Linus is reminding people that the #LinuxKernel configuration should "NOT ASK PEOPLE STUIPID THINGS" and is "the most visible interface to NORMAL USERS that we want to encourage to build their own kernels so that they can participate in #kernel development":
https://lore.kernel.org/all/CAHk-%3Dwhigg3hvOy7c1j1MXFy6o6CHp0g4Tc3Y-MAk%[email protected]/
@kernellogger > We already have a sysctl for it, and you should *already* be able to
> use a boot parameter for it with just
> sysctl.kernel.panic_on_rcu_stall=true
You're welcome, Linus!
Hm I wonder when was the last time I actually used this myself lol.
@vbabka 99% of all RCU stalls I see in production are caused by VMware CPU overcommitment, and a panic doesn't really help there.
Thorsten Leemhuis (acct. 1/4)
Vlastimil Babka 🇨🇿🇪🇺🇺🇦
Oleksandr Natalenko, MSE 