj9VRZg+GLz/Cdfc6BZl/fND3qt 0yFpwG1ZLsBK1+WHbysWQneEbPjXqQdbh9eVkKVGcNkRuLJJwXbmF95dyQEJwzeh dPHssDcEC2tRgHAMrLyjLPKwMCRwcgtdPoB1ZC+lqTs3G6lktAfREEvqVfJOVe1b mQcgdAJ+aRM0J/w/PYTmxFOZPYAmQ6hmAQ8Hf7nkjfRWQ4EM91W0cKAoZPc/+7KN ZfFKVL28GEZLJqnx+3xijwCR2gwVHsRYZHaTjfGgQUWZPoB3Vrc= =ynRx -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: - vdpa generic device type support - more virtio hardening for broken devices (but on the same theme, revert some virtio hotplug hardening patches - they were misusing some interrupt flags and had to be reverted) - RSS support in virtio-net - max device MTU support in mlx5 vdpa - akcipher support in virtio-crypto - shared IRQ support in ifcvf vdpa - a minor performance improvement in vhost - enable virtio mem for ARM64 - beginnings of advance dma support - cleanups, fixes all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (33 commits) vdpa/mlx5: Avoid processing works if workqueue was destroyed vhost: handle error while adding split ranges to iotlb vdpa: support exposing the count of vqs to userspace vdpa: change the type of nvqs to u32 vdpa: support exposing the config size to userspace vdpa/mlx5: re-create forwarding rules after mac modified virtio: pci: check bar values read from virtio config space Revert "virtio_pci: harden MSI-X interrupts" Revert "virtio-pci: harden INTX interrupts" drivers/net/virtio_net: Added RSS hash report control. drivers/net/virtio_net: Added RSS hash report. drivers/net/virtio_net: Added basic RSS support. drivers/net/virtio_net: Fixed padded vheader to use v1 with hash. virtio: use virtio_device_ready() in virtio_device_restore() tools/virtio: compile with -pthread tools/virtio: fix after premapped buf support virtio_ring: remove flags check for unmap packed indirect desc virtio_ring: remove flags check for unmap split indirect desc virtio_ring: rename vring_unmap_state_packed() to vring_unmap_extra_packed() net/mlx5: Add support for configuring max device MTU ... |
||
Tadeusz Struk
|
55037ed7bd |
uapi/linux/stddef.h: Add include guards
Add include guard wrapper define to uapi/linux/stddef.h to prevent macro
redefinition errors when stddef.h is included more than once. This was not
needed before since the only contents already used a redefinition test.
Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Link: https://lore.kernel.org/r/20220329171252.57279-1-tadeusz.struk@linaro.org
Fixes:
|
||
|
Linus Torvalds
|
3312db01db |
rpmsg updates for v5.18
The major part of the rpmsg changes for v5.18 relates to improvements in the rpmsg char driver, which now allow automatically attaching to rpmsg channels as well as initiating new communication channels from the Linux side. The SMD driver is moved to arch_initcall with the purpose of registering root clocks earlier during boot. Also in the SMD driver, a workaround for the resource power management (RPM) channel is introduced to resolve an issue where both the RPM and Linux side waits for the other to close the communication established by the bootloader - this unblocks support for clocks and regulators on some older Qualcomm platforms. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmJDwecbHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3F3pkP/3+rM9Q6e+VnH05J9Irm wlq8ExFg1o68YG93LfvSiVXIssJ68bXvGW9N/JDpUE8LxxAV9jzmrs1h2He9NrFI qwgjr4EKpOQVKi9McPd5KLf/igPxG1TPgM0K8qJJB3y7moICdfXzxdkWQhPUmM9q WaIS/Tx40fq4mGher2dM6oeb8WaOu6uEWTHDFECvJAmvh9VE/1VOG+XkEccgm2SH vDr0BWErKn464yi1v/s7F3SsLXc/Rz4Wn0NhKVLG8jPTwqLA83yEpDOsAO6z7BrW zf/3pmlsnjgiBHWpET4JjqN/7R+ZjHeFWpFTf9kRmQE9eywY7meEiI25Dt5ixvsL /+NHYchcTtTbM11J6Zjpk6D2xbGotfU8NkNffJ1Q4uvI9HURhrDBaicCacDFjraJ t6WdK5sNpVPugcS2uqXmHguWXr2+1oGwPpUGO4hsNwktmnRhxbTootY3lIt4U39z SBgqWBdMpjZ9D5vnrrIREWuwU2O96Hot/TTTQk1m4qOIEzc0pr+k0RfkuHJs1/8s YMNmT6XviHzXpivw0Tc6ksrVYx4wknblWvIiN1NWjKsU2AAm3mmLdK8Mgy7nm4rm lR6235SBiMJt3cpva8rCNXH9InTBOj1SwN80YdCmxg1xZAsyAWBS6JwYzS5BGgtb pQjlE5SsQ6qMzwDE6SUYg4NV =rqWc -----END PGP SIGNATURE----- Merge tag 'rpmsg-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull rpmsg updates from Bjorn Andersson: "The major part of the rpmsg changes for v5.18 relates to improvements in the rpmsg char driver, which now allow automatically attaching to rpmsg channels as well as initiating new communication channels from the Linux side. The SMD driver is moved to arch_initcall with the purpose of registering root clocks earlier during boot. Also in the SMD driver, a workaround for the resource power management (RPM) channel is introduced to resolve an issue where both the RPM and Linux side waits for the other to close the communication established by the bootloader - this unblocks support for clocks and regulators on some older Qualcomm platforms" * tag 'rpmsg-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: rpmsg: ctrl: Introduce new RPMSG_CREATE/RELEASE_DEV_IOCTL controls rpmsg: char: Introduce the "rpmsg-raw" channel rpmsg: char: Add possibility to use default endpoint of the rpmsg device rpmsg: char: Refactor rpmsg_chrdev_eptdev_create function rpmsg: Update rpmsg_chrdev_register_device function rpmsg: Move the rpmsg control device from rpmsg_char to rpmsg_ctrl rpmsg: Create the rpmsg class in core instead of in rpmsg char rpmsg: char: Export eptdev create and destroy functions rpmsg: char: treat rpmsg_trysend() ENOMEM as EAGAIN rpmsg: qcom_smd: Fix redundant channel->registered assignment rpmsg: use struct_size over open coded arithmetic rpmsg: smd: allow opening rpm_requests even if already opened rpmsg: qcom_smd: Promote to arch_initcall |
||
|
Linus Torvalds
|
ee96dd9614 |
libnvdimm for 5.18
- Add perf support for nvdimm events, initially only for 'papr_scm'
devices.
