| Age | Commit message (Collapse) | Author | Files | Lines |
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s/packat/packet/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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hci_chan can be created in 2 places: hci_loglink_complete_evt() if
it is an AMP hci_chan, or l2cap_conn_add() otherwise. In theory,
Only AMP hci_chan should be removed by a call to
hci_disconn_loglink_complete_evt(). However, the controller might mess
up, call that function, and destroy an hci_chan which is not initiated
by hci_loglink_complete_evt().
This patch adds a verification that the destroyed hci_chan must have
been init'd by hci_loglink_complete_evt().
Example crash call trace:
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xe3/0x144 lib/dump_stack.c:118
print_address_description+0x67/0x22a mm/kasan/report.c:256
kasan_report_error mm/kasan/report.c:354 [inline]
kasan_report mm/kasan/report.c:412 [inline]
kasan_report+0x251/0x28f mm/kasan/report.c:396
hci_send_acl+0x3b/0x56e net/bluetooth/hci_core.c:4072
l2cap_send_cmd+0x5af/0x5c2 net/bluetooth/l2cap_core.c:877
l2cap_send_move_chan_cfm_icid+0x8e/0xb1 net/bluetooth/l2cap_core.c:4661
l2cap_move_fail net/bluetooth/l2cap_core.c:5146 [inline]
l2cap_move_channel_rsp net/bluetooth/l2cap_core.c:5185 [inline]
l2cap_bredr_sig_cmd net/bluetooth/l2cap_core.c:5464 [inline]
l2cap_sig_channel net/bluetooth/l2cap_core.c:5799 [inline]
l2cap_recv_frame+0x1d12/0x51aa net/bluetooth/l2cap_core.c:7023
l2cap_recv_acldata+0x2ea/0x693 net/bluetooth/l2cap_core.c:7596
hci_acldata_packet net/bluetooth/hci_core.c:4606 [inline]
hci_rx_work+0x2bd/0x45e net/bluetooth/hci_core.c:4796
process_one_work+0x6f8/0xb50 kernel/workqueue.c:2175
worker_thread+0x4fc/0x670 kernel/workqueue.c:2321
kthread+0x2f0/0x304 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
Allocated by task 38:
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0x8d/0x9a mm/kasan/kasan.c:553
kmem_cache_alloc_trace+0x102/0x129 mm/slub.c:2787
kmalloc include/linux/slab.h:515 [inline]
kzalloc include/linux/slab.h:709 [inline]
hci_chan_create+0x86/0x26d net/bluetooth/hci_conn.c:1674
l2cap_conn_add.part.0+0x1c/0x814 net/bluetooth/l2cap_core.c:7062
l2cap_conn_add net/bluetooth/l2cap_core.c:7059 [inline]
l2cap_connect_cfm+0x134/0x852 net/bluetooth/l2cap_core.c:7381
hci_connect_cfm+0x9d/0x122 include/net/bluetooth/hci_core.h:1404
hci_remote_ext_features_evt net/bluetooth/hci_event.c:4161 [inline]
hci_event_packet+0x463f/0x72fa net/bluetooth/hci_event.c:5981
hci_rx_work+0x197/0x45e net/bluetooth/hci_core.c:4791
process_one_work+0x6f8/0xb50 kernel/workqueue.c:2175
worker_thread+0x4fc/0x670 kernel/workqueue.c:2321
kthread+0x2f0/0x304 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
Freed by task 1732:
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free mm/kasan/kasan.c:521 [inline]
__kasan_slab_free+0x106/0x128 mm/kasan/kasan.c:493
slab_free_hook mm/slub.c:1409 [inline]
slab_free_freelist_hook+0xaa/0xf6 mm/slub.c:1436
slab_free mm/slub.c:3009 [inline]
kfree+0x182/0x21e mm/slub.c:3972
hci_disconn_loglink_complete_evt net/bluetooth/hci_event.c:4891 [inline]
hci_event_packet+0x6a1c/0x72fa net/bluetooth/hci_event.c:6050
hci_rx_work+0x197/0x45e net/bluetooth/hci_core.c:4791
process_one_work+0x6f8/0xb50 kernel/workqueue.c:2175
worker_thread+0x4fc/0x670 kernel/workqueue.c:2321
kthread+0x2f0/0x304 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
The buggy address belongs to the object at ffff8881d7af9180
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 24 bytes inside of
128-byte region [ffff8881d7af9180, ffff8881d7af9200)
The buggy address belongs to the page:
page:ffffea00075ebe40 count:1 mapcount:0 mapping:ffff8881da403200 index:0x0
flags: 0x8000000000000200(slab)
raw: 8000000000000200 dead000000000100 dead000000000200 ffff8881da403200
raw: 0000000000000000 0000000080150015 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8881d7af9080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
ffff8881d7af9100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8881d7af9180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8881d7af9200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8881d7af9280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reported-by: syzbot+98228e7407314d2d4ba2@syzkaller.appspotmail.com
Reviewed-by: Alain Michaud <alainm@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Currently l2cap_chan_set_defaults() reset chan->conf_state to zero.
However, there is a flag CONF_NOT_COMPLETE which is set when
creating the l2cap_chan. It is suggested that the flag should be
cleared when l2cap_chan is ready, but when l2cap_chan_set_defaults()
is called, l2cap_chan is not yet ready. Therefore, we must set this
flag as the default.
Example crash call trace:
__dump_stack lib/dump_stack.c:15 [inline]
dump_stack+0xc4/0x118 lib/dump_stack.c:56
panic+0x1c6/0x38b kernel/panic.c:117
__warn+0x170/0x1b9 kernel/panic.c:471
warn_slowpath_fmt+0xc7/0xf8 kernel/panic.c:494
debug_print_object+0x175/0x193 lib/debugobjects.c:260
debug_object_assert_init+0x171/0x1bf lib/debugobjects.c:614
debug_timer_assert_init kernel/time/timer.c:629 [inline]
debug_assert_init kernel/time/timer.c:677 [inline]
del_timer+0x7c/0x179 kernel/time/timer.c:1034
try_to_grab_pending+0x81/0x2e5 kernel/workqueue.c:1230
cancel_delayed_work+0x7c/0x1c4 kernel/workqueue.c:2929
l2cap_clear_timer+0x1e/0x41 include/net/bluetooth/l2cap.h:834
l2cap_chan_del+0x2d8/0x37e net/bluetooth/l2cap_core.c:640
l2cap_chan_close+0x532/0x5d8 net/bluetooth/l2cap_core.c:756
l2cap_sock_shutdown+0x806/0x969 net/bluetooth/l2cap_sock.c:1174
l2cap_sock_release+0x64/0x14d net/bluetooth/l2cap_sock.c:1217
__sock_release+0xda/0x217 net/socket.c:580
sock_close+0x1b/0x1f net/socket.c:1039
__fput+0x322/0x55c fs/file_table.c:208
____fput+0x17/0x19 fs/file_table.c:244
task_work_run+0x19b/0x1d3 kernel/task_work.c:115
exit_task_work include/linux/task_work.h:21 [inline]
do_exit+0xe4c/0x204a kernel/exit.c:766
do_group_exit+0x291/0x291 kernel/exit.c:891
get_signal+0x749/0x1093 kernel/signal.c:2396
do_signal+0xa5/0xcdb arch/x86/kernel/signal.c:737
exit_to_usermode_loop arch/x86/entry/common.c:243 [inline]
prepare_exit_to_usermode+0xed/0x235 arch/x86/entry/common.c:277
syscall_return_slowpath+0x3a7/0x3b3 arch/x86/entry/common.c:348
int_ret_from_sys_call+0x25/0xa3
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reported-by: syzbot+338f014a98367a08a114@syzkaller.appspotmail.com
Reviewed-by: Alain Michaud <alainm@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Add the missing brcm,bcm4330-bt and brcm,bcm4334-bt to the
match table so device trees can use this compatible as well
and not need to use the fallback brcm,bcm4329-bt.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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BCM4334 was missing from the binding.
