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It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 81be03e026dc ("Bluetooth: RFCOMM: Replace use of memcpy_from_msg with bt_skb_sendmmsg")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 9238f36a5a50 ("Bluetooth: Add request cmd_complete and cmd_status functions")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 43eb12d78960 ("Bluetooth: Fix/implement Three-wire reliable packet sending")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 166d2f6a4332 ("[Bluetooth] Add UART driver for Texas Instruments' BRF63xx chips")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 0ff252c1976d ("Bluetooth: hciuart: Add support QCA chipset for UART")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 803b58367ffb ("Bluetooth: btusb: Implement driver internal packet reassembly")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
skb allocated by __hci_cmd_sync would not be used whether in checking
for supported iBT hardware variants or after, we should free it in all
error branches, this patch makes the case read version failed or default
error case free skb before return.
Fixes: c86c7285bb08 ("Bluetooth: btintel: Fix the legacy bootloader returns tlv based version")
Fixes: 019a1caa7fd2 ("Bluetooth: btintel: Refactoring setup routine for bootloader devices")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When attempting to connect multiple ISO sockets without using
DEFER_SETUP may result in the following crash:
BUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0
Read of size 2 at addr 0000000000000036 by task kworker/u3:1/50
CPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted
6.0.0-rc7-02243-gb84a13ff4eda #4373
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.16.0-1.fc36 04/01/2014
Workqueue: hci0 hci_cmd_sync_work
Call Trace:
<TASK>
dump_stack_lvl+0x19/0x27
kasan_report+0xbc/0xf0
? hci_create_cis_sync+0x18b/0x2b0
hci_create_cis_sync+0x18b/0x2b0
? get_link_mode+0xd0/0xd0
? __ww_mutex_lock_slowpath+0x10/0x10
? mutex_lock+0xe0/0xe0
? get_link_mode+0xd0/0xd0
hci_cmd_sync_work+0x111/0x190
process_one_work+0x427/0x650
worker_thread+0x87/0x750
? process_one_work+0x650/0x650
kthread+0x14e/0x180
? kthread_exit+0x50/0x50
ret_from_fork+0x22/0x30
</TASK>
Fixes: 26afbd826ee3 ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btintel.c:1041:38: warning: cast to restricted __le32
drivers/bluetooth/btintel.c:1786:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1795:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1796:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1797:25: warning: cast to restricted __le16
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btusb.c:3426:28: warning: cast to restricted __le32
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2245:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2249:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2253:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2257:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2261:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2267:18: warning: cast to restricted __le16
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
RTL8723DS is another variant of the RTL8723 WiFi + Bluetooth chip. It is
already supported by the hci_uart/btrtl driver. Document the compatible.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Document the compatible string for BCM43430A0 bluetooth used in lg-lenok
and BCM43430A1 used in asus-sparrow.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
pci_disable_device() need be called while module exiting, switch to use
pcim_enable(), pci_disable_device() will be called in pcim_release()
after probe() failure.
Fixes: ab80b2cec05f ("Bluetooth: hci_bcm4377: Add new driver for BCM4377 PCIe boards")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom BCM4377/4378/4387 are dual WiFi/Bluetooth boards found in Apple
machines. This driver adds support for the Bluetooth function which
exposes a shared memory IPC protocol over PCIe to tunnel HCI traffic.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom 4377 controllers found in Apple x86 Macs with the T2 chip
claim to support extended scanning when querying supported states,
< HCI Command: LE Read Supported St.. (0x08|0x001c) plen 0
> HCI Event: Command Complete (0x0e) plen 12
LE Read Supported States (0x08|0x001c) ncmd 1
Status: Success (0x00)
States: 0x000003ffffffffff
[...]
LE Set Extended Scan Parameters (Octet 37 - Bit 5)
LE Set Extended Scan Enable (Octet 37 - Bit 6)
[...]
