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port-range
After this patch:
# ./tc_flower_port_range.sh
TEST: Port range matching - IPv4 UDP [ OK ]
TEST: Port range matching - IPv4 TCP [ OK ]
TEST: Port range matching - IPv6 UDP [ OK ]
TEST: Port range matching - IPv6 TCP [ OK ]
TEST: Port range matching - IPv4 UDP Drop [ OK ]
Cc: Qiang Zhang <dtzq01@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250218043210.732959-3-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch fixes a bug in TC flower filter where rules combining a
specific destination port with a source port range weren't working
correctly.
The specific case was when users tried to configure rules like:
tc filter add dev ens38 ingress protocol ip flower ip_proto udp \
dst_port 5000 src_port 2000-3000 action drop
The root cause was in the flow dissector code. While both
FLOW_DISSECTOR_KEY_PORTS and FLOW_DISSECTOR_KEY_PORTS_RANGE flags
were being set correctly in the classifier, the __skb_flow_dissect_ports()
function was only populating one of them: whichever came first in
the enum check. This meant that when the code needed both a specific
port and a port range, one of them would be left as 0, causing the
filter to not match packets as expected.
Fix it by removing the either/or logic and instead checking and
populating both key types independently when they're in use.
Fixes: 8ffb055beae5 ("cls_flower: Fix the behavior using port ranges with hw-offload")
Reported-by: Qiang Zhang <dtzq01@gmail.com>
Closes: https://lore.kernel.org/netdev/CAPx+-5uvFxkhkz4=j_Xuwkezjn9U6kzKTD5jz4tZ9msSJ0fOJA@mail.gmail.com/
Cc: Yoshiki Komachi <komachi.yoshiki@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250218043210.732959-2-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kuniyuki Iwashima says:
====================
gtp/geneve: Suppress list_del() splat during ->exit_batch_rtnl().
The common pattern in tunnel device's ->exit_batch_rtnl() is iterating
two netdev lists for each netns: (i) for_each_netdev() to clean up
devices in the netns, and (ii) the device type specific list to clean
up devices in other netns.
list_for_each_entry(net, net_list, exit_list) {
for_each_netdev_safe(net, dev, next) {
/* (i) call unregister_netdevice_queue(dev, list) */
}
list_for_each_entry_safe(xxx, xxx_next, &net->yyy, zzz) {
/* (ii) call unregister_netdevice_queue(xxx->dev, list) */
}
}
Then, ->exit_batch_rtnl() could touch the same device twice.
Say we have two netns A & B and device B that is created in netns A and
moved to netns B.
1. cleanup_net() processes netns A and then B.
2. ->exit_batch_rtnl() finds the device B while iterating netns A's (ii)
[ device B is not yet unlinked from netns B as
unregister_netdevice_many() has not been called. ]
3. ->exit_batch_rtnl() finds the device B while iterating netns B's (i)
gtp and geneve calls ->dellink() at 2. and 3. that calls list_del() for (ii)
and unregister_netdevice_queue().
Calling unregister_netdevice_queue() twice is fine because it uses
list_move_tail(), but the 2nd list_del() triggers a splat when
CONFIG_DEBUG_LIST is enabled.
Possible solution is either of
(a) Use list_del_init() in ->dellink()
(b) Iterate dev with empty ->unreg_list for (i) like
#define for_each_netdev_alive(net, d) \
list_for_each_entry(d, &(net)->dev_base_head, dev_list) \
if (list_empty(&d->unreg_list))
(c) Remove (i) and delegate it to default_device_exit_batch().
This series avoids the 2nd ->dellink() by (c) to suppress the splat for
gtp and geneve.
Note that IPv4/IPv6 tunnels calls just unregister_netdevice() during
->exit_batch_rtnl() and dev is unlinked from (ii) later in ->ndo_uninit(),
so they are safe.
Also, pfcp has the same pattern but is safe because
unregister_netdevice_many() is called for each netns.
====================
Link: https://patch.msgid.link/20250217203705.40342-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As explained in the previous patch, iterating for_each_netdev() and
gn->geneve_list during ->exit_batch_rtnl() could trigger ->dellink()
twice for the same device.
If CONFIG_DEBUG_LIST is enabled, we will see a list_del() corruption
splat in the 2nd call of geneve_dellink().