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Skip updation of tx and rx PHYs values, when PHY Update
event's status is not successful.
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Commit eab2404ba798 ("Bluetooth: Add BT_PHY socket option") added a
dependency between socket lock and hci_dev->lock that could lead to
deadlock.
It turns out that hci_conn_get_phy() is not in any way relying on hdev
being immutable during the runtime of this function, neither does it even
look at any of the members of hdev, and as such there is no need to hold
that lock.
This fixes the lockdep splat below:
======================================================
WARNING: possible circular locking dependency detected
5.12.0-rc1-00026-g73d464503354 #10 Not tainted
------------------------------------------------------
bluetoothd/1118 is trying to acquire lock:
ffff8f078383c078 (&hdev->lock){+.+.}-{3:3}, at: hci_conn_get_phy+0x1c/0x150 [bluetooth]
but task is already holding lock:
ffff8f07e831d920 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}, at: l2cap_sock_getsockopt+0x8b/0x610
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}:
lock_sock_nested+0x72/0xa0
l2cap_sock_ready_cb+0x18/0x70 [bluetooth]
l2cap_config_rsp+0x27a/0x520 [bluetooth]
l2cap_sig_channel+0x658/0x1330 [bluetooth]
l2cap_recv_frame+0x1ba/0x310 [bluetooth]
hci_rx_work+0x1cc/0x640 [bluetooth]
process_one_work+0x244/0x5f0
worker_thread+0x3c/0x380
kthread+0x13e/0x160
ret_from_fork+0x22/0x30
-> #2 (&chan->lock#2/1){+.+.}-{3:3}:
__mutex_lock+0xa3/0xa10
l2cap_chan_connect+0x33a/0x940 [bluetooth]
l2cap_sock_connect+0x141/0x2a0 [bluetooth]
__sys_connect+0x9b/0xc0
__x64_sys_connect+0x16/0x20
do_syscall_64+0x33/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #1 (&conn->chan_lock){+.+.}-{3:3}:
__mutex_lock+0xa3/0xa10
l2cap_chan_connect+0x322/0x940 [bluetooth]
l2cap_sock_connect+0x141/0x2a0 [bluetooth]
__sys_connect+0x9b/0xc0
__x64_sys_connect+0x16/0x20
do_syscall_64+0x33/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #0 (&hdev->lock){+.+.}-{3:3}:
__lock_acquire+0x147a/0x1a50
lock_acquire+0x277/0x3d0
__mutex_lock+0xa3/0xa10
hci_conn_get_phy+0x1c/0x150 [bluetooth]
l2cap_sock_getsockopt+0x5a9/0x610 [bluetooth]
__sys_getsockopt+0xcc/0x200
__x64_sys_getsockopt+0x20/0x30
do_syscall_64+0x33/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
&hdev->lock --> &chan->lock#2/1 --> sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP);
lock(&chan->lock#2/1);
lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP);
lock(&hdev->lock);
*** DEADLOCK ***
1 lock held by bluetoothd/1118:
#0: ffff8f07e831d920 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}, at: l2cap_sock_getsockopt+0x8b/0x610 [bluetooth]
stack backtrace:
CPU: 3 PID: 1118 Comm: bluetoothd Not tainted 5.12.0-rc1-00026-g73d464503354 #10
Hardware name: LENOVO 20K5S22R00/20K5S22R00, BIOS R0IET38W (1.16 ) 05/31/2017
Call Trace:
dump_stack+0x7f/0xa1
check_noncircular+0x105/0x120
? __lock_acquire+0x147a/0x1a50
__lock_acquire+0x147a/0x1a50
lock_acquire+0x277/0x3d0
? hci_conn_get_phy+0x1c/0x150 [bluetooth]
? __lock_acquire+0x2e1/0x1a50
? lock_is_held_type+0xb4/0x120
? hci_conn_get_phy+0x1c/0x150 [bluetooth]
__mutex_lock+0xa3/0xa10
? hci_conn_get_phy+0x1c/0x150 [bluetooth]
? lock_acquire+0x277/0x3d0
? mark_held_locks+0x49/0x70
? mark_held_locks+0x49/0x70
? hci_conn_get_phy+0x1c/0x150 [bluetooth]
hci_conn_get_phy+0x1c/0x150 [bluetooth]
l2cap_sock_getsockopt+0x5a9/0x610 [bluetooth]
__sys_getsockopt+0xcc/0x200
__x64_sys_getsockopt+0x20/0x30
do_syscall_64+0x33/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb73df33eee
Code: 48 8b 0d 85 0f 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 52 0f 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fffcfbbbf08 EFLAGS: 00000203 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb73df33eee
RDX: 000000000000000e RSI: 0000000000000112 RDI: 0000000000000018
RBP: 0000000000000000 R08: 00007fffcfbbbf44 R09: 0000000000000000
R10: 00007fffcfbbbf3c R11: 0000000000000203 R12: 0000000000000000
R13: 0000000000000018 R14: 0000000000000000 R15: 0000556fcefc70d0
Fixes: eab2404ba798 ("Bluetooth: Add BT_PHY socket option")
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This converts instances of BT_ERR and BT_DBG to bt_dev_err and
bt_dev_dbg which can be enabled at runtime when BT_FEATURE_DEBUG is
enabled.
Note: Not all instances could be converted as some are exercised by
selftest.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When receiving L2CAP_CREDIT_BASED_CONNECTION_REQ the remote may request
more channels than allowed by the spec (10 octecs = 5 CIDs) so this
checks if the number of channels is bigger than the maximum allowed and
respond with an error.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Not cancelling it has caused a bug where passive background scanning is
disabled out of the blue, preventing BLE keyboards/mice to reconnect.
Here is how it happens:
After hci_req_stop_discovery, there is still le_scan_restart_work
scheduled. Invocation of le_scan_restart_work causes a harmful
le_scan_disable_work to be scheduled. This le_scan_disable_work will
eventually disable passive scanning when the timer fires.
Sample btmon trace:
< HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7
Type: Passive (0x00)
Interval: 367.500 msec (0x024c)
Window: 37.500 msec (0x003c)
Own address type: Public (0x00)
Filter policy: Accept all advertisement (0x00)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Scan Parameters (0x08|0x000b) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2
Scanning: Enabled (0x01)
Filter duplicates: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Scan Enable (0x08|0x000c) ncmd 2
Status: Success (0x00)
...
< HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2
Scanning: Disabled (0x00)
Filter duplicates: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Scan Enable (0x08|0x000c) ncmd 2
Status: Success (0x00)
// Background scanning is not working here onwards.
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Sonny Sasaka <sonnysasaka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Based on device may wakeup status, Bluez stack will enable/disable
passive scanning with whitelist in BT controller while suspending.
As interrupt from BT SoC is handled by UART driver,we need to use
device handle of UART driver to get the status of device may wakeup
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This fails the pairing procedure when both remote and local non-debug
public keys are identical.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Boot address parameter was not getting updated properly
due to wrong offset
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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print the firmware file name on error loading from fie system
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Obtain and drive the optional reset GPIO line if this is
not hardwired in the platform. This is needed on the
Samsung GT-I9070 mobile phone.
The invers of power is used, this should be OK to apply
simultaneously as the power signal according to
figures 47-51 on pages 159-161 in the BCM4330 datasheet.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This rewrites the Broadcom bluetooth bindings in YAML and
adds a GPIO handle for the BT_RST_N line as used on some
platforms.
The Ingenic UART binding was using this binding in its
example DTS fragment, however mistakenly using "vcc-supply"
for what is called "vbat-supply". The proper DTS files
and the code in the kernel all use "vbat-supply" so
fix up the example in this patch so we ge a clean
check.
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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An issue was found, where if a bluetooth client requests a broadcast
advertisement with scan response data, it will not be properly
registered with the controller. This is because at the time that the
hci_cp_le_set_scan_param structure is created, the scan response will
not yet have been received since it comes in a second MGMT call. With
empty scan response, the request defaults to a non-scannable PDU type.