- Deprecate the 'block aperture' support in libnvdimm, it only ever
existed in the specification, not in shipping product.
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Merge tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"The update for this cycle includes the deprecation of block-aperture
mode and a new perf events interface for the papr_scm nvdimm driver.
The perf events approach was acked by PeterZ.
- Add perf support for nvdimm events, initially only for 'papr_scm'
devices.
- Deprecate the 'block aperture' support in libnvdimm, it only ever
existed in the specification, not in shipping product"
* tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/blk: Fix title level
MAINTAINERS: remove section LIBNVDIMM BLK: MMIO-APERTURE DRIVER
powerpc/papr_scm: Fix build failure when
drivers/nvdimm: Fix build failure when CONFIG_PERF_EVENTS is not set
nvdimm/region: Delete nd_blk_region infrastructure
ACPI: NFIT: Remove block aperture support
nvdimm/namespace: Delete nd_namespace_blk
nvdimm/namespace: Delete blk namespace consideration in shared paths
nvdimm/blk: Delete the block-aperture window driver
nvdimm/region: Fix default alignment for small regions
docs: ABI: sysfs-bus-nvdimm: Document sysfs event format entries for nvdimm pmu
powerpc/papr_scm: Add perf interface support
drivers/nvdimm: Add perf interface to expose nvdimm performance stats
drivers/nvdimm: Add nvdimm pmu structure
|
||
Carlos Llamas
|
f941c51eea |
loop: fix ioctl calls using compat_loop_info
Support for cryptoloop was deleted in commit |
||
|
Linus Torvalds
|
965181d7ef |
NFS client updates for Linux 5.18
Highlights include:
Features:
- Switch NFS to use readahead instead of the obsolete readpages.
- Readdir fixes to improve cacheability of large directories when there
are multiple readers and writers.
- Readdir performance improvements when doing a seekdir() immediately
after opening the directory (common when re-exporting NFS).
- NFS swap improvements from Neil Brown.
- Loosen up memory allocation to permit direct reclaim and write back
in cases where there is no danger of deadlocking the writeback code or
NFS swap.
- Avoid sillyrename when the NFSv4 server claims to support the
necessary features to recover the unlinked but open file after reboot.
Bugfixes:
- Patch from Olga to add a mount option to control NFSv4.1 session
trunking discovery, and default it to being off.
- Fix a lockup in nfs_do_recoalesce().
- Two fixes for list iterator variables being used when pointing to the
list head.
- Fix a kernel memory scribble when reading from a non-socket transport
in /sys/kernel/sunrpc.
- Fix a race where reconnecting to a server could leave the TCP socket
stuck forever in the connecting state.
- Patch from Neil to fix a shutdown race which can leave the SUNRPC
transport timer primed after we free the struct xprt itself.
- Patch from Xin Xiong to fix reference count leaks in the NFSv4.2 copy
offload.
- Sunrpc patch from Olga to avoid resending a task on an offlined
transport.
Cleanups:
- Patches from Dave Wysochanski to clean up the fscache code
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Merge tag 'nfs-for-5.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Features:
- Switch NFS to use readahead instead of the obsolete readpages.
- Readdir fixes to improve cacheability of large directories when
there are multiple readers and writers.
- Readdir performance improvements when doing a seekdir() immediately
after opening the directory (common when re-exporting NFS).
- NFS swap improvements from Neil Brown.
- Loosen up memory allocation to permit direct reclaim and write back
in cases where there is no danger of deadlocking the writeback code
or NFS swap.
- Avoid sillyrename when the NFSv4 server claims to support the
necessary features to recover the unlinked but open file after
reboot.
Bugfixes:
- Patch from Olga to add a mount option to control NFSv4.1 session
trunking discovery, and default it to being off.
- Fix a lockup in nfs_do_recoalesce().
- Two fixes for list iterator variables being used when pointing to
the list head.
- Fix a kernel memory scribble when reading from a non-socket
transport in /sys/kernel/sunrpc.
- Fix a race where reconnecting to a server could leave the TCP
socket stuck forever in the connecting state.
- Patch from Neil to fix a shutdown race which can leave the SUNRPC
transport timer primed after we free the struct xprt itself.
- Patch from Xin Xiong to fix reference count leaks in the NFSv4.2
copy offload.
- Sunrpc patch from Olga to avoid resending a task on an offlined
transport.
