Re: Rust in the OS?

2024-03-16 Thread Gregory Nutt
On 3/15/2024 11:10 PM, Saurav Pal wrote: All in all, I am *against* Rust being introduced in the kernel. However, I am fine with the language being in the very leaf nodes. Like some drivers, userspace applications, or userspace filesystems (FUSE)... especially those that only interact with the ke

GhostRace (CVE-2024-2193) is a variation of Spectre v1 (CVE-2017-5753)

2024-03-16 Thread Tomek CEDRO
https://thehackernews.com/2024/03/ghostrace-new-data-leak-vulnerability.html Is NuttX affected too? -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info

Touchscreen calibration

2024-03-16 Thread Tim Hardisty
My board uses built-in SAMA5 TSD peripheral to interface with a resistive touchscreen on a 5" TFT. Early on I implemented (and had merged) an ioctl to allow the low level driver to scale the x/y data to match the display resolution but I am now finding it actually needs a multipoint calibration

Re: Access GPIO pins over Lua

2024-03-16 Thread Jernej Turnsek
Hi, with Luajit, one could use FFI to access NuttX GPIO functions directly. But I am afraid that Luajit is currently available only for CM7. On the other hand, one can write standard Lua extension in C and use it with plain Lua to access GPIOs. There are numerous examples of how to do it on intern