On some controllers, the subsequent scan response request will fail due
to incorrect PDU type, and others will succeed and not use the scan
response.
This fix allows the advertising parameters MGMT call to include a flag
to let the kernel know whether a scan response will be coming, so that
the correct PDU type is used in the first place. A bluetoothd change is
also incoming to take advantage of it.
To test this, I created a broadcast advertisement with scan response
data and registered it on the hatch chromebook. Without this change, the
request fails, and with it will succeed.
Reviewed-by: Alain Michaud <alainm@chromium.org>
Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Daniel Winkler <danielwinkler@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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During suspend, there are a few scan enable and set event filter
commands that don't need to be sent unless there are actual BR/EDR
devices capable of waking the system. Check the HCI_PSCAN bit before
writing scan enable and use a new dev flag, HCI_EVENT_FILTER_CONFIGURED
to control whether to clear the event filter.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Alain Michaud <alainm@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When suspending, Bluetooth disconnects all connected peers devices. If
an LE connection is started but isn't completed, we will see an LE
Create Connection Cancel instead of an HCI disconnect. This just adds
a check to see if an LE cancel was the last disconnected device and wake
the suspend thread when that is the case.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Warnings: drivers/bluetooth/btusb.c:3775 btusb_mtk_setup() error:
uninitialized symbol 'fw_version'.
-> add initial value for fw_version.
Warnings: sparse: sparse: incorrect type in assignment (different base
types)
-> add le32_to_cpu to fix incorrect type in assignment.
Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Some Xiaomi RedmiBook laptop models use the 0cb5:c547 USB identifier
for their Bluetooth device, so load the appropriate firmware for
Realtek 8822CE.
-Device(0cb5:c547) from /sys/kernel/debug/usb/devices
T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0cb5 ProdID=c547 Rev= 0.00
S: Manufacturer=Realtek
S: Product=Bluetooth Radio
S: SerialNumber=00e04c000001
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
Signed-off-by: Rasmus Moorats <xx@nns.ee>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance event updates from Ingo Molnar:
- Add CPU-PMU support for Intel Sapphire Rapids CPUs
- Extend the perf ABI with PERF_SAMPLE_WEIGHT_STRUCT, to offer
two-parameter sampling event feedback. Not used yet, but is intended
for Golden Cove CPU-PMU, which can provide both the instruction
latency and the cache latency information for memory profiling
events.
- Remove experimental, default-disabled perfmon-v4 counter_freezing
support that could only be enabled via a boot option. The hardware is
hopelessly broken, we'd like to make sure nobody starts relying on
this, as it would only end in tears.
- Fix energy/power events on Intel SPR platforms
- Simplify the uprobes resume_execution() logic
- Misc smaller fixes.
* tag 'perf-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/rapl: Fix psys-energy event on Intel SPR platform
perf/x86/rapl: Only check lower 32bits for RAPL energy counters
perf/x86/rapl: Add msr mask support
perf/x86/kvm: Add Cascade Lake Xeon steppings to isolation_ucodes[]
perf/x86/intel: Support CPUID 10.ECX to disable fixed counters
perf/x86/intel: Add perf core PMU support for Sapphire Rapids
perf/x86/intel: Filter unsupported Topdown metrics event
perf/x86/intel: Factor out intel_update_topdown_event()
perf/core: Add PERF_SAMPLE_WEIGHT_STRUCT
perf/intel: Remove Perfmon-v4 counter_freezing support
x86/perf: Use static_call for x86_pmu.guest_get_msrs
perf/x86/intel/uncore: With > 8 nodes, get pci bus die id from NUMA info
perf/x86/intel/uncore: Store the logical die id instead of the physical die id.
x86/kprobes: Do not decode opcode in resume_execution()
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Core scheduler updates:
- Add CONFIG_PREEMPT_DYNAMIC: this in its current form adds the
preempt=none/voluntary/full boot options (default: full), to allow
distros to build a PREEMPT kernel but fall back to close to
PREEMPT_VOLUNTARY (or PREEMPT_NONE) runtime scheduling behavior via
a boot time selection.
There's also the /debug/sched_debug switch to do this runtime.
This feature is implemented via runtime patching (a new variant of
static calls).
The scope of the runtime patching can be best reviewed by looking
at the sched_dynamic_update() function in kernel/sched/core.c.
( Note that the dynamic none/voluntary mode isn't 100% identical,
for example preempt-RCU is available in all cases, plus the
preempt count is maintained in all models, which has runtime
overhead even with the code patching. )
The PREEMPT_VOLUNTARY/PREEMPT_NONE models, used by the vast
majority of distributions, are supposed to be unaffected.
- Fix ignored rescheduling after rcu_eqs_enter(). This is a bug that
was found via rcutorture triggering a hang. The bug is that
rcu_idle_enter() may wake up a NOCB kthread, but this happens after
the last generic need_resched() check. Some cpuidle drivers fix it
by chance but many others don't.
In true 2020 fashion the original bug fix has grown into a 5-patch
scheduler/RCU fix series plus another 16 RCU patches to address the
underlying issue of missed preemption events. These are the initial
fixes that should fix current incarnations of the bug.
- Clean up rbtree usage in the scheduler, by providing & using the
following consistent set of rbtree APIs:
partial-order; less() based:
- rb_add(): add a new entry to the rbtree
- rb_add_cached(): like rb_add(), but for a rb_root_cached
total-order; cmp() based:
- rb_find(): find an entry in an rbtree
- rb_find_add(): find an entry, and add if not found
- rb_find_first(): find the first (leftmost) matching entry
- rb_next_match(): continue from rb_find_first()
- rb_for_each(): iterate a sub-tree using the previous two
- Improve the SMP/NUMA load-balancer: scan for an idle sibling in a
single pass. This is a 4-commit series where each commit improves
one aspect of the idle sibling scan logic.
- Improve the cpufreq cooling driver by getting the effective CPU
utilization metrics from the scheduler
- Improve the fair scheduler's active load-balancing logic by
reducing the number of active LB attempts & lengthen the
load-balancing interval. This improves stress-ng mmapfork
performance.
- Fix CFS's estimated utilization (util_est) calculation bug that can
result in too high utilization values
Misc updates & fixes:
- Fix the HRTICK reprogramming & optimization feature
- Fix SCHED_SOFTIRQ raising race & warning in the CPU offlining code
- Reduce dl_add_task_root_domain() overhead
- Fix uprobes refcount bug
- Process pending softirqs in flush_smp_call_function_from_idle()
- Clean up task priority related defines, remove *USER_*PRIO and
USER_PRIO()
- Simplify the sched_init_numa() deduplication sort
- Documentation updates
- Fix EAS bug in update_misfit_status(), which degraded the quality
of energy-balancing
- Smaller cleanups"
* tag 'sched-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
sched,x86: Allow !PREEMPT_DYNAMIC
entry/kvm: Explicitly flush pending rcuog wakeup before last rescheduling point
entry: Explicitly flush pending rcuog wakeup before last rescheduling point
rcu/nocb: Trigger self-IPI on late deferred wake up before user resume
rcu/nocb: Perform deferred wake up before last idle's need_resched() check
rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers
sched/features: Distinguish between NORMAL and DEADLINE hrtick
sched/features: Fix hrtick reprogramming
sched/deadline: Reduce rq lock contention in dl_add_task_root_domain()
uprobes: (Re)add missing get_uprobe() in __find_uprobe()
smp: Process pending softirqs in flush_smp_call_function_from_idle()
sched: Harden PREEMPT_DYNAMIC
static_call: Allow module use without exposing static_call_key
sched: Add /debug/sched_preempt
preempt/dynamic: Support dynamic preempt with preempt= boot option
preempt/dynamic: Provide irqentry_exit_cond_resched() static call
preempt/dynamic: Provide preempt_schedule[_notrace]() static calls
preempt/dynamic: Provide cond_resched() and might_resched() static calls
preempt: Introduce CONFIG_PREEMPT_DYNAMIC
static_call: Provide DEFINE_STATIC_CALL_RET0()
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull tlb gather updates from Ingo Molnar:
"Theses fix MM (soft-)dirty bit management in the procfs code & clean
up the TLB gather API"
* tag 'core-mm-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ldt: Use tlb_gather_mmu_fullmm() when freeing LDT page-tables
tlb: arch: Remove empty __tlb_remove_tlb_entry() stubs
tlb: mmu_gather: Remove start/end arguments from tlb_gather_mmu()
tlb: mmu_gather: Introduce tlb_gather_mmu_fullmm()
tlb: mmu_gather: Remove unused start/end arguments from tlb_finish_mmu()
mm: proc: Invalidate TLB after clearing soft-dirty page state
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"Core locking primitives updates:
- Remove mutex_trylock_recursive() from the API - no users left
- Simplify + constify the futex code a bit
Lockdep updates:
- Teach lockdep about local_lock_t
- Add CONFIG_DEBUG_IRQFLAGS=y debug config option to check for
potentially unsafe IRQ mask restoration patterns. (I.e.
calling raw_local_irq_restore() with IRQs enabled.)