, but then fail to actually implement the extended scanning:
< HCI Command: LE Set Extended Sca.. (0x08|0x0041) plen 8
Own address type: Random (0x01)
Filter policy: Accept all advertisement (0x00)
PHYs: 0x01
Entry 0: LE 1M
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
Status: Unknown HCI Command (0x01)
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom controllers present on Apple Silicon devices use the upper
8 bits of the event type in the LE Extended Advertising Report for
the channel on which the frame has been received.
These bits are reserved according to the Bluetooth spec anyway such that
we can just drop them to ensure that the advertising results are parsed
correctly.
The following excerpt from a btmon trace shows a report received on
channel 37 by these controllers:
> HCI Event: LE Meta Event (0x3e) plen 55
LE Extended Advertising Report (0x0d)
Num reports: 1
Entry 0
Event type: 0x2513
Props: 0x0013
Connectable
Scannable
Use legacy advertising PDUs
Data status: Complete
Reserved (0x2500)
Legacy PDU Type: Reserved (0x2513)
Address type: Public (0x00)
Address: XX:XX:XX:XX:XX:XX (Shenzhen Jingxun Software [...])
Primary PHY: LE 1M
Secondary PHY: No packets
SID: no ADI field (0xff)
TX power: 127 dBm
RSSI: -76 dBm (0xb4)
Periodic advertising interval: 0.00 msec (0x0000)
Direct address type: Public (0x00)
Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
Data length: 0x1d
[...]
Flags: 0x18
Simultaneous LE and BR/EDR (Controller)
Simultaneous LE and BR/EDR (Host)
Company: Harman International Industries, Inc. (87)
Data: [...]
Service Data (UUID 0xfddf):
Name (complete): JBL Flip 5
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add bluetooth controller nodes and the required brcm,board-type
properties to be able to select the correct firmware to all board
device trees.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
These chips are combined Wi-Fi/Bluetooth radios which expose a
PCI subfunction for the Bluetooth part.
They are found in Apple machines such as the x86 models with the T2
chip or the arm64 models with the M1 or M2 chips.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Bluetooth controllers share the common local-bd-address property.
Add a generic YAML schema to replace bluetooth.txt for those.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
CYW4373A0 is a Wi-Fi + Bluetooth combo device from Cypress.
This chip is present e.g. on muRata 2AE module.
This chip has additional quirk where the HCI command 0xfc45, used on
older chips to switch UART clock from 24 MHz to 48 MHz, to support
baudrates over 3 Mbdps, is no longer recognized by this newer chip.
This newer chip can configure the 4 Mbdps baudrate without the need
to issue HCI command 0xfc45, so add flag to indicate this and do not
issue the command on this chip to avoid failure to set 4 Mbdps baud
rate.
It is not clear whether there is a way to determine which chip does
and which chip does not support the HCI command 0xfc45, other than
trial and error.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
CYW4373A0 is a Wi-Fi + Bluetooth combo device from Cypress.
This chip is present e.g. on muRata 2AE module. Extend the
binding with its DT compatible.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Replace kmalloc+memset by kzalloc
for better readability and simplicity.
This addresses the cocci warning below:
WARNING: kzalloc should be used for d, instead of kmalloc/memset
Signed-off-by: Kang Minchul <tegongkang@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add IDs to usb_device_id table for WCN6855. IDs are extracted from Windows
driver of Lenovo Thinkpad T14 Gen 2(Driver version 1.0.0.1205 Windows 10)
Windows driver download address:
https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/
thinkpad-t-series-laptops/thinkpad-t14-gen-2-type-20xk-20xl/downloads
/driver-list/
Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
'err' is known to be <0 at this point.
So, some cases can not be reached because of a missing "-".
Add it.
Fixes: ca2045e059c3 ("Bluetooth: Add bt_status")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This adds CONFIG_BT_LE_L2CAP_ECRED which can be used to enable L2CAP
Enhanced Credit Flow Control Mode by default, previously it was only
possible to set it via module parameter (e.g. bluetooth.enable_ecred=1).
