Re: [Qemu-devel] [PATCH] ppc: Avoid decrementer related kvm exits

2011-10-20 Thread Alexander Graf
On 16.10.2011, at 22:26, David Gibson wrote: > In __cpu_ppc_store_decr(), we set up a regular timer used to trigger > decrementer interrupts. This is necessary to implement the decrementer > properly under TCG, but is unnecessary under KVM (true for both Book3S-PR > and Book3S-HV KVM variants),

[Qemu-devel] [PATCH] ppc: Avoid decrementer related kvm exits

2011-10-16 Thread David Gibson
In __cpu_ppc_store_decr(), we set up a regular timer used to trigger decrementer interrupts. This is necessary to implement the decrementer properly under TCG, but is unnecessary under KVM (true for both Book3S-PR and Book3S-HV KVM variants), because the kernel handles generating and delivering de

[Qemu-devel] [PATCH] ppc: Avoid decrementer related kvm exits

2011-10-16 Thread David Gibson
In __cpu_ppc_store_decr(), we set up a regular timer used to trigger decrementer interrupts. This is necessary to implement the decrementer properly under TCG, but is unnecessary under KVM (true for both Book3S-PR and Book3S-HV KVM variants), because the kernel handles generating and delivering de