5.11 Merge window, part 1

Posted Dec 22, 2020 0:28 UTC (Tue) by zx2c4 (subscriber, #82519)
Parent article: 5.11 Merge window, part 1

> There is a new system-call interception mechanism, based on prctl(), that allows user space to trap and emulate system calls. The target use case is running Windows games, but other applications seem likely as well.

I know about the WINE use case. Does anybody know what other projects are considering or planning on using this new mechanism? Any unexpected creative uses pop up yet?

5.11 Merge window, part 1

Posted Dec 22, 2020 1:50 UTC (Tue) by mathstuf (subscriber, #69389) [Link]

I think rr was interested in it. https://lwn.net/Articles/824525/

There may have been other mentions in that article's comments, but they don't stand out in my memory.

5.11 Merge window, part 1

Posted Dec 22, 2020 7:58 UTC (Tue) by johill (subscriber, #25196) [Link]

I was briefly looking into it for Linux itself (ARCH=um), but this doesn't actually help anything for that case.