Question

Identical C code using identical user-space bluetooth library works fine on one Ubuntu 22.04 laptop and fails on another

score 64 · Answer 1 · 2024-03-19T15:35:21.170000

64

Views

Identical C code using identical user-space bluetooth library works fine on one Ubuntu 22.04 laptop and fails on another

Published on 19 March 2024 at 15:35

score 29 · Answer 2 · 2024-03-11T02:58:14.797000

29

Views

How do I use RDMA in the kernel so that I can communicate with user-space RDMA?

Published on 11 March 2024 at 02:58

score 90 · Answer 3 · 2024-02-16T22:26:04.660000

90

Views

fgets that doesn't stop at spaces or linebreaks

Published on 16 February 2024 at 22:26

score 89 · Answer 4 · 2024-02-07T18:54:05.980000

89

Views

How to implement syscall in XV6

Published on 07 February 2024 at 18:54

score 125 · Answer 5 · 2023-10-19T14:40:56.157000

125

Views

Non-root access to a wifi adapter via ioctl in Linux app - how to grant?

Published on 19 October 2023 at 14:40

score 364 · Answer 6 · 2023-09-08T21:19:35.657000

364

Views

Using I2C or SPI device via Linux Userspace I/O driver?

Published on 08 September 2023 at 21:19

score 232 · Answer 7 · 2023-05-28T02:37:49.610000

232

Views

I2C device drivers in userspace : mutex on ioctl and smbus address

Published on 28 May 2023 at 02:37

score 77 · Answer 8 · 2023-04-14T02:46:04.013000

77

Views

Userspace use Generic Netlink Library pass NLA_NESTED data to kernel error

Published on 14 April 2023 at 02:46

score 65 · Answer 9 · 2023-04-04T06:23:37.883000

65

Views

How to detect if `struct page` is backed by a file on a filesystem in Linux?

Published on 04 April 2023 at 06:23

score 412 · Answer 10 · 2022-12-05T08:04:28.837000

412

Views

AES-GCM with the Kernel Crypto API from Userspace

Published on 05 December 2022 at 08:04

score 351 · Answer 11 · 2022-11-08T11:49:08.560000

351

Views

how pass data from kernel space to user space - copy_to_user()

Published on 08 November 2022 at 11:49

score 158 · Answer 12 · 2022-09-13T20:29:36.667000

158

Views

How to send data from kernel to userspace through signals (send_sig_info)?

Published on 13 September 2022 at 20:29

score 137 · Answer 13 · 2022-08-05T19:17:33.120000

137

Views

UDP packet re-ordering in linux

Published on 05 August 2022 at 19:17

score 551 · Answer 14 · 2022-07-27T19:14:09.960000

551

Views

enable Dpdk application talk to Linux process

Published on 27 July 2022 at 19:14

score 650 · Answer 15 · 2022-07-23T16:53:44.847000

650

Views

kubernetes kube proxy mode(which one IPVS,iptables or userspace)

Published on 23 July 2022 at 16:53

score 438 · Answer 16 · 2022-07-12T14:07:49.240000

438

Views

What prevents from copy_to_user to succeed on kmap'ed pages from a non-current task?

Published on 12 July 2022 at 14:07

score 245 · Answer 17 · 2022-04-10T17:17:03.077000

245

Views

QEMU Reboots on sysret

Published on 10 April 2022 at 17:17

score 208 · Answer 18 · 2022-03-28T23:12:32.613000

208

Views

Do any operating systems utilize user threads only?

Published on 28 March 2022 at 23:12

score 356 · Answer 19 · 2021-10-23T04:56:03.850000

356

Views

Read From A Device in Kernel Module

Published on 23 October 2021 at 04:56

score 812 · Answer 20 · 2021-10-02T20:40:24.770000

812

Views

Read a word (2 byte) without providing a register address from userspace

Published on 02 October 2021 at 20:40

List Question

Identical C code using identical user-space bluetooth library works fine on one Ubuntu 22.04 laptop and fails on another

How do I use RDMA in the kernel so that I can communicate with user-space RDMA?

fgets that doesn't stop at spaces or linebreaks

How to implement syscall in XV6

Non-root access to a wifi adapter via ioctl in Linux app - how to grant?

Using I2C or SPI device via Linux Userspace I/O driver?

I2C device drivers in userspace : mutex on ioctl and smbus address

Userspace use Generic Netlink Library pass NLA_NESTED data to kernel error

How to detect if `struct page` is backed by a file on a filesystem in Linux?

AES-GCM with the Kernel Crypto API from Userspace

how pass data from kernel space to user space - copy_to_user()

How to send data from kernel to userspace through signals (send_sig_info)?

UDP packet re-ordering in linux

enable Dpdk application talk to Linux process

kubernetes kube proxy mode(which one IPVS,iptables or userspace)

What prevents from copy_to_user to succeed on kmap'ed pages from a non-current task?

QEMU Reboots on sysret

Do any operating systems utilize user threads only?

Read From A Device in Kernel Module

Read a word (2 byte) without providing a register address from userspace

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