Let's remove for_each_netdev() in geneve_destroy_tunnels() and delegate
that part to default_device_exit_batch().
Fixes: 9593172d93b9 ("geneve: Fix use-after-free in geneve_find_dev().")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250217203705.40342-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Brad Spengler reported the list_del() corruption splat in
gtp_net_exit_batch_rtnl(). [0]
Commit eb28fd76c0a0 ("gtp: Destroy device along with udp socket's netns
dismantle.") added the for_each_netdev() loop in gtp_net_exit_batch_rtnl()
to destroy devices in each netns as done in geneve and ip tunnels.
However, this could trigger ->dellink() twice for the same device during
->exit_batch_rtnl().
Say we have two netns A & B and gtp device B that resides in netns B but
whose UDP socket is in netns A.
1. cleanup_net() processes netns A and then B.
2. gtp_net_exit_batch_rtnl() finds the device B while iterating
netns A's gn->gtp_dev_list and calls ->dellink().
[ device B is not yet unlinked from netns B
as unregister_netdevice_many() has not been called. ]
3. gtp_net_exit_batch_rtnl() finds the device B while iterating
netns B's for_each_netdev() and calls ->dellink().
gtp_dellink() cleans up the device's hash table, unlinks the dev from
gn->gtp_dev_list, and calls unregister_netdevice_queue().
Basically, calling gtp_dellink() multiple times is fine unless
CONFIG_DEBUG_LIST is enabled.
Let's remove for_each_netdev() in gtp_net_exit_batch_rtnl() and
delegate the destruction to default_device_exit_batch() as done
in bareudp.
[0]:
list_del corruption, ffff8880aaa62c00->next (autoslab_size_M_dev_P_net_core_dev_11127_8_1328_8_S_4096_A_64_n_139+0xc00/0x1000 [slab object]) is LIST_POISON1 (ffffffffffffff02) (prev is 0xffffffffffffff04)
kernel BUG at lib/list_debug.c:58!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 UID: 0 PID: 1804 Comm: kworker/u8:7 Tainted: G T 6.12.13-grsec-full-20250211091339 #1
Tainted: [T]=RANDSTRUCT
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:[<ffffffff84947381>] __list_del_entry_valid_or_report+0x141/0x200 lib/list_debug.c:58
Code: c2 76 91 31 c0 e8 9f b1 f7 fc 0f 0b 4d 89 f0 48 c7 c1 02 ff ff ff 48 89 ea 48 89 ee 48 c7 c7 e0 c2 76 91 31 c0 e8 7f b1 f7 fc <0f> 0b 4d 89 e8 48 c7 c1 04 ff ff ff 48 89 ea 48 89 ee 48 c7 c7 60
RSP: 0018:fffffe8040b4fbd0 EFLAGS: 00010283
RAX: 00000000000000cc RBX: dffffc0000000000 RCX: ffffffff818c4054
RDX: ffffffff84947381 RSI: ffffffff818d1512 RDI: 0000000000000000
RBP: ffff8880aaa62c00 R08: 0000000000000001 R09: fffffbd008169f32
R10: fffffe8040b4f997 R11: 0000000000000001 R12: a1988d84f24943e4
R13: ffffffffffffff02 R14: ffffffffffffff04 R15: ffff8880aaa62c08
RBX: kasan shadow of 0x0
RCX: __wake_up_klogd.part.0+0x74/0xe0 kernel/printk/printk.c:4554
RDX: __list_del_entry_valid_or_report+0x141/0x200 lib/list_debug.c:58
RSI: vprintk+0x72/0x100 kernel/printk/printk_safe.c:71
RBP: autoslab_size_M_dev_P_net_core_dev_11127_8_1328_8_S_4096_A_64_n_139+0xc00/0x1000 [slab object]
RSP: process kstack fffffe8040b4fbd0+0x7bd0/0x8000 [kworker/u8:7+netns 1804 ]
R09: kasan shadow of process kstack fffffe8040b4f990+0x7990/0x8000 [kworker/u8:7+netns 1804 ]
R10: process kstack fffffe8040b4f997+0x7997/0x8000 [kworker/u8:7+netns 1804 ]