Cleanups:
- Patches from Dave Wysochanski to clean up the fscache code"
* tag 'nfs-for-5.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (91 commits)
NFSv4/pNFS: Fix another issue with a list iterator pointing to the head
NFS: Don't loop forever in nfs_do_recoalesce()
SUNRPC: Don't return error values in sysfs read of closed files
SUNRPC: Do not dereference non-socket transports in sysfs
NFSv4.1: don't retry BIND_CONN_TO_SESSION on session error
SUNRPC don't resend a task on an offlined transport
NFS: replace usage of found with dedicated list iterator variable
SUNRPC: avoid race between mod_timer() and del_timer_sync()
pNFS/files: Ensure pNFS allocation modes are consistent with nfsiod
pNFS/flexfiles: Ensure pNFS allocation modes are consistent with nfsiod
NFSv4/pnfs: Ensure pNFS allocation modes are consistent with nfsiod
NFS: Avoid writeback threads getting stuck in mempool_alloc()
NFS: nfsiod should not block forever in mempool_alloc()
SUNRPC: Make the rpciod and xprtiod slab allocation modes consistent
SUNRPC: Fix unx_lookup_cred() allocation
NFS: Fix memory allocation in rpc_alloc_task()
NFS: Fix memory allocation in rpc_malloc()
SUNRPC: Improve accuracy of socket ENOBUFS determination
SUNRPC: Replace internal use of SOCKWQ_ASYNC_NOSPACE
SUNRPC: Fix socket waits for write buffer space
...
|
||
|
Linus Torvalds
|
1930a6e739 |
ptrace: Cleanups for v5.18
This set of changes removes tracehook.h, moves modification of all of
the ptrace fields inside of siglock to remove races, adds a missing
permission check to ptrace.c
The removal of tracehook.h is quite significant as it has been a major
source of confusion in recent years. Much of that confusion was
around task_work and TIF_NOTIFY_SIGNAL (which I have now decoupled
making the semantics clearer).
For people who don't know tracehook.h is a vestiage of an attempt to
implement uprobes like functionality that was never fully merged, and
was later superseeded by uprobes when uprobes was merged. For many
years now we have been removing what tracehook functionaly a little
bit at a time. To the point where now anything left in tracehook.h is
some weird strange thing that is difficult to understand.
Eric W. Biederman (15):
ptrace: Move ptrace_report_syscall into ptrace.h
ptrace/arm: Rename tracehook_report_syscall report_syscall
ptrace: Create ptrace_report_syscall_{entry,exit} in ptrace.h
ptrace: Remove arch_syscall_{enter,exit}_tracehook
ptrace: Remove tracehook_signal_handler
task_work: Remove unnecessary include from posix_timers.h
task_work: Introduce task_work_pending
task_work: Call tracehook_notify_signal from get_signal on all architectures
task_work: Decouple TIF_NOTIFY_SIGNAL and task_work
signal: Move set_notify_signal and clear_notify_signal into sched/signal.h
resume_user_mode: Remove #ifdef TIF_NOTIFY_RESUME in set_notify_resume
resume_user_mode: Move to resume_user_mode.h
tracehook: Remove tracehook.h
ptrace: Move setting/clearing ptrace_message into ptrace_stop
ptrace: Return the signal to continue with from ptrace_stop
Jann Horn (1):
ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
Yang Li (1):
ptrace: Remove duplicated include in ptrace.c
MAINTAINERS | 1 -
arch/Kconfig | 5 +-
arch/alpha/kernel/ptrace.c | 5 +-
arch/alpha/kernel/signal.c | 4 +-
arch/arc/kernel/ptrace.c | 5 +-
arch/arc/kernel/signal.c | 4 +-
arch/arm/kernel/ptrace.c | 12 +-
arch/arm/kernel/signal.c | 4 +-
arch/arm64/kernel/ptrace.c | 14 +--
arch/arm64/kernel/signal.c | 4 +-
arch/csky/kernel/ptrace.c | 5 +-
arch/csky/kernel/signal.c | 4 +-
arch/h8300/kernel/ptrace.c | 5 +-
arch/h8300/kernel/signal.c | 4 +-
arch/hexagon/kernel/process.c | 4 +-
arch/hexagon/kernel/signal.c | 1 -
arch/hexagon/kernel/traps.c | 6 +-
arch/ia64/kernel/process.c | 4 +-
arch/ia64/kernel/ptrace.c | 6 +-
arch/ia64/kernel/signal.c | 1 -
arch/m68k/kernel/ptrace.c | 5 +-
arch/m68k/kernel/signal.c | 4 +-
arch/microblaze/kernel/ptrace.c | 5 +-
arch/microblaze/kernel/signal.c | 4 +-
arch/mips/kernel/ptrace.c | 5 +-
arch/mips/kernel/signal.c | 4 +-
arch/nds32/include/asm/syscall.h | 2 +-
arch/nds32/kernel/ptrace.c | 5 +-
arch/nds32/kernel/signal.c | 4 +-
arch/nios2/kernel/ptrace.c | 5 +-
arch/nios2/kernel/signal.c | 4 +-
arch/openrisc/kernel/ptrace.c | 5 +-
arch/openrisc/kernel/signal.c | 4 +-
arch/parisc/kernel/ptrace.c | 7 +-
arch/parisc/kernel/signal.c | 4 +-
arch/powerpc/kernel/ptrace/ptrace.c | 8 +-
arch/powerpc/kernel/signal.c | 4 +-
arch/riscv/kernel/ptrace.c | 5 +-
arch/riscv/kernel/signal.c | 4 +-
arch/s390/include/asm/entry-common.h | 1 -
arch/s390/kernel/ptrace.c | 1 -
arch/s390/kernel/signal.c | 5 +-
arch/sh/kernel/ptrace_32.c | 5 +-
arch/sh/kernel/signal_32.c | 4 +-
arch/sparc/kernel/ptrace_32.c | 5 +-
arch/sparc/kernel/ptrace_64.c | 5 +-
arch/sparc/kernel/signal32.c | 1 -
arch/sparc/kernel/signal_32.c | 4 +-
arch/sparc/kernel/signal_64.c | 4 +-
arch/um/kernel/process.c | 4 +-
arch/um/kernel/ptrace.c | 5 +-
arch/x86/kernel/ptrace.c | 1 -
arch/x86/kernel/signal.c | 5 +-
arch/x86/mm/tlb.c | 1 +
arch/xtensa/kernel/ptrace.c | 5 +-
arch/xtensa/kernel/signal.c | 4 +-
block/blk-cgroup.c | 2 +-
fs/coredump.c | 1 -
fs/exec.c | 1 -
fs/io-wq.c | 6 +-
fs/io_uring.c | 11 +-
fs/proc/array.c | 1 -
fs/proc/base.c | 1 -
include/asm-generic/syscall.h | 2 +-
include/linux/entry-common.h | 47 +-------
include/linux/entry-kvm.h | 2 +-
include/linux/posix-timers.h | 1 -
include/linux/ptrace.h | 81 ++++++++++++-
include/linux/resume_user_mode.h | 64 ++++++++++
