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Valentin Schneider

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CPU Isolation and IPI interferenceLinux Plumbers Conference 20252025-12-11
CPU isolation fails because housekeeping CPUs still send IPIs for things like static key updates and TLB invalidations; observed with a kernel compile plus…
Talk
CPU isolation vs jailbreaking IPIsLinux Plumbers Conference 20222022-09-12
Tracing shows isolated CPUs still receive disruptive IPIs caused by a few concrete kernel behaviors: a rapidly flipping static key from ntpd socket…
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