Conversation
rostedt

Steven Rostedt

THIS IS IT!!!

The last hurdle for PREEMPT_RT being merged into mainline has just removed by this pull request. Leaving the door open for PREEMPT_RT to be added to 6.12!

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nakeee@mastodon.world

nakeee

Reply to

@wagi @rostedt congrats to all — quite a trip!

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cas@social.treehouse.systems

caleb 🌈

Reply to @rostedt

@rostedt woo!

do the printk patches also affect non-rt kernels? i remember seeing some buffering solution or something in the past (and hey i wouldn't complain about faster boot times with 115200 baud - as long as it doesn't drop log messages on crash)

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rostedt

Steven Rostedt

Reply to @cas@social.treehouse.systems
@cas

Yes it does affect non-RT kernels. Like all other RT features added to upstream, it improves vanilla Linux. The graphics developers wanted this change. It will allow for things like a blue screen of death where you can see an oops from a graphical interface.
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pavel

Pavel Machek

Reply to @rostedt
@rostedt @cas It should be said that printk() now behaves differently. Previously you could cli(); printk(); while(1); and message would go out. Now you need to panic() or some kernel parameter, IIRC.
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