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(parent: f144c49) | patch
kvm: x86: Require const tsc for RT
authorThomas Gleixner <tglx@linutronix.de>
Sun, 6 Nov 2011 11:26:18 +0000 (12:26 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 21 Mar 2022 13:28:40 +0000 (09:28 -0400)
commit5e17b2ee45b941fb7bc46107810d727088be392e
tree7c1685099193fd7db854fbf5fb4eb4c31f64cf20tree | snapshot
parentf144c49e8c3950add1b051e76ebf40a258984c9dcommit | diff
kvm: x86: Require const tsc for RT

Non constant TSC is a nightmare on bare metal already, but with
virtualization it becomes a complete disaster because the workarounds
are horrible latency wise. That's also a preliminary for running RT in
a guest on top of a RT host.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Message-Id: <Yh5eJSG19S2sjZfy@linutronix.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
Domain: System / Kernel;