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Boost the DDR bus for 200 ms when requested in order to improve jitter. Signed-off-by: Shashank Patil <[email protected]>
1) boeffla_wl_blocker: add generic wakelock blocker driver v1.0.0
* Based on ideas of FranciscoFranco's non-generic driver.
Sysfs node:
/sys/class/misc/boeffla_wakelock_blocker/wakelock_blocker
- list of wakelocks to be blocked, separated by semicolons
/sys/class/misc/boeffla_wakelock_blocker/debug
- write: 0/1 to switch off and on debug logging into dmesg
- read: get current driver internals
/sys/class/misc/boeffla_wakelock_blocker/version
- show driver version
2) boeffla_wl_blocker: update to wakelock blocker driver v1.0.1
* currently active wakelocks on the list are forcefully killed
3) boeffla_wl_blocker: update to wakelock blocker driver v1.1.0
There are now two lists:
* the previously existing list of user defined wakelocks to block
* a new list called "wakelock_blocker_default" which comes prepopulated with the most common
and safe wakelocks to block:
qcom_rx_wakelock;wlan;wlan_wow_wl;wlan_extscan_wl;netmgr_wl;NETLINK
A combination of both wakelock lists will be blocked finally.
4) boeffla_wl_blocker: boeffla_wl_blocker: checkpatch cleanup
Signed-off-by: Harsh Shandilya <[email protected]>
5) drivers: base: power: wakeup: Fix stack corruption in Boeffla WL blocker
6) boeffla_wl_blocker : update default list and lengths
Signed-off-by: andip71 <[email protected]>
Co-authored-by: Shashank Patil <[email protected]>
Signed-off-by: Shashank Patil <[email protected]>
Signed-off-by: Shashank Patil <[email protected]>
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[ Upstream commit f8bbc07ac535593139c875ffa19af924b1084540 ] vhost_worker will call tun call backs to receive packets. If too many illegal packets arrives, tun_do_read will keep dumping packet contents. When console is enabled, it will costs much more cpu time to dump packet and soft lockup will be detected. net_ratelimit mechanism can be used to limit the dumping rate. PID: 33036 TASK: ffff949da6f20000 CPU: 23 COMMAND: "vhost-32980" #0 [fffffe00003fce50] crash_nmi_callback at ffffffff89249253 #1 [fffffe00003fce58] nmi_handle at ffffffff89225fa3 #2 [fffffe00003fceb0] default_do_nmi at ffffffff8922642e #3 [fffffe00003fced0] do_nmi at ffffffff8922660d #4 [fffffe00003fcef0] end_repeat_nmi at ffffffff89c01663 [exception RIP: io_serial_in+20] RIP: ffffffff89792594 RSP: ffffa655314979e8 RFLAGS: 00000002 RAX: ffffffff89792500 RBX: ffffffff8af428a0 RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8af428a0 RBP: 0000000000002710 R8: 0000000000000004 R9: 000000000000000f R10: 0000000000000000 R11: ffffffff8acbf64f R12: 0000000000000020 R13: ffffffff8acbf698 R14: 0000000000000058 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #5 [ffffa655314979e8] io_serial_in at ffffffff89792594 #6 [ffffa655314979e8] wait_for_xmitr at ffffffff89793470 #7 [ffffa65531497a08] serial8250_console_putchar at ffffffff897934f6 #8 [ffffa65531497a20] uart_console_write at ffffffff8978b605 #9 [ffffa65531497a48] serial8250_console_write at ffffffff89796558 #10 [ffffa65531497ac8] console_unlock at ffffffff89316124 #11 [ffffa65531497b10] vprintk_emit at ffffffff89317c07 #12 [ffffa65531497b68] printk at ffffffff89318306 #13 [ffffa65531497bc8] print_hex_dump at ffffffff89650765 #14 [ffffa65531497ca8] tun_do_read at ffffffffc0b06c27 [tun] #15 [ffffa65531497d38] tun_recvmsg at ffffffffc0b06e34 [tun] #16 [ffffa65531497d68] handle_rx at ffffffffc0c5d682 [vhost_net] #17 [ffffa65531497ed0] vhost_worker at ffffffffc0c644dc [vhost] #18 [ffffa65531497f10] kthread at ffffffff892d2e72 #19 [ffffa65531497f50] ret_from_fork at ffffffff89c0022f Fixes: ef3db4a ("tun: avoid BUG, dump packet on GSO errors") Signed-off-by: Lei Chen <[email protected]> Reviewed-by: Willem de Bruijn <[email protected]> Acked-by: Jason Wang <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]> (cherry picked from commit 68459b8e3ee554ce71878af9eb69659b9462c588) Signed-off-by: Vegard Nossum <[email protected]>
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