R15: autoslab_size_M_dev_P_net_core_dev_11127_8_1328_8_S_4096_A_64_n_139+0xc08/0x1000 [slab object]
FS: 0000000000000000(0000) GS:ffff888116000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000748f5372c000 CR3: 0000000015408000 CR4: 00000000003406f0 shadow CR4: 00000000003406f0
Stack:
0000000000000000 ffffffff8a0c35e7 ffffffff8a0c3603 ffff8880aaa62c00
ffff8880aaa62c00 0000000000000004 ffff88811145311c 0000000000000005
0000000000000001 ffff8880aaa62000 fffffe8040b4fd40 ffffffff8a0c360d
Call Trace:
<TASK>
[<ffffffff8a0c360d>] __list_del_entry_valid include/linux/list.h:131 [inline] fffffe8040b4fc28
[<ffffffff8a0c360d>] __list_del_entry include/linux/list.h:248 [inline] fffffe8040b4fc28
[<ffffffff8a0c360d>] list_del include/linux/list.h:262 [inline] fffffe8040b4fc28
[<ffffffff8a0c360d>] gtp_dellink+0x16d/0x360 drivers/net/gtp.c:1557 fffffe8040b4fc28
[<ffffffff8a0d0404>] gtp_net_exit_batch_rtnl+0x124/0x2c0 drivers/net/gtp.c:2495 fffffe8040b4fc88
[<ffffffff8e705b24>] cleanup_net+0x5a4/0xbe0 net/core/net_namespace.c:635 fffffe8040b4fcd0
[<ffffffff81754c97>] process_one_work+0xbd7/0x2160 kernel/workqueue.c:3326 fffffe8040b4fd88
[<ffffffff81757195>] process_scheduled_works kernel/workqueue.c:3407 [inline] fffffe8040b4fec0
[<ffffffff81757195>] worker_thread+0x6b5/0xfa0 kernel/workqueue.c:3488 fffffe8040b4fec0
[<ffffffff817782a0>] kthread+0x360/0x4c0 kernel/kthread.c:397 fffffe8040b4ff78
[<ffffffff814d8594>] ret_from_fork+0x74/0xe0 arch/x86/kernel/process.c:172 fffffe8040b4ffb8
[<ffffffff8110f509>] ret_from_fork_asm+0x29/0xc0 arch/x86/entry/entry_64.S:399 fffffe8040b4ffe8
</TASK>
Modules linked in:
Fixes: eb28fd76c0a0 ("gtp: Destroy device along with udp socket's netns dismantle.")
Reported-by: Brad Spengler <spender@grsecurity.net>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250217203705.40342-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"18 hotfixes. 5 are cc:stable and the remainder address post-6.13
issues or aren't considered necessary for -stable kernels.
10 are for MM and 8 are for non-MM. All are singletons, please see the
changelogs for details"
* tag 'mm-hotfixes-stable-2025-02-19-17-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
test_xarray: fix failure in check_pause when CONFIG_XARRAY_MULTI is not defined
kasan: don't call find_vm_area() in a PREEMPT_RT kernel
MAINTAINERS: update Nick's contact info
selftests/mm: fix check for running THP tests
mm: hugetlb: avoid fallback for specific node allocation of 1G pages
memcg: avoid dead loop when setting memory.max
mailmap: update Nick's entry
mm: pgtable: fix incorrect reclaim of non-empty PTE pages
taskstats: modify taskstats version
getdelays: fix error format characters
mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize()
tools/mm: fix build warnings with musl-libc
mailmap: add entry for Feng Tang
.mailmap: add entries for Jeff Johnson
mm,madvise,hugetlb: check for 0-length range after end address adjustment
mm/zswap: fix inconsistency when zswap_store_page() fails
lib/iov_iter: fix import_iovec_ubuf iovec management
procfs: fix a locking bug in a vmcore_add_device_dump() error path
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We don't want to be holding the srcu lock while waiting on btree write
completions - easily fixed.