- Add wait context self-tests
- Fix graph lock corner case corrupting internal data structures
- Fix noinstr annotations
LKMM updates:
- Simplify the litmus tests
- Documentation fixes
KCSAN updates:
- Re-enable KCSAN instrumentation in lib/random32.c
Misc fixes:
- Don't branch-trace static label APIs
- DocBook fix
- Remove stale leftover empty file"
* tag 'locking-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
checkpatch: Don't check for mutex_trylock_recursive()
locking/mutex: Kill mutex_trylock_recursive()
s390: Use arch_local_irq_{save,restore}() in early boot code
lockdep: Noinstr annotate warn_bogus_irq_restore()
locking/lockdep: Avoid unmatched unlock
locking/rwsem: Remove empty rwsem.h
locking/rtmutex: Add missing kernel-doc markup
futex: Remove unneeded gotos
futex: Change utime parameter to be 'const ... *'
lockdep: report broken irq restoration
jump_label: Do not profile branch annotations
locking: Add Reviewers
locking/selftests: Add local_lock inversion tests
locking/lockdep: Exclude local_lock_t from IRQ inversions
locking/lockdep: Clean up check_redundant() a bit
locking/lockdep: Add a skip() function to __bfs()
locking/lockdep: Mark local_lock_t
locking/selftests: More granular debug_locks_verbose
lockdep/selftest: Add wait context selftests
tools/memory-model: Fix typo in klitmus7 compatibility table
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"These are the latest RCU updates for v5.12:
- Documentation updates.
- Miscellaneous fixes.
- kfree_rcu() updates: Addition of mem_dump_obj() to provide
allocator return addresses to more easily locate bugs. This has a
couple of RCU-related commits, but is mostly MM. Was pulled in with
akpm's agreement.
- Per-callback-batch tracking of numbers of callbacks, which enables
better debugging information and smarter reactions to large numbers
of callbacks.
- The first round of changes to allow CPUs to be runtime switched
from and to callback-offloaded state.
- CONFIG_PREEMPT_RT-related changes.
- RCU CPU stall warning updates.
- Addition of polling grace-period APIs for SRCU.
- Torture-test and torture-test scripting updates, including a
"torture everything" script that runs rcutorture, locktorture,
scftorture, rcuscale, and refscale. Plus does an allmodconfig
build.
- nolibc fixes for the torture tests"
* tag 'core-rcu-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (130 commits)
percpu_ref: Dump mem_dump_obj() info upon reference-count underflow
rcu: Make call_rcu() print mem_dump_obj() info for double-freed callback
mm: Make mem_obj_dump() vmalloc() dumps include start and length
mm: Make mem_dump_obj() handle vmalloc() memory
mm: Make mem_dump_obj() handle NULL and zero-sized pointers
mm: Add mem_dump_obj() to print source of memory block
tools/rcutorture: Fix position of -lgcc in mkinitrd.sh
tools/nolibc: Fix position of -lgcc in the documented example
tools/nolibc: Emit detailed error for missing alternate syscall number definitions
tools/nolibc: Remove incorrect definitions of __ARCH_WANT_*
tools/nolibc: Get timeval, timespec and timezone from linux/time.h
tools/nolibc: Implement poll() based on ppoll()
tools/nolibc: Implement fork() based on clone()
tools/nolibc: Make getpgrp() fall back to getpgid(0)
tools/nolibc: Make dup2() rely on dup3() when available
tools/nolibc: Add the definition for dup()
rcutorture: Add rcutree.use_softirq=0 to RUDE01 and TASKS01
torture: Maintain torture-specific set of CPUs-online books
torture: Clean up after torture-test CPU hotplugging
rcutorture: Make object_debug also double call_rcu() heap object
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Time and timer updates:
- Instead of new drivers remove tango, sirf, u300 and atlas drivers
- Add suspend/resume support for microchip pit64b
- The usual fixes, improvements and cleanups here and there"
* tag 'timers-core-2021-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timens: Delete no-op time_ns_init()
alarmtimer: Update kerneldoc
clocksource/drivers/timer-microchip-pit64b: Add clocksource suspend/resume
clocksource/drivers/prima: Remove sirf prima driver
clocksource/drivers/atlas: Remove sirf atlas driver
clocksource/drivers/tango: Remove tango driver
clocksource/drivers/u300: Remove the u300 driver
dt-bindings: timer: nuvoton: Clarify that interrupt of timer 0 should be specified
clocksource/drivers/davinci: Move pr_fmt() before the includes
clocksource/drivers/efm32: Drop unused timer code
|
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for the irq subsystem:
- The usual new irq chip driver (Realtek RTL83xx)
- Removal of sirfsoc and tango irq chip drivers
- Conversion of the sun6i chip support to hierarchical irq domains
- The usual fixes, improvements and cleanups all over the place"
* tag 'irq-core-2021-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/imx: IMX_INTMUX should not default to y, unconditionally
irqchip/loongson-pch-msi: Use bitmap_zalloc() to allocate bitmap
irqchip/csky-mpintc: Prevent selection on unsupported platforms
irqchip: Add support for Realtek RTL838x/RTL839x interrupt controller
dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x support
irqchip/ls-extirq: add IRQCHIP_SKIP_SET_WAKE to the irqchip flags
genirq: Use new tasklet API for resend_tasklet
dt-bindings: qcom,pdc: Add compatible for SM8350
dt-bindings: qcom,pdc: Add compatible for SM8250
irqchip/sun6i-r: Add wakeup support
irqchip/sun6i-r: Use a stacked irqchip driver
dt-bindings: irq: sun6i-r: Add a compatible for the H3
dt-bindings: irq: sun6i-r: Split the binding from sun7i-nmi
irqchip/gic-v3: Fix typos in PMR/RPR SCR_EL3.FIQ handling explanation
irqchip: Remove sirfsoc driver
irqchip: Remove sigma tango driver
|
|
Pull io_uring updates from Jens Axboe:
"Highlights from this cycles are things like request recycling and
task_work optimizations, which net us anywhere from 10-20% of speedups
on workloads that mostly are inline.
This work was originally done to put io_uring under memcg, which adds
considerable overhead. But it's a really nice win as well. Also worth
highlighting is the LOOKUP_CACHED work in the VFS, and using it in
io_uring. Greatly speeds up the fast path for file opens.
Summary:
- Put io_uring under memcg protection. We accounted just the rings
themselves under rlimit memlock before, now we account everything.