include/linux/sched/signal.h | 17 +++
include/linux/task_work.h | 5 +
include/linux/tracehook.h | 226 -----------------------------------
include/uapi/linux/ptrace.h | 2 +-
kernel/entry/common.c | 19 +--
kernel/entry/kvm.c | 9 +-
kernel/exit.c | 3 +-
kernel/livepatch/transition.c | 1 -
kernel/ptrace.c | 47 +++++---
kernel/seccomp.c | 1 -
kernel/signal.c | 62 +++++-----
kernel/task_work.c | 4 +-
kernel/time/posix-cpu-timers.c | 1 +
mm/memcontrol.c | 2 +-
security/apparmor/domain.c | 1 -
security/selinux/hooks.c | 1 -
85 files changed, 372 insertions(+), 495 deletions(-)
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Merge tag 'ptrace-cleanups-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull ptrace cleanups from Eric Biederman:
"This set of changes removes tracehook.h, moves modification of all of
the ptrace fields inside of siglock to remove races, adds a missing
permission check to ptrace.c
The removal of tracehook.h is quite significant as it has been a major
source of confusion in recent years. Much of that confusion was around
task_work and TIF_NOTIFY_SIGNAL (which I have now decoupled making the
semantics clearer).
For people who don't know tracehook.h is a vestiage of an attempt to
implement uprobes like functionality that was never fully merged, and
was later superseeded by uprobes when uprobes was merged. For many
years now we have been removing what tracehook functionaly a little
bit at a time. To the point where anything left in tracehook.h was
some weird strange thing that was difficult to understand"
* tag 'ptrace-cleanups-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
ptrace: Remove duplicated include in ptrace.c
ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
ptrace: Return the signal to continue with from ptrace_stop
ptrace: Move setting/clearing ptrace_message into ptrace_stop
tracehook: Remove tracehook.h
resume_user_mode: Move to resume_user_mode.h
resume_user_mode: Remove #ifdef TIF_NOTIFY_RESUME in set_notify_resume
signal: Move set_notify_signal and clear_notify_signal into sched/signal.h
task_work: Decouple TIF_NOTIFY_SIGNAL and task_work
task_work: Call tracehook_notify_signal from get_signal on all architectures
task_work: Introduce task_work_pending
task_work: Remove unnecessary include from posix_timers.h
ptrace: Remove tracehook_signal_handler
ptrace: Remove arch_syscall_{enter,exit}_tracehook
ptrace: Create ptrace_report_syscall_{entry,exit} in ptrace.h
ptrace/arm: Rename tracehook_report_syscall report_syscall
ptrace: Move ptrace_report_syscall into ptrace.h
|
||
Longpeng
|
b04d910af3 |
vdpa: support exposing the count of vqs to userspace
- GET_VQS_COUNT: the count of virtqueues that exposed Signed-off-by: Longpeng <longpeng2@huawei.com> Link: https://lore.kernel.org/r/20220315032553.455-4-longpeng2@huawei.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Longpeng <<a href="mailto:longpeng2@huawei.com" target="_blank">longpeng2@huawei.com</a>><br> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> |
||
|
Longpeng
|
a61280dddd |
vdpa: support exposing the config size to userspace
- GET_CONFIG_SIZE: return the size of the virtio config space. The size contains the fields which are conditional on feature bits. Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Longpeng <longpeng2@huawei.com> Link: https://lore.kernel.org/r/20220315032553.455-2-longpeng2@huawei.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> |
||
zhenwei pi
|
24e1959062 |
virtio-crypto: introduce akcipher service
Introduce asymmetric service definition, asymmetric operations and several well known algorithms. Co-developed-by: lei he <helei.sig11@bytedance.com> Signed-off-by: lei he <helei.sig11@bytedance.com> Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Link: https://lore.kernel.org/r/20220302033917.1295334-3-pizhenwei@bytedance.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> |
||
|
zhenwei pi
|
13d640a3e9 |
virtio_crypto: Introduce VIRTIO_CRYPTO_NOSPC
Base on the lastest virtio crypto spec, define VIRTIO_CRYPTO_NOSPC. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Link: https://lore.kernel.org/r/20220302033917.1295334-2-pizhenwei@bytedance.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
||
Gautam Dawar
|
90a6951b58 |
Add definition of VIRTIO_F_IN_ORDER feature bit
This patch adds the definition of VIRTIO_F_IN_ORDER feature bit in the relevant header file to make it available in QEMU's linux standard header file virtio_config.h, which is updated using scripts/update-linux-headers.sh Signed-off-by: Gautam Dawar <gdawar@xilinx.com> Link: https://lore.kernel.org/r/20220215053430.24650-1-gdawar@xilinx.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> |
||
|
Linus Torvalds
|
7203062171 |
TTY/Serial driver changes for 5.18-rc1
Here are the big set of tty and serial driver changes for 5.18-rc1.
Nothing major, some more good cleanups from Jiri and 2 new serial
drivers. Highlights include:
- termbits cleanups
- export symbol cleanups and other core cleanups from Jiri Slaby
- new sunplus and mvebu uart drivers (amazing that people are
still creating new uarts...)
- samsung serial driver cleanups
- ldisc 29 is now "reserved" for experimental/development line
disciplines
- lots of other tiny fixes and cleanups to serial drivers and
bindings
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here are the big set of tty and serial driver changes for 5.18-rc1.