Reported-by: Janpieter Sollie <janpieter.sollie@edpnet.be>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We had some error handling confusion here;
-BCH_ERR_missing_indirect_extent is thrown by
trans_trigger_reflink_p_segment(); at this point we haven't decide
whether we're generating an error.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Move code forcing synchronous execution of multishot read requests out
a more generic __io_read().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4ad7b928c776d1ad59addb9fff64ef2d1fc474d5.1739919038.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Initialise ki_complete during request prep stage, we'll depend on it not
being reset during issue in the following patch.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/817624086bd5f0448b08c80623399919fda82f34.1739919038.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We want to avoid checking ->ki_complete directly in the io_uring
completion path. Fortunately we have only two callback the selection
of which depend on the ring constant flags, i.e. IOPOLL, so use that
to infer the function.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4eb4bdab8cbcf5bc87083f7047edc81e920ab83c.1739919038.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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At the moment we can't sanely handle queuing an async request from a
multishot context, so disable them. It shouldn't matter as pollable
files / socekts don't normally do async.
Patching it in __io_read() is not the cleanest way, but it's simpler
than other options, so let's fix it there and clean up on top.
Cc: stable@vger.kernel.org
Reported-by: chase xd <sl1589472800@gmail.com>
Fixes: fc68fcda04910 ("io_uring/rw: add support for IORING_OP_READ_MULTISHOT")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7d51732c125159d17db4fe16f51ec41b936973f8.1739919038.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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During disabling the transcoder in DP 128b/132b mode (both in case of an
MST master transcoder and in case of SST) the transcoder function must
be first disabled without changing any other field in the register (in
particular leaving the DDI port and mode select fields unchanged) and
clearing the DDI port and mode select fields separately, later during
the disabling sequences. Fix the sequence accordingly.
Bspec: 54128, 65448, 68849
Cc: Jani Nikula <jani.nikula@intel.com>
Fixes: 79a6734cd56e ("drm/i915/ddi: disable trancoder port select for 128b/132b SST")
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250217223828.1166093-3-imre.deak@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 2ed653c7b843db0670136330480842d76cb65cd8)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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At the end of a 128b/132b link training sequence, the HW expects the
transcoder training pattern to be set to TPS2 and from that to normal
mode (disabling the training pattern). Transitioning from TPS1 directly
to normal mode leaves the transcoder in a stuck state, resulting in
page-flip timeouts later in the modeset sequence.
Atm, in case of a failure during link training, the transcoder may be
still set to output the TPS1 pattern. Later the transcoder is then set
from TPS1 directly to normal mode in intel_dp_stop_link_train(), leading
to modeset failures later as described above. Fix this by setting the
training patter to TPS2, if the link training failed at any point.
The clue in the specification about the above HW behavior is the
explicit mention that TPS2 must be set after the link training sequence
(and there isn't a similar requirement specified for the 8b/10b link
training), see the Bspec links below.
v2: Add bspec aspect/link to the commit log. (Jani)
Bspec: 54128, 65448, 68849
Cc: stable@vger.kernel.org # v5.18+
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250217223828.1166093-2-imre.deak@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 8b4bbaf8ddc1f68f3ee96a706f65fdb1bcd9d355)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Error handling was wrong, causing unhandled transaction restart errors.
check_directory_size() was also inefficient, since keys in multiple
snapshots would be iterated over once for every snapshot. Convert it to
the same scheme used for i_sectors and subdir count checking.
Cc: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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When compiling without CONFIG_IA32_EMULATION, there can be some errors:
drivers/accel/amdxdna/amdxdna_mailbox.c: In function ‘mailbox_release_msg’:
drivers/accel/amdxdna/amdxdna_mailbox.c:197:2: error: implicit declaration
of function ‘kfree’.
197 | kfree(mb_msg);
| ^~~~~
drivers/accel/amdxdna/amdxdna_mailbox.c: In function ‘xdna_mailbox_send_msg’:
drivers/accel/amdxdna/amdxdna_mailbox.c:418:11: error:implicit declaration
of function ‘kzalloc’.
418 | mb_msg = kzalloc(sizeof(*mb_msg) + pkg_size, GFP_KERNEL);
| ^~~~~~~
Add the missing include.
Fixes: b87f920b9344 ("accel/amdxdna: Support hardware mailbox")
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250211015354.3388171-1-suhui@nfschina.com
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directory nodes
If the reparse point was not handled (indicated by the -EOPNOTSUPP from
ops->parse_reparse_point() call) but reparse tag is of type name surrogate
directory type, then treat is as a new mount point.
Name surrogate reparse point represents another named entity in the system.