- Request cache recycling, persistent across invocations (Pavel, me)
- First part of a cleanup/improvement to buffer registration (Bijan)
- SQPOLL fixes (Hao)
- File registration NULL pointer fixup (Dan)
- LOOKUP_CACHED support for io_uring
- Disable /proc/thread-self/ for io_uring, like we do for /proc/self
- Add Pavel to the io_uring MAINTAINERS entry
- Tons of code cleanups and optimizations (Pavel)
- Support for skip entries in file registration (Noah)"
* tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block: (103 commits)
io_uring: tctx->task_lock should be IRQ safe
proc: don't allow async path resolution of /proc/thread-self components
io_uring: kill cached requests from exiting task closing the ring
io_uring: add helper to free all request caches
io_uring: allow task match to be passed to io_req_cache_free()
io-wq: clear out worker ->fs and ->files
io_uring: optimise io_init_req() flags setting
io_uring: clean io_req_find_next() fast check
io_uring: don't check PF_EXITING from syscall
io_uring: don't split out consume out of SQE get
io_uring: save ctx put/get for task_work submit
io_uring: don't duplicate io_req_task_queue()
io_uring: optimise SQPOLL mm/files grabbing
io_uring: optimise out unlikely link queue
io_uring: take compl state from submit state
io_uring: inline io_complete_rw_common()
io_uring: move res check out of io_rw_reissue()
io_uring: simplify iopoll reissuing
io_uring: clean up io_req_free_batch_finish()
io_uring: move submit side state closer in the ring
...
|
|
Pull block driver updates from Jens Axboe:
- Remove the skd driver. It's been EOL for a long time (Damien)
- NVMe pull requests
- fix multipath handling of ->queue_rq errors (Chao Leng)
- nvmet cleanups (Chaitanya Kulkarni)
- add a quirk for buggy Amazon controller (Filippo Sironi)
- avoid devm allocations in nvme-hwmon that don't interact well
with fabrics (Hannes Reinecke)
- sysfs cleanups (Jiapeng Chong)
- fix nr_zones for multipath (Keith Busch)
- nvme-tcp crash fix for no-data commands (Sagi Grimberg)
- nvmet-tcp fixes (Sagi Grimberg)
- add a missing __rcu annotation (Christoph)
- failed reconnect fixes (Chao Leng)
- various tracing improvements (Michal Krakowiak, Johannes
Thumshirn)
- switch the nvmet-fc assoc_list to use RCU protection (Leonid
Ravich)
- resync the status codes with the latest spec (Max Gurtovoy)
- minor nvme-tcp improvements (Sagi Grimberg)
- various cleanups (Rikard Falkeborn, Minwoo Im, Chaitanya
Kulkarni, Israel Rukshin)
- Floppy O_NDELAY fix (Denis)
- MD pull request
- raid5 chunk_sectors fix (Guoqing)
- Use lore links (Kees)
- Use DEFINE_SHOW_ATTRIBUTE for nbd (Liao)
- loop lock scaling (Pavel)
- mtip32xx PCI fixes (Bjorn)
- bcache fixes (Kai, Dongdong)
- Misc fixes (Tian, Yang, Guoqing, Joe, Andy)
* tag 'for-5.12/drivers-2021-02-17' of git://git.kernel.dk/linux-block: (64 commits)
lightnvm: pblk: Replace guid_copy() with export_guid()/import_guid()
lightnvm: fix unnecessary NULL check warnings
nvme-tcp: fix crash triggered with a dataless request submission
block: Replace lkml.org links with lore
nbd: Convert to DEFINE_SHOW_ATTRIBUTE
nvme: add 48-bit DMA address quirk for Amazon NVMe controllers
nvme-hwmon: rework to avoid devm allocation
nvmet: remove else at the end of the function
nvmet: add nvmet_req_subsys() helper
nvmet: use min of device_path and disk len
nvmet: use invalid cmd opcode helper
nvmet: use invalid cmd opcode helper
nvmet: add helper to report invalid opcode
nvmet: remove extra variable in id-ns handler
nvmet: make nvmet_find_namespace() req based
nvmet: return uniform error for invalid ns
nvmet: set status to 0 in case for invalid nsid
nvmet-fc: add a missing __rcu annotation to nvmet_fc_tgt_assoc.queues
nvme-multipath: set nr_zones for zoned namespaces
nvmet-tcp: fix potential race of tcp socket closing accept_work
...
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|
Pull core block updates from Jens Axboe:
"Another nice round of removing more code than what is added, mostly
due to Christoph's relentless pursuit of tech debt removal/cleanups.
This pull request contains:
- Two series of BFQ improvements (Paolo, Jan, Jia)
- Block iov_iter improvements (Pavel)
- bsg error path fix (Pan)
- blk-mq scheduler improvements (Jan)
- -EBUSY discard fix (Jan)
- bvec allocation improvements (Ming, Christoph)
- bio allocation and init improvements (Christoph)
- Store bdev pointer in bio instead of gendisk + partno (Christoph)
- Block trace point cleanups (Christoph)
- hard read-only vs read-only split (Christoph)
- Block based swap cleanups (Christoph)
- Zoned write granularity support (Damien)
- Various fixes/tweaks (Chunguang, Guoqing, Lei, Lukas, Huhai)"
* tag 'for-5.12/block-2021-02-17' of git://git.kernel.dk/linux-block: (104 commits)
mm: simplify swapdev_block
sd_zbc: clear zone resources for non-zoned case
block: introduce blk_queue_clear_zone_settings()
zonefs: use zone write granularity as block size
block: introduce zone_write_granularity limit
block: use blk_queue_set_zoned in add_partition()
nullb: use blk_queue_set_zoned() to setup zoned devices
nvme: cleanup zone information initialization
block: document zone_append_max_bytes attribute
block: use bi_max_vecs to find the bvec pool
md/raid10: remove dead code in reshape_request
block: mark the bio as cloned in bio_iov_bvec_set
block: set BIO_NO_PAGE_REF in bio_iov_bvec_set
block: remove a layer of indentation in bio_iov_iter_get_pages
block: turn the nr_iovecs argument to bio_alloc* into an unsigned short
block: remove the 1 and 4 vec bvec_slabs entries
block: streamline bvec_alloc
block: factor out a bvec_alloc_gfp helper
block: move struct biovec_slab to bio.c
block: reuse BIO_INLINE_VECS for integrity bvecs
...
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Pull libata updates from Jens Axboe:
"Regulartors management addition from Florian, and a trivial change to
avoid comma separated statements from Joe"
* tag 'for-5.12/libata-2021-02-17' of git://git.kernel.dk/linux-block:
ata: Avoid comma separated statements
ata: ahci_brcm: Add back regulators management
|
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux
Pull oprofile and dcookies removal from Viresh Kumar:
"Remove oprofile and dcookies support
The 'oprofile' user-space tools don't use the kernel OPROFILE support
any more, and haven't in a long time. User-space has been converted to
the perf interfaces.
The dcookies stuff is only used by the oprofile code. Now that
oprofile's support is getting removed from the kernel, there is no
need for dcookies as well.
Remove kernel's old oprofile and dcookies support"
* tag 'oprofile-removal-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux:
fs: Remove dcookies support
drivers: Remove CONFIG_OPROFILE support
arch: xtensa: Remove CONFIG_OPROFILE support
arch: x86: Remove CONFIG_OPROFILE support
arch: sparc: Remove CONFIG_OPROFILE support
arch: sh: Remove CONFIG_OPROFILE support
arch: s390: Remove CONFIG_OPROFILE support
arch: powerpc: Remove oprofile
arch: powerpc: Stop building and using oprofile
arch: parisc: Remove CONFIG_OPROFILE support
arch: mips: Remove CONFIG_OPROFILE support
arch: microblaze: Remove CONFIG_OPROFILE support
arch: ia64: Remove rest of perfmon support
arch: ia64: Remove CONFIG_OPROFILE support
arch: hexagon: Don't select HAVE_OPROFILE
arch: arc: Remove CONFIG_OPROFILE support
arch: arm: Remove CONFIG_OPROFILE support
arch: alpha: Remove CONFIG_OPROFILE support
|
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Pull xfs updates from Darrick Wong:
"There's a lot going on this time, which seems about right for this
drama-filled year.
Community developers added some code to speed up freezing when
read-only workloads are still running, refactored the logging code,
added checks to prevent file extent counter overflow, reduced iolock
cycling to speed up fsync and gc scans, and started the slow march
towards supporting filesystem shrinking.