Nothing major, some more good cleanups from Jiri and 2 new serial
drivers. Highlights include:
- termbits cleanups
- export symbol cleanups and other core cleanups from Jiri Slaby
- new sunplus and mvebu uart drivers (amazing that people are still
creating new uarts...)
- samsung serial driver cleanups
- ldisc 29 is now "reserved" for experimental/development line
disciplines
- lots of other tiny fixes and cleanups to serial drivers and
bindings
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (104 commits)
vt_ioctl: fix potential spectre v1 in VT_DISALLOCATE
serial: 8250: fix XOFF/XON sending when DMA is used
tty: serial: samsung: Add ARTPEC-8 support
dt-bindings: serial: samsung: Add ARTPEC-8 UART
serial: sc16is7xx: Clear RS485 bits in the shutdown
tty: serial: samsung: simplify getting OF match data
tty: serial: samsung: constify variables and pointers
tty: serial: samsung: constify s3c24xx_serial_drv_data members
tty: serial: samsung: constify UART name
tty: serial: samsung: constify s3c24xx_serial_drv_data
tty: serial: samsung: reduce number of casts
tty: serial: samsung: embed s3c2410_uartcfg in parent structure
tty: serial: samsung: embed s3c24xx_uart_info in parent structure
serial: 8250_tegra: mark acpi_device_id as unused with !ACPI
tty: serial: bcm63xx: use more precise Kconfig symbol
serial: SERIAL_SUNPLUS should depend on ARCH_SUNPLUS
tty: serial: jsm: fix two assignments in if conditions
tty: serial: jsm: remove redundant assignments to variable linestatus
serial: 8250_mtk: make two read-only arrays static const
serial: samsung_tty: do not unlock port->lock for uart_write_wakeup()
...
|
||
|
Linus Torvalds
|
02e2af20f4 |
Char/Misc and other driver updates for 5.18-rc1
Here is the big set of char/misc and other small driver subsystem updates for 5.18-rc1. Included in here are merges from driver subsystems which contain: - iio driver updates and new drivers - fsi driver updates - fpga driver updates - habanalabs driver updates and support for new hardware - soundwire driver updates and new drivers - phy driver updates and new drivers - coresight driver updates - icc driver updates Individual changes include: - mei driver updates - interconnect driver updates - new PECI driver subsystem added - vmci driver updates - lots of tiny misc/char driver updates There will be two merge conflicts with your tree, one in MAINTAINERS which is obvious to fix up, and one in drivers/phy/freescale/Kconfig which also should be easy to resolve. All of these have been in linux-next for a while with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYkG3fQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykNEgCfaRG8CRxewDXOO4+GSeA3NGK+AIoAnR89donC R4bgCjfg8BWIBcVVXg3/ =WWXC -----END PGP SIGNATURE----- Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc and other driver updates from Greg KH: "Here is the big set of char/misc and other small driver subsystem updates for 5.18-rc1. Included in here are merges from driver subsystems which contain: - iio driver updates and new drivers - fsi driver updates - fpga driver updates - habanalabs driver updates and support for new hardware - soundwire driver updates and new drivers - phy driver updates and new drivers - coresight driver updates - icc driver updates Individual changes include: - mei driver updates - interconnect driver updates - new PECI driver subsystem added - vmci driver updates - lots of tiny misc/char driver updates All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits) firmware: google: Properly state IOMEM dependency kgdbts: fix return value of __setup handler firmware: sysfb: fix platform-device leak in error path firmware: stratix10-svc: add missing callback parameter on RSU arm64: dts: qcom: add non-secure domain property to fastrpc nodes misc: fastrpc: Add dma handle implementation misc: fastrpc: Add fdlist implementation misc: fastrpc: Add helper function to get list and page misc: fastrpc: Add support to secure memory map dt-bindings: misc: add fastrpc domain vmid property misc: fastrpc: check before loading process to the DSP misc: fastrpc: add secure domain support dt-bindings: misc: add property to support non-secure DSP misc: fastrpc: Add support to get DSP capabilities misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP misc: fastrpc: separate fastrpc device from channel context dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells dt-bindings: nvmem: make "reg" property optional nvmem: brcm_nvram: parse NVRAM content into NVMEM cells nvmem: dt-bindings: Fix the error of dt-bindings check ... |
||
|
Linus Torvalds
|
29c8c18363 |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: "This is the material which was staged after willystuff in linux-next. Subsystems affected by this patch series: mm (debug, selftests, pagecache, thp, rmap, migration, kasan, hugetlb, pagemap, madvise), and selftests" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (113 commits) selftests: kselftest framework: provide "finished" helper mm: madvise: MADV_DONTNEED_LOCKED mm: fix race between MADV_FREE reclaim and blkdev direct IO read mm: generalize ARCH_HAS_FILTER_PGPROT mm: unmap_mapping_range_tree() with i_mmap_rwsem shared mm: warn on deleting redirtied only if accounted mm/huge_memory: remove stale locking logic from __split_huge_pmd() mm/huge_memory: remove stale page_trans_huge_mapcount() mm/swapfile: remove stale reuse_swap_page() mm/khugepaged: remove reuse_swap_page() usage mm/huge_memory: streamline COW logic in do_huge_pmd_wp_page() mm: streamline COW logic in do_swap_page() mm: slightly clarify KSM logic in do_swap_page() mm: optimize do_wp_page() for fresh pages in local LRU pagevecs mm: optimize do_wp_page() for exclusive pages in the swapcache mm/huge_memory: make is_transparent_hugepage() static userfaultfd/selftests: enable hugetlb remap and remove event testing selftests/vm: add hugetlb madvise MADV_DONTNEED MADV_REMOVE test mm: enable MADV_DONTNEED for hugetlb mappings kasan: disable LOCKDEP when printing reports ... |
