The First Git Pull Request Submitted For Linux 3.15
Linus Torvalds has yet to officially release the Linux 3.14 kernel but already the first Git pull request has already been sent in for the next kernel version.
When releasing the 3.14-rc7 kernel last week, Torvalds anticipated Linux 3.14 might be coming next. It's now been seven days so we should be seeing soon either the final Linux 3.14 release or a 3.14-rc8 candidate if Linus is unhappy with the current state of affairs. The Linux 3.14 kernel has many exciting changes/features, but of course we're already excited to start investigating the Linux 3.15 kernel.
While Linux 3.14 hasn't yet been released and thus the 3.15 merge window not yet open, the first Git pull request for 3.15 has already been sent in to Linus Torvalds on the kernel mailing list. The pull request was sent in by Rafael Wysocki of Intel for the ACPI/PM updates. Coincidentally, just this past weekend I covered these changes when they were still in their pre-pull state when I noted Linux 3.15 should suspend and resume much faster.
Rafael Wysocki confirmed the faster suspend and resume times in his pull request that was sent in on late Sunday night, "all of the device suspend and resume callbacks, except for prepare() and complete(), are now going to be executed asynchronously as that turns out to speed up system suspend and resume on some platforms quite significantly and we have a few more optimizations in that area." Additionally he noted the PM QoS extension for latency tolerance requirements, many ACPI and CPUfreq updates, Windows 2013 compatibility is advertised now via ACPICA to workaround some issues, and there's various other changes.
Wysocki sent in the pull request already since he will be traveling all week, "I'll be travelling during the whole next week, so just in case you release the final 3.14 before I'm back home, please consider pulling." This week in Napa Valley, California is the 2014 Linux Foundation Collaboration Summit. With this event being attended by many key Linux kernel developers, it will be interesting to see if Linus decides to delay the release of Linux 3.14 or just delay/extend the Linux 3.15 kernel merge window to workaround many other kernel subsystem maintainers that will be off in the vineyards and session rooms this week.
As with many of the past years, I'll be at the Linux Foundation Collaboration Summit too, so stay tuned for Phoronix coverage of the most interesting talks and events. Some of the interesting LFCS talks were already covered in a Phoronix article last week.
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