There's a huge refactoring of the internal speculative preallocation
garbage collection code which fixes a bunch of bugs, makes the gc
scheduling per-AG and hence multithreaded, and standardizes the retry
logic when we try to reserve space or quota, can't, and want to
trigger a gc scan. We also enable multithreaded quotacheck to reduce
mount times further. This is also preparation for background file gc,
which may or may not land for 5.13.
We also fixed some deadlocks in the rename code, fixed a quota
accounting leak when FSSETXATTR fails, restored the behavior that
write faults to an mmap'd region actually cause a SIGBUS, fixed a bug
where sgid directory inheritance wasn't quite working properly, and
fixed a bug where symlinks weren't working properly in ecryptfs. We
also now advertise the inode btree counters feature that was
introduced two cycles ago.
Summary:
- Fix an ABBA deadlock when renaming files on overlayfs.
- Make sure that we can't overflow the inode extent counters when
adding to or removing extents from a file.
- Make directory sgid inheritance work the same way as all the other
filesystems.
- Don't drain the buffer cache on freeze and ro remount, which should
reduce the amount of time if read-only workloads are continuing
during the freeze.
- Fix a bug where symlink size isn't reported to the vfs in ecryptfs.
- Disentangle log cleaning from log covering. This refactoring sets
us up for future changes to the log, though for now it simply means
that we can use covering for freezes, and cleaning becomes
something we only do at unmount.
- Speed up file fsyncs by reducing iolock cycling.
- Fix delalloc blocks leaking when changing the project id fails
because of input validation errors in FSSETXATTR.
- Fix oversized quota reservation when converting unwritten extents
during a DAX write.
- Create a transaction allocation helper function to standardize the
idiom of allocating a transaction, reserving blocks, locking
inodes, and reserving quota. Replace all the open-coded logic for
file creation, file ownership changes, and file modifications to
use them.
- Actually shut down the fs if the incore quota reservations get
corrupted.
- Fix background block garbage collection scans to not block and to
actually clean out CoW staging extents properly.
- Run block gc scans when we run low on project quota.
- Use the standardized transaction allocation helpers to make it so
that ENOSPC and EDQUOT errors during reservation will back out,
invoke the block gc scanner, and try again. This is preparation for
introducing background inode garbage collection in the next cycle.
- Combine speculative post-EOF block garbage collection with
speculative copy on write block garbage collection.
- Enable multithreaded quotacheck.
- Allow sysadmins to tweak the CPU affinities and maximum concurrency
levels of quotacheck and background blockgc worker pools.
- Expose the inode btree counter feature in the fs geometry ioctl.
- Cleanups of the growfs code in preparation for starting work on
filesystem shrinking.
- Fix all the bloody gcc warnings that the maintainer knows about. :P
- Fix a RST syntax error.
- Don't trigger bmbt corruption assertions after the fs shuts down.
- Restore behavior of forcing SIGBUS on a shut down filesystem when
someone triggers a mmap write fault (or really, any buffered
write)"
* tag 'xfs-5.12-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (85 commits)
xfs: consider shutdown in bmapbt cursor delete assert
xfs: fix boolreturn.cocci warnings
xfs: restore shutdown check in mapped write fault path
xfs: fix rst syntax error in admin guide
xfs: fix incorrect root dquot corruption error when switching group/project quota types
xfs: get rid of xfs_growfs_{data,log}_t
xfs: rename `new' to `delta' in xfs_growfs_data_private()
libxfs: expose inobtcount in xfs geometry
xfs: don't bounce the iolock between free_{eof,cow}blocks
xfs: expose the blockgc workqueue knobs publicly
xfs: parallelize block preallocation garbage collection
xfs: rename block gc start and stop functions
xfs: only walk the incore inode tree once per blockgc scan
xfs: consolidate the eofblocks and cowblocks workers
xfs: consolidate incore inode radix tree posteof/cowblocks tags
xfs: remove trivial eof/cowblocks functions
xfs: hide xfs_icache_free_cowblocks
xfs: hide xfs_icache_free_eofblocks
xfs: relocate the eofb/cowb workqueue functions
xfs: set WQ_SYSFS on all workqueues in debug mode
...
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Pull iomap updates from Darrick Wong:
"The big change in this cycle is some new code to make it possible for
XFS to try unaligned directio overwrites without taking locks. If the
block is fully written and within EOF (i.e. doesn't require any
further fs intervention) then we can let the unlocked write proceed.
If not, we fall back to synchronizing direct writes.
Summary:
- Adjust the final parameter of iomap_dio_rw.
- Add a new flag to request that iomap directio writes return EAGAIN
if the write is not a pure overwrite within EOF; this will be used
to reduce lock contention with unaligned direct writes on XFS.
- Amend XFS' directio code to eliminate exclusive locking for
unaligned direct writes if the circumstances permit"
* tag 'iomap-5.12-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: reduce exclusive locking on unaligned dio
xfs: split the unaligned DIO write code out
xfs: improve the reflink_bounce_dio_write tracepoint
xfs: simplify the read/write tracepoints
xfs: remove the buffered I/O fallback assert
xfs: cleanup the read/write helper naming
xfs: make xfs_file_aio_write_checks IOCB_NOWAIT-aware
xfs: factor out a xfs_ilock_iocb helper
iomap: add a IOMAP_DIO_OVERWRITE_ONLY flag
iomap: pass a flags argument to iomap_dio_rw
iomap: rename the flags variable in __iomap_dio_rw
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore fix from Kees Cook:
"Fix a CONFIG typo (Jiri Bohac)"
* tag 'pstore-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore: Fix typo in compression option name
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git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fsverity updates from Eric Biggers:
"Add an ioctl which allows reading fs-verity metadata from a file.
This is useful when a file with fs-verity enabled needs to be served
somewhere, and the other end wants to do its own fs-verity compatible
verification of the file. See the commit messages for details.
This new ioctl has been tested using new xfstests I've written for it"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fs-verity: support reading signature with ioctl
fs-verity: support reading descriptor with ioctl
fs-verity: support reading Merkle tree with ioctl
fs-verity: add FS_IOC_READ_VERITY_METADATA ioctl
fs-verity: don't pass whole descriptor to fsverity_verify_signature()
fs-verity: factor out fsverity_get_descriptor()
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Pull nfsd updates from Chuck Lever:
- Update NFSv2 and NFSv3 XDR decoding functions
- Further improve support for re-exporting NFS mounts
- Convert NFSD stats to per-CPU counters
- Add batch Receive posting to the server's RPC/RDMA transport
* tag 'nfsd-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (65 commits)
nfsd: skip some unnecessary stats in the v4 case
nfs: use change attribute for NFS re-exports
NFSv4_2: SSC helper should use its own config.
nfsd: cstate->session->se_client -> cstate->clp
nfsd: simplify nfsd4_check_open_reclaim
nfsd: remove unused set_client argument
nfsd: find_cpntf_state cleanup
nfsd: refactor set_client
nfsd: rename lookup_clientid->set_client
nfsd: simplify nfsd_renew
nfsd: simplify process_lock
nfsd4: simplify process_lookup1
SUNRPC: Correct a comment
svcrdma: DMA-sync the receive buffer in svc_rdma_recvfrom()
svcrdma: Reduce Receive doorbell rate
svcrdma: Deprecate stat variables that are no longer used
svcrdma: Restore read and write stats
svcrdma: Convert rdma_stat_sq_starve to a per-CPU counter
svcrdma: Convert rdma_stat_recv to a per-CPU counter
svcrdma: Refactor svc_rdma_init() and svc_rdma_clean_up()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"This contains a somewhat important but rarely reproduced fix reported
month ago for platforms which have weak memory model (e.g. arm64).
The root cause is that test_bit/set_bit atomic operations are actually
implemented in relaxed forms, and uninitialized fields governed by an
atomic bit could be observed in advance due to memory reordering thus
memory barrier pairs should be used.
There is also a trivial fix of crafted blkszbits generated by
syzkaller.