||
|
Linus Torvalds
|
34af78c4e6 |
IOMMU Updates for Linux v5.18
Including:
- IOMMU Core changes:
- Removal of aux domain related code as it is basically dead
and will be replaced by iommu-fd framework
- Split of iommu_ops to carry domain-specific call-backs
separatly
- Cleanup to remove useless ops->capable implementations
- Improve 32-bit free space estimate in iova allocator
- Intel VT-d updates:
- Various cleanups of the driver
- Support for ATS of SoC-integrated devices listed in
ACPI/SATC table
- ARM SMMU updates:
- Fix SMMUv3 soft lockup during continuous stream of events
- Fix error path for Qualcomm SMMU probe()
- Rework SMMU IRQ setup to prepare the ground for PMU support
- Minor cleanups and refactoring
- AMD IOMMU driver:
- Some minor cleanups and error-handling fixes
- Rockchip IOMMU driver:
- Use standard driver registration
- MSM IOMMU driver:
- Minor cleanup and change to standard driver registration
- Mediatek IOMMU driver:
- Fixes for IOTLB flushing logic
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Merge tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- IOMMU Core changes:
- Removal of aux domain related code as it is basically dead and
will be replaced by iommu-fd framework
- Split of iommu_ops to carry domain-specific call-backs separatly
- Cleanup to remove useless ops->capable implementations
- Improve 32-bit free space estimate in iova allocator
- Intel VT-d updates:
- Various cleanups of the driver
- Support for ATS of SoC-integrated devices listed in ACPI/SATC
table
- ARM SMMU updates:
- Fix SMMUv3 soft lockup during continuous stream of events
- Fix error path for Qualcomm SMMU probe()
- Rework SMMU IRQ setup to prepare the ground for PMU support
- Minor cleanups and refactoring
- AMD IOMMU driver:
- Some minor cleanups and error-handling fixes
- Rockchip IOMMU driver:
- Use standard driver registration
- MSM IOMMU driver:
- Minor cleanup and change to standard driver registration
- Mediatek IOMMU driver:
- Fixes for IOTLB flushing logic
* tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (47 commits)
iommu/amd: Improve amd_iommu_v2_exit()
iommu/amd: Remove unused struct fault.devid
iommu/amd: Clean up function declarations
iommu/amd: Call memunmap in error path
iommu/arm-smmu: Account for PMU interrupts
iommu/vt-d: Enable ATS for the devices in SATC table
iommu/vt-d: Remove unused function intel_svm_capable()
iommu/vt-d: Add missing "__init" for rmrr_sanity_check()
iommu/vt-d: Move intel_iommu_ops to header file
iommu/vt-d: Fix indentation of goto labels
iommu/vt-d: Remove unnecessary prototypes
iommu/vt-d: Remove unnecessary includes
iommu/vt-d: Remove DEFER_DEVICE_DOMAIN_INFO
iommu/vt-d: Remove domain and devinfo mempool
iommu/vt-d: Remove iova_cache_get/put()
iommu/vt-d: Remove finding domain in dmar_insert_one_dev_info()
iommu/vt-d: Remove intel_iommu::domains
iommu/mediatek: Always tlb_flush_all when each PM resume
iommu/mediatek: Add tlb_lock in tlb_flush_all
iommu/mediatek: Remove the power status checking in tlb flush all
...
|
||
|
Linus Torvalds
|
b1f8ccdaae |
- Significant refactoring and fixing of how DM core does bio-based IO
accounting with focus on fixing wildly inaccurate IO stats for dm-crypt (and other DM targets that defer bio submission in their own workqueues). End result is proper IO accounting, made possible by targets being updated to use the new dm_submit_bio_remap() interface. - Add hipri bio polling support (REQ_POLLED) to bio-based DM. - Reduce dm_io and dm_target_io structs so that a single dm_io (which contains dm_target_io and first clone bio) weighs in at 256 bytes. For reference the bio struct is 128 bytes. - Various other small cleanups, fixes or improvements in DM core and targets. - Update MAINTAINERS with my kernel.org email address to allow distinction between my "upstream" and "Red" Hats. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAmI7ghIACgkQxSPxCi2d A1q04wgAzaRu186WjfCO8MK0uyv3S52Rw1EsgYealAqoPwQJ9KkW2icvjtwRL+fJ 1+w6qE/Da6QdwXj9lGtp1XIXJFipNJSw3PSaE/tV2cXiBemZlzJ5vR6F6dfeYKmV /sGas46H2l+aD4Xr7unUmcN/AYrNIFtnucClY3+DlJFPesXQQc9a/XmL9RX9MrN4 MS9wLkh/5QSG3zReEct/4GVmNSJAjFfLkkeFHtLN82jvvDmnszRT5+aJ06WkXeOz OZmQfOPnJv5MnFUz9DOaRb/fTCoyxzxLnNM5Lt3jyFPk9Jf8Qz9TJ2rgskxsE83u UsCD/Y/QAdDcrRVB5SS6+yx4AS6uSA== =cinj -----END PGP SIGNATURE----- Merge tag 'for-5.18/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mike Snitzer: - Significant refactoring and fixing of how DM core does bio-based IO accounting with focus on fixing wildly inaccurate IO stats for dm-crypt (and other DM targets that defer bio submission in their own workqueues). End result is proper IO accounting, made possible by targets being updated to use the new dm_submit_bio_remap() interface. - Add hipri bio polling support (REQ_POLLED) to bio-based DM. - Reduce dm_io and dm_target_io structs so that a single dm_io (which contains dm_target_io and first clone bio) weighs in at 256 bytes. For reference the bio struct is 128 bytes. - Various other small cleanups, fixes or improvements in DM core and targets. - Update MAINTAINERS with my kernel.org email address to allow distinction between my "upstream" and "Red" Hats. * tag 'for-5.18/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (46 