From SMB client point of view, this another entity is resolved on the SMB
server, and server serves its content automatically. Therefore from Linux
client point of view, this name surrogate reparse point of directory type
crosses mount point.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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parse_reparse_point()
This would help to track and detect by caller if the reparse point type was
processed or not.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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POSIX extensions
If a file size has bits 0x410 = ATTR_DIRECTORY | ATTR_REPARSE set
then during queryinfo (stat) the file is regarded as a directory
and subsequent opens can fail. A simple test example is trying
to open any file 1040 bytes long when mounting with "posix"
(SMB3.1.1 POSIX/Linux Extensions).
The cause of this bug is that Attributes field in smb2_file_all_info
struct occupies the same place that EndOfFile field in
smb311_posix_qinfo, and sometimes the latter struct is incorrectly
processed as if it was the first one.
Reported-by: Oleh Nykyforchyn <oleh.nyk@gmail.com>
Tested-by: Oleh Nykyforchyn <oleh.nyk@gmail.com>
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
So, in order to avoid ending up with flexible-array members in the
middle of other structs, we use the `__struct_group()` helper to
separate the flexible arrays from the rest of the members in the
flexible structures. We then use the newly created tagged `struct
smb2_file_link_info_hdr` and `struct smb2_file_rename_info_hdr`
to replace the type of the objects causing trouble: `rename_info`
and `link_info` in `struct smb2_compound_vars`.
We also want to ensure that when new members need to be added to the
flexible structures, they are always included within the newly created
tagged structs. For this, we use `static_assert()`. This ensures that the
memory layout for both the flexible structure and the new tagged struct
is the same after any changes.
So, with these changes, fix 86 of the following warnings:
fs/smb/client/cifsglob.h:2335:36: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
fs/smb/client/cifsglob.h:2334:38: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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drm_atomic_helper_wait_for_flip_done()
drm_atomic_helper_wait_for_flip_done() will wait for pages flips on all
CRTCs affected by a given commit. It takes the drm_atomic_state being
committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-26-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_cleanup_done()
drm_atomic_helper_wait_for_dependencies() is the final part of a commit
and signals it completion. It takes the drm_atomic_state being committed
as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-25-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_cleanup_planes() is one of the final part of a commit,
and will free up all plane resources used in the previous commit. It
takes the drm_atomic_state being committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-24-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_wait_for_vblanks() waits for vblank events on all the
CRTCs affected by a commit. It takes the drm_atomic_state being
committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-23-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_hw_done() signals hardware completion of a
given commit. It takes the drm_atomic_state being committed as a
parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-22-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_fake_vblank() fake a vblank event if needed when a new
commit is being applied. It takes the drm_atomic_state being committed
as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-21-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_writebacks()
drm_atomic_helper_commit_writebacks() updates all writeback connectors
affected by a new commit. It takes the drm_atomic_state being committed
as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-20-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_bridge_chain_enable() enables all bridges affected by a new
commit. It takes the drm_atomic_state being committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-19-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_bridge_chain_pre_enable() enables all bridges affected by
a new commit. It takes the drm_atomic_state being committed as a
parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-18-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_modeset_enables()
drm_atomic_helper_commit_modeset_enables() enables all outputs affected
by a new commit. It takes the drm_atomic_state being committed as a
parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-17-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_planes() updates all planes affected by a new
commit. It takes the drm_atomic_state being committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-16-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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crtc_set_mode() deals with calling the modeset related hooks for CRTC,
connectors and bridges if and when a new commit changes them. It takes
the drm_atomic_state being committed as a parameter.
However, that parameter name is called as old_state, which is pretty
confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-15-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_update_legacy_modeset_state()
drm_atomic_helper_update_legacy_modeset_state() updates all the legacy
modeset pointers a connector, encoder or CRTC might have with the ones
being setup by a given commit. It takes the drm_atomic_state being
committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-14-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_bridge_chain_post_disable() disables all bridges affected by
a new commit. It takes the drm_atomic_state being committed as a
parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-13-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_bridge_chain_disable() disables all bridges affected by a new
commit. It takes the drm_atomic_state being committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-12-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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disable_outputs() disables all connectors and CRTCs affected by a
commit. It takes the drm_atomic_state being committed as a parameter.