Summary:
- fix shift-out-of-bounds of crafted blkszbits generated by syzkaller
- ensure initialized fields can only be observed after bit is set"
* tag 'erofs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: initialized fields can only be observed after bit is set
erofs: fix shift-out-of-bounds of blkszbits
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"We've added two major features: 1) compression level and 2)
checkpoint_merge, in this round.
Compression level expands 'compress_algorithm' mount option to accept
parameter as format of <algorithm>:<level>, by this way, it gives a
way to allow user to do more specified config on lz4 and zstd
compression level, then f2fs compression can provide higher compress
ratio.
checkpoint_merge creates a kernel daemon and makes it to merge
concurrent checkpoint requests as much as possible to eliminate
redundant checkpoint issues. Plus, we can eliminate the sluggish issue
caused by slow checkpoint operation when the checkpoint is done in a
process context in a cgroup having low i/o budget and cpu shares.
Enhancements:
- add compress level for lz4 and zstd in mount option
- checkpoint_merge mount option
- deprecate f2fs_trace_io
Bug fixes:
- flush data when enabling checkpoint back
- handle corner cases of mount options
- missing ACL update and lock for I_LINKABLE flag
- attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
- fix potential deadlock in compression flow
- fix wrong submit_io condition
As usual, we've cleaned up many code flows and fixed minor bugs"
* tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (32 commits)
Documentation: f2fs: fix typo s/automaic/automatic
f2fs: give a warning only for readonly partition
f2fs: don't grab superblock freeze for flush/ckpt thread
f2fs: add ckpt_thread_ioprio sysfs node
f2fs: introduce checkpoint_merge mount option
f2fs: relocate inline conversion from mmap() to mkwrite()
f2fs: fix a wrong condition in __submit_bio
f2fs: remove unnecessary initialization in xattr.c
f2fs: fix to avoid inconsistent quota data
f2fs: flush data when enabling checkpoint back
f2fs: deprecate f2fs_trace_io
f2fs: Remove readahead collision detection
f2fs: remove unused stat_{inc, dec}_atomic_write
f2fs: introduce sb_status sysfs node
f2fs: fix to use per-inode maxbytes
f2fs: compress: fix potential deadlock
libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()
f2fs: fix to set/clear I_LINKABLE under i_lock
f2fs: fix null page reference in redirty_blocks
f2fs: clean up post-read processing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This brings updates of space handling, performance improvements or bug
fixes. The subpage block size and zoned mode features have reached
state where they're usable but with limitations.
Performance or related:
- do not block on deleted block group mutex in the cleaner, avoids
some long stalls
- improved flushing: make it work better with ticket space
reservations and avoid excessive transaction commits in some
scenarios, slightly improves throughput for random write load
- preemptive background flushing: separate the logic from ticket
reservations, improve the accounting and decisions when to flush in
low space conditions
- less lock contention related to running delayed refs, let just one
thread do the flushing when there are many inside transaction
commit
- dbench workload improvements: avoid unnecessary work when logging
inodes, fewer fallbacks to transaction commit and thus less waiting
for it (+7% throughput, -20% latency)
Core:
- subpage block size
- currently read-only support
- refactor and generalize code where sectorsize is assumed to be
page size, add the subpage handling everywhere
- the read-write support is on the way, page sizes are still
limited to 4K or 64K
- zoned mode, first working version but with limitations
- SMR/ZBC/ZNS friendly allocation mode, utilizing the "no fixed
location for structures" and chunked allocation
- superblock as the only fixed data structure needs special
handling, uses 2 consecutive zones as a ring buffer
- tree-log support with a dedicated block group to avoid unordered
writes
- emulated zones on non-zoned devices
- not yet working
- all non-single block group profiles, requires more zone write
pointer synchronization between the multiple block groups
- fitrim due to dependency on space cache, can be implemented
Fixes:
- ref-verify: proper tree owner and node level tracking
- fix pinned byte accounting, causing some early ENOSPC now more
likely due to other changes in delayed refs
Other:
- error handling fixes and improvements
- more error injection points
- more function documentation
- more and updated tracepoints
- subset of W=1 checked by default
- update comments to allow more automatic kdoc parameter checks"
* tag 'for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (144 commits)
btrfs: zoned: enable to mount ZONED incompat flag
btrfs: zoned: deal with holes writing out tree-log pages
btrfs: zoned: reorder log node allocation on zoned filesystem
btrfs: zoned: serialize log transaction on zoned filesystems
btrfs: zoned: extend zoned allocator to use dedicated tree-log block group
btrfs: split alloc_log_tree()
btrfs: zoned: relocate block group to repair IO failure in zoned filesystems
btrfs: zoned: enable relocation on a zoned filesystem
btrfs: zoned: support dev-replace in zoned filesystems
btrfs: zoned: implement copying for zoned device-replace
btrfs: zoned: implement cloning for zoned device-replace
btrfs: zoned: mark block groups to copy for device-replace
btrfs: zoned: do not use async metadata checksum on zoned filesystems
btrfs: zoned: wait for existing extents before truncating
btrfs: zoned: serialize metadata IO
btrfs: zoned: introduce dedicated data write path for zoned filesystems
btrfs: zoned: enable zone append writing for direct IO
btrfs: zoned: use ZONE_APPEND write for zoned mode
btrfs: save irq flags when looking up an ordered extent
btrfs: zoned: cache if block group is on a sequential zone
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull AFFS fix from David Sterba:
"One minor fix for error handling in rename exchange"
* tag 'affs-for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
fs/affs: release old buffer head on error path
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Pull jfs updates from David Kleikamp:
"A few jfs fixes"
* tag 'jfs-5.12' of git://github.com/kleikamp/linux-shaggy:
fs/jfs: fix potential integer overflow on shift of a int
jfs: turn diLog(), dataLog() and txLog() into void functions
JFS: more checks for invalid superblock
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull fcntl fix from Jeff Layton.
* tag 'locks-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fcntl: make F_GETOWN(EX) return 0 on dead owner task
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull namei updates from Al Viro:
"Most of that pile is LOOKUP_CACHED series; the rest is a couple of
misc cleanups in the general area...
There's a minor bisect hazard in the end of series, and normally I
would've just folded the fix into the previous commit, but this branch
is shared with Jens' tree, with stuff on top of it in there, so that
would've required rebases outside of vfs.git"
* 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix handling of nd->depth on LOOKUP_CACHED failures in try_to_unlazy*
fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED
fs: add support for LOOKUP_CACHED
saner calling conventions for unlazy_child()
fs: make unlazy_walk() error handling consistent
fs/namei.c: Remove unlikely of status being -ECHILD in lookup_fast()
do_tmpfile(): don't mess with finish_open()
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull ELF compat updates from Al Viro:
"Sanitizing ELF compat support, especially for triarch architectures:
- X32 handling cleaned up
- MIPS64 uses compat_binfmt_elf.c both for O32 and N32 now
- Kconfig side of things regularized
Eventually I hope to have compat_binfmt_elf.c killed, with both native
and compat built from fs/binfmt_elf.c, with -DELF_BITS={64,32} passed
by kbuild, but that's a separate story - not included here"
* 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
get rid of COMPAT_ELF_EXEC_PAGESIZE
compat_binfmt_elf: don't bother with undef of ELF_ARCH
Kconfig: regularize selection of CONFIG_BINFMT_ELF
mips compat: switch to compat_binfmt_elf.c
mips: don't bother with ELF_CORE_EFLAGS
mips compat: don't bother with ELF_ET_DYN_BASE
mips: KVM_GUEST makes no sense for 64bit builds...
mips: kill unused definitions in binfmt_elf[on]32.c
mips binfmt_elf*32.c: use elfcore-compat.h
x32: make X32, !IA32_EMULATION setups able to execute x32 binaries
[amd64] clean PRSTATUS_SIZE/SET_PR_FPVALID up properly
elf_prstatus: collect the common part (everything before pr_reg) into a struct
binfmt_elf: partially sanitize PRSTATUS_SIZE and SET_PR_FPVALID
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sendfile updates from Al Viro:
"Make sendfile() to pipe destination do the right thing, should make
'fs/pipe: allow sendfile() to pipe again' redundant"
* 'work.sendfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
teach sendfile(2) to handle send-to-pipe directly
take the guts of file-to-pipe splice into a helper function
do_splice_to(): move the logics for limiting the read length in
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull PNP updates from Rafael Wysocki:
"These make two janitorial changes of the code.