commits) dm: consolidate spinlocks in dm_io struct dm: reduce size of dm_io and dm_target_io structs dm: switch dm_target_io booleans over to proper flags dm: switch dm_io booleans over to proper flags dm: update email address in MAINTAINERS dm: return void from __send_empty_flush dm: factor out dm_io_complete dm cache: use dm_submit_bio_remap dm: simplify dm_sumbit_bio_remap interface dm thin: use dm_submit_bio_remap dm: add WARN_ON_ONCE to dm_submit_bio_remap dm: support bio polling block: add ->poll_bio to block_device_operations dm mpath: use DMINFO instead of printk with KERN_INFO dm: stop using bdevname dm-zoned: remove the ->name field in struct dmz_dev dm: remove unnecessary local variables in __bind dm: requeue IO if mapping table not yet available dm io: remove stale comment block for dm_io() dm thin metadata: remove unused dm_thin_remove_block and __remove ... |
||
Johannes Weiner
|
9457056ac4 |
mm: madvise: MADV_DONTNEED_LOCKED
MADV_DONTNEED historically rejects mlocked ranges, but with MLOCK_ONFAULT and MCL_ONFAULT allowing to mlock without populating, there are valid use cases for depopulating locked ranges as well. Users mlock memory to protect secrets. There are allocators for secure buffers that want in-use memory generally mlocked, but cleared and invalidated memory to give up the physical pages. This could be done with explicit munlock -> mlock calls on free -> alloc of course, but that adds two unnecessary syscalls, heavy mmap_sem write locks, vma splits and re-merges - only to get rid of the backing pages. Users also mlockall(MCL_ONFAULT) to suppress sustained paging, but are okay with on-demand initial population. It seems valid to selectively free some memory during the lifetime of such a process, without having to mess with its overall policy. Why add a separate flag? Isn't this a pretty niche usecase? - MADV_DONTNEED has been bailing on locked vmas forever. It's at least conceivable that someone, somewhere is relying on mlock to protect data from perhaps broader invalidation calls. Changing this behavior now could lead to quiet data corruption. - It also clarifies expectations around MADV_FREE and maybe MADV_REMOVE. It avoids the situation where one quietly behaves different than the others. MADV_FREE_LOCKED can be added later. - The combination of mlock() and madvise() in the first place is probably niche. But where it happens, I'd say that dropping pages from a locked region once they don't contain secrets or won't page anymore is much saner than relying on mlock to protect memory from speculative or errant invalidation calls. It's just that we can't change the default behavior because of the two previous points. Given that, an explicit new flag seems to make the most sense. [hannes@cmpxchg.org: fix mips build] Link: https://lkml.kernel.org/r/20220304171912.305060-1-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Nadav Amit <nadav.amit@gmail.com> Cc: David Hildenbrand <david@redhat.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
b14ffae378 |
drm for 5.18-rc1
dma-buf: - rename dma-buf-map to iosys-map core: - move buddy allocator to core - add pci/platform init macros - improve EDID parser deep color handling - EDID timing type 7 support - add GPD Win Max quirk - add yes/no helpers to string_helpers - flatten syncobj chains - add nomodeset support to lots of drivers - improve fb-helper clipping support - add default property value interface fbdev: - improve fbdev ops speed ttm: - add a backpointer from ttm bo->ttm resource dp: - move displayport headers - add a dp helper module bridge: - anx7625 atomic support, HDCP support panel: - split out panel-lvds and lvds bindings - find panels in OF subnodes privacy: - add chromeos privacy screen support fb: - hot unplug fw fb on forced removal simpledrm: - request region instead of marking ioresource busy - add panel oreintation property udmabuf: - fix oops with 0 pages amdgpu: - power management code cleanup - Enable freesync video mode by default - RAS code cleanup - Improve VRAM access for debug using SDMA - SR-IOV rework special register access and fixes - profiling power state request ioctl - expose IP discovery via sysfs - Cyan skillfish updates - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates - expose benchmark tests via debugfs - add module param to disable XGMI for testing - GPU reset debugfs register dumping support amdkfd: - CRIU support - SDMA queue fixes radeon: - UVD suspend fix - iMac backlight fix i915: - minimal parallel submission for execlists - DG2-G12 subplatform added - DG2 programming workarounds - DG2 accelerated migration support - flat CCS and CCS engine support for XeHP - initial small BAR support - drop fake LMEM support - ADL-N PCH support - bigjoiner updates - introduce VMA resources and async unbinding - register definitions cleanups - multi-FBC refactoring - DG1 OPROM over SPI support - ADL-N platform enabling - opregion mailbox #5 support - DP MST ESI improvements - drm device based logging - async flip optimisation for DG2 - CPU arch abstraction fixes - improve GuC ADS init to work on aarch64 - tweak TTM LRU priority hint - GuC 69.0.3 support - remove short term execbuf pins nouveau: - higher DP/eDP bitrates - backlight fixes msm: - dpu + dp support for sc8180x - dp support for sm8350 - dpu + dsi support for qcm2290 - 10nm dsi phy tuning support - bridge support for dp encoder - gpu support for additional 7c3 SKUs ingenic: - HDMI support for JZ4780 - aux channel EDID support ast: - AST2600 support - add wide screen support - create DP/DVI connectors omapdrm: - fix implicit