However, that parameter name is called as old_state, which is pretty
confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-11-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_modeset_disables() disables all the outputs affected
by a commit. It takes the drm_atomic_state being committed as a
parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-10-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_tail_rpm() is the final part of an atomic
commit, and is given the state being committed as a parameter.
However, that parameter is named old_state, but documented as the "new
modeset state" which is all super confusing.
Let's rename that parameter to state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-9-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_commit_tail() is the final part of an atomic commit,
and is given a parameter with the drm_atomic_state being committed.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-8-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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drm_atomic_helper_wait_for_dependencies()
drm_atomic_helper_wait_for_dependencies() waits for all the dependencies
a commit has before going forward with it. It takes the drm_atomic_state
being committed as a parameter.
However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-7-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Even though the commit_tail () drm_atomic_state parameter is called
old_state, it's actually the state being committed which is confusing.
It's even more confusing since the atomic_commit_tail hook being called
by commit_tail() parameter is called state.
Let's rename the variable from old_state to state to make it less
confusing.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-6-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_post_disable hook prototype to
pass it directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-5-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_disable hook prototype to pass
it directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-4-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_enable hook prototype to pass it
directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-3-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_pre_enable hook prototype to
pass it directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-2-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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After some discussions on the mailing-list for an earlier revision of
the series, it was suggested to document the evolution of
drm_atomic_state and its use by drivers to explain some of the confusion
one might still encounter when reading the framework code.
Suggested-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://lore.kernel.org/dri-devel/Z4jtKHY4qN3RNZNG@phenom.ffwll.local/
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-1-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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IO_NODE_ALLOC_CACHE_MAX has been unused since commit fbbb8e991d86
("io_uring/rsrc: get rid of io_rsrc_node allocation cache") removed the
rsrc_node_cache.
IO_RSRC_TAG_TABLE_SHIFT and IO_RSRC_TAG_TABLE_MASK have been unused
since commit 7029acd8a950 ("io_uring/rsrc: get rid of per-ring
io_rsrc_node list") removed the separate tag table for registered nodes.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/20250219033444.2020136-1-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If "rpc" is an error pointer then return directly. Otherwise it leads
to an error pointer dereference.
Fixes: 50f290053d79 ("drm/nouveau: support handling the return of large GSP message")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Zhi Wang <zhiw@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/b7052ac0-98e4-433b-ad58-f563bf51858c@stanley.mountain
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https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/fixes
Fix writes on SST flashes
Commit 18bcb4aa54ea ("mtd: spi-nor: sst: Factor out common write
operation to `sst_nor_write_data()`") introduced a bug where only one
byte of data is written, regardless of the number of bytes requested.
This causes the driver to use the incorrect write size for flashes using
the SST byte programming, and to spit out a warning.
# -----BEGIN PGP SIGNATURE-----
#
# iIoEABYIADIWIQQTlUWNzXGEo3bFmyIR4drqP028CQUCZ7NEiBQccHJhdHl1c2hA
# a2VybmVsLm9yZwAKCRAR4drqP028CTVnAP9krBOLfmlYO94PntaDscgjcehnxbuF
# PEQby8/KlEnX0gEA5K73/0oQIZUnHQ98E6ntAtKoYD5zGNAJaYDpw+66CAU=
# =5xea
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 17 Feb 2025 03:15:36 PM CET
# gpg: using EDDSA key 1395458DCD7184A376C59B2211E1DAEA3F4DBC09
# gpg: issuer "pratyush@kernel.org"
# gpg: Good signature from "Pratyush Yadav <p.yadav@ti.com>" [expired]
# gpg: aka "Pratyush Yadav <me@yadavpratyush.com>" [expired]
# gpg: issuer "pratyush@kernel.org" does not match any User ID
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 805C 3923 2FBE 108C 49E1 663C F650 3556 C11B 1CCD
# Subkey fingerprint: 1395 458D CD71 84A3 76C5 9B22 11E1 DAEA 3F4D BC09
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Add NULL check before variable dereference to fix static checker warning.
Fixes: d76d22b5096c ("mtd: rawnand: cadence: use dma_map_resource for sdma address")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/e448a22c-bada-448d-9167-7af71305130d@stanley.mountain/
Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@intel.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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