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Linux 6.19 To Optimize Exiting To User-Space For Restartable Sequences (www.phoronix.com)

submitted 23 hours ago by cm0002@lemmy.zip to c/linux@programming.dev

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Queued up in a TIP branch ahead of the Linux 6.19 merge window opening in about one month's time is optimizing the Restartable Sequences "RSEQ" code for its exit to user-space code path.

Intel Fellow Thomas Gleixner of Linutronix worked on a set of patches recently for optimizing the exit to user-space path for Restartable Sequences, the functionality for efficient access and manipulation of per-CPU data structures by user-space.

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[–] lordnikon@lemmy.world 4 points 19 hours ago

Basically performance boost to make it more in line with how libc works now.