dma_buf fencing vc4: - add CSC + full range support - better display firmware handoff panfrost: - add initial dual-core GPU support stm: - new revision support - fb handover support mediatek: - transfer display binding document to yaml format. - add mt8195 display device binding. - allow commands to be sent during video mode. - add wait_for_event for crtc disable by cmdq. tegra: - YUV format support rcar-du: - LVDS support for M3-W+ (R8A77961) exynos: - BGR pixel format for FIMD device -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmI71h4ACgkQDHTzWXnE hr6wKg//SvKFiEOhptua8Ao8XYkhXpg1/tgdAs4D7bZ0YgJyF4Im0RuFOKMmF3mN 0Y8AwguqrsmrOAFbK8B1WEysB66DmGlZN/V2Q75X7fui8xs4uGF2Fcxyr+265zhf vONPwAoxYr+KXqwOI1p1BP2QEL6bJTdu+nrXRsXIBIrWnw8ehXJlw3fDhgvG5QBn RPdbU7lQnd47hdYxkbe5SiZvWnPC46dJmpqsRJir0xjskR6juU36f34C4IKhTGwO NDPeWVgusVXtIC/F4X6RebCWG0f66h+CUFa9zeYIleI/2/5yZWXfcw6Obx8HgPkt gieiI0R4TpkVxeHCApCQ5UpxWgfSOXdoDoyw172bKQw7JCHVEkSwenyMEEwNet6r SCJrRmlB1PBI/iTWmhm9qgrU46ZZyAnQoTlCsXGzJncdP3hzGlA1embl00yfEl7f wzM35N20qd5T4VKUEF8QYF0fLZYmKw4cWVASu4hQ3qmGal6frilphz2J8JK8hQNq KhFqNbVTnZsQNr9LBCbrf0kOPaMzpmW+2vQG9ApdAb1N3gNPZT7ctti0Xq5N2OUR AipWFAsDPS2NPADKmBtDU55PgFH9MqUIsoHHXLV4Qi76dvCqYoN68qRQxrL7rpSu b0gr0YKU2QcIB/uytjOPHcgtI5Xvrh+q8JPz/dJ38/Esgjmk4wo= =uRsT -----END PGP SIGNATURE----- Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm Pull drm updates from Dave Airlie: "Lots of work all over, Intel improving DG2 support, amdkfd CRIU support, msm new hw support, and faster fbdev support. dma-buf: - rename dma-buf-map to iosys-map core: - move buddy allocator to core - add pci/platform init macros - improve EDID parser deep color handling - EDID timing type 7 support - add GPD Win Max quirk - add yes/no helpers to string_helpers - flatten syncobj chains - add nomodeset support to lots of drivers - improve fb-helper clipping support - add default property value interface fbdev: - improve fbdev ops speed ttm: - add a backpointer from ttm bo->ttm resource dp: - move displayport headers - add a dp helper module bridge: - anx7625 atomic support, HDCP support panel: - split out panel-lvds and lvds bindings - find panels in OF subnodes privacy: - add chromeos privacy screen support fb: - hot unplug fw fb on forced removal simpledrm: - request region instead of marking ioresource busy - add panel oreintation property udmabuf: - fix oops with 0 pages amdgpu: - power management code cleanup - Enable freesync video mode by default - RAS code cleanup - Improve VRAM access for debug using SDMA - SR-IOV rework special register access and fixes - profiling power state request ioctl - expose IP discovery via sysfs - Cyan skillfish updates - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates - expose benchmark tests via debugfs - add module param to disable XGMI for testing - GPU reset debugfs register dumping support amdkfd: - CRIU support - SDMA queue fixes radeon: - UVD suspend fix - iMac backlight fix i915: - minimal parallel submission for execlists - DG2-G12 subplatform added - DG2 programming workarounds - DG2 accelerated migration support - flat CCS and CCS engine support for XeHP - initial small BAR support - drop fake LMEM support - ADL-N PCH support - bigjoiner updates - introduce VMA resources and async unbinding - register definitions cleanups - multi-FBC refactoring - DG1 OPROM over SPI support - ADL-N platform enabling - opregion mailbox #5 support - DP MST ESI improvements - drm device based logging - async flip optimisation for DG2 - CPU arch abstraction fixes - improve GuC ADS init to work on aarch64 - tweak TTM LRU priority hint - GuC 69.0.3 support - remove short term execbuf pins nouveau: - higher DP/eDP bitrates - backlight fixes msm: - dpu + dp support for sc8180x - dp support for sm8350 - dpu + dsi support for qcm2290 - 10nm dsi phy tuning support - bridge support for dp encoder - gpu support for additional 7c3 SKUs ingenic: - HDMI support for JZ4780 - aux channel EDID support ast: - AST2600 support - add wide screen support - create DP/DVI connectors omapdrm: - fix implicit dma_buf fencing vc4: - add CSC + full range support - better display firmware handoff panfrost: - add initial dual-core GPU support stm: - new revision support - fb handover support mediatek: - transfer display binding document to yaml format. - add mt8195 display device binding. - allow commands to be sent during video mode. - add wait_for_event for crtc disable by cmdq. tegra: - YUV format support rcar-du: - LVDS support for M3-W+ (R8A77961) exynos: - BGR pixel format for FIMD device" * tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits) drm/i915/display: Do not re-enable PSR after it was marked as not reliable drm/i915/display: Fix HPD short pulse handling for eDP drm/amdgpu: Use drm_mode_copy() drm/radeon: Use drm_mode_copy() drm/amdgpu: Use ternary operator in `vcn_v1_0_start()` drm/amdgpu: Remove pointless on stack mode copies drm/amd/pm: fix indenting in __smu_cmn_reg_print_error() drm/amdgpu/dc: fix typos in comments drm/amdgpu: fix typos in comments drm/amd/pm: fix typos in comments drm/amdgpu: Add stolen reserved memory for MI25 SRIOV. drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations. drm/amdkfd: evict svm bo worker handle error drm/amdgpu/vcn: fix vcn ring test failure in igt reload test drm/amdgpu: only allow secure submission on rings which support that drm/amdgpu: fixed the warnings reported by kernel test robot drm/amd/display: 3.2.177 drm/amd/display: [FW Promotion] Release 0.0.108.0 drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2 drm/amd/display: Wait for hubp read line for Pollock ... |