Since L2CAP ECRED mode is required by the likes of EATT which is
recommended for LE Audio this enables it by default.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-By: Tedd Ho-Jeong An <tedd.an@intel.com>
poll_sync has been proven to fix races of USB data and event endpoints
so this enables it by default.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
This adds CONFIG_BT_HCIBTUSB_POLL_SYNC which can be used to set the
default behavior of Bluetooth USB controller with respect to poll
synchronization of its endpoits.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
The current version of the configuration structure has unaligned
16-bit fields, but according to the specification [1], access to
the configuration space must be aligned.
Add a second, aligned version of the configuration structure
and a new feature bit indicating that this version is being used.
[1] https://docs.oasis-open.org/virtio/virtio/v1.1/virtio-v1.1.pdf
Signed-off-by: Igor Skalkin <Igor.Skalkin@opensynergy.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When validating the parameter length for MGMT_OP_ADD_EXT_ADV_PARAMS
command, use the correct op code in error status report:
was MGMT_OP_ADD_ADVERTISING, changed to MGMT_OP_ADD_EXT_ADV_PARAMS.
Fixes: 12410572833a2 ("Bluetooth: Break add adv into two mgmt commands")
Signed-off-by: Inga Stotland <inga.stotland@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
If hci_register_suspend_notifier() returns error, the hdev and rfkill
are leaked. We could disregard the error and print a warning message
instead to avoid leaks, as it just means we won't be handing suspend
requests.
Fixes: 9952d90ea288 ("Bluetooth: Handle PM_SUSPEND_PREPARE and PM_POST_SUSPEND")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Use kzalloc rather than duplicating its implementation, which makes code
simple and easy to understand.
./net/bluetooth/hci_conn.c:2038:6-13: WARNING: kzalloc should be used for cp, instead of kmalloc/memset.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2406
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Only assign hdev->wakeup if the serial port supports wakeup. Otherwise
it will fall back to the hci_uart_wakeup or the behavior that can be
overridden before calling the hci_uart_register_device().
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
For ISO BIS related functions in hci_conn.c, make dst_type values be HCI
address type values, not ISO socket address type values. This makes it
consistent with CIS functions.
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
For USB ALT 6 settings some Realtek chips need to transmit mSBC data
continuously without the zero length of USB packets.
In this commit, create BTUSB_ALT6_CONTINUOUS_TX to manage the behavior.
Therefore, create REALTEK_ALT6_CONTINUOUS_TX_CHIP to manage the specific
chip model for the behavior.
Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This patch adds a data structure for btrealtek object, and the
definition of vendor behavior flags. It also adds macros to set/test/get
the flags.
Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Device removal is clearly out of virtio spec: it attempts to remove
unused buffers from a VQ before invoking device reset. To fix, make
open/close NOPs and do all cleanup/setup in probe/remove.
NB: This is a hacky way to handle this - virtbt_{open,close} as NOP is
not really what a driver is supposed to be doing. These are transport
enable/disable callbacks from the BT core towards the driver. It maps to
a device being enabled/disabled by something like bluetoothd for
example. So if disabled, users expect that no resources/queues are in
use. It does work with all other transports like USB, SDIO, UART etc.
There should be no buffer used if the device is powered off. We also
don’t have any USB URBs in-flight if the transport is not active.
The way to implement a proper fix would be using vq reset if supported,
or even using a full device reset.
The cost of the hack is a single skb wasted on an unused bt device.
NB2: with this fix in place driver still suffers from a race condition
if an interrupt triggers while device is being reset. To fix, in the
virtbt_close() callback we should deactivate all interrupts. To be
fixed.