Specifics:
- Add printf annotation to a logging function (Tom Rix)
- Use DEFINE_SPINLOCK() for defining a spinlock so as to initialize
it statically (Zheng Yongjun)"
* tag 'pnp-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PNP: pnpbios: Use DEFINE_SPINLOCK() for spinlock
PNP: add printf attribute to log function
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20210105, fix and clean up the handling of device properties, add
support for setting global profile of the platform, clean up device
enumeration, the CPPC library, the APEI support and more, update the
documentation, consolidate the printing of messages in several places
and make assorted janitorial changes.
Specifics:
- Update ACPICA code in the kernel to upstream revision 20201113 with
changes as follows:
* Remove the MTMR (Mid-Timer) table (Al Stone).
* Remove the VRTC table (Al Stone).
* Add type casts for string functions (Bob Moore).
* Update all copyrights to 2021 (Bob Moore).
* Fix exception code class checks (Maximilian Luz).
* Clean up exception code class checks (Maximilian Luz).
* Fix -Wfallthrough (Nick Desaulniers).
- Add support for setting and reading global profile of the platform
along with documentation (Mark Pearson, Hans de Goede, Jiaxun
Yang).
- Fix fwnode properties matching and clean up the code handling
device properties and its documentation (Rafael Wysocki, Andy
Shevchenko).
- Clean up ACPI-based device enumeration code (Rafael Wysocki).
- Clean up the CPPC support library code (Ionela Voinescu).
- Clean up the APEI support code (Yang Li, Yazen Ghannam).
- Update GPIO-related properties documentation (Flavio Suligoi).
- Consolidate and clean up the printing of messages in several places
(Rafael Wysocki).
- Fix error code path in configfs handling code (Qinglang Miao).
- Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).
- Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
multiple places (Bjorn Helgaas)"
* tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
ACPI: property: Satisfy kernel doc validator (part 2)
ACPI: property: Satisfy kernel doc validator (part 1)
ACPI: property: Make acpi_node_prop_read() static
ACPI: property: Remove dead code
ACPI: property: Fix fwnode string properties matching
ACPI: OSL: Clean up printing messages
ACPI: OSL: Rework acpi_check_resource_conflict()
ACPI: APEI: ERST: remove unneeded semicolon
ACPI: thermal: Clean up printing messages
ACPI: video: Clean up printing messages
ACPI: button: Clean up printing messages
ACPI: battery: Clean up printing messages
ACPI: AC: Clean up printing messages
ACPI: bus: Drop ACPI_BUS_COMPONENT which is not used any more
ACPI: utils: Clean up printing messages
ACPI: scan: Clean up printing messages
ACPI: bus: Clean up printing messages
ACPI: PM: Clean up printing messages
ACPI: power: Clean up printing messages
ACPI: APEI: Add is_generic_error() to identify GHES sources
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add a new power capping facility allowing aggregate power
constraints to be applied to sets of devices in a distributed manner,
add a new CPU ID to the RAPL power capping driver and improve it, drop
a cpufreq driver belonging to a platform that is not supported any
more, drop two redundant cpufreq driver flags, update cpufreq drivers
(intel_pstate, brcmstb-avs, qcom-hw), update the operating performance
points (OPP) framework (code cleanups, new helpers, devfreq-related
modifications), clean up devfreq, extend the PM clock layer, update
the cpupower utility and make assorted janitorial changes.
Specifics:
- Add new power capping facility called DTPM (Dynamic Thermal Power
Management), based on the existing power capping framework, to
allow aggregate power constraints to be applied to sets of devices
in a distributed manner, along with a CPU backend driver based on
the Energy Model (Daniel Lezcano, Dan Carpenter, Colin Ian King).
- Add AlderLake Mobile support to the Intel RAPL power capping driver
and make it use the topology interface when laying out the system
topology (Zhang Rui, Yunfeng Ye).
- Drop the cpufreq tango driver belonging to a platform that is not
supported any more (Arnd Bergmann).
- Drop the redundant CPUFREQ_STICKY and CPUFREQ_PM_NO_WARN cpufreq
driver flags (Viresh Kumar).
- Update cpufreq drivers:
* Fix max CPU frequency discovery in the intel_pstate driver and
make janitorial changes in it (Chen Yu, Rafael Wysocki, Nigel
Christian).
* Fix resource leaks in the brcmstb-avs-cpufreq driver (Christophe
JAILLET).
* Make the tegra20 driver use the resource-managed API (Dmitry
Osipenko).
* Enable boost support in the qcom-hw driver (Shawn Guo).
- Update the operating performance points (OPP) framework:
* Clean up the OPP core (Dmitry Osipenko, Viresh Kumar).
* Extend the OPP API by adding new helpers to it (Dmitry Osipenko,
Viresh Kumar).
* Allow required OPPs to be used for devfreq devices and update
the devfreq governor code accordingly (Saravana Kannan).
* Prepare the framework for introducing new dev_pm_opp_set_opp()
helper (Viresh Kumar).
* Drop dev_pm_opp_set_bw() and update related drivers (Viresh
Kumar).
* Allow lazy linking of required-OPPs (Viresh Kumar).
- Simplify and clean up devfreq somewhat (Lukasz Luba, Yang Li,
Pierre Kuo).
- Update the generic power domains (genpd) framework:
* Use device's next wakeup to determine domain idle state (Lina
Iyer).
* Improve initialization and debug (Dmitry Osipenko).
* Simplify computations (Abaci Team).
- Make janitorial changes in the core code handling system sleep and
PM-runtime (Bhaskar Chowdhury, Bjorn Helgaas, Rikard Falkeborn,
Zqiang).
- Update the MAINTAINERS entry for the exynos cpuidle driver and drop
DEBUG definition from intel_idle (Krzysztof Kozlowski, Tom Rix).
- Extend the PM clock layer to cover clocks that must sleep (Nicolas
Pitre).
- Update the cpupower utility:
* Update cpupower command, add support for AMD family 0x19 and
clean up the code to remove many of the family checks to make
future family updates easier (Nathan Fontenot, Robert Richter).
* Add Makefile dependencies for install targets to allow building
cpupower in parallel rather than serially (Ivan Babrou).
- Make janitorial changes in power management Kconfig (Lukasz Luba)"
* tag 'pm-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (89 commits)
MAINTAINERS: cpuidle: exynos: include header in file pattern
powercap: intel_rapl: Use topology interface in rapl_init_domains()
powercap: intel_rapl: Use topology interface in rapl_add_package()
PM: sleep: Constify static struct attribute_group
PM: Kconfig: remove unneeded "default n" options
PM: EM: update Kconfig description and drop "default n" option
cpufreq: Remove unused flag CPUFREQ_PM_NO_WARN
cpufreq: Remove CPUFREQ_STICKY flag
PM / devfreq: Add required OPPs support to passive governor
PM / devfreq: Cache OPP table reference in devfreq
OPP: Add function to look up required OPP's for a given OPP
PM / devfreq: rk3399_dmc: Remove unneeded semicolon
opp: Replace ENOTSUPP with EOPNOTSUPP
opp: Fix "foo * bar" should be "foo *bar"
opp: Don't ignore clk_get() errors other than -ENOENT
opp: Update bandwidth requirements based on scaling up/down
opp: Allow lazy-linking of required-opps
opp: Remove dev_pm_opp_set_bw()
devfreq: tegra30: Migrate to dev_pm_opp_set_opp()
drm: msm: Migrate to dev_pm_opp_set_opp()
...
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