squashed fixup: bluetooth: virtio_bt: fix an error code in probe()
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220811080943.198245-1-mst@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Igor Skalkin <Igor.Skalkin@opensynergy.com>
If a command is already sent, we take care of freeing it, but we
also need to cancel the timeout as well.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
force_static_address shall be writable while hdev is initing but is not
considered powered yet since the static address is written only when
powered.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Brian Gix <brian.gix@intel.com>
This attempts to program the address stored in hdev->static_addr after
the init sequence has been complete:
@ MGMT Command: Set Static A.. (0x002b) plen 6
Address: C0:55:44:33:22:11 (Static)
@ MGMT Event: Command Complete (0x0001) plen 7
Set Static Address (0x002b) plen 4
Status: Success (0x00)
Current settings: 0x00008200
Low Energy
Static Address
@ MGMT Event: New Settings (0x0006) plen 4
Current settings: 0x00008200
Low Energy
Static Address
< HCI Command: LE Set Random.. (0x08|0x0005) plen 6
Address: C0:55:44:33:22:11 (Static)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Random Address (0x08|0x0005) ncmd 1
Status: Success (0x00)
@ MGMT Event: Command Complete (0x0001) plen 7
Set Powered (0x0005) plen 4
Status: Success (0x00)
Current settings: 0x00008201
Powered
Low Energy
Static Address
@ MGMT Event: New Settings (0x0006) plen 4
Current settings: 0x00008201
Powered
Low Energy
Static Address
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Brian Gix <brian.gix@intel.com>
The USB interface between the host and the bluetooth adapter used for
SCO packets uses an USB isochronous endpoint with a fragmentation scheme
that does not tolerate errors. Except USB isochronous transfers do
not provide a reliable stream with guaranteed delivery. (There is no
retry on error, see USB spec v2.0 5.6 and 8.5.5.)
To fragment a packet, the bluetooth HCI simply splits it in parts and
transfer them as-is. The receiver is expected to reconstruct the packet
by assuming the first fragment contains the header and parsing its size
field. There is no error detection either.
If a fragment is lost, the end result is that the kernel is no longer
synchronized and will pass malformed data to the upper layers, since it
has no way to tell if the first fragment is an actual first fragment or
a continuation fragment. Resynchronization can only happen by luck and
requires an unbounded amount of time.
The typical symptom for a HSP/HFP bluetooth headset is that the
microphone stops working and dmesg contains piles of rate-limited
"Bluetooth: hci0: SCO packet for unknown connection handle XXXX"
errors for an indeterminate amount of time, until the kernel accidentally
resynchronize.
A workaround is to ask the upper layer to prevalidate the first fragment
header. This is not possible with user channels so this workaround is
disabled in this case.
This problem is the most severe when using an ath3k adapter on an i.MX 6
board, where packet loss occur regularly, possibly because it is an USB1
device connected on an USB2 hub and this is a special case requiring
split transactions.
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
On cmd_timeout with no reset_gpio, reset the USB port as a last
resort.
This patch changes the behavior of btusb_intel_cmd_timeout and
btusb_rtl_cmd_timeout.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@google.com>
Reviewed-by: Ying Hsu <yinghsu@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
In case of suspend/resume and HCI_RESET (BT On and Off),
ISOC endpoint set to alt setting 0 when no SCO connection exists.
This patch shall avoid resetting of ISOC endpoint to alt setting to 0.
Signed-off-by: Chethan Tumkur Narayan <chethan.tumkur.narayan@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
for bare-metal enclaves and KVM guests to mitigate single-step
attacks
* Increase batching to speed up enclave release
* Replace kmap/kunmap_atomic() calls
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Merge tag 'x86_sgx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 sgx updates from Dave Hansen:
"The biggest deal in this series is support for a new hardware feature
that allows enclaves to detect and mitigate single-stepping attacks.
There's also a minor performance tweak and a little piece of the
kmap_atomic() -> kmap_local() transition.
Summary:
- Introduce a new SGX feature (Asynchrounous Exit Notification) for
bare-metal enclaves and KVM guests to mitigate single-step attacks
- Increase batching to speed up enclave release
- Replace kmap/kunmap_atomic() calls"
* tag 'x86_sgx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Replace kmap/kunmap_atomic() calls
KVM/VMX: Allow exposing EDECCSSA user leaf function to KVM guest
x86/sgx: Allow enclaves to use Asynchrounous Exit Notification
x86/sgx: Reduce delay